- G-BASE One film
- G.W. Films One film
- G21M One film
- G4 Productions One film
- Gadea Films One film
- GAGA Corporation Inc. 8 films
- Gaia Audiovisuals S.L. 5 films
- Gala Media Capital One film
- Galápagos Media One film
- Galatée Films 3 films
- Ganzafilm Production One film
- Garajonay Producciones 2 films
- Gariza Films 7 films
- Garmata Film Production One film
- Gastibeltza Filmak One film
- Gaumont 99 films
- Gazprom Media One film
- GDH 559 One film
- Gébéka Films 2 films
- Gebrueder Beetz Filmproduktion One film
- Geko Films 3 films
- Gema Films 4 films
- Gemini Films 2 films
- Geneon Entertainment Inc. 2 films
- General Admission 2 films
- General Film Distributors 2 films
- Generalitat de Catalunya-Departament de Catalunya
- Generalitat de Catalunya-Departament de Cultura 2 films
- Generalitat Valenciana One film
- Genre Films 2 films
- Gentile Entertainment Group One film
- Georgian Films One film
- Getaway Films 3 films
- GF Films One film
- Ghost House Pictures 11 films
- Giant Pictures
- Gifted Films One film
- GK Films 14 films
- GKids One film
- Gladys Glover
- Glasshead Limited One film
- Glasshouse Pictures One film
- Glat Entertainment
- Glitch Productions One film
- Global Film Group 3 films
- Global United Media One film
- Globo Filmes 11 films
- Gloria Sanchez Productions 5 films
- Gloriamundi Producciones
- Glory Film 2 films
- Gluk'oza Animation One film
- GM Distribution One film
- GND Media Group One film
- Goalpost Pictures One film
- Gobierno de Navarra 2 films
- Gold Circle Films 17 films
- Goldcrest Pictures 10 films
- Golden Empire Studios One film
- Goldenart Production One film
- Goldfinch Pictures 6 films
- Goldmoon Film One film
- Goldmoon Films
- Goldsmith-Thomas Productions One film
- Golem Distribución 132 films
- Gomez Junco Productions One film
- Gona 2 films
- Gonita Filmacción One film
- Good Chaos 4 films
- Good Films 11 films
- Good Universe 13 films
- Goodspeed Productions One film
- Goodwill Entertainments One film
- Gotham Group 3 films
- Gotham Productions 7 films
- Goya Producciones 2 films
- Graal Films One film
- Gramercy Park Media 7 films
- Gran Via Productions 7 films
- Grand Army Entertainment 4 films
- Grand Electric One film
- Grand Illusions Entertainment One film
- Grand Showbiz 4 films
- Grande Film Corporation One film
- Graphinica One film
- Gravier Productions 6 films
- Greater Productions One film
- Green Flag Films
- Green Ray Films One film
- GreeneStreet Films 4 films
- GreenStreet Films 3 films
- Greenwich Film Productions 2 films
- Grey Matter Productions 3 films
- Grinder Monkey One film
- Gringo Films One film
- Gris Medio One film
- Grosvenor Park Media 3 films
- Grotesque 3 films
- Groundswell Productions 11 films
- Grumpy Entertainment One film
- Grupo Chaski One film
- Grupo Cine Arte 2 films
- Grupo Secuyoa One film
- Grupo Tranquilo 2 films
- Guainot Produce One film
- Guarango Cine y Video
- Guaraya Films Enterprises 2 films
- Guerreras Maxwell
- Guillermo G. Peydró One film
- Guión Producciones Cinematográficas
- Gullane One film
- Gullane Filmes 6 films
- Gummy Films One film
- Gunn Films 6 films
- Gussi S.A.
- Gutta Percha Productions One film