Improv Companies

One of Poland founding improv groups, established in Krakow in 2008. Performs at Krakowski Teatr Variete and organises the annual ImproFest festival. Facebook-primary presence.

Malaysia's longest-running improv troupe, founded in 2007. AIIA (Artificially Intelligent Improvaholics Anonymous) performs regularly at Crackhouse Comedy Club and arts festivals in Kuala Lumpur, with current members drawn from the Malaysian screen and stage industry.

The Academy of Improvisation (AOI) is Sydney's long-form improv school offering Australia's most comprehensive improv curriculum, teaching the Chicago method across eleven course levels from beginner to advanced.

Columbia's leading improv theater company and school, based in Medellín.

The Athens branch of Act Attack, an international acting and improv school, offering English-language multi-level courses for adults and occasional student showcase performances.

The Barcelona branch of Act Attack, an international acting and improv school offering English-language beginner and intermediate acting and improv courses with native English-speaking teachers and graduation showcases.

Franchise improv and acting school offering classes, shows, and corporate workshops in Dubai.

The Lisbon branch of Act Attack, an international acting and improv school founded in Amsterdam in 2017, offering English-language beginner and intermediate courses and graduation showcases.

The Madrid branch of Act Attack, an international acting and improv school founded in Amsterdam in 2017, offering beginner and intermediate acting and improv courses entirely in English with native English-speaking teachers.

Beirut-based improv company founded in 2019, known for 400+ shows and expanding the art form across the Arab world.

Greenville's home for weekly improv, stand-up, and sketch comedy since 2011, housed in the basement theater of Coffee Underground, with shows Thursday–Saturday and a full leveled improv class curriculum.

İzmit improv and comedy company founded 2010, known for their long-running 'Komedya' show series (340+ performances). Operates own venue at İnönü Cad. 84, İzmit.

Founded in 2020, American Improv is Austria's first English-language improv theatre and school, running a structured four-level Chicago-style curriculum and Vienna's only weekly improv comedy show every Monday at Café Aera.

Çanakkale improv company founded 2011, focusing on audience interaction, perception, and imagination. Active for several years with local press coverage; activity after 2015 is unconfirmed.

Antalya-based improv performing company and training centre, located in Kepez district. Offers improv shows and classes; active through 2026.

Mississippi's dedicated improv comedy school and performance company, founded in New Orleans in 2018 and operating in Oxford since 2022, offering multi-level long-form improv classes and showcase shows.

Formed in 2020 through the merger of Artju and Roma Improv, Artyou Roma is a Rome social promotion association offering theatrical improvisation courses, text theatre, and stand-up comedy, with international festival participation.

Founded in 2008, B-Teatro is a Turin-based improv and acting school offering theatrical improvisation courses, corporate training, and team-building programmes, as well as entertainment shows for events.

Bay Area Theatresports, founded in 1986 at Fort Mason Center in San Francisco. BATS is one of the longest-running Theatresports companies in the United States and a licensee of Keith Johnstone's format. The company produces Theatresports matches, long-form shows, and improv training.

Omaha's dedicated long-form improv training center and performance venue in the Old Market area, offering a 5-level class curriculum and weekly shows.

Originally founded as Theatresports Toronto in 1982, the company was rebranded as Bad Dog Theatre Company on May 1, 2003 by Kerry Griffin, Marcel St. Pierre, and Ralph MacLeod. Bad Dog operates as a registered charity and has performed at various Toronto venues including a dedicated space on Bloor Street West that won Best Small Theatre and Best Comedy Club awards. The company currently operates an education centre on Spadina Avenue.

Baltimore Improv Group (BIG) is Baltimore's largest nonprofit improv comedy venue, opened in 2017 at 1727 N. Charles Street in the Station North Arts District, offering regular shows and classes for all ages.

Ho Chi Minh City-based English-language improv troupe performing both long-form and short-form improv.

Bandit Improv Comedy Theater is a Seattle improv theater teaching game-based long-form formats including Armondo, La Ronde, and Deconstruction, with classes and regular performances.

Kütahya's first improv theatre group ("Kütahya'nın ilk doğaçlama tiyatro ekibi"), founded May 2014 with 8 performers. Contact: batuhantutuk43@hotmail.com.

The premier English-language improv company in Barcelona, offering shows and training since 2011.

BaseJump Improv is a Wellington improv and sketch comedy school and performance company teaching in the style of Chicago and US improv traditions, offering 8-session courses and live shows.

Kenya's premier improv comedy group, known for their large-scale interactive shows in Nairobi.

Beijing-based all-women improv ensemble performing a hybrid of short-form improv and playback theatre. Founded around 2015, the group donates all proceeds to Educating Girls in Rural China (EGRC) and has an international membership drawn from the US, Canada, Argentina, Estonia, the UK, Spain, and China.

Founded in 2007, Beijing Improv is mainland China's oldest improvisation theatre group. The all-volunteer, non-profit organization produces English-language and bilingual Chinese-English improv shows, workshops, and performances. Co-founded by Lottie Dowling and Jonathan Palley, the group has been central to building Beijing's improv community and donates all proceeds to community NGOs.

Belfast's dedicated improv training centre and performance group, founded and led by Creative Director Paul Mone. Offers weekly shows at Accidental Theatre and The Pavilion Bar, and classes for all experience levels including long-form improv.

Omaha's nonprofit family-friendly short-form improv group performing weekly at the Blackstone Theater, also offering classes and private events.

A 75-seat creative incubator and improv comedy theater in the Bywater neighborhood, founded in 2020, producing improv, stand-up, sketch, and comedy shows with weekly shows and improv classes.

Big Fork Theatre is Brisbane's dedicated home of improv, sketch, and stand-up comedy, hosting shows four nights a week and offering improv classes and community jams at their Fortitude Valley venue.

Birmingham's primary improv organisation, offering workshops, courses, drop-in sessions, and jams for all experience levels, and promoting performances by local and visiting improv companies.

Blah Blah Blah Improv is the Gold Coast's premier improv comedy company, teaching and performing theatresports and long-form improvised comedy at their Coolangatta venue.

A female-led long-form improv theatre and school in London, offering fundamentals courses, scene work training, house teams, and a weekly Thursday jam open to all levels.

A Las Vegas improv team offering 12+ years of shows and a class curriculum from Improv 101 through advanced levels plus sketch comedy writing, now based in the Arts District.

An established English-language theatre company in Prague known for original improv comedy shows and acting classes. BLR Theatre performs in central Prague venues and has become a key part of the city's English-speaking comedy scene.

Founded in 1993 by Andrew Moskos and Pep Rosenfeld, two Americans who brought Chicago-style improvisation to Amsterdam. Boom Chicago performs in English and has become one of Europe's premier comedy institutions. Notable alumni include Seth Meyers, Jason Sudeikis, Jordan Peele, Amber Ruffin, and Kay Cannon. The theatre combines improv, sketch, and interactive comedy in a dinner-theater format.

A dedicated comedy theater and school in Baton Rouge, founded in 2022, offering improv and stand-up shows, weekly open mics, and classes for all experience levels.

Founded by Dudley Riggs in 1958, the Brave New Workshop is the oldest continuously operating satirical comedy theatre in the United States. Riggs, a former circus performer, created what he called 'instant theater' — audience-interactive improvised comedy — predating even The Second City's founding by a year. The theatre continues to produce satirical revues combining improvisation and sketch comedy.

A charity-run improv theatre and school founded in 2012, based at 50 St Paul's Rd, Clifton. Offers shows, courses, and drop-in sessions, and describes itself as the UK's first full-time dedicated improv theatre.

Brunei's improv comedy company, running weekly Sunday improv classes and shows at Terkidding's by BruHaHa (Madang Cove). Organised FestiLOL, Brunei's first comedy festival, in 2024.

Buffalo Comedy Collective is a performing and teaching improv company founded in 2022 that operates the ComedySportz Buffalo franchise alongside original long-form improv programming.

Buffalo Improv House is the premier long-form improv comedy and training company in Western New York, offering classes, shows, and corporate workshops.

CATCh (Comedy and Theater Company) is a full-service improv comedy theater in Charlotte with a multi-level curriculum spanning intro through advanced classes and frequent public improv shows.

CIC Theater is a 501(c)(3) non-profit improv and comedy theater in Chicago, founded in 2003, presenting improv, sketch, and theatrical shows at their venue on N Western Ave.

Cardiff's primary improv comedy school and performance group, offering weekend intensives and regular improv nights at Chapter Arts Centre. Focuses on scenic improv and comedy performance.

Myrtle Beach's premier improv comedy theater and school since 2008, offering unscripted shows and a full training program including the Improvised Intelligence business curriculum.

Mexico City's first school dedicated to theatrical comedy, offering courses in improvisation, stand-up, clown, and cabaret. Located in the San Pedro de los Pinos neighbourhood.

A Lexington-based improv troupe and nonprofit founded in 2016, performing monthly in the Bluegrass region and offering improv classes.

Chaos Bloom Theater is Denver's top-rated long-form improv comedy organization in the Baker neighborhood, offering improv and sketch classes, shows, and a welcoming performer community.

An improvisational comedy troupe founded during the COVID-19 pandemic in 2020, producing ensemble improv shows at multiple Birmingham venues and offering leveled classes.

Charlotte Comedy Theater is Charlotte's original improv theater and training center offering live comedy shows and a multi-level curriculum rooted in Chicago's top improv tradition.

Founded in Chicago in 1977 by a group of performers who had studied under Del Close at The Second City. The company relocated to New York City in 1979 and became the city's longest-running comedy revue. The format combines short-form, long-form, and musical improv with sketch and song parody.

A Curitiba improv theatre company founded in 2015 by Laurihetty Junior, specialising in theatrical improvisation. The company creates its own shows and workshops for public and corporate audiences and has been recognised as Brazilian Improvisation Champions.

A pioneer theatrical improvisation comedy company in Bahia, founded around 2015 and performing across Salvador and Feira de Santana. Their signature show "Na Base do Improviso" features nine actor-improvisers working from audience suggestions using TheatreSports methodology derived from Keith Johnstone and Viola Spolin.

A Brasilia-based comedic improv company founded in 2005, specialising in the theatresports format under the banner of their signature show "Missao Improviso" — audiences supply impossible challenges for the actors to fulfil in real time without a script. One of the most recognised comedy companies in the Federal District, having performed in twelve state capitals across Brazil.

Pioneer improv comedy group in Ceara, active since 2009. Presents audience-suggested shows at Teatro Via Sul and other Fortaleza venues.

An improv comedy company based in Itajai, Santa Catarina, founded in 2014, specialising in theatrical improvisation shows and workshops for public and corporate audiences. The company also organises the Encontro de Improviso improv festival, now in its 5th edition.

A Rio de Janeiro theatre company and school based in Botafogo that has hosted the Festival Carioca de Improv since 2005, making it one of the longest-running improv festivals in Brazil. The company also offers dedicated improv courses and has performed at the Chicago Improv Festival.

The leading theatrical improvisation company and training school in northeast Brazil, based in Salvador, Bahia. In 2023 they opened Casa Improviso (Rua Agnelo de Brito 36, Federacao, Salvador), a dedicated venue offering regular courses in improvisation, clown, singing, scenography, and costume design, alongside national and international residencies.

