| GiftofSpeed | |
| Gilbert Technologies | |
| Ginger Payments B.V. | |
| Gino Software | Groningen |
| Giop | South Holland |
| GIPAM | |
| GitLab B.V. | Utrecht |
| GitNation | |
| Gladior B.V. | Overijssel |
| Glamorous Goat | |
| Glide Software | North Holland |
| Global Cleantech Capital | |
| Global Commission on the Stability of Cyberspace | South Holland |
| Global Electronics B.V. | Overijssel |
| Global Organisation for Bioinformatics Learning, Education & Training | Gelderland |
| Global-E ICT Solutions | North Brabant |
| GlobalHome | Gelderland |
| GlobalOrange | |
| GlobalOwls | |
| GNUPic Free Microcontroller Software Tools | North Holland |
| Go Advised Group | South Holland |
| Go Sharing | |
| Go2People Websites B.V. | North Holland |
| Go4Design | Zeeland |
| GoBright | |
| Goedkoopsteprinter | North Brabant |
| Gold-IP | South Holland |
| Goliath analytics | Groningen |
| Gomecsys B.V. | |
| Gommans Automatisering B.V. | Gelderland |
| Gomotion | South Holland |
| Gonen Automation | South Holland |
| Gonzodesign | |
| Good News | |
| Goodwell | |
| Gosidesign | Limburg |
| GOTO Amsterdam | |
| GouwIT | Gelderland |
| Govin | |
| GPI Elektrotechniek | |
| Graduate | |
| Graduate Ventures | |
| Gradyent | |
| Graficalc | North Brabant |
| Graficom Group | South Holland |
| Grasp | |
| Gratis Webshop Beginnen | Drenthe |
| GratisSoftware.nl | North Holland |
| GratisSoftware.nu | Utrecht |
| Gravita Software | Groningen |