| U-NEXT | Japan | February 3, 2009 | — | 1 |
| U5 Filmproduktion | Germany | 1997 | — | — |
| UAV Corporation | — | 1984 | 2006 | 1 |
| Ubisoft Film & Television | France | March 10, 2010 | — | 1 |
| UBURU | Japan | September 17, 2009 | — | — |
| Udaya Pictures | — | 1942 | — | 10 |
| UFA | Germany | December 18, 1917 | — | 233 |
| UFA Fiction | Germany | 2013 | — | 1 |
| UFA Serial Drama | Germany | 1991 | — | — |
| UFO International Productions | United States | 2007 | — | 1 |
| Ufotable | Japan | October 2000 | — | 2 |
| UFund | — | 2004 | — | 2 |
| UGC | France | September 25, 1946 | — | 32 |
| UGC Images | France | — | — | 3 |
| Ugra TV | Russia | December 25, 1998 | — | 1 |
| UK Film Council | United Kingdom | 2000 | — | 52 |
| Ukrainian Media Group | Ukraine | — | — | 1 |
| Ukrainian State Film Agency | Ukraine | 2011 | — | 1 |
| Ukranimafilm | Ukraine | 1959 | 2019 | 3 |
| Ukrtelefilm | Ukraine | 1965 | — | 23 |
| Ulrich Seidl Film Produktion | Austria | — | — | 1 |
| Ultra-Film | Germany | — | — | 2 |
| Ulysses Filmproduktion | Germany | — | — | 4 |
| Umbara Brothers Film | Indonesia | 2017 | — | 7 |
| Umberto Productions | Estonia | 1997 | — | 2 |
| Umedia | — | 2010 | — | 39 |
| Un Ponte Per | Italy | 1991 | — | 1 |
| Unafilm | Germany | — | — | 3 |
| Uncharted Territory | United States | 1999 | — | 1 |
| Underground contenidos | Argentina | 2006 | — | 1 |
| Unfiltered Artists | Germany | — | — | 2 |
| Unicité | France | — | — | 1 |
| Unicorn Content | Spain | June 27, 2017 | — | — |
| Unicorn Enterprises | United States | — | — | 1 |
| Unicorn Riot | United States | 2015 | — | 1 |
| UniKo | Spain | 2009 | — | 1 |
| Union Film | Czech Republic | October 31, 1994 | — | 1 |
| Union Film Enterprise Ltd | British Hong Kong | 1952 | 1967 | — |
| Union Films | Indonesia | 1940 | 1942 | 7 |
| UnionDocs | United States | — | — | 1 |
| Unione Cinematografica Italiana | — | 1919 | 1926 | 2 |
| United Artists | United States | February 5, 1919 | — | 227 |
| United Artists Television | United States | 1958 | 1983 | — |
| United International Pictures | — | November 1981 | — | 2 |
| United King Films | Israel | 1974 | — | 6 |
| United Media | United States | 1978 | 2011 | 2 |
| United Parks & Resorts | United States | March 15, 1960 | — | 2 |
| United Plankton Pictures | United States | April 1998 | — | 7 |
| UNITED PRODUCTIONS | Japan | — | — | 1 |
| United States Army Signal Corps | United States | 1863 | — | 1 |
| United States Copyright Office | United States | 1897 | — | 2 |
| United States Department of Agriculture | United States | May 15, 1862 | — | 8 |
| United States Department of Defense | United States | August 10, 1949 | — | 1 |
| United States Department of the Air Force | United States | September 18, 1947 | — | 1 |
| United States Department of War | United States | 1789 | September 18, 1947 | 1 |
| United States Forces Japan | United States | 1957 | — | 1 |
| United States Forest Service | United States | February 1905 | — | 1 |
| United States Information Agency | United States | August 1953 | 1999 | 2 |
| United States Office of War Information | United States | June 13, 1942 | September 15, 1945 | 8 |
| Unitelefilm | Italy | — | — | 2 |
| Universal Animation Studios | United States | 1991 | — | 23 |
| Universal Content Productions | United States | June 2008 | — | — |
| Universal Music Spain, S.L. | Spain | — | — | 1 |
| Universal Newsreel | United States | — | — | — |
| Universal Pictures | United States | April 30, 1912 | — | 1,339 |
| Universal Studios Home Entertainment | United States | 1979 | — | 11 |
| Universal Subscription | — | — | — | 11 |
| Universal Television | United States | October 2019 | — | 3 |
| Universal Television Alternative Studio UK | United Kingdom | 2000 | — | — |
| Universe Entertainment | People's Republic of China | — | — | 2 |
| Universel Exportations Films | France | — | — | 1 |
| Universidad Veracruzana | Mexico | 1944 | — | 1 |
| University of Applied Sciences Berlin | Germany | 1823 | — | 1 |
| University of California, Los Angeles | United States | July 24, 1919 | — | 1 |
| University of Cinema | Argentina | 1991 | — | 2 |
| University of Colorado Boulder | United States | 1876 | — | 1 |
| University of Guadalajara | Mexico | 1792 | — | 2 |
| University of Quebec School of Media at Montreal | Canada | — | — | 1 |
| University of Television and Film Munich | Germany | July 19, 1966 | — | 4 |
| University of Theatre and Film Arts | Hungary | 1865 | — | 2 |
| University Press of Mississippi | United States | 1970 | — | 1 |
| Unión Films | Spain | — | — | 1 |
| Unlimited | France | — | — | 1 |
| Unlimited Stories | Sweden | January 9, 2006 | — | 14 |
| UNO-Film | Norway | 1946 | — | 1 |
| Unusuality Productions | — | 2005 | — | — |
| Up-Front Group | Japan | 1983 | — | 1 |
| UPA | United States | 1945 | 1993 | 3 |
| Uplifting Entertainment | — | 1999 | — | 1 |
| Uplink | Japan | — | — | 1 |
| Uplink | Japan | September 10, 1987 | — | — |
| UpNorth Film | Norway | September 4, 2017 | — | 4 |
| Upside Down Pictures | United States | 2022 | — | — |
| Upside films | France | 2000 | — | 2 |
| Urania | Austria | 1910 | — | 1 |
| Urania-Film | Estonia | 1930 | — | — |
| Uranzu Films | Spain | 1964 | — | — |
| Urban Media | Bulgaria | 2002 | — | 1 |
| Urban Works | South Korea | March 2009 | — | — |
| US CINEMA | Japan | September 1953 | — | 1 |
| USA Network | United States | 1980 | — | 1 |
| USC Shoah Foundation | United States | 1994 | — | 1 |
| Uschi Reich Filmproduktion | Germany | — | — | 1 |
| Ushakiran Movies | — | 1983 | — | 12 |
| USSR State Committee for Television and Radio | Soviet Union | September 10, 1931 | April 1991 | 10 |
| UST Inc. | — | 1986 | 2009 | 1 |
| UTV Motion Pictures | India | 1996 | — | 38 |
| UV Creations | India | — | — | 7 |
| Uzbekfilm | — | 1925 | — | 67 |