| ASSISTANCE DOGS NEW ZEALAND | Registered | Charitable Trust | - | charities nzbn sync |
| ASSISTIVE TECHNOLOGY ALLIANCE NEW ZEALAND TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASSOCIATED NEW ZEALAND MYALGIC ENCEPHALOMYELITIS SOCIETY INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATED THERAPISTS BAY OF PLENTY LIMITED | Registered | NZ Limited Company | 9293816 | government contract suppliers |
| ASSOCIATION OF BLIND CITIZENS OF NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF CAMBRIDGE SCHOOLS IN NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF CHAMPAGNAT MARISTS | Registered | Charitable Trust | - | charities nzbn sync |
| ASSOCIATION OF FRIENDS OF POLYNESIA CHRISTCHURCH INCORPORATED | Removed | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF LOCAL GOVERNMENT INFORMATION MANAGEMENT INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF LOCAL GOVERNMENT RATING NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF NEW ZEALAND EMBROIDERERS GUILDS INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF NIGERIANS IN NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF SCHOOL BUSINESS ADMINISTRATORS (NEW ZEALAND) INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSOCIATION OF THE FRIENDS OF KINGS COLLEGE INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASSUMPTIONIST FATHERS TRUST BOARD | Registered | Charitable Trust | - | charities nzbn sync |
| Assura Software Limited | Unknown | - | - | government contract suppliers |
| ASSURITY CONSULTING LIMITED | Registered | NZ Limited Company | 1652082 | government contract suppliers |
| ASSURITY STAFF CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AST Space Mobile | Unknown | - | - | councillor interest |
| AST Space Mobile, Rocket Lab | Unknown | - | - | councillor interest |
| ASTECH SRS LIMITED | Registered | NZ Limited Company | 1917987 | government contract suppliers |
| ASTHMA & RESPIRATORY HAWKE'S BAY FOUNDATION | Registered | Charitable Trust | - | charities nzbn sync |
| ASTHMA & RESPIRATORY HAWKE'S BAY SERVICES TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASTHMA & RESPIRATORY SERVICES (WAIKATO) INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASTHMA AND RESPIRATORY MANAGEMENT BOP INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASTHMA NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASTILLEROS ARMON VIGO, S.A. | Unknown | - | - | government contract suppliers |
| ASTLEY CONSTRUCTION LIMITED | Registered | NZ Limited Company | 6257856 | government contract suppliers |
| ASTRONOMY NEW ZEALAND LIMITED | Registered | NZ Limited Company | 1037809 | charities nzbn sync |
| Astrulab | Unknown | - | - | councillor interest |
| ASTUDA TRUSTEE CO LIMITED | Registered | NZ Limited Company | 8326147 | councillor interest |
| ASTURLAB CULTURAL CENTRE | Registered | Charitable Trust | - | charities nzbn sync |
| ASUREQUALITY LIMITED | Registered | NZ Limited Company | 926582 | government contract suppliers |
| AT TAQWA TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| AT THERAPY LIMITED | Registered | NZ Limited Company | 6218248 | government contract suppliers |
| AT TWENTYEIGHT JELLICOE LIMITED | Registered | NZ Limited Company | 1386261 | |
| ATA LIMITED | Removed | NZ Limited Company | 1265315 | government contract suppliers |
| Ataccama | Unknown | - | - | government contract suppliers |
| ATAFU TOKELAU COMMUNITY GROUP INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ATAMAI SERVICES LIMITED | Registered | - | - | |
| ATAMIRA DANCE COLLECTIVE CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Atamu EFKS Porirua Incorporated | Registered | Incorporated Society | - | government contract suppliers |
| ATAWHAI CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ATAWHAI INDUSTRIES TRUST | Registered | Charitable Trust | - | government contract suppliers |
| ATAWHAI INTERACTIVE TAPUI LIMITED | Registered | - | - | |
| Ātea a Rangi Educational Trust | Registered | Charitable Trust | - | corporate donations |
| ATECO AUTOMOTIVE N.Z. LIMITED | Registered | NZ Limited Company | 1080345 | government contract suppliers |
| ATECO GROUP NZ LIMITED | Registered | NZ Limited Company | 4212860 | government contract suppliers |
| Ateco Group NZ Ltd via Neville Crichton | Unknown | - | - | political donors |
| Athenree Action Group | Unknown | - | - | councillor interest |