| GTA-Pro Garage | Hautes-Pyrénées |
| GTP Bioways | |
| Guéno Création NANTES | Loire-Atlantique |
| Guerbet | |
| Guest Suite | |
| Guillaume Briday | |
| Guillaume Gomez | |
| Guiti News | |
| Gulliver.com | |
| Gulplug | |
| Gunther Groenwege | Paris |
| GV Finances | |
| GWS Consulting | Paris |
| Gymlib | |
| H&B Informatique | Aisne |
| H-Tech Supports | |
| H2i | Métropole de Lyon |
| H2SYS | |
| H4 Orphan Pharma | |
| H7 | |
| habx | Paris |
| Hachka | |
| HackerHouse | |
| Hackerspace Breizh-Entropy | Ille-et-Vilaine |
| Hacking Health Camp | |
| Hackuity | |
| Hadopi | Paris |
| Haffner Energy | |
| Haigo | |
| Haiku | |
| Hamel Ultra Développement | Gironde |
| Hamilton Apps | |
| Hammerstar Capital | |
| Hanahe Diffusion | Gard |
| HandBrake | |
| Handddle | |
| Handicall | |
| Hands | |
| Hans Finninger | Charente |
| Happn | |
| Happy Blue Fish Studio S.A.S. | Ille-et-Vilaine |
| Happy capital | |
| Happy Dev | |
| Happyculture | |
| Happydemics | |
| HappyFactoryParis | |
| HappyPal | |
| HappyVisio | |
| Hardis Group | Isère |
| Hardware & Software Informatique | Seine-et-Marne |