| ETC Computers Ltd | Auckland |
| eTheory | Manawatu-Wanganui |
| eTraffic Web Marketing | |
| Euclidean Nerds Ltd | Auckland |
| Even Capital | |
| Everest Electronics | |
| Evolution Wireless | |
| Evolve Marketing Ltd | Auckland |
| Excel Solutions | Auckland |
| Excellent Software Ltd | Auckland |
| eXe | Auckland |
| Executive Support NZ Ltd | |
| Exeed Ltd | Auckland |
| Exodesk | Canterbury |
| Expert IT Solutions Ltd | Canterbury |
| EXPIO Communications Ltd | Auckland |
| Extraorder | Auckland |
| ExtremePC | Auckland |
| Eyede Solutions | Auckland |
| Eyemagnet Ltd | Wellington |
| EYESIS design | Auckland |
| EZE.business | |
| EzibuildPRO | Auckland |
| Ezicheq | |
| EziKiwi | Wellington |
| Ezitxt | |
| EzPSA Ltd | |
| Ezyfinder Web Design | |
| Fabric Digital | Auckland |
| Fahrenheit Collective | Wellington |
| FamilyMoment | Auckland |
| Far North Networks | |
| Farco Technologies Ltd | Canterbury |
| Farm Focus | Wellington |
| Farmax Ltd | Waikato |
| Fast Talk Communications Ltd | Canterbury |
| FastBase | Wellington |
| Fastcom Ltd | |
| Fatweb | Canterbury |
| FatWeb | |
| FBI Security Systems Ltd | Canterbury |
| FDS Ltd | Auckland |
| FeatureIT Ltd | |
| Fergus | |
| Fieldpine | Wellington |
| Fierce Systems | Wellington |
| Filament Ltd | Wellington |
| FileInvite Ltd | Auckland |
| Financial Dispute Resolution Service | |
| Financial Markets Authority | |