| ESTUDIO | ES EMPRESA | MIEMBROS | FUNDADO | LOCALIDAD | ACTIVIDAD |
|---|---|---|---|---|---|
| Mad Djinn Games | 2017 | Granada (Granada) | |||
| Mad Gear Games | 2-5 | 2015 | Cádiz (Cádiz) | ||
| Mad Triangles | 2016 | Madrid (Madrid) | |||
| Madruga Works | 2015 | Teo (A Coruña) | |||
| Main Loop | 2017 | Bilbao (Bizkaia) | |||
| Majorariatto | 2-5 | 2013 | Mallorca (Islas Baleares) | ||
| Mango Protocol | 2-5 | 2013 | Barcelona (Barcelona) | ||
| Mansion Games | 6-10 | 2014 | Palma de Mallorca (Islas Baleares) | ||
| Markanime Studios | 1 | 2009 | Cartagena (Murcia) | ||
| Materia Works | 2-5 | 2013 | Madrid (Madrid) | ||
| Matnogames | 2016 | Murcia (Murcia) | |||
| Melbot | 2017 | Barcelona (Barcelona) | |||
| Memetic Studios | 2019 | Madrid (Madrid) | |||
| MercurySteam | 51-200 | 2002 | San Sebastián de los Reyes (Madrid) | ||
| Meteorbyte Studios | 2017 | Oviedo (Asturias) | |||
| Mighty Polygon | 2016 | Valencia (Valencia) | |||
| Milkstone Studios | 2-5 | 2008 | Oviedo (Asturias) | ||
| Mizu Games | 2015 | (Asturias) | |||
| Moad Studio | 2016 | Málaga (Málaga) | |||
| Mojon Twins | 2-5 | 2005 | () | ||
| Molegato | 1 | 2013 | Madrid (Madrid) | ||
| Monis Games | 2017 | Sevilla (Sevilla) | |||
| Moon Factory Studios | 2015 | Madrid (Madrid) | |||
| Moonlight Games | 2019 | Jaén (Jaén) | |||
| Muquo Games | 2017 | Sevilla (Sevilla) |