| AURIPO HOLDINGS LIMITED | Registered | NZ Limited Company | 1159311 | councillor interest |
| Aurora BioScience Pty Ltd | Unknown | - | - | government contract suppliers |
| AURORA CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AURORA COLLECTIVE INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| AURORA ENERGY LIMITED | Registered | NZ Limited Company | 471661 | councillor interest |
| AURORA FAMILY TRUSTEE LIMITED | Registered | NZ Limited Company | 9172640 | councillor interest |
| AURORA FINANCIALS LIMITED | Registered | NZ Limited Company | 2406222 | charity service providers |
| AUSC INC | Registered | Incorporated Society | - | charities nzbn sync |
| Auscap Asset Management | Unknown | - | - | fund managers |
| AUSTCO COMMUNICATIONS (N.Z) LIMITED | Registered | NZ Limited Company | 1427667 | government contract suppliers |
| AUSTRALASIAN CORROSION ASSOCIATION NZ BRANCH INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| AUSTRALASIAN WINTER CONFERENCE ON BRAIN RESEARCH SOCIETY INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| Australia Engineering Solutions Pty Ltd | Unknown | - | - | government contract suppliers |
| AUSTRALIAN AND NEW ZEALAND ARMY CORPS MOUNTED TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUSTRALIAN AND NEW ZEALAND ASSOCIATION OF CLINICAL ANATOMISTS INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| AUSTRALIAN AND NEW ZEALAND ASSOCIATION OF PSYCHIATRY PSYCHOLOGY AND LAW (NEWZEALAND) BRANCH INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| AUSTRALIAN AND NEW ZEALAND CULTURAL ARTS LIMITED | Registered | Overseas ASIC Company | - | charities nzbn sync |
| AUSTRALIAN HEALTH 888 (NEW ZEALAND) LIMITED | Registered | NZ Limited Company | 8329620 | government contract suppliers |
| Australian Rally Championship (ARC) | Unknown | - | - | corporate donations |
| Australian Spatial Analytics (ASA) | Unknown | - | - | corporate donations |
| AustralianSuper | Unknown | - | - | fund managers |
| Australis Specialist Pain Clinic | Registered | NZ Limited Company | - | government contract suppliers |
| Ausvet Pty Ltd | Unknown | - | - | government contract suppliers |
| AUT MILLENNIUM TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTEX INDUSTRIES LIMITED | Registered | NZ Limited Company | 79343 | government contract suppliers |
| AUTHENTICITY AOTEAROA | Registered | Charitable Trust | - | charities nzbn sync |
| Authur D Riley Co Ltd | Unknown | - | - | government contract suppliers |
| AUTISM CHARITABLE TRUST BOARD | Registered | Charitable Trust | - | charities nzbn sync |
| AUTISM CONNEX TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTISM EDEN TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTISM EXPERIENCES WELLINGTON TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTISM NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| AUTISM PARTNERSHIP (NEW ZEALAND) LIMITED | Removed | NZ Limited Company | 1878794 | government contract suppliers |
| AUTISM WAIRARAPA CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTISTIC COLLABORATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTISTIC SPECTRUM INTERVENTION SUPPORT TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AUTO DISTRIBUTORS NEW ZEALAND LIMITED | Registered | NZ Limited Company | 6254828 | government contract suppliers |
| AUTO STEWARDSHIP NEW ZEALAND | Registered | Charitable Trust | - | charities nzbn sync |
| AUTOGROOM CAR VALET SERVICES LIMITED | Registered | NZ Limited Company | 2107956 | councillor interest |
| AUTOMATIC FIRE ALARM MONITORING LIMITED | Registered | NZ Limited Company | 1745332 | government contract suppliers |
| AUTOMATION GROUP LIMITED | Registered | NZ Limited Company | 6213096 | government contract suppliers |
| AUTOMATION WORKS NZ LIMITED | Registered | NZ Limited Company | 5604769 | government contract suppliers |
| AUTOMOTIVE SOLUTIONS LIMITED | Registered | NZ Limited Company | 1046776 | councillor interest |
| AutoRabit | Unknown | - | - | government contract suppliers |
| Autostop Arctic Ltd. | Unknown | - | - | councillor interest |
| Autostop Baltic Ltd. | Unknown | - | - | councillor interest |
| Autostop Caspian Ltd. | Unknown | - | - | councillor interest |
| Autostop Group Ltd. | Unknown | - | - | councillor interest |
| Autostop Holdings Ltd. | Unknown | - | - | councillor interest |
| Autostop Motors Ltd. | Unknown | - | - | councillor interest |