A pioneering Sao Paulo improv and clown theatre company founded in 2002 by Cesar Gouvea, known for Jogando no Quintal, an improvised clown battle show that has been seen by over 300,000 people and is one of the longest-running improv shows in Brazil.

A Wilmington theater company with an embedded improv division (Fearless Improv) offering monthly shows at The Delaware Contemporary and improv classes for adults and students.

Founded in 2018 by Tara Brodin and Joanne Willmott, Close Encounters Theatre is an English-speaking performing arts school and theatre in Zurich offering improv, acting, and musical theatre, and hosting the annual Zurich Improv Comedy Festival.

Brazil's most famous improv trio, known for their massive YouTube following and live shows 'Improvável'.

Coalition Theater (RVA Comedy) is Richmond, Virginia's dedicated improv, stand-up, and sketch comedy theater offering regular live shows and multi-level training classes.

Coast Improv is a Sunshine Coast improvisational comedy company offering live shows at Heritage Playhouse and improv classes from introductory workshops to multi-week courses.

ColdTowne Theater is an Austin improv theater and training center that grew out of the city’s alternative comedy scene and established its own venue in 2006.

A Santiago-based improv theatre company and school founded in 2004 by Monica Moya and Sergio Dominguez, considered one of the pioneering groups of theatrical improvisation in Chile. The company uses Keith Johnstone methodology and has toured internationally in Argentina, Mexico, Brazil, Peru, Colombia, Germany and Canada.

Theatrical improvisation collective performing public shows in Fort-de-France, including a November 2024 show and 'Le Monopoly du Love' in March 2026 at Teyat Otonom Mawon.

Berlin's first international alternative comedy stage, school and bar, located at Roseggerstr. 17, 12059 Berlin. Runs a 70-seat soundproof theatre with shows in English and German, and a training school offering improv and sketch comedy courses at all levels.

Des Moines's longest-running improv comedy ensemble, in its 22nd year, performing Chicago-style long-form improv at Des Moines Performing Arts venues.

Phnom Penh-based comedy company founded 2011, known for their weekly 'Stand Up: Unscripted' format featuring audience suggestions and improvisation. Active through 2025.

Long-running competitive improv comedy theater in downtown Provo, formerly ComedySportz Utah, offering weekly shows in a family-friendly format since 1999.

A franchise network of competitive short-form improv theatres founded by Dick Chudnow in Milwaukee, Wisconsin. The format is based on Keith Johnstone's Theatresports and features a referee, team competition, and a family-friendly environment. ComedySportz has expanded to dozens of cities across the United States and internationally.

The Chicago franchise of the ComedySportz network, a competitive short-form improv format based on Keith Johnstone's Theatresports. The national ComedySportz organization was founded by Dick Chudnow in Milwaukee in 1984. The Chicago franchise opened in 1987 and is one of the longest-running improv shows in the city.

ComedySportz Indianapolis is a dedicated improv comedy theater at 3808 Shelby Street presenting audience-driven competitive improv shows and offering five-session-per-year improv classes.

Las Vegas home of the ComedySportz competitive improv format, offering weekly family-friendly improv shows and multi-level improv classes for all ages.

The North West's longest-running competitive improv company, affiliated with CSz Worldwide. Runs Foundation Improv courses, summer intensives, and performs the ComedySportz format alongside original shows. Over 20 years of operation.

ComedySportz Milwaukee is the founding home of the ComedySportz format, established in Milwaukee in 1984 and celebrating 40 years at 420 S. 1st Street with ongoing shows, classes, and the annual ComedySportz World Championship.

ComedySportz Philadelphia (CSz Philadelphia) has been presenting improv comedy for over 25 years, offering shows for all ages and running the Philadelphia School of Improv with multi-level classes.

ComedySportz Richmond Theater has been bringing live improv comedy shows and arts education to Richmond, Virginia for over 25 years, offering family-friendly shows and structured improv classes.

ComedySportz San Jose is Silicon Valley's longest-running improv comedy show, presenting audience-interactive competitions since 1987 alongside classes and corporate programs.

St. Louis franchise of the ComedySportz competitive improv comedy format, offering shows and improv training.

A theatre school and production company in Porto Alegre offering courses in interpretation, improvisation, and actor performance, and producing original theatrical shows. Founded in partnership with Casa de Espetaculos in Moinhos de Vento, Porto Alegre.

Founded in 2010 by Yungaro Santalla, the first company in Bolivia to present theatrical improvisation performances. Their production Atemporal has toured Bolivia. Facebook-primary presence.

St. Louis nonprofit improv company dedicated to fostering community through improvisational theater performance and education.

The St. Louis outpost of the original Compass Players, operating at the Crystal Palace nightclub in 1957–1958. Directed by Theodore J. Flicker, with Mike Nichols, Elaine May, and Del Close as company members. Del Close began developing his comedy philosophy here, and the friction between Flicker's character-sketch approach and David Shepherd's politically engaged vision contributed to the company's collapse — the same tension that had driven the original Chicago run. A historically distinct entity from the Chicago Compass Players.

One of Mexico's most influential improv companies and schools, specializing in long-form and dramatic improv.

A 501(c)3 nonprofit theater founded in 2005 that produces scripted and improvised work, including Improv 101 classes and the annual Ocean State Improv Festival.

An annual theatrical improvisation tournament held at Teatro Tajamar in Mendoza, featuring approximately ten teams and forty improvisers competing in unscripted scenes drawn from audience prompts. Self-described as "el torneo mas picante de la Argentina."

Founded in 2001, Covert Theatre is Auckland's dedicated improvisation company, producing shows and training in New Zealand's largest city.

Crossroads Comedy Theater Indianapolis is a dedicated comedy and improv theater and school at 525 S Meridian Street offering classes in improv, sketch writing, and stand-up for all levels.

Active improv ensemble in Tucuman performing audience-suggestion improvised shows. 2800+ Instagram followers; covered by La Gaceta and El Tucumano.

Curious Comedy Theater is a Portland nonprofit comedy theater and training center founded by Stacey Hallal in 2008.

Founded in 2004 by Zach Ward in Chapel Hill, North Carolina. DSI (formerly the Duke Street Improv) produces improv comedy and hosts training programs. Ward is a performer and teacher who has been influential in building the improv scene in the Research Triangle area.

Mobile's resident improv comedy troupe — four experienced improvisers creating unscripted one-act comedic plays from audience suggestions, performing at venues including Chickasaw Civic Theater.

Founded in 1995, Dad's Garage is Atlanta's premier improvisational and experimental theatre company. The theatre produces long-form improvisation, sketch comedy, and original theatrical productions. It relocated to the Old Fourth Ward neighborhood in 2012 and has become a cornerstone of the Atlanta comedy scene.

Dallas Comedy Club is a multi-use improv, sketch, stand-up, and storytelling venue and training center in Deep Ellum, Dallas, offering regular shows and youth programming.

Norway's leading improv theater and school, hosting national and international performances.

Founded in 2022 by performers trained at The Second City Chicago and the International College of Musical Theatre London, Dice Theater is a Gothenburg improv and musical theatre company offering shows several times a week and structured classes.

Founded in 1997, Die Gorillas is one of Berlin's longest-running and most prominent improvisation ensembles. The group performs long-form improvised plays in German and has been influential in developing the German-language improv scene.

Hamburg professional improv network offering shows at die Motte and Goldbekhaus, an Improschule with structured courses, and corporate training. Active for over 25 years.

A live improvised soap opera running weekly in Edmonton since 1991. Patti Stiles was a founding member. The show features a serialized narrative performed entirely through improvisation, with performers maintaining characters across episodes. Notable alumni include Mark Meer and Nathan Fillion.

Founded in 2021 by Irish performer Melissa Dalton, Dig Deep Improv is Luxembourg City's English-language improv theatre company offering shows, courses, corporate workshops, and jam nights.

Ankara-based short-form improv company (theatresports) founded February 2015, formed from alumni of Tümden Uydurmalar. Performs regularly at Route Ankara Sahnesi (Selanik Street); confirmed ticketed show June 2025.

Opened in May 2015 as DC's first brick-and-mortar space dedicated to improv and sketch comedy, originally at 3503 Georgia Ave NW. Dojo Comedy offers a five-level improv curriculum alongside sketch comedy classes and regular weekend performances.

Shenzhen-based English-language long-form improv group founded in 2018, creating one-act-play-style shows from a single audience suggestion. The group incorporates live musical performances from local songwriters into its format.

Istanbul improv company founded 2005 with over 1,000 stage and screen shows. Performs original long-form formats and provides corporate improv training to 100+ companies.

Dubai's foundational multi-genre comedy school and performance company, founded 2008 by Mina Liccione and Ali Al Sayed. Offers ongoing improv courses (including Improv Jam) and weekly public comedy shows at Social Distrikt.

Dynamic El Dorado is Atlanta's comedy incubator for improv, clown, stand-up, and sketch comedy, offering classes every weekday and performances every weekend.

Mexico City improv school described as the first institution in Mexico dedicated to teaching and researching theatrical improvisation technique.

Eskişehir short-form improv comedy company founded 2018, performing approximately twice monthly at ArtCorner Sahne. Confirmed ticketed show March 2025.

An improv theatre school in Buenos Aires with locations in Palermo (Niceto Vega 4802) and Villa Crespo (Malabia 852), offering classes at all levels as well as corporate workshops and public jams.

English-language improv workshop and performance organisation founded by Dutch drama teacher Albert Schimmel, operating in Düsseldorf and Cologne. Runs weekly classes, weekend workshops, open improv stages, and corporate workshops throughout Germany.

Founded in 2005, easylaughs is one of Amsterdam's longest-running English-language improv groups, offering weekly shows, regular improv and stand-up comedy courses, and drop-in workshops at CREA (University of Amsterdam).

FIG (Formosa Improv Group, 福爾摩沙即興組合) is Taiwan's first fully bilingual improv team, founded in 2018 in Taipei. They perform monthly shows and run weekly bilingual improv workshops.

Ecuador's first and longest-running theatrical improvisation company, founded in 2003 by Hugo Avilés and Ruth Coello after seeing an improvisation match by LPI (Liga Profesional de Improvisacion) in Buenos Aires. Fantoche organised the first-ever improvisation match in Ecuador in August 2003, and in 2010 opened Casa Fantoche, a dedicated 25-seat micro-theatre space at Rocafuerte 264 y Loja in central Guayaquil offering regular improv shows and training workshops.

A Birmingham improv comedy arts space founded by the Gladys long-form improv group, offering improv shows and a leveled class curriculum from Intro to Advanced.

San Diego's dedicated longform improv training center and performance venue, founded September 2012 by Amy Lisewski. Opened first physical theater at the Lafayette Hotel (North Park) in Fall 2013; relocated to Hillcrest in December 2018. Offers weekly performances and a multi-level class program.

A non-profit English-language improv association founded in 2015 in Tampere, offering classes and workshops for all levels, live performances, and the annual Tampere Improv Festival.

