| Homerez | |
| Homesys | |
| Homido | |
| Homiris | |
| Homo Ludens | |
| Hook | |
| Hook0 | |
| Hop3Team | |
| Hopcast | |
| HOPOP'UP Design | |
| Hoppen | |
| Hopper | |
| Horizon Data Services | |
| Horizon Groupe | Essonne |
| Horizon Software | Paris |
| Horizon Tech | Seine-Saint-Denis |
| Horizon Telecom | Saône-et-Loire |
| Horizons University | |
| Horizontal Software | Isère |
| Horoquartz | Paris |
| Horus Pharma | |
| Horus Systèmes | Paris |
| HorusTest | |
| Hosman | |
| Hospimedia | |
| Hosteur | Bouches-du-Rhône |
| Hosteur.fr | Bouches-du-Rhône |
| Hot Apps Factory S.A.R.L. | |
| HPDG | Isère |
| HR Path | |
| HR Path S.A.S. | Paris |
| HR Team S.A.S. | |
| HRC Software | |
| HrFlow.ai | |
| HSBC Continental Europe | |
| HTL Biotechnology | |
| HTML5Media | Paris |
| Htmledit | Ille-et-Vilaine |
| Http5000 | Métropole de Lyon |
| HUB 101 | Hauts-de-Seine |
| Hub France IA | Paris |
| Hub Score | Paris |
| Hub612 | Métropole de Lyon |
| Hublo | |
| Hubup S.A.S. | |
| Hubware by Onepilot | |
| Hudik | Gironde |
| Hugo Douchet | Métropole de Lyon |
| Human Coders | Paris |
| Human to Computer | Seine-Maritime |