| GoServerFree | |
| Government Communications Security Bureau | Wellington |
| Government Information Systems Managers’ Forum | Wellington |
| GoWeb NZ | Auckland |
| Grafik | |
| Grant Day Software Ltd | |
| Grant smith and associates design consultancy | Manawatu-Wanganui |
| Graphic Design Agency Auckland | Auckland |
| Graphic Edge Ltd | Auckland |
| GraphX | |
| Gravitate | Auckland |
| Gravity Events | |
| GravityLab Ltd | |
| Great Outcomes | Auckland |
| Green Light Services | Auckland |
| Green Mouse | Waikato |
| Greenbox Group Pty Ltd | |
| GridAKL | Auckland |
| Grow Online | |
| GTB IT Solutions | |
| GuestTraction | Wellington |
| Gumboot.com | Otago |
| GummyBear | |
| Gunn Interactive | |
| Gunn Interactive Ltd | Otago |
| G·A·S·P Designs Group Ltd | Hawke's Bay |
| Hackland | Auckland |
| Hadley Wickham | |
| HairyLemon | Canterbury |
| Hale & Associates | Bay of Plenty |
| Halter | Auckland |
| Happy Charting | |
| Happy Monday Ltd | |
| Hard Drive System Ltd | Auckland |
| Harmonic Analytics Ltd | Wellington |
| Harper Digital | Auckland |
| Hart Design | Auckland |
| Harvey Norman | |
| Hastings HIVE NZ | |
| Hawkes Bay Angel Investment Group | Hawke's Bay |
| HB Technologies | |
| Headlesshost | |
| Headway Systems Ltd | Canterbury |
| Health Informatics New Zealand | Auckland |
| HealthSoft Ltd | Auckland |
| Healthtech Week | Auckland |
| Helix Computer Services Ltd | Auckland |
| Hello Web Ltd | Auckland |
| Helm Business Information Solutions Ltd | |
| Henderson computers | Auckland |