A dedicated improv theater and school in Wichita offering weekly shows and drop-in classes at multiple levels.

Four Day Weekend is a Fort Worth-based improvisational comedy company presenting weekly audience-driven shows since 1997, performing at Stage West Theatre and expanding to Dallas.

A nonprofit improv theatre founded in 1991 in Chicago, known for unscripted parody. The Free Associates had a successful run at the Ivanhoe Theater's second stage beginning in 1994 until the theatre was sold in January 2001.

Chiang Mai-based community improv group founded in February 2016, with around 20 performers. Free Birds holds weekly workshops open to all ages and backgrounds, with no language barrier required.

Founded in 2014, Funnylicious Theater is Slovakia's first English-language improv comedy troupe and training centre, offering monthly mainstage shows and beginner through advanced classes, with students invited to perform in mainstage productions.

Seoul's dedicated comedy theatre, billing itself as Korea's only stage for stand-up, improv, and sketch comedy. Founded in 2015 in Yongsan-gu, Funtastic Theater is the home venue for Seoul City Improv and hosts regular Theatresports events.

Garden City Improv is a Victoria, BC improv company offering weekly shows and classes from beginner to advanced, led by Second City Toronto veteran Kevin Matviw. Classes are held at Theatre SKAM and include longform improv and sketch comedy.

Active since 2005, Gbgimpro (Göteborgs Improvisationsteater) is one of Sweden's most established improv companies, performing continuously at Redbergsteatern and satellite venues, offering the broadest range of improv formats in Sweden and hosting the annual Improfest Gothenburg.

Regina improvisational theatre troupe known for producing and touring improv comedy. Notable alumni include Tatiana Maslany and Amy Matysio. Nominated for Best Improv Troupe at the Canadian Comedy Awards in 2010. Performed regularly at the Royal Saskatchewan Museum.

Glasgow's dedicated improv theatre and school, offering structured classes, house teams, workshops, and regular shows including performances during the Glasgow Comedy Festival. Operates from The Old Hairdressers venue on Renfield Street.

Founded in 2008 in Ferndale, Michigan, a suburb of Detroit. Go Comedy! is metro Detroit's dedicated improv theatre, producing nightly shows and operating a training center. The theatre has helped build an improv community in the Detroit area.

Established in 1987 as The Groundlings East, a sister company of the Los Angeles-based Groundlings. The theatre became independent and renamed itself Gotham City Improv in 1988. The board suspended performances around 2015.

Budapest's first and largest improv theater and training center.

A Taipei-based improv theatre company that performs and teaches improvisation in Taiwan. Guts has helped establish an improv community in Taipei alongside venues like Two Three Comedy, Taiwan's first full-time bilingual comedy club.

Theatrical improvisation association founded in 2008 offering workshops in schools, prisons, and community settings across the French Caribbean, with regular public shows across Guadeloupe.

İzmit-based improv group, participants in the 2016–2017 BKM Mutfak Doğaçlama Tiyatro Ligi (a respected national improv league). Current activity status uncertain.

HUGE Theater was a Minneapolis long-form improv theater and training center that grew from a collective founded in 2005 into a major Twin Cities improv institution before closing in October 2024.

Founded in 2009 by five professional actors, HaHaHa Impro Theater is Bulgaria's first professional improv group, performing regular short-form and long-form shows at Vlaykova Cinema in Sofia and running Impro Klas, a training programme with over 100 professional graduates.

Regina's independent improv theatre group, offering weekly workshops and regular public performances.

Eskişehir improv group founded 2013. Performed joint shows with Tiyatro Alegori and ran regular Friday evening shows. Last documented activity 2017; current status uncertain.

Regina improv company founded in 2013 by Andrew Parry, Cameron Chomyn, Danny Murphy, and Samantha Gross. Ran regular shows and workshops in Regina before closing.

Hong Kong Improv (HKI) was founded in 2015 to grow the art of improvised comedy in Hong Kong. They present regular shows, host classes for all levels, and organize workshops with local and international teachers.

Hong Kong's English-language improv community, with troupes including Pajama Party!, 852 Crew, and 3 Dudes Improv performing long-form, short-form, and free-form improvisation. The community has organized the HK International Improv Festival.

Founded in 2006 by Steve Roe, Hoopla is London's largest improvisation training company and theatre. Hoopla runs courses, drop-in workshops, and produces shows across multiple London venues. It has been instrumental in growing the UK improv scene and making improvisation accessible to a wide audience.

Winner of the NYC Tournament of Improvisers, an improv comedy company offering professional shows, classes, and corporate workshops in New Jersey for over 15 years.

Ljubljana's dedicated improvisational theatre company offering regular performances and the IGLU Impro School, providing multi-semester training programmes including a classical improv theatre track and personal development workshops.

Dubai's premier improv comedy troupe and training company, active since at least 2016. Offers regular performances and improv classes for adults.

Indonesia's first improvisational comedy group, a five-person ensemble of national stand-up comedians based in South Jakarta. IMPROVINDO performs live shows and collaborates with Hahaha Corp for larger productions.

Seoul-based bilingual improv troupe founded in 2014 by Hellena Jang, a Chicago-trained improv performer (iO, Second City, Annoyance, ComedySportz). Imfrog is likely the first Korean-language improv company on the peninsula and co-produces shows with Seoul City Improv.

Founded in 2019, ImpAct Improv offers weekly in-person classes for all levels and community shows in Dublin, with a curriculum originally developed in Munich and expanded internationally.

Impact Comedy HK offers improv comedy school programs and edutainment shows in Hong Kong, using improvisation to foster teamwork, communication, and critical thinking.

A long-form improv training and performance company founded by Kevin Patrick Robbins in Toronto. The Impatient Theatre Co. was largely responsible for the proliferation of long-form improvisation in Toronto. The company closed in 2013 when Robbins transitioned to full-time photography.

A Montevideo acting institute offering workshops in theatrical improvisation and performance for all ages, with a focus on helping students discover and develop their creative voice.

Imposters Theater is Cleveland's dedicated improv and comedy theater offering a full program of long-form improv, sketch, stand-up, and storytelling classes taught by industry professionals.

Founded in 2010, Imprevisti Su Misura is a Milan-based improv troupe specialising in fully unscripted short-form shows built from audience suggestions, as well as improv courses and event performances.

Impro ACT is Canberra's longest-running improvised theatre company, founded in 2005, offering classes at all levels and performing comedic, dramatic, musical, and experimental unscripted theatre including the annual Canberra International Festival of Improvisation (Improvention).

A school and performing troupe in Paris offering English and French improv classes and shows.

Founded in 1985, Impro Australia is one of the earliest Theatresports licensees outside of Canada. Based in Sydney, the company has been performing Theatresports and other improvised formats for nearly four decades and was instrumental in establishing an improv scene in Australia.

An English-language improvisation theatre company in Brussels offering classes at all levels, regular public shows, and the annual Brussels Shuffle international improv festival.

Tokyo improvisational theater specialist group, founded 2010. Develops 'concept impro' — a style crossing the boundary between improvisation and scripted performance. Produces shows, workshops, and student Theatresports competitions. Grand Prix winner at Theatre Theater Festival 2019. Japanese-language company.

Beirut-based improv training school and performance company offering workshops and shows in Lebanon.

Founded in 2018, Impro Helsinki is Helsinki's leading long-form improv school and performance company, offering a structured curriculum from beginner to advanced and regular public shows.

Founded in 2001, Impro Japan (formerly Tokyo Improv Group) is one of Japan's earliest English-language improvisation companies. The group performs Theatresports-style shows and offers training, helping to establish an improv scene in Tokyo.

Founded in 1996 by Russell Fletcher and Christine Keogh, Impro Melbourne produces improvised theatre performances and training in Melbourne. The company has been a key institution in the Australian improv scene and produces the annual MILFest (Melbourne Impro & Laughs Festival).

A leading French-language improvisational theatre school and performance company in Montreal, offering training programs and public shows.

Founded in 2015 by Terje Brevik, Impro Neuf is Norway's largest improv community, a volunteer-run non-profit at Chateau Neuf offering free weekly beginner workshops, shows, and organising the annual Oslo Impro Festival.

Founded in 1998 in Los Angeles, Impro Theatre specializes in fully improvised plays in the style of specific authors and genres. The company creates unscripted full-length plays in the style of Jane Austen, Anton Chekhov, Shakespeare, and other literary traditions. This genre-specific long-form approach is distinctive in American improvisation.

Bariloche first improv group, active since 2014 and founded by Adrian Marre. Five trained actors; documented 30+ sold-out shows. Covered by Bariloche Opina.

Beirut's pioneering improv theatre company, founded in 2008 by Lucien Bourjeily. Performs at Al Madina Theatre and has been central to developing Lebanon's improv scene.

Founded by Kelly Agathos in 2017, ImproBubble brings English-language improvisation to Brussels. Monthly shows feature world-renowned guest improvisers, and the company offers training and workshops for the international community in Belgium's capital.

One of the pioneering improv troupes in South Africa, ImproGuise performs in Johannesburg and has contributed to the growing South African improv scene through performances and workshops.

Founded in 2004, ImproMafia is Brisbane's premier improvisation company, producing shows and training programs in long-form and short-form improvisation. The company has been a cornerstone of the Queensland improv scene.

Munich's bilingual improv platform offering made-to-order workshops, courses, and shows in English and German. Co-founded by Jodi Pfleghar and partnered with Bake This Improv as Munich's corporate improv school.

ImproNOW! is South Australia's only International TheatreSports™ Institute license holder, presenting Keith Johnstone's TheatreSports™ shows and running improv workshops for schools, clubs, and corporate groups since 2003.

Manchester-based improv and comedy theatre company offering shows, open jams, and structured improv and acting courses at multiple levels. Founded by performer Eji Osigwe.

ImproTas is Hobart's dedicated improv and sketch comedy theatre company, presenting TheatreSports™ shows, acting classes, and school programs across Tasmania.

Founded in 2012 by Menelaos Prokos, ImproVIBE is Greece's first and only dedicated improv comedy theatre school, offering classes and performances in English and Greek as well as applied improv for businesses; it also produces the Mt. Olymprov international improv festival.

An improv school in Lima offering regular theatrical improvisation courses for all levels, running year-round programs that blend theatre technique with improvisation practice.

A Copenhagen-based improv group focused on long-form and ensemble development.

An AI-human collaborative improv show and school based in Prague.

An improv school and company in Sao Paulo's Vila Mariana neighbourhood, directed by Michelle Gallindo, offering regular classes and performances in theatrical improvisation.

One of Buenos Aires' leading improvisational theatre companies. Improcrash has been part of the vibrant Argentine improv scene, which draws on both North American improv traditions and the country's rich theatrical heritage including the influence of Augusto Boal's Theatre of the Oppressed.

Frankfurt improv theatre group offering monthly shows at Kellertheater Frankfurt and weekly Wednesday workshops, with monthly Saturday workshops and advanced jams. Active member of the German amateur theatre association.

Tokyo improvisational theater school and performance group, founded 2001. Practices Keith Johnstone-style impro with the motto 'Give your partner a good time.' Produces monthly workshops and irregular shows from its home base in Shibuya. One of Japan's longest-running dedicated impro organizations.

