| H.m.p. | Japan | 1981 | — | 1 |
| H2O Productions | France | March 2010 | — | — |
| H5 | France | 1994 | — | 1 |
| Hachette | France | 1826 | — | 1 |
| Haddock Films | Argentina | 2006 | — | 2 |
| Hager Moss Film | Germany | 1989 | — | 5 |
| Haghefilm | Netherlands | 1914 | — | — |
| Haiyan Film Studio | People's Republic of China | — | — | 1 |
| Hakuhodo | Japan | 1895 | — | 1 |
| Hakuhodo DY Media Partners | Japan | December 2003 | — | 1 |
| Hakuhodo DY Music & Pictures | Japan | October 2015 | — | 1 |
| HAL Films | United Kingdom | October 1997 | 2012 | 2 |
| Hal Roach Studios | United States | 1919 | 1960 | 34 |
| Halas and Batchelor | United Kingdom | 1940 | 1986 | 1 |
| Hallmark Channel | United States | 1984 | — | 1 |
| Hallmark Pictures Corporation | United States | 1919 | — | 1 |
| Halo Studios | United States | 2009 | — | 1 |
| Hamilton-Mehta Productions | — | 1996 | — | — |
| Hammer Film Productions | — | 1934 | — | 124 |
| HandMade Films | — | 1978 | — | 19 |
| Handmade Films in Norwegian Woods | Norway | August 23, 2013 | — | 1 |
| Hanna-Barbera | United States | 1957 | 2001 | 24 |
| Hannover House | — | 1993 | — | 1 |
| Hanoi Radio – Television Station | Vietnam | 1954 | — | 1 |
| Hans Oppenheimer Film | Germany | — | — | 1 |
| HansaFilm | Estonia | March 5, 2019 | — | 4 |
| HanWay Films | United Kingdom | — | — | 23 |
| Hanwha Group | South Korea | October 1952 | — | 1 |
| Haoliners Animation League | — | 2013 | — | 1 |
| Happinet Phantom Studios | Japan | January 20, 2021 | April 2, 2025 | 1 |
| Happy Endings | Norway | — | — | 1 |
| Happy Endings Film | Germany | — | — | — |
| Happy Life | Sweden | 1997 | — | 1 |
| Happy Madison Productions | United States | December 10, 1999 | — | 49 |
| Harbour Pictures | United Kingdom | 1999 | — | 1 |
| Hard X | Canada | 2013 | — | 9 |
| Harfanmaula Films | India | — | — | 2 |
| Hargla Company | Latvia | June 9, 1997 | — | 3 |
| Hari Studios | France | October 5, 2006 | — | — |
| Harlin & Selin Productions | Finland | 1990 | 1990 | 1 |
| Harmonica Films | Sweden | February 18, 2008 | — | 1 |
| Harmony Films | United Kingdom | — | — | 5 |
| Harmony Gold USA | United States | 1983 | — | 1 |
| Harpo Productions | United States | 1986 | — | 3 |
| Harvest International | United States | — | — | 1 |
| Harvey Comics | — | 1941 | 1994 | 2 |
| Harvey Films | United States | 1957 | — | 2 |
| Hasbro | United States | 1923 | — | 18 |
| Hasbro Entertainment | United States | August 16, 2023 | — | 1 |
| Hashima Islanders for Historical Truth | Japan | — | — | 3 |
| Hasya Movies | India | — | — | 1 |
| Hats Off Productions | — | 2003 | — | 1 |
| Haut et Court | France | — | — | 18 |
| Hawk Films | — | 1964 | — | 3 |
| Haworth Pictures Corporation | United States | — | — | 1 |
| Haxan Films | United States | — | — | 4 |
| Haz Films | Spain | 1955 | — | 2 |
| HazazaH | Netherlands | — | — | 1 |
| HB Entertainment | South Korea | — | — | 1 |
| HB Entertainment | South Korea | October 2006 | — | — |
| HB Wink Animation | China | — | — | 1 |
