| Hello Energy | South Holland |
| Helvoirt Automatisering B.V. | North Brabant |
| Henchman B.V. | |
| Henk Muis ICT Consultancy | South Holland |
| henQ | North Holland |
| HERE Technologies | North Brabant |
| Hero Balancer | North Holland |
| HERTZinger B.V. | Utrecht |
| Heutink ICT | Overijssel |
| Heuvel Marketing | Gelderland |
| Hexagon | Overijssel |
| Hexon | Gelderland |
| Heynen B.V. | Limburg |
| HI-Computers | Overijssel |
| Hiber B.V. | North Holland |
| HIbera Agency | |
| Hieper Software | North Holland |
| HIFLEX Automatiseringstechniek B.V. | South Holland |
| High Tech Campus Eindhoven | North Brabant |
| High Tech NL | North Brabant |
| High-Logic | Utrecht |
| HighTechXL | North Brabant |
| HighTechXL Plaza | North Brabant |
| Hike One | |
| Hilf Telecom B.V. | North Holland |
| Hirschmann Multimedia B.V. | North Holland |
| HitProfs | |
| HKU | |
| HOBBIT Imaging Solutions | South Holland |
| Hoeben Electronics | North Brabant |
| Hogeschool de Kempel | North Brabant |
| Hogeschool Inholland | |
| Hogeschool IPABO | |
| Hogeschool KPZ | |
| Hogeschool Leiden | |
| Hogeschool Rotterdam | South Holland |
| Hogeschool Saxion | Overijssel |
| Hogeschool Tio | Utrecht |
| Hogeschool Utrecht | Utrecht |
| Hogeschool van Amsterdam | North Holland |
| Hogeschool van Arnhem en Nijmegen | Gelderland |
| Hogeschool Van Hall Larenstein | Friesland |
| Hogeschool Viaa | |
| Hoist Finance AB NL | |
| Holiday Media | North Brabant |
| HOLLAND Computer Systems B.V. | Overijssel |
| Holland FinTech | North Holland |
| Holland Park Media | South Holland |
| Holland Shielding Systems B.V. | |
| Holland Startup B.V. | Utrecht |