Impromptu Teatro is the oldest theatrical improvisation company in Costa Rica, founded in April 2006 by director Javier Monge and actor-improviser Rolando Salas. The group has performed at festivals in more than 12 countries across Latin America and Europe and organizes the Festival Internacional de Impro Costa Rica.

Impronunciables Impro Teatral Guatemala is a theatrical improvisation company based in Guatemala City that researches, develops, and stages competitive and long-form improv shows. The group has been active since at least 2017.

Founded in 2007, Improspekcije is a Zagreb-based initiative dedicated to developing and promoting improvisation in Croatia, organising workshops, performances, and the annual international Improspections Festival.

A professional improv theatre in Tallinn whose members are working actors from Estonian drama companies, performing in a dedicated 96-seat multifunctional theatre-bar at Põhjala Factory with shows in both Estonian and English.

Founded in 2018 by Andrei Bratu, Improteca is a Bucharest improv theatre, school, and creative lab offering shows, improvisation courses for children and adults, and corporate training across two dedicated venues.

A prominent improv ensemble in Bremen known for their diverse show formats and regular performances.

Louisville's dedicated improv school and performance troupe offering multi-level classes and regular showcase performances.

Improv Asylum is one of Boston's best-known comedy venues, offering long-form and short-form improv shows and a multi-level improv training program in the North End/Bulfinch Triangle area.

Improv Bandits is New Zealand's longest-running improvised comedy troupe, founded in 1997 in Auckland, performing regularly at the Covert Theatre and offering improv workshops and corporate training.

Improv Cincinnati is an award-winning improv comedy theater and acting academy dedicated to lifting spirits and inspiring personal growth through improvisation performance and education.

Yangon improv comedy club founded 2015 by Martin Zdarek. Operated as Yangon's improv performance and workshop venue; likely ceased operations following the February 2021 military coup.

One of India's first dedicated improv comedy groups, Improv Comedy Bangalore has been performing and teaching improvisation in Bangalore since 2014. The group performs both short-form and long-form styles and has helped establish an improv community in South India.

Pune-based improv comedy group running workshops and jam sessions, with over 13,000 Instagram followers.

Founded around 2010, Improv Comedy Copenhagen (ICC) is Denmark's premier English-language improv theatre. The ICC Theatre performs regular shows in Copenhagen and offers training courses, bringing Chicago-style improv to Scandinavia.

Hyderabad-based improv comedy performing group and community organisation, active on Instagram and Facebook.

Pioneers of improvisational theatre in India, bringing Chicago-style improv to Mumbai audiences.

Founded in 2019, Improv Comedy Riga is an English-language improv theatre company producing improvised comedy shows and organising workshops led by international instructors.

A Sioux Falls improv troupe founded in 2018 performing fully unscripted long-form and short-form improv comedy shows driven by audience suggestions.

Honolulu's premier improv collective founded in 2012, offering weekly classes at all levels and weekly shows at the Tiny Stage — a 500 sq ft dedicated performance and class space in Kakaako.

A 501(c)(3) nonprofit established in 2018 as the premier destination for improv classes, workshops, and shows in Cedar Rapids, offering youth camps and adult programming.

Lisbon's primary improvisational theatre organisation, offering open jam sessions, workshops, and courses at multiple levels alongside regular performances.

Arkansas's only weekly improv comedy show, performing continuously for over 20 years and combining scenes, games, music, and formats every Wednesday at Birdies Cabaret in Argenta.

A 501(c)(3) nonprofit improv organization founded in 2019 operating a pay-what-you-can model, offering the Improv Lab course, REMIX performance teams, and open jams.

Manchester-based long-form improv company and school founded by Freya Parker and Paul Foxcroft, offering classes and shows in Greater Manchester.

Prague's central hub for English-language improv, offering weekly drop-in workshops, an advanced workshop series, regular shows, and applied improv corporate training.

Founded in 2015, Improv Speakeasy is Oslo's English-language improv troupe, performing weekly at Chateau Neuf and offering corporate workshops drawing on combined teaching experience among its members.

Founded in 2007 by Anna Preminger, Improv Theater Israel is the leading improvisation ensemble in Israel. The company has been performing comedy plays inspired by audience suggestions since 2009 and serves as the Israeli House of Improvisation.

Founded in 2014 by Cale Bain, Improv Theatre Sydney focuses on long-form Chicago-style improvisation in Sydney. Bain brought extensive training from the American improv tradition to establish a Harold-based training program and performance venue in Australia.

Founded in 2015 by artistic director Dóra Jóhannsdóttir, Improv Ísland is Iceland's first and only long-form improv theatre company, performing weekly English-language shows at Tjarnarbíó in Reykjavik.

ImprovAcadia is a Maine-based professional improv company that has operated since 2004, first in Bar Harbor and later through collaborations elsewhere in the state.

Founded in 1982, ImprovBoston was New England's largest and longest-running improvisational comedy theatre and school. Based in Central Square, Cambridge, the theatre operated multiple stages and a comprehensive training program. ImprovBoston permanently closed in 2023 after over 40 years of operation.

A dedicated musical improv theater in Provo founded in 2014, combining improvisation, comedy, and musical theater with shows Fridays and Saturdays plus monthly class programs.

Berlin improv, theatre, and standup comedy school offering 8-week courses with weekly sessions culminating in a class show, in a fun and nurturing environment.

Founded in 2014, Improvidence is a dedicated improvisation theatre and school in Lyon, France. It is one of the few permanent improv venues in France and has contributed to the growth of French-language long-form improvisation.

One of three successor companies formed after The Committee disbanded in 1972. Historically significant as the only post-Committee group to continue performing Del Close's Harold format above a Sav-On drugstore at 149 Powell Street — preserving the long-form improv tradition that would later resurface at ImprovOlympic in Chicago.

The original Improvisation Olympics, created by David Shepherd and Howard Jerome Gomberg in 1972 at the Space for Innovative Development near Madison Square Garden. Featured ten competitive improv events highlighting character, emotion, pantomime, storytelling, and physical performance. The New York format failed to gain traction; Shepherd refined it in Toronto in 1974 before Charna Halpern revived the concept in Chicago in 1981 as ImprovOlympic — the direct ancestor of iO Theater.

Founded in 2008, Improvisneyland is Romania's longest-running improv theatre group, with over 800 shows performed at the National Theatre Bucharest. It also operates the Improv Academy training programme with over 1,000 graduates.

A Central American improvisational theatre company that has performed in major theatres across Venezuela, Costa Rica, Panama, and Chile. Improvisto has helped spread improvisation throughout the Spanish-speaking Americas.

Improvolution is a character-driven improv school founded in 2002 by Holly Mandel, the first female-founded and operated improv school in New York City.

Paraguay primary active improv ensemble, debuting publicly in November 2023. Produces shows, workshops, and jam sessions; hosted the first international improv festival in Paraguay. Instagram-primary presence.

Impulse Theatre is Christchurch's home of long-form improvisation, producing comedic and dramatic shows ranging from musicals to sci-fi and soap operas, and offering weekly adult classes and international masterclasses at Piano in the central city.

Instant Theatre Company is a Vancouver-based longform improv company producing professional comedy shows and training programs since 1994. The company offers improv classes from beginner to advanced and corporate training programs.

The biggest English-language improv community in Vienna, organizing improvisation theater sessions, classes, events, workshops, and shows. Vienna also hosts EUROPROV, Europe's English-language improv comedy festival.

Founded in 2014 by Josh Lenn and Katarina Wahlberg, International Theater Stockholm is an English-language improv company offering weekly shows (Garage Improv Comedy Club) and a 100-student training programme spanning beginner to advanced levels.

Founded in 1998, the International Theatresports Institute (ITI) administers the Theatresports format worldwide. ITI licenses the Theatresports name and format to companies across the globe, maintains quality standards, and organizes international events. The institute is the direct continuation of Keith Johnstone's work in developing competitive improvisation.

A Budapest-based improv company and training centre offering structured Improv Academy courses in English and Hungarian for adults, with a modular curriculum focusing on performance, communication, and self-awareness skills.

The third iO Theater training center franchise, launched in 2006 as a joint venture between iO Theater (Chicago) and the Raleigh improv company ComedyWorx. Operated at ComedyWorx's Raleigh space. Listed on the iO Theater Wikipedia article as one of two defunct iO franchises alongside iO West. ComedyWorx itself continued independently after the iO South partnership ended.

The birthplace of long-form improvisation as a codified practice, originally founded as the ImprovOlympic by Charna Halpern and David Shepherd in 1981. Del Close joined in 1983 and together with Halpern refined the Harold into its modern form. The International Olympic Committee forced a name change to iO in 2001. The theatre closed in 2020 due to COVID-19 financial pressures and reopened in November 2022 under new ownership.

The Los Angeles outpost of Charna Halpern's iO Theater, opened in 1997 on Hollywood Boulevard. iO West brought Harold-based long-form improvisation to the West Coast and became a major training center. The theatre closed in June 2018.

Istanbul's pioneering Turkish-language improv theatre company, performing since 2005 and formally incorporated as Doğaçlama A.Ş. in 2011, offering shows, interdisciplinary workshops, and a structured apprenticeship training programme; also organises the Doğaçlama Tiyatro Festivali.

J-Town Playhouse is a Jerusalem-based performing arts company founded in 2011, offering comedy and improv shows, acting classes, workshops, and educational theater programs.

Tokyo-based improv teaching practice offering Improv 101, 201, and ongoing Improv Studio drop-in sessions. Founded by Myles McDonough, who trained at ImprovBoston and has coached since 2013.

A comedy venue in Midtown Tulsa's SoBA District focused on improvisational and sketch comedy, founded in 2013 as Comedy Parlor, offering live shows, classes, and annual festivals.

Jakarta-based community improv group hosting regular open mic nights and workshops at The Gunslinger's Hop and other venues. Founded by Lizzie Chan, the club also offers the 'IMPROVing Life' workshop series.

Weekly improv practice group based in the Itaewon/Gyeongridan area of Seoul, founded in 2022. Jam Improv Seoul runs Tuesday evening sessions and has raised funds for local charities including orphanages and flood relief.

Jet City Improv is Seattle's premier improvisational theater and training organization founded in 1992, presenting live audience-interactive shows every weekend and offering improv classes for all levels.

One of Cape Town's most prominent improv troupes, Jittery Citizens perform short-form and long-form improv comedy. They have been active in developing the South African improv scene and perform regularly at Cape Town comedy venues.

Just The Funny is Miami's leading improv, sketch, and stand-up comedy school and theater with a 90-seat mainstage, a cabaret lounge, and a black box theater at 3119 Coral Way.

Kansas City's premier improv comedy company based in Westport, offering regular shows and improv training classes for all levels.

New Delhi-based theatre company and applied improv organisation founded in 2012 by artistic director Varoon P. Anand. Kaivalya Plays includes the CueLess improv team, one of Delhi's first, and produces work spanning short-form performance, mental health improv, and Goethe-Institut-funded productions.

