We consider studios those companies who develop their own videogames
Companies developing games for others are listed under Other companies
| STUDIO | CONST | MEMBERS | FOUNDED | PLACE | ACTIVITY | LINKS |
|---|---|---|---|---|---|---|
| Octavilla Games | 2-5 | 2018 | Sevilla (Sevilla) | |||
| Odders Lab | 26-50 | 2018 | Sevilla (Sevilla) | |||
| Omnium Lab Studios | 6-10 | 2013 | Algeciras (Cádiz) | |||
| Open House Games | 2-5 | 2019 | Barcelona (Barcelona) | |||
| Orenji Games | 2-5 | 2017 | Valencia (Valencia) | |||
| OSEAin | 2024 | Salamanca (Salamanca) | ||||
| Out of the Blue Games | 11-25 | 2018 | Madrid (Madrid) | |||
| Outfit7 Barcelona | 26-50 | 2018 | Barcelona (Barcelona) | |||
| Over the Top Games | 6-10 | 2008 | Madrid (Madrid) |