| ARTHUR BURNS PRESCHOOL INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| Arthur D Riley & Co Ltd | Unknown | - | - | government contract suppliers |
| ARTHUR D. RILEY AND COMPANY LIMITED | Registered | NZ Limited Company | 32320 | government contract suppliers |
| ARTHUR HOPWOOD CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Arthur McCauley Bulwer Trust | Unknown | - | - | councillor interest |
| ARTHURS PASS ASSOCIATION INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ARTHURS PASS OUTDOOR EDUCATION CENTRE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTHURS PASS WILDLIFE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Arthurs Point Community Association | Registered | Incorporated Society | - | councillor interest |
| ARTISTS AGAINST SLAVERY | Registered | Charitable Trust | - | charities nzbn sync |
| ARTISTS OPEN STUDIOS WHANGANUI TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTMAKERS COMMUNITY ARTISTS TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTO ARCHITECTS LIMITED | Removed | NZ Limited Company | 6887173 | government contract suppliers |
| ARTS ACCESS AOTEAROA WHAKAHAUHAU KATOA O HANGA CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTS AND LANGUAGE INTERNATIONAL TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTS CANTERBURY INCORPORATED | Registered | Charitable Trust | - | charities nzbn sync |
| Arts Centre Melbourne | Unknown | - | - | corporate donations |
| ARTS CONNECTIONS OCEANIA | Registered | Charitable Trust | - | charities nzbn sync |
| ARTS FESTIVAL TARANAKI CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTS FOR HEALTH COMMUNITY TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTS FOUNDATION OF NEW ZEALAND | Registered | Charitable Trust | - | charities nzbn sync |
| ARTS INC. HERETAUNGA INCORPORATED | Removed | Incorporated Society | - | charities nzbn sync |
| Arts Integrated Trust | Registered | Trust | - | charities nzbn sync |
| Arts Murihiku | Registered | Charitable Trust | - | councillor interest |
| Arts on Tour New Zealand | Registered | Charitable Trust | - | councillor interest |
| ARTS REGIONAL TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTSPACE (AOTEAROA) TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ARTSXL CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Arturo Trust | Unknown | - | - | councillor interest |
| Aruba - a Hewlett-Packard Enterprise Company | Unknown | - | - | government contract suppliers |
| ARUP NEW ZEALAND LIMITED | Registered | NZ Limited Company | 830254 | government contract suppliers |
| ARYA SAMAJ PRATINIDHI SABHA NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| AS-HABUL QURAN WASUNNAH ASSOCIATION (AQWA) | Registered | Charitable Trust | - | charities nzbn sync |
| AS1 LIMITED | Registered | NZ Limited Company | 1553951 | government contract suppliers |
| ASA FOUNDATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASALEO CARE LIMITED | Registered | NZ Limited Company | 3674253 | government contract suppliers |
| ASAP CONTRACTING LIMITED | Registered | NZ Limited Company | 2444009 | government contract suppliers |
| ASB BANK LIMITED | Registered | NZ Limited Company | 398445 | government contract suppliers |
| ASB GROUP INVESTMENTS LIMITED | Registered | - | - | |
| ASB Investment Management | Unknown | - | - | fund managers |
| ASBESTOS REMOVAL TECHNICIANS LIMITED | Registered | NZ Limited Company | 6043938 | government contract suppliers |
| ASBESTOS SOLUTIONS LIMITED | Removed | NZ Limited Company | 1500255 | government contract suppliers |
| ASBESTOS SURVEYS & MONITORING NZ LIMITED | Registered | NZ Limited Company | 6417712 | government contract suppliers |
| ASBUILT LIMITED | Removed | NZ Limited Company | 1291757 | government contract suppliers |
| ASC ARCHITECTS LIMITED | Registered | NZ Limited Company | 113208 | government contract suppliers |
| ASCENDE GLOBAL TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASCENSION CHURCH TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASD KIDS COMMUNITY CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASERT - TATOU