| GMSI | Alpes-Maritimes |
| GNUstep | Seine-Saint-Denis |
| Go & Up | |
| Go Entrepreneurs | Paris |
| Go On Web | Isère |
| Go Systemes | Indre-et-Loire |
| Go.Graph | Haute-Savoie |
| GO2cam International | |
| Gojob | |
| GoldenMarket | Paris |
| Golem.ai | |
| GoLiver Therapeutics | |
| Gometa | |
| Gonexa | |
| Goodays | |
| GoodBarber | Corse-du-Sud |
| Goodness | Pyrénées-Atlantiques |
| Goodvest | |
| Goomeo | Haute-Vienne |
| Goot | |
| Goot | |
| GoPaaS | |
| Goracash | Paris |
| GoSense | |
| GoTechnique.com | Hauts-de-Seine |
| GoTronic | Ardennes |
| Gouach | |
| Govtech Summit | Paris |
| Goweb | Nord |
| GoWizApp | |
| GP Software | Métropole de Lyon |
| GP2 | Essonne |
| GPAO France | Puy-de-Dôme |
| Gplservice | Savoie |
| GPPI Informatique | Haute-Garonne |
| Graal Systems | |
| Gradient Denervation Technologies | |
| Gradiweb | |
| Graffiti Connexion | Ardèche |
| Grafia | Gironde |
| Grafik plus | |
| Graftys | |
| GrAI Matter Labs | |
| Grainbow | Seine-Saint-Denis |
| Graitec Innovation S.A.S. | Essonne |
| Grand Est Numérique | Moselle |
| Grande École du Numérique | |
| Graneet | |
| Granular Energy S.A.S. | |
| Graoulug | Moselle |