| HBO | United States | November 8, 1972 | — | 48 |
| HBO Europe | — | 1991 | — | 5 |
| HBO Films | — | 1983 | — | 41 |
| HBO Max | United States | May 27, 2020 | — | 2 |
| Hearst Communications | United States | July 13, 1920 | — | 1 |
| Hearst Media Production Group | United States | 1988 | — | — |
| Heategevusfond Diplomifilm | Estonia | — | — | 1 |
| Heatwave Entertainment | United States | — | — | 2 |
| Hecht-Hill-Lancaster Productions | — | 1948 | — | 12 |
| Hechtman Filmworks | United States | July 18, 2018 | — | 3 |
| Hedayat Film | Iran | 1986 | — | 3 |
| Hedgebrook | United States | 2004 | — | 1 |
| Helea Sound Post Production | Finland | January 5, 2006 | — | 1 |
| Helen Cinematic Organization | Pahlavi Iran | — | — | 2 |
| Hell's Kitchen Productions | Ireland | — | — | 3 |
| Hellenic Broadcasting Corporation | Greece | April 28, 2015 | June 11, 2013 | 9 |
| Hello Sunshine | United States | 2016 | — | 1 |
| Hello! Project | — | 1998 | — | 1 |
| Helsinki Film | Finland | 2002 | — | 28 |
| Hemdale films | United Kingdom | 1967 | 1995 | 26 |
| Hemera Films | Morocco | — | — | 1 |
| Hengdian Group | People's Republic of China | November 22, 1999 | — | 2 |
| Henry Lehrman Comedies | United States | 1919 | 1921 | — |
| Henson Alternative | — | — | — | 1 |
| HerbX film | Germany | — | — | 1 |
| Here Media | United States | 2009 | — | 2 |
| Heretic | Greece | 2013 | — | 2 |
| Heretic Films | United States | 2012 | — | 1 |
| HereTV | United States | 2002 | — | 1 |
| Heritage Films | Poland | 1991 | — | 2 |
| Hermes Synchron | Germany | 1967 | — | — |
| Hermitage Bridge Studio | Russia | — | — | 1 |
| Hero-Film | Norway | 1946 | — | 1 |
| Heron Communications | United States | 1984 | 1993 | 1 |
| Heron TV | — | July 14, 2026 | — | 26 |
| Herr P. | Germany | 2011 | 2022 | — |
| Herzliya Studios | Israel | 1949 | — | 36 |
| Hesam Film | Pahlavi Iran | — | — | 2 |
| Hessischer Rundfunk | Germany | October 2, 1948 | — | 7 |
| Heyday Films | United Kingdom | 1996 | — | 30 |
| Heyi Pictures | — | — | — | 5 |
| Heymann Brothers Films | Israel | — | — | 1 |
| Hi Film Production | Romania | — | — | 9 |
| High Bridge Productions | United States | 2008 | — | — |
| High Treason Pictures | — | 2006 | — | 1 |
| Highball TV | Canada | — | — | 1 |
| Higher Ground Productions | United States | May 2018 | — | 4 |
| Highway Productions | Greece | — | — | 2 |
| HighZium studio | South Korea | — | — | 1 |
| Hihhihhii | Finland | January 28, 2002 | — | 2 |
| Hikari TV | Japan | — | — | 2 |
| HILLDALE | France | 2007 | — | — |
| HIM International Music | Taiwan | 1999 | — | 1 |
| Hinduja Group | — | 1919 | — | 1 |
| Hing Fat Film Company | Hong Kong | — | — | 1 |
| Hiroshima Telecasting | Japan | 1962 | — | 3 |
| Hispano Foxfilms S.A.E. | Spain | — | — | 1 |
| History | United States | 1995 | — | 3 |
| History Dreams | United Kingdom | — | — | 1 |
| Hit and Run Productions | — | 1985 | — | 1 |
| HIT Entertainment | — | 1982 | March 31, 2016 | 4 |
| Hitmaker Studios | Indonesia | — | — | 5 |
| Hittites | Hatti | 1700 BC | — | 1 |
