| Graphic Edge Ltd | Auckland |
| Gravitate | Auckland |
| Great Outcomes | Auckland |
| Green Light Services | Auckland |
| Green Mouse | Waikato |
| GreenRockSoftware.com | Tasman |
| GridAKL | Auckland |
| GTB IT Solutions | Wellington |
| GuestTraction | Wellington |
| Gumboot.com | Otago |
| 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 |
| Hard Drive System Ltd | Auckland |
| Harmonic | Wellington |
| Harper Digital | Auckland |
| Hart Design | Auckland |
| Hawkes Bay Angel Investment Group | Hawke's Bay |
| Headway Systems Ltd | Canterbury |
| Health Informatics New Zealand | Auckland |
| HealthSoft Ltd | Auckland |
| Healthtech Week | Auckland |
| Heartland Bank | |
| Helius Therapeutics | |
| Helix Computer Services Ltd | Auckland |
| Hello Web Ltd | Auckland |
| Henderson computers | Auckland |
| Hitech Solutions Ltd | Auckland |
| Hnry | Wellington |
| Hodgeman Web Design Ltd | Bay of Plenty |
| Hoist Apps Ltd | Wellington |
| Hospitality Internet | Auckland |
| Hosting Direct Ltd | Auckland |
| Hot Mustard Ltd | Auckland |
| Hotcode Designs Ltd | Canterbury |
| Hothouse Creative | Nelson |
| Houston | Waikato |
| HP New Zealand | Auckland |
| HR Associate | Auckland |
| HR Connect Ltd | Waikato |
| HSBC New Zealand | Auckland |
| Hunter Group Ltd | Auckland |
| Husk Creative | Auckland |
| Hyper Digital | Hawke's Bay |
| Hypercube | Otago |
| Hyperlink Ltd | Wellington |