| Gino Software | Groningen |
| Giop | South Holland |
| GitLab B.V. | Utrecht |
| GitNation | |
| Gladior B.V. | Overijssel |
| Glide Software | North Holland |
| 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 |
| Glycostem Therapeutics B.V. | |
| GNUPic Free Microcontroller Software Tools | North Holland |
| Go Advised Group | South Holland |
| Go Sharing | |
| Go2People Websites B.V. | North Holland |
| Go4Design | Zeeland |
| 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 |
| Gosidesign | Limburg |
| GouwIT | Gelderland |
| Govin | |
| GPI Elektrotechniek | |
| Graduate | |
| Gradyent | |
| Graficalc | North Brabant |
| Graficom Group | South Holland |
| Gratis Webshop Beginnen | Drenthe |
| GratisSoftware.nl | North Holland |
| GratisSoftware.nu | Utrecht |
| Gravita Software | Groningen |
| Greener Power Solutions | |
| Greenfield Consult | |
| GreenFlux Assets B.V. | |
| GreenFox Social Return B.V. | |
| Greenhost | North Holland |
| Greenhouse Cleantech Incubator | Gelderland |
| GreenRoutes | |
| Grendel Games | Friesland |
| Grensloos e-logistics & e-commerce | North Brabant |
| GrepS | Overijssel |
| GreyNet International | |
| Gribb | |
| Grid Webdesign | South Holland |
| Grip Online | South Holland |