| Hive Media Corp | South Korea | — | — | 3 |
| HK Film | Vietnam | 2005 | — | 3 |
| HMV Retail Ltd. | United Kingdom | 1921 | — | 1 |
| Ho Chi Minh City Television | Vietnam | May 1975 | — | 1 |
| Ho Chi Minh City Television Film Studios | Vietnam | — | — | 7 |
| HOBAB | Sweden | — | — | 3 |
| Hoichoi | India | September 20, 2017 | — | 3 |
| Holland Media House | Netherlands | 1996 | 2001 | — |
| Hollandiafilm | Netherlands | April 9, 1914 | August 14, 1923 | — |
| Hollando-Belgica Film Mij. Eureka | Kingdom of the Netherlands | 1924 | — | 3 |
| Hollywood Gang Productions | United States | — | — | 1 |
| Hollywood Pictures | United States | February 1989 | 2007 | 86 |
| Homa Cinematic Organization | Pahlavi Iran | — | — | 1 |
| Homage Comics | — | 1996 | — | 1 |
| Hombale Films | India | 2012 | — | 4 |
| Homeless Bob Production | Estonia | 2006 | — | 7 |
| Hong Ying Animation | — | 1986 | — | 1 |
| Hoodlum | Australia | — | — | 2 |
| HOOQ | Singapore | 2015 | April 30, 2020 | 2 |
| Hopscotch Films | France | July 2006 | — | 17 |
| Horipro | Japan | 1963 | — | 7 |
| Horizon Pictures | United States | — | — | 9 |
| Hot Toys | People's Republic of China | 2000 | — | 1 |
| House of Donati | Duchy of Florence | — | — | 1 |
| How Full's inc. | Japan | September 1978 | — | — |
| Hoyts | Australia | 1926 | — | 1 |
| Hoyts Edgley | Australia | — | — | 1 |
| Hozeh Honari | Iran | 1979 | — | 1 |
| Hrif | Iceland | July 17, 1985 | October 31, 2007 | 1 |
| HSCC | Israel | — | — | 1 |
| Huaju Film Company | Republic of China | 1925 | — | 1 |
| Huaxia Film Distribution | — | August 8, 2003 | — | 9 |
| Huayi Brothers | People's Republic of China | 1994 | — | 32 |
| Huevocartoon | Mexico | November 2001 | — | 1 |
| Hughes Entertainment | United States | — | — | 1 |
| Hugofilm | Switzerland | 1999 | — | 4 |
| Huh huh | Finland | November 11, 1999 | — | 1 |
| Huhu Studios | — | — | — | 1 |
| Hui's Film Production | British Hong Kong | 1974 | — | 3 |
| Hulu | United States | March 2007 | — | 1 |
| Hum TV | Pakistan | 2005 | — | 1 |
| Human Factor TV | Netherlands | — | — | — |
| Human Rights Foundation | United States | 2005 | — | 1 |
| Hunan Broadcasting System | People's Republic of China | June 28, 2010 | — | 1 |
| Hungarian Soviet Republic | — | March 21, 1919 | August 1919 | 2 |
| Hungarofilm | Hungary | 1956 | — | — |
| Hunnia Film Studio | Kingdom of Hungary | December 19, 1928 | August 18, 1948 | 24 |
| Hunnia Studio | Hungary | 1912 | 1913 | 1 |
| Hurricane Films | United Kingdom | — | — | 1 |
| Hustler Video | — | 1998 | — | 19 |
| Hwa&Dam Pictures | South Korea | 2007 | — | 1 |
| Hybe | South Korea | February 4, 2005 | — | 1 |
| Hybrid Films | United States | 2008 | — | 19 |
| Hydraulx | United States | 2002 | — | 4 |
| Hyperion Entertainment | — | March 1999 | — | 1 |
| Hyperion Pictures | United States | 1984 | — | 5 |
| Hyperion Productions | Greece | — | — | 1 |
| Hyperobject Industries | United States | October 2019 | — | 2 |
| Hyæne Film | Denmark | May 16, 2017 | — | 2 |
| Hōsō Dōga Seisaku | Japan | February 15, 1966 | — | — |