Community improv group serving the Kansai region (Osaka and Kyoto), founded by Joshua Butts (Second City Chicago alumnus). The group holds monthly meetups in parks and community centres and focuses on interactive theatre games and improv open to participants aged 18 and over.

Ankara improv group founded 2018, performing short-form audience-driven improvisation (no scripts, no costumes). Performs regularly at Route Ankara Sahnesi.

A dedicated live comedy theater and school founded in 2021 at Hope Artiste Village, offering improv shows every weekend and a full class curriculum from 101 through 401 levels.

Warsaw's premier comedy club and improv theater, hosting a wide range of improv, stand-up, and literary cabaret.

Seoul-based English-language improv company with documented collaboration with Second City Institute (SCI) on Theatresports programming. Facebook-primary presence.

The first professional Arab improvisation league, founded in Tunis by Nebil Daghsen, Faten Chroudi, and Jamel Chikhaoui. Performs improvisation matches in Arabic featuring two teams, a referee, and audience scoring. Established as part of the 2017 Carthage Theatre Days.

Laugh Index Theatre (LIT), founded in 2014 out of a longform improv team that began in 2010, offers improv, stand-up, and sketch comedy classes in DC along with weekly shows in Adams Morgan including the IMPROV WARS showcase format.

An improv school and training centre in the Chacarita neighbourhood of Buenos Aires offering regular classes at beginner, intermediate, and advanced levels, as well as public improv jams.

An improv school in Sao Paulo founded by Marco Goncalves, co-creator of Improvavel, offering courses in theatrical improvisation and creativity for actors and non-actors.

Professional theatrical improvisation ensemble (LaMI) based in Rabat, comprising performers from across Morocco. Participated in the World Improvisation Championship in France (2015) and has toured Europe and Morocco with multiple show formats.

Casablanca-based theatrical improvisation company, listed on ImprovWiki as one of Morocco's active improv groups.

Larks Improv Theatre is a community-driven improv company in Singapore offering classes at multiple levels and regular public performances. They are eligible under Singapore's Culture Pass program.

Bozeman's dedicated comedy venue offering improv and stand-up classes for all levels and hosting regular comedy shows Tuesday through Saturday with a full bar.

Sydney and Melbourne's first non-profit improv school and theater, focusing on ensemble-based comedy.

Leela Improv Theatre is a San Francisco long-form improv company and training center celebrating over 20 years of inclusive performance and education.

Leela Improv Theatre Raleigh is a dedicated improv school in Raleigh offering structured classes from intro through advanced levels, bringing Leela's 20+ years of San Francisco teaching experience to North Carolina.

Coeur d'Alene's dedicated improv comedy theater offering regular performances, 4-week improv class sessions, free workshops, and corporate team-building programs.

Mendoza's foundational theatrical improvisation league, founded in 2011 by Esteban Agnello and collaborators from the University of Cuyo arts community. Operating on a competitive match format with audience-prompted unscripted scenes, the Liga has run 15 seasons, been declared of Cultural Interest by the Mendoza Legislature, and organised the FIDI international improv festival (2017, 2019) and the South American Improvisation Tournament.

The professional improv league in Argentina, focusing on the Match style of improv.

Liga Tica de Improvisación is a theatrical improvisation company based at Teatro Giratablas in San José, founded in 2003 by Argentine improvisers Bárbara Traverso and Javier Bacchetta. The group performs competitive and long-form improvisation and has organized ENIMPRO, an annual national improvisation festival.

A community-based improv organization in Lincoln offering free Open Play sessions and shows for all ages and skill levels.

Little Improv Theatre is the home of ComedySportz San Antonio, presenting improv comedy shows for all ages and offering structured improv classes and corporate training.

Pretoria-based bilingual improv comedy group featuring Monique Nortje, Hannes Brummer, Melt Sieberhagen, and Al Prodgers, performing audience-interactive shows at venues including Casa Toscana.

Logan Square Improv is a 501(c)(3) non-profit improv comedy theater in Chicago offering nightly shows and a multi-level class program at affordable prices.

London improv company and school founded by Jake Lyons, offering weekly drop-in sessions, scene-work classes, and multi-day intensives for beginners through advanced performers.

Co-founded by Keith Johnstone and Mel Tonken in Calgary, Loose Moose is the birthplace of Theatresports, Maestro, Gorilla Theatre, and Life Game. Johnstone developed these formats at Loose Moose after arriving at the University of Calgary from the Royal Court Theatre in London. Dennis Cahill became Artistic Director in 1998. Notable alumni include Bruce McCulloch and Mark McKinney of The Kids in the Hall.

Created in 2000, Lospleimovil are the pioneers of stage improvisation in Chile. The company runs the largest improv school in Santiago, hosts the Impro Chile World Cup, and has a Conservatory in Improv and Comedy. They are one of the earliest and most influential improv institutions in South America.

A Dublin-based improv training school run by Neil Curran offering multi-level courses (Levels 1–4), masterclasses with visiting instructors, and corporate training; Curran also organises the annual Improv Fest Ireland festival.

Luke Yu Comedy is a Singapore-based improv company offering shows, classes, and corporate workshops. Their long-form performance team New Kitten Party performs at venues across Singapore.

Founded in January 2014, MAD Improv is Madrid's home of English-language improv, offering regular shows in multiple formats alongside structured beginner and intermediate courses and weekly improv gyms.

Founded in 2018, MOB Theatre Dublin is an alternative comedy collective offering weekly live improv comedy nights at Wigwam Dublin and courses in improv comedy and screenwriting.

Cairo improv theatre group offering beginning courses in improvisation and performances in the Maadi and greater Cairo areas, with lessons at Cairo American College.

Founded in March 2005 by Armando Diaz, Ed Herbstman, and Shannon O'Neill. Diaz created the Armando format at iO Chicago in 1995, one of the most widely performed long-form structures in improv. The Magnet Theater became one of New York's premier improv training centers and performance venues.

Turkey's founding improv institution, active since 2001 and among the first to introduce theatresports to Turkey (January 2008). Performs regularly at Trump Sahne (Mecidiyeköy) and offers ongoing workshops.

A longform improv school in downtown Portland offering multi-level classes (Intro and Advanced) culminating in graduation shows at the Portland Media Center.

A Cape Town-based improvisation company that produces shows and runs an annual improv festival. Mama City Improv has been instrumental in building an improv community in the Western Cape.

Theatrical improvisation league based in Fort-de-France offering weekly workshops and monthly public shows, with institutional support from the Prefecture and City of Fort-de-France cultural affairs.

Mission IMPROVable is a spy-themed short-form improv company that began at UMass Amherst in the 1990s and later became closely associated with Westside Comedy in Santa Monica.

Mockingbird Improv is San Diego's only nonprofit improv theater, founded in 2021 at ARTS DISTRICT Liberty Station, offering weekly shows, improv classes, and youth programs.

Moment Improv Theatre is a narrative improv theater and training center in downtown San Francisco offering multi-level classes, live shows, and corporate workshops.

Founded in 2003 and credited with founding the improvisational theatre genre in Hungary, Momentán Társulat is Budapest's longest-running improv company with over 3,000 performances, offering shows in Hungarian and English and regular workshops at its own IMPRÓ theater.

Founded in 2015 by Dina Mild, Moscow Improv Club is Moscow's first international improv and stand-up community, offering English and Russian-language classes, shows, open mics, and masterclasses.

Alaska's most diverse improv troupe, founded in September 2017, performing unscripted comedy shows at various Anchorage venues.

Urban stand-up and improv comedy club in Nairobi performing primarily in English.

One of East Africa's first dedicated improv comedy groups, performing and teaching improvisation in Nairobi. The group has helped establish an improv community in Kenya.

Nashville Improv is Nashville's dedicated improv comedy headquarters, presenting regular live shows and offering multi-level improv classes and corporate training.

National Comedy Theatre is San Diego's longest-running improv comedy theater, presenting fully audience-suggested shows since 1999 with over 7,000 performances.

Gurugram (NCR)-based improv performing group and workshop provider with over 600 community members. The founder Ankur has trained over 2,000 students and performed more than 100 shows across the Delhi–NCR region.

Kathmandu-based improv company that trains and performs with local improv troupes in Nepal.

Bangalore-based improv performance group that ran shows at local venues including Medai - The Stage.

A foundational Rio de Janeiro theatre school founded in 1951 by Maria Clara Machado, whose free improvisation course has trained generations of Brazilian actors. Located in Lagoa at Av. Lineu de Paula Machado 795, O Tablado bills itself as a school of theatrical improvisation, offering in-person and online courses.

Oklahoma's premiere improv performance showcase and teaching institution located in the historic Plaza District, founded in 2009, offering ongoing shows and classes.

OTRimprov is a Cincinnati-based improv company in the Over-the-Rhine neighborhood offering interactive shows, affordable classes, and corporate creativity workshops.

Southern Utah's longest-running improv theater, founded in 2004, presenting fully-improvised weekly comedy shows and an extensive class curriculum from Improv 101 through advanced.

On the Fly Impro is South Australia's premier improvisational theatre training organisation, offering term-based classes for all skill levels and live performances on Kaurna Land in Adelaide.

Only the Human is a Perth-based social enterprise and cooperative that operates as both a performing venue and improv school, offering classes and shows to build a thriving improvisation community in Western Australia.

Cape Town improv theatre company offering corporate team building workshops, weekly improv jams, and live entertainment.

Founded in 2008, Os Improváveis is Lisbon's pioneering improv troupe, performing improvised theatre in Portuguese. The group has been central to establishing an improv scene in Portugal.

A Bogota-based improv company founded in 2011 by former members of La Gata Impro and La Gata Cirko, specialising in transdisciplinary improvised theatre projects and corporate workshops. The company produces the Monkey FEST, an international improv festival in Bogota.

Paper Street Theatre Co. is a Victoria, BC improvisation ensemble directed by Dave Morris that creates unscripted performances in the style of established theatrical forms. The company offers multi-level improv classes and has appeared at international festivals in Vancouver, London, Romania, and Amsterdam.

Shanghai-based improv comedy group founded around 2013, performing short- and long-form improv at venues including Kung Fu Komedy Club. The group also offered corporate training and toured to Chengdu and other Chinese cities.

Philly Improv Theater (PHIT) has been the heart of Philadelphia's nationally recognized comedy scene since 2005, training over 1,000 students annually in improv, sketch, stand-up, and acting.

Improv theatre company founded in 2011 by Javier Griego Falcon. Performs at Espacio Le Parc, Teatro Recreo, and Maipu venues; listed on Alternativa Teatral.

Founded around 2010, Pirates of Tokyo Bay is an English-language improv comedy troupe based in Tokyo. The group performs regular shows and has become a fixture of the international comedy scene in Japan.

Bilingual English/Japanese short-form improv company founded in Osaka in 2005, performing throughout the Kansai region. Founded by Mike Staffa as the sister group of Pirates of Tokyo Bay, the troupe was described as Osaka's only bilingual comedy company.

Planet Ant Theatre is a Hamtramck, Michigan improv and comedy theater founded in 2000, home to the longest-running improv show in Detroit and a training center for improv, sketch, and acting.

