| Plan-B Ltd | Auckland |
| Planet Earth Software | |
| Platinum Recruitment | |
| Plato Creative | |
| Plato Health Systems Ltd | Auckland |
| Plink Ltd | |
| Plus Factor Group Ltd | Canterbury |
| Pluto Networks Ltd | Otago |
| Plymouth Web Designers Ltd | |
| PocketSmith Ltd | Otago |
| PocketWeb Ltd | |
| PogoStick | |
| Point Zero Ltd | Auckland |
| POLipay | Auckland |
| Polychrome Ltd | Auckland |
| PolyNatural | |
| Portainer | Auckland |
| Positive People Ltd | Auckland |
| Positive Systems | |
| POSperfect | Auckland |
| Power Business Services | Auckland |
| PowerMedia | Auckland |
| Practiv | Auckland |
| Precedent | |
| Precision Chromatography Ltd | |
| Premium SEO NZ | Auckland |
| Priceme | Auckland |
| Primal Media Ltd | Auckland |
| PRIME Business Software | Auckland |
| Prime IT Ltd | |
| PRIMER-E Ltd | Auckland |
| Primo Digital | Auckland |
| PrimoWireless | Taranaki |
| Printer Repairs & Clean Ltd | Auckland |
| PrinterFuel Ltd | Waikato |
| Pro Computer Services | Auckland |
| Pro-Dev | |
| Probe Software Ltd | Waikato |
| Problogger.net | Auckland |
| Procase NZ Ltd | Auckland |
| ProcessIT Ltd | Hawke's Bay |
| Prodigi | |
| Production Software Ltd | Canterbury |
| Professional CAD Systems Ltd | Waikato |
| Professional Computer Solutions Ltd | |
| Professional Development Ltd | Manawatu-Wanganui |
| Professional Web Solutions | Marlborough |
| Profix Electronics | Auckland |
| Proformac Technologies | Taranaki |
| Programmed NZ | |