| NOVUS CONTRACTING LIMITED | Registered | - | - | |
| NOW NEW ZEALAND LIMITED | Registered | NZ Limited Company | 1221330 | government contract suppliers |
| Nowell's Lake Trust | Unknown | - | - | councillor interest |
| NPCD LIMITED | Removed | NZ Limited Company | 1042318 | iwi subsidiaries |
| NPE-TECH (2021) LIMITED | Registered | NZ Limited Company | 8158345 | government contract suppliers |
| NPGIL | Unknown | - | - | iwi subsidiaries |
| NPH LIMITED | Registered | NZ Limited Company | 4044039 | iwi subsidiaries |
| NPM CONSTRUCTION LIMITED | Registered | NZ Limited Company | 1125305 | government contract suppliers |
| NPO LIMITED | Removed | NZ Limited Company | 1858532 | iwi subsidiaries |
| NRB LIMITED | Registered | NZ Limited Company | 2487009 | government contract suppliers |
| NS6 | Registered | NZ Limited Company | - | councillor interest |
| NSB INFRASTRUCTURE LIMITED | Registered | NZ Limited Company | 162585 | government contract suppliers |
| NSI MANAGEMENT LTD. | Unknown | - | - | political donors |
| NSK OCEANIA LIMITED | Registered | NZ Limited Company | 1853063 | government contract suppliers |
| NSW Schools contract - disability employment wages | Unknown | - | - | corporate donations |
| NTF GROUP LIMITED | Registered | NZ Limited Company | 5878209 | iwi subsidiaries |
| NTFO | Unknown | - | - | iwi subsidiaries |
| NTH CANTERBURY MAINTENANCE LIMITED | Registered | NZ Limited Company | 2151547 | iwi subsidiaries |
| Nth Canterbury Neighbourhood Support | Unknown | - | - | councillor interest |
| NTI NEW ZEALAND LIMITED | Removed | NZ Limited Company | 1738083 | iwi subsidiaries |
| NTP LIMITED | Removed | NZ Limited Company | 1857185 | iwi subsidiaries |
| NTROFI LIMITED | Registered | NZ Limited Company | 2158318 | government contract suppliers |
| NTS (NZ) LIMITED | Registered | NZ Limited Company | 8024665 | iwi subsidiaries |
| NTT DATA SERVICES OPERATIONS B.V. | Removed | Overseas Non-ASIC Company | 6050331 | government contract suppliers |
| NTT LIMITED | Registered | NZ Limited Company | 6284101 | iwi subsidiaries |
| NU-WAY ENERGY (N.Z.) LIMITED | Registered | NZ Limited Company | 132258 | government contract suppliers |
| Nudgee Road Property Trust | Unknown | - | - | mp interest |
| NUFARM LIMITED | Registered | Overseas ASIC Company | 1012655 | councillor interest |
| NUGREEN SOLUTIONS NZ LIMITED | Registered | NZ Limited Company | 5480123 | councillor interest |
| Nuhaka Holdings Limited (Operated by Pine Valley Orchard Ltd) | Unknown | - | - | kanoa recipients |
| NUI INC LIMITED | Registered | NZ Limited Company | 8711349 | councillor interest |
| NUKUHAU CARBON LIMITED | Registered | NZ Limited Company | 2187742 | councillor interest |
| Nukuhau Trustee Limited | Unknown | - | - | councillor interest |
| NULL LIMITED | Removed | NZ Limited Company | 7946097 | government contract suppliers |
| NUMAT GROUP LIMITED | Registered | NZ Limited Company | 3545855 | government contract suppliers |
| Numat Rec | Unknown | - | - | government contract suppliers |
| NUMBER 8 SUBWAY LIMITED | Registered | NZ Limited Company | 4947579 | government contract suppliers |
| NUMECON CONTRACTING LIMITED | Registered | NZ Limited Company | 584823 | government contract suppliers |
| Nurse Maude Association | Registered | Other Public Entity | - | government contract suppliers |
| NURTURE KIDS LIMITED | Registered | NZ Limited Company | 6250991 | government contract suppliers |
| NURTURING HOPE LIMITED | Registered | NZ Limited Company | 5920768 | government contract suppliers |
| NuStar Energy LP | Unknown | - | - | councillor interest |
| Nutech Auckland Limited | Unknown | - | - | government contract suppliers |
| NUTRICOM AUSTRALASIA LTD. | Unknown | - | - | political donors |
| NuVasive Australia & NZ | Unknown | - | - | government contract suppliers |
| NUWAVE IP LIMITED | Registered | NZ Limited Company | 2092041 | councillor interest |
| NUWAVE SOFTWARE LIMITED | Registered | NZ Limited Company | 4386440 | councillor interest |
| NV5 Geospatial Inc. | Unknown | - | - | government contract suppliers |
| NVIDIA Corporation | Unknown | - | - | councillor interest |
| NVIDIA NEW ZEALAND LIMITED | Registered | NZ Limited Company | 8281780 | councillor interest |