Delhi-based improv comedy studio and performing group, described as Delhi's first dedicated comedy studio. Founded by Baneet Chhabra, Priya Sharma, and Shivam Srivastava, operating from the Saket neighbourhood of New Delhi.

An experimental theatre on the University of Chicago campus co-founded by Paul Sills, David Shepherd, and Eugene Troobnick. The Playwrights Theatre Club staged scripted work and served as the direct precursor to the Compass Players. The fire department shut it down in 1955 for code violations.

Portland Comedy Theater is the home of ComedySportz Portland, presenting live improv comedy shows for all ages and offering improv training classes and corporate workshops.

Tasmanian improv group producing live shows from Theatresports-style formats to full dramatic long-form plays. Facebook-primary presence.

A 501(c)3 nonprofit dedicated to improv comedy, founded in 2012 at the AS220 arts complex, hosting live shows every Friday and Saturday night and offering multi-level classes and workshops.

Nairobi artistic collective offering world-class stand-up and improv comedy, with weekly workshops, open mics, and shows at venues including Two Grapes Kilimani.

pH Productions is a Chicago comedy company and theater collective mentioned as part of the city’s smaller black-box improv ecosystem.

Manchester's own improv troupe founded in 2017, performing short-form and long-form improv at the Palace Theatre and offering free open sessions for all experience levels.

One of Utah's oldest and most influential improv troupes performing every Friday since 1994 at Midvale Performing Arts Center; nearly every Utah improv troupe traces roots to Quick Wits.

RISE Comedy (formerly Voodoo Comedy Playhouse) is a dedicated Denver improv comedy club and theater founded in 2011, presenting improv shows and offering training classes.

Founded in 2021, Rails Comedy operates at the DC Arts Center in Adams Morgan and presents improv and sketch comedy shows alongside multi-level comedy classes and workshops.

Edmonton's longest-running improv theatre, originating when Stephen Heatley brought Theatresports to the city in 1981 through Theatre Network. The company was formally incorporated in 1988 under Artistic Director Jack Smith. Rapid Fire has performed at the Varscona Theatre and The Citadel Theatre.

An award-winning improv comedy company in the Boise metro offering shows, classes in improv and storytelling, corporate training, and free monthly community improv jams.

Budapest English-language improv theatre, founded in 2015. Produces short-form and long-form shows. Facebook-primary presence.

Founded in 2013, Renegade Saints is the longest-running English-language improv comedy company in Geneva, offering regular shows, drop-in workshops, and classes for all levels.

A 501(c)(3) nonprofit theater in Reno teaching and performing improv, public speaking, and sketch comedy for adults of all skill levels, offering multi-level courses and weekend workshops.

Richmond Improv Theatre Society (RITS) is a community arts organization based at 7700 Minoru Gate in Richmond, BC, offering improv classes, drop-in sessions, and performance opportunities for all ages and skill levels. The society runs programs in partnership with the City of Richmond and Richmond Cultural Centre.

New Jersey's only performing arts school fully dedicated to teaching and performing comedic improvisation, founded in 2018, offering classes for kids (grades 3-12) and adults, plus shows and corporate events.

Short-form improv comedy troupe based in Rockford, Illinois, performing unscripted comedy in the style of Whose Line Is It Anyway. Website (rockfordimprov.com) was last archived in December 2014 and is currently dead (404), indicating the group went dark circa 2014–2015.

Founded in 2013 (originally as Improkraatia), Ruutu10 is Tallinn's established improv comedy centre offering regular shows in Tallinn and Tartu alongside improv classes and workshops.

SAK Comedy Lab is a 250-seat dedicated improv comedy theater in downtown Orlando founded in 1991, presenting nightly shows and operating one of the largest improv training centers in the US.

Rotterdam's dedicated English-language improv school and community offering beginner through performance-level courses, regular shows, and monthly taster sessions across multiple Rotterdam venues.

Billed as Asia's premier improvisational theater group, SPIT has been the longest-running performing improv group in the Philippines for over 16 years. The troupe has grown a significant following through live shows and social media, and is connected to the broader Manila Improv Festival ecosystem.

Ho Chi Minh City's first improv school, founded in December 2020 by Van Tran after training in New York and Chicago. Saigon Improv House offers classes for adults, children, and corporate clients, and has trained nearly 200 students since launch.

A Montevideo theatre club offering workshops and courses in improvisation, clown, theatre and personal development, including intensive courses and summer workshops.

Nonprofit improv comedy theater and school founded 2010 by Jeff Kinsler, operating inside Shoppingtown Mall in DeWitt (suburban Syracuse). Produced shows, workshops, and classes in improv, sketch, and stand-up. Closed permanently in 2020 when Shoppingtown Mall shuttered during the COVID-19 pandemic. The company later resurfaced in Oneida, NY.

A 501(c)(3) nonprofit improv school and performance company founded in 2009, offering 8-week adult classes, weekly drop-in sessions, and Saturday evening shows.

Alaska's longest-running improv troupe, founded around 2006 and celebrating 20 years of comedy, offering improv shows and a class and workshop program in Anchorage.

Berlin-based improvisational theatre ensemble and school at 18 Boxhagener Straße, with over 25 years of experience. Offers ensemble shows and the Scratch Impro School, providing beginner courses and advanced workshops.

Connecticut's leading professional improv comedy company, founded in 2009, offering live shows at Sea Tea Comedy Theater and multi-level classes at Sea Tea Improv Studios.

Phoenix improv theater offering shows and classes at 1130 E Missouri Ave, providing improv training and live comedy performances.

The Second City's Los Angeles training center satellite, operating from 2005 to 2022 at 6560 Hollywood Boulevard. Offered multi-level improv and sketch curriculum under Artistic Director Joshua Funk. Closed during the COVID-19 pandemic and did not reopen, ending Second City's 17-year Los Angeles presence.

Cape Town improv comedy group performing unscripted, unrehearsed shows at The Masque Theatre in Muizenberg on the second Sunday of each month and at Courtyard Playhouse.

Founded in 2007, Seoul City Improv is an English-language improvisation company in Seoul, South Korea. The company brought Chicago-style improv to South Korea and performs for both expatriate and Korean audiences.

A nonprofit comedy, improv, and live arts theatre in Huntsville, founded in 2019, offering stand-up, improv, and sketch shows every Friday and Saturday plus classes in improv, sketch, and art.

Bulgaria's first long-form improv company, performing Chicago-style improvisation for over ten years in a 130-seat venue in central Sofia and hosting the annual Sofia International Improv Festival.

The only brick-and-mortar improv training facility and performance space on the Jersey Shore, hosting ComedySportz competitive improv shows and multi-level improv classes since 2019.

Skits and Giggles is an English-language improv performance group in Taichung, Taiwan, originally founded in 2007 as Taichung Improv. They offer open improv classes and performances at local venues.

Improv comedy group running a weekly Tuesday show at The Roundy Bar in Cork city. Facebook-primary presence.

An improv theatre and training center on the Danforth in Toronto, founded by Ralph MacLeod, who previously co-founded Bad Dog Theatre Company. Social Capital Theatre operates above the Black Swan pub and offers classes and performances.

Son de Impro is a theatrical improvisation company based in the Cartago area of Costa Rica, formed by former members of Liga Tica de Improvisacion. The group performs mobile improv shows throughout the country.

Staircase Improv is a Hamilton improvisation theatre and training centre with roots going back to 1996.

Station Theater is Houston's premier independent comedy performance space for long-form improv, sketch, and stand-up, operating a comedy conservatory offering training and performance opportunities.

Steel City Improv Theater is Pittsburgh's dedicated improv theater for everyday people looking to build confidence, meet new people, and laugh more through structured improv classes and shows.

One of Germany's pioneering improv theatres, founded by Thorsten Brand in 1992 at the Kellertheater Hamburg. A 20-actor ensemble performing at the Imperial Theatre and other Hamburg venues, and operating as an improv school and business theatre institute.

Established in 1993, Stella Polaris is one of the longest-running improvisation theatres in the Nordic countries. Based in Helsinki, the company performs improvised theatre and has been a cornerstone of the Finnish improv scene for over three decades.

Founded in 1996, Stjärnfall is Finland's only Swedish-language professional improvisation theatre, performing across Finland's Swedish-speaking coastal communities and offering corporate and educational workshops.

Founded in 1989 by Martin Geijer, Stockholms Improvisationsteater (SIT) is the oldest and largest improv theatre in the Nordic region, operating a permanent dedicated stage at Sigtunagatan 12 and running approximately 55 courses per year for around 900 students.

Stomping Ground Comedy is a nonprofit comedy theater and training center in Dallas founded in 2017, offering improv shows, classes, youth programs, and the Dallas Youth Improv Festival.

An English-language improvisational theatre company and school based in Zurich offering classes at all levels, corporate workshops, and regular improv shows.

New Hampshire's longest-running improv troupe, in operation since 2004, offering weekly shows, multi-level classes, musical improv workshops, and corporate training throughout New England.

Strike Theater is a Minneapolis venue hosting the long-running Improv A Go Go showcase (founded 2002) and multiple improv, sketch, and storytelling shows including ComedySportz matches.

Poland's first and longest-running theatrical improvisation school, founded in Warsaw in 2012, offering a full curriculum from beginner to advanced and hosting shows at dedicated venue Resort Komedii; co-organiser of the Warsaw Improv Festival.

Edinburgh's improv comedy theatre company, founded in 2009. Offers structured courses and training, inclusive events, and regular shows. Established The TBC Improv Theatre as a pop-up venue from 2015 to 2019 and has since expanded to the UK, Hong Kong, and Spain.

TBC Improv HK is the Hong Kong branch of international improv company TBC Improv, founded in 2014. They teach classes, perform shows, and run corporate training programs.

Almaty's permanent improv theatre, located at Keremet 7/40. Hosts improv shows for up to 60 people; all performances are unscripted with no pre-written material.

Founded in 2015, Tag Out Theatre is an Amsterdam-based improv company producing regular shows, open jams, and performance marathons for the city's improv community.

A multi-location improv training school offering weekly classes across several Buenos Aires neighbourhoods including Villa Crespo, Belgrano, Palermo, and Almagro.

Founded in 1999 by Mari Rinaldi and Andy Ferrari, Teatribù is Milan's most internationally recognised improv association, offering a three-year structured improvisation curriculum, completely improvised shows, and corporate training; recipient of the City of Milan's Ambrogini d'oro award in 2017.

Improv and sketch comedy ensemble founded in 2006, operating from their own venue in Santurce, San Juan with regular daily shows.

Founded in 1973, Teatro Libre is one of Colombia's most important independent theatre companies. While primarily a scripted theatre, the company has incorporated improvisational techniques influenced by Augusto Boal and commedia dell'arte traditions, contributing to the broader ecosystem of improvised performance in Latin America.

Active since 2007, Teatro a Molla is Bologna's leading theatrical improvisation company, performing comic and dramatic improv shows while running an improv theatre school and corporate experiential workshops.

Long-form improv group founded in 2004 and based in Nova Iguacu in the Rio de Janeiro metro area. Maintains an active Facebook page and a production blog.

Israel's central hub for improv training and performance, founded by pioneers of the Israeli scene.

Founded by Mick Napier and fellow Indiana University alumni originally under the name Metraform. The company renamed itself the Annoyance after finding a permanent theatre on Broadway and Belmont. The Annoyance produced Co-Ed Prison Sluts, which became the longest-running original musical in Chicago history. The theatre's philosophy emphasizes individual performer power as a counterpoint to orthodox yes-and doctrine.

Johannesburg-based long-form improv, clown, and sketch comedy school, part of a global network with hubs in Toronto, Mexico, Amsterdam, and South Africa. Offers five-level curriculum and open shows.

A Mexico City-based English and Spanish language improv company that brings Chicago-style long-form improvisation to Mexico. The Assembly MX produces shows and offers training programs.

Mexico City's long-form improv collective, founded in 2018 by Sara De Lille as the first international branch of The Assembly Toronto. Produces monthly shows, offers training and workshops, and provides corporate improv programs.

A Toronto performance venue opened in September 2017 by the merger of Unit 102 Actors Company and Leroy Street Theatre. The Assembly hosts improv, sketch, and theatrical performances on Queen Street West.

The Basement is an Atlanta improv and comedy venue.

Kansas City improv comedy theater in the Crossroads Arts District offering improv shows and classes.

The Bit Theater is an improv comedy venue and training center in Aurora, Illinois, offering long-form and short-form improv shows, classes for all ages, and community events.

Cork's longest-established improv troupe performing short-form improvisational comedy from audience suggestions, with sellout shows at Cork Arts Theatre and appearances at regional arts festivals.

The only dedicated improv theater in New Mexico, founded in 2007 as part of Cardboard Playhouse Theatre Company (501c3), hosting weekly shows by multiple improv troupes and offering training programs.

An English-language improv troupe in Istanbul that performs regularly at YOTA Stage in Taksim. The Clap has been part of the growing English-language comedy scene in Turkey.

Bangkok's original English-language comedy club, presenting live stand-up and improv from international and local comedians. The club runs improv workshops and a popular Monday night improv comedy meet-up.

The Comedy Store Players have performed weekly improvised comedy at The Comedy Store in London since 1985. The troupe was founded by members including Mike Myers, Neil Mullarkey, and Kit Hollerbach. The Players perform short-form improvisation influenced by both the Theatresports tradition and American improv. Their Wednesday and Sunday residencies make them one of the longest-running improv acts in the world.

Founded in 1963 by Alan Myerson and Jessica Myerson (later Irene Riordan), both former members of the Compass Players and Second City. The Committee was a satirical improvisation company in San Francisco's North Beach district. The company is historically significant as the site where Del Close first experimented with long-form structures that would evolve into the Harold. Larry Hankin, Howard Hesseman, and Peter Bonerz were among its notable members.

The first improvisational theatre company in the United States, founded by David Shepherd and Paul Sills. The Compass opened on July 5, 1955 at the Hi-Hat Lounge near the University of Chicago. The company featured Mike Nichols, Elaine May, Shelley Berman, and Barbara Harris among others. It later expanded to a St. Louis branch before closing in 1958.

The first and only dedicated improv comedy theatre in Dubai. Home to Theatresports Middle East, affiliated with the International Theatresports Institute, the Playhouse performs Keith Johnstone's Maestro format weekly alongside other improv shows. Founded through Dubomedy Arts, the UAE's first comedy school.

The longest-running improv comedy show in Dublin, performing every Sunday night at The International Bar since 1992. An award-winning team and cornerstone of the Irish improv scene for over three decades.

New Mexico's longest-running professional long-form improv team offering elite acting and improv classes, workshops, and shows through multiple performance groups in Albuquerque and Santa Fe.

Bangalore-based performing arts school offering a 50-hour Improv Foundation course. Founded in 2019 and based in Indiranagar, The Flux Project teaches improv as a performance art and applied skill.

The Focus Theater is Rochester's dedicated comedy venue offering improv shows, stand-up, and sketch performances alongside improv classes and workshops.

Founded in 2014, The Free Association is a London-based improv theatre and school that focuses on long-form Chicago-style improvisation. The company has helped bring Harold-based and other long-form structures to the UK improv scene.

Founded by Josh Lenn and Katarina Wahlberg, The Garage has been creating improvised shows and building an international improv community in Stockholm for over a decade. The club hosts the Sweden International Improv Festival (#SWIMP).

The Good Friend Theater (formerly CSz Houston) is Houston's longest-running improv comedy company, founded in 1990, presenting the ComedySportz format and offering improv training classes and corporate workshops.

Founded by Gary Austin in 1974 on Melrose Avenue in Los Angeles. The Groundlings is an improvisational and sketch comedy theatre and school that has produced an extraordinary number of Saturday Night Live cast members and Hollywood comedians including Phil Hartman, Jon Lovitz, Lisa Kudrow, Will Ferrell, Melissa McCarthy, Maya Rudolph, and Kristen Wiig. The company uses a short-form and sketch-based approach distinct from the Chicago long-form tradition.

Lawrence's dedicated improv home since 2015, hosting weekly improv shows and free Tuesday night improv workshops open to all.

Chennai-based improv comedy group performing regular shows at venues in the city, including the Baggy's Half Boiled Improv Show.

Founded in 1999, The Hideout Theatre is Austin's longest-running improv comedy theatre. Located for 26 years on Congress Avenue in downtown Austin, the theatre produced long-form improvisation and hosted the Out of Bounds Comedy Festival, one of the largest improv festivals in the United States. In 2025, the Congress Avenue building was sold by its owner; the new owners plan to convert the space to a bar. The Hideout held farewell performances at the Congress Avenue location November 13-16, 2025, then relocated to Art Hub ATX in South Austin — a 4,000 sq ft facility with a 100-seat theater, two classrooms, and a coffeehouse — continuing full operations under the same ownership and artistic leadership.

The Home Comedy Theater is an 80-seat improv comedy venue and training center in Chicago's East Lakeview neighborhood, specializing in long-form improvisation performances and classes.

Chennai's first all-woman improv comedy ensemble, founded by Shalini Vijayakumar, who previously performed with The Half-Boiled Inc. Active as of 2022.

Zimbabwe's only dedicated improv comedy troupe, founded in 2008 by Kevin Hanssen. Specialises in short-form improv with occasional long-form storytelling, performing primarily at Harare's iconic Reps Theatre and in dinner-theatre settings. Has represented Zimbabwe at international improv festivals including The Heat at The Improv Centre, Vancouver.

Founded in 2001, The Improfessionals is Paris's first and longest-running English-language improv troupe, performing regularly at venues such as Théâtre Essaion.

A Mumbai-based improv comedy company that performs shows and offers training. The Improv has been part of the growing stand-up and improv comedy scene in India's entertainment capital.

A Prague improv school and performance group offering weekly beginner, intermediate, and advanced courses alongside regular Monday night shows and corporate workshop packages.

Cape Town improv company founded in 2020 by Justine Beukes, Thomas Dods, and Tamith Hattingh, offering classes, workshops, and live shows.

The Improv Centre is a live comedy venue on Granville Island in Vancouver, BC, operating as a registered charity and presenting unscripted performances including TheatreSports shows multiple times weekly. The society has offered improv classes and workshops for all skill levels for over 40 years.

Founded in 2013, The Improv Company is Singapore's dedicated improvisation theatre. The company runs training programs and produces shows, serving as the primary hub for improv in Southeast Asia.

Singapore's dedicated improv school and performance group, fostering a vibrant local community.

Founded in 2012, The Improv Conspiracy is a Melbourne-based improv theatre and school that focuses on Chicago-style long-form improvisation. The company helped bring Harold-based improv to Australia and operates a comprehensive training program modeled on American improv school curricula.

Melbourne's home for long-form improv, offering weekly shows and a comprehensive training program based on the Chicago style.

The Improv Embassy is Ottawa's school for improv comedy classes, workshops, and shows, and produces the annual Ottawa Improv Festival.

Hanoi-based community space and training centre described as Vietnam's first dedicated improv hub. Founded and directed by Le Kim Thanh, The Improv Hub offers foundational courses, bilingual shows, and community events from its location at 14 Ngo Quyen, Hoan Kiem.

The Improv Pit is a Chicago-style improv comedy venue and training center in Collingwood, Melbourne, hosting weekly Thursday night shows and offering 8-week workshop courses across multiple levels.

Founded in 2022 by Neil Curran and Quinton O'Reilly, The Improv Playground is a Dublin improv community space running weekly drop-in workshops on Monday evenings and shows on Saturday nights at The Teachers Club.

St. Louis improv comedy theater and training center with over 15 years of shows and classes serving the St. Louis improv community.

Mumbai-based improv performing group founded in 2014, with four performers.

An improv theatre company in Rosario, Argentina, founded by director Cristian Marchesi in 2002, with over 1,500 performances specialising in competitive improv matches featuring audience participation.

Based in Johannesburg, The Long Shots are a South African improv comedy troupe that performs long-form improvisation. They have helped develop the improv scene in Gauteng and perform regularly in Johannesburg venues.

Award-winning improv comedy and theatre company based in Brighton, offering shows, courses, and corporate training in Brighton and London. Hosts an annual improv retreat and performs at major UK festivals.

The Nest Theatre is a Columbus improv theater and training center co-founded by Tera DeFrancisco and Rance Rizzutto in 2016.

Founded in 2009, The Nursery Theatre is a dedicated improv venue and school in North London. It offers a comprehensive curriculum and produces regular shows, contributing to the growth of the London improv community.

Utah's longest-running nonprofit community theater, home of the 'Laughing Stock' improv comedy show running continuously since 1994, also offering 6-week improv classes.

Co-founded by Ali Farahnakian and Armando Diaz as a home for long-form improvisation, sketch comedy, and stand-up in New York City. Farahnakian trained at iO Chicago under Del Close and Charna Halpern. The PIT also operates a location in Chapel Hill, North Carolina.

Founded in 2007 by Miles Stroth in Los Angeles. The Pack Theater is an independent improv and sketch comedy venue that provides an alternative to the larger UCB and Groundlings institutions in the LA comedy scene.

One of three improv successor companies formed when The Committee disbanded in 1972, carrying forward a strand of the ensemble improv tradition in the Bay Area. Named alongside Improvisation Inc. and The Wing as direct inheritors of The Committee's approach.

Arguably the first structured school of improvisation, founded by Josephine Forsberg in 1971. Forsberg had served as Viola Spolin's teaching assistant and understudy at the original Second City. The Players Workshop trained Bill Murray, Harold Ramis, Betty Thomas, Shelley Long, George Wendt, and David Mamet among others.

The first nonprofit improv cooperative of its kind in the United States, founded by Doug Diefenbach. The Playground opened its first permanent home in March 1999 as a sixty-seat venue. The theatre features four improv groups per night, each performing approximately 25 minutes in whatever form they choose. It vacated its longtime Halsted Street location in 2021 and relocated to North Clark Street.

An improvisational theatre in Greenwich Village founded by Theodore J. Flicker, a former member of the Compass Players. The original Off-Broadway production opened November 22, 1960 and ran for 1,249 performances. The cast included Tom Aldredge, George Segal, and Joan Darling, with later members including Buck Henry and Gene Hackman. The Premise subsequently moved to London's West End.

