| NZ RURAL DIRECTIONS LIMITED | Registered | NZ Limited Company | 5660647 | government contract suppliers |
| NZ Safety Blackwoods | Unknown | - | - | government contract suppliers |
| NZ STRONG GROUP LIMITED | Registered | NZ Limited Company | 2018436 | government contract suppliers |
| NZ STRUCTURES (2021) LIMITED | Registered | NZ Limited Company | 8028216 | government contract suppliers |
| NZ TRACKWORKS LIMITED | Removed | NZ Limited Company | 5966829 | government contract suppliers |
| NZ Wind Farms | Unknown | - | - | councillor interest |
| NZ WINDFARMS LIMITED | Registered | NZ Limited Company | 1231708 | councillor interest |
| NZ World Peace Bell Association | Unknown | - | - | councillor interest |
| NZBTC | Unknown | - | - | government contract suppliers |
| NZCBE Pacific | Unknown | - | - | government contract suppliers |
| NZCER | Unknown | - | - | government contract suppliers |
| NZCOM (New Zealand College of Midwives) | Unknown | - | - | government contract suppliers |
| NZCS OPERATIONS LIMITED | Removed | - | - | |
| NZCT LIMITED | Registered | - | - | |
| NZFESL LIMITED | Registered | NZ Limited Company | 5791287 | councillor interest |
| NZFM (2022) GENERAL PARTNER LIMITED | Registered | NZ Limited Company | 8241587 | government contract suppliers |
| NZIDT LIMITED | Registered | NZ Limited Company | 4429638 | councillor interest |
| NZIER | Unknown | - | - | government contract suppliers |
| NZME Auckland Special Children's Christmas Party | Unknown | - | - | corporate donations |
| NZME EDUCATIONAL MEDIA LIMITED | Registered | NZ Limited Company | 90246 | government contract suppliers |
| NZME LIMITED | Registered | NZ Limited Company | 1181195 | government contract suppliers |
| NZMS (New Zealand Micrographic Services Ltd) | Unknown | - | - | government contract suppliers |
| NZPPI | Unknown | - | - | kanoa recipients |
| NZRSA | Unknown | - | - | corporate donations |
| NZWDG | Unknown | - | - | iwi subsidiaries |
| NZWRI at Auckland University of Technology | Unknown | - | - | government contract suppliers |
| NZX LIMITED | Unknown | - | - | nzbn trace |
| NZX LIMITED | Removed | NZ Limited Company | 1034236 | mp interest |
| NZX WEALTH TECHNOLOGIES LIMITED | Registered | NZ Limited Company | 5885287 | government contract suppliers |
| O'CONNELL STREET LIMITED | Registered | NZ Limited Company | 7891567 | councillor interest |
| O'CONNOR CROSSROADS LIMITED | Registered | - | - | |
| O’Connor Home Trust | Unknown | - | - | mp interest |
| O’Conor Home Memorial Trust | Unknown | - | - | mp interest |
| O’Conor Home Trust | Unknown | - | - | mp interest |
| O'KANE COUNSELLING AND PSYCHOTHERAPY SERVICE LIMITED | Registered | NZ Limited Company | 7475696 | government contract suppliers |
| O'NEILL CONTRACTING LIMITED | Registered | NZ Limited Company | 5558788 | government contract suppliers |
| O'ROURKE SONS SAFE TREE LIMITED | Registered | NZ Limited Company | 7438120 | government contract suppliers |
| O&M Halyard Australia Pty Ltd | Unknown | - | - | government contract suppliers |
| OAK TREE FARM LIMITED | Removed | NZ Limited Company | 1200639 | councillor interest |
| OAKLEY GRAY ARCHITECTS LIMITED | Registered | NZ Limited Company | 837232 | government contract suppliers |
| OAMARU FARMERS SALEYARDS COMPANY LIMITED | Registered | NZ Limited Company | 143002 | councillor interest |
| OAMARU PACIFIC ISLAND TRUSTEE LIMITED | Registered | NZ Limited Company | 9258474 | councillor interest |
| Oamaru Penguin Colony | Unknown | - | - | kanoa recipients |
| Oamaru Surf L.T.D. | Unknown | - | - | councillor interest |
| Oamaru Surf Ltd, Sport Waitaki, Valley Sports Club, St Kevin's College Netball | Unknown | - | - | councillor interest |
| Oamaru Tongan Methodist Parish | Unknown | - | - | kanoa recipients |
| OASIS PROPERTY HOLDINGS LIMITED | Registered | NZ Limited Company | 6673233 | government contract suppliers |
| OBELISK RD HOLDINGS LIMITED | Removed | NZ Limited Company | 8556087 | |
| OBEX MEDICAL LIMITED | Registered | NZ Limited Company | 117534 | government contract suppliers |
| OBJECTIVE REGTECH PTY LIMITED | Registered | Overseas ASIC Company | 5494423 | government contract suppliers |