A 149-seat cabaret-style comedy club founded by John Stoops, intentionally located at the historic site of the original Compass Players. The Revival opened exactly 60 years after the Compass Players first performed in Hyde Park.

Vietnam's first improv comedy theatre, founded in 2015 in Hanoi by Long. The Rotten Grapes has performed over 150 bilingual (English and Vietnamese) shows across Hanoi, Da Nang, and Saigon over eight years, and also offers beginner improv courses.

The Rozzie Square Theater is Boston's only brick-and-mortar comedy club owned by a woman and Asian American, founded in 2018 through a collaboration between CSz Boston and Riot Improv, offering ComedySportz shows and improv classes.

The most influential comedy institution in North America, founded on December 16, 1959 by Paul Sills, Bernie Sahlins, and Howard Alk. The name is an ironic reference to A.J. Liebling's derogatory 1952 New Yorker description of Chicago. The Second City launched the careers of John Belushi, Dan Aykroyd, Gilda Radner, Bill Murray, Tina Fey, Stephen Colbert, and hundreds of other performers. Andrew Alexander purchased the company from Sahlins in 1985.

A fully licensed Second City mainstage franchise, opening in 2002 at the 14th Street Theatre in Playhouse Square, offering improvisational comedy, musical comedy, and avant-garde fare. Cited by Wikipedia's Improvisational Theatre article as one of the Second City franchises that quickly closed due to mismanagement and over-reliance on scripted scenes. The 14th Street Theatre later converted to a private dining space (Cibreo Privato). Company operations ceased approximately 2003.

The Second City's Detroit-area outpost, originally opened in 1993. The Detroit company has produced mainstage revues and operated training programs, extending The Second City's reach into the Midwest.

The Second City's Las Vegas satellite, operating at Bugsy's Celebrity Theatre inside the Flamingo Hotel on the Las Vegas Strip from spring 2001 to summer 2008. Ran nine performers plus a musical director for over seven years before the casino hotel format proved unsustainable. Part of The Second City's aggressive franchise expansion of the early 2000s.

The New York outpost of The Second City, opened on November 16, 2023 in a 12,000-square-foot space in Williamsburg, Brooklyn. The facility houses two cabaret-style theatres, seven training center classrooms, and a full-service restaurant and bar.

The Toronto outpost of The Second City, first opened on Adelaide Street East in 1973. Andrew Alexander licensed the Canadian rights from Bernie Sahlins for one dollar and borrowed $7,000 to reopen the theatre in 1974. The company moved through several locations including the Old Firehall on Lombard Street before settling into a 28,700-square-foot space at One York Street in November 2022. Second City Toronto launched the careers of John Candy, Dan Aykroyd, Catherine O'Hara, Eugene Levy, Martin Short, and many others.

One of three improv successor companies formed after The Committee dissolved in 1972. The Wing was performing at The Tivoli when The Committee gave its final blackout. It is one of three documented post-Committee companies (alongside Improvisation Inc. and The Pitchell Players) that briefly continued the San Francisco ensemble improv tradition.

One of Germany's most established improvisational theatre groups, performing competitive improv since the 1990s.

Charleston's home for improv comedy since 2000, a 130-seat theater co-founded by Brandy Sullivan and Greg Tavares offering improv shows Wednesday, Friday, and Saturday, plus classes for adults and teens.

The Theatre Guild of Ancón is the oldest continuously operating theatre in Panama, founded in 1950 by Panamanian and American citizens. In addition to classic dramas and musicals, the company produces the long-running improvisational comedy show Improv8.

Keith Johnstone's touring improvisation company based in London, active from approximately 1966 to 1971. Theatre Machine performed Johnstone's improvisational techniques across Europe and was the direct precursor to the Theatresports format he later developed in Calgary. The company demonstrated that improvisation could be a viable performance form in its own right.

A nonprofit improv-centered theater education collective founded in 2022, focused on community empowerment and inclusive improv, and producers of the Make Em Laugh, OK festival.

The first school dedicated to teaching the art of improvisation in the Philippines. Third World Improv started the Manila Improv Festival in 2015, which has grown into Asia's largest improvisational theater festival.

Founded in 2014 in Lyon, Théâtre Improvidence is France's first theatre dedicated exclusively to improvisation, presenting a diverse programme of improv shows and running the École Improvidence training school for all skill levels; it has since expanded to Bordeaux.

Tightrope Theatre is a Vancouver improv company at 2343 Main Street offering weekly Keith Johnstone-style impro shows and classes for all ages and experience levels. The company was founded in Calgary in 2014 and relocated to Vancouver in 2017.

Eskişehir improv company founded February 2009 by Eray Güler and Evren Başer. Organized the 2nd National Improvisation Theatre Festival bringing 11 teams from across Turkey; performed 212+ shows with 10,000+ audience members in their peak seasons.

İzmit-based improv company, one of Turkey's earliest regional improv groups outside Istanbul, active since 2004.

İzmir-based improv performing ensemble and training company, founded 2013–2015. Located at Kıbrıs Şehitleri Cad. No:48, Alsancak, İzmir.

Self-described as the largest improvisational theatre and humour school in the CIS region, Tochka Impro offers courses in improvisation, stand-up, oratory, and acting from its Saint Petersburg base, with regular shows and corporate training.

Comedy bar and venue in Shibuya that hosts weekly improv workshops and monthly all-improv shows alongside stand-up programming. Founded in 2022, it also organises the Tokyo International Comedy Festival.

Tokyo-based bilingual improv company and school founded in 1994 as Tokyo Comedy Club. Operates the Improvazilla monthly show at Crocodile in Shibuya and runs Impro Dojo workshops teaching Johnstone, Second City, iO, and Annoyance styles. Studio Gokko, their black box theatre and school space, opened in 2019.

Improv company active since around 2015, specialising in the Improvisaciones Minimas long-form format. Co-organiser of the FIDI (Festival Internacional de Improvisacion) festival. Facebook-primary presence.

Morocco's leading professional improv troupe (TIM), based in Rabat, performing monthly at Villa des Arts Rabat and the Cultural Complex of Anfa in Casablanca. Organises the Festival International d'Improvisation du Maroc (FIIM), the country's premier improv festival.

Tucson's dedicated improv theater founded in 2012 at 414 E 9th St, offering regular shows and classes for all levels.

Founded by Randy Dixon in 1983, Unexpected Productions performs in a 90-seat theatre inside Seattle's Pike Place Market. The company is known for its long-form narrative improv format and has been a fixture of the Seattle arts scene for over four decades. Dixon is recognized as an innovator in narrative long-form improvisation.

Tucson nonprofit improv and sketch comedy theater dedicated to community-based performance and accessible training programs.

Founded on February 4, 1999 by the UCB Four: Matt Besser, Amy Poehler, Ian Roberts, and Matt Walsh. UCB became the dominant force in New York City long-form improvisation and launched the careers of countless performers. The theatre closed its Hell's Kitchen location in April 2020 due to COVID-19 and reopened in September 2024 at a new East Village location under new ownership by Mike McAvoy and Jimmy Miller.

The Los Angeles branch of the Upright Citizens Brigade Theatre, opened in 2005 on Franklin Avenue in Hollywood. UCB LA became the dominant long-form improv theatre on the West Coast and a pipeline for television comedy writing staffs. The theatre permanently closed its Franklin Avenue location in 2020 due to COVID-19 and has since sought a new LA venue.

A homegrown Anchorage improv company founded in 2013 and recognized as a pioneer of longform improv in Alaska, performing rotating long-form and short-form formats.

Valencia's English-language performing arts community specialising in long-form improv, theatre, and stand-up, offering classes, shows, and drop-in sessions.

A Vancouver improv company founded in 1980 by a co-operative of actors, with Colin Mochrie among the inaugural members. The company performs Keith Johnstone's Theatresports format and has operated its own theatre on Granville Island since 2011, branded as The Improv Centre. Ryan Stiles also performed with the company early in his career.

A Las Vegas improv training center founded in 2018 offering classes, workshops, coaching, and corporate team training through the Functional Improv methodology, in-person and online.

Founded in 2002, Verbavolant is the first dedicated school of theatrical improvisation in Rome, offering beginner and advanced improv and text theatre courses and affiliated with Italy's national Improteatro network.

Vermont's premier comedy venue opened in 2015, offering standup, improv, and sketch shows in a 140-seat cabaret room, plus adult improv and sketch classes and the annual Big Pond Improv Festival.

Villain Theater is a Miami improv and performance theater offering multi-level classes rooted in long-form improv fundamentals, character work, and scene performance.

A professional nonprofit theater founded in 1994 (formerly Dreamcatcher Rep) producing plays, improv comedy, and new play readings, with ongoing adult improv classes at the Oakes Center.

Founded in 2003, WIT is Wellington's improv company, producing shows and workshops in New Zealand's capital city. The troupe performs various improv formats and has been part of the growing Australasian improv network.

An experimental improv and sketch theatre founded in early 1993 by Don Hall, Joe Janes, and other graduates of the Second City Training Center's Level 5 program. The name stands for either 'What Now Entertainment Productions' or 'What No One Else Produces' depending on the source. WNEP found its first permanent home in 2000.

DC's premier destination for longform improv, founded in 1986 and formally reconstituted in 1998 as a consensus-based artist collective. WIT presents regular ensemble performances at Studio Theatre and runs a multi-level improv training program reaching over 20,000 audience members annually.

Wayward Improvised Theatre performs short-form, long-form, and narrative improv shows at Arts Court in Ottawa, Ontario.

The Wellington Improvisation Troupe (WIT) is Wellington's longest-running improv company, operating for over 20 years and based at Toi Poneke, offering introductory classes through the Wellington Community Education Centre and regular Tuesday night training sessions.

Whole World Improv Theatre is a Midtown Atlanta improv theater and training center offering regular shows, improv classes, and community performances since 1991.

Port Elizabeth improv comedy show where the audience sets the scenes and performers improvise on the spot.

Iowa's dedicated improv theater, a registered 501(c)(3) nonprofit with improv teams, ongoing conservatory classes, and public shows including jams and showcases.

A Portland-based improv ensemble founded in 2019 that combines improv comedy with non-fiction storytelling, performing monthly at the Portland Media Center.

Long-running improv academy and performing company based in Beyoglu, founded 2003. Operates Yota Sahne with approximately 1,500 shows performed; offers regular workshops and academy training.

Shenzhen-based English-language short-form improv group founded in 2016, with a multinational cast. ZIP Improv performs regular shows at venues including Luna and Mambo and is part of Shenzhen's active expat improv community.

Zmack has been performing improv comedy in Shanghai for over a decade, growing to include over 40 professional improvisational actors from dozens of countries. The company performs in English, Chinese, and French, with multiple teams including ZhiMaKong (Chinese-language improv). Zmack uses a 'Pay What You Want' admission model to keep improv accessible.

Zurich's destination for English-language improv comedy, producing fast-paced interactive shows. The community includes troupes like Hoi Polloi and hosts the Zurich Improv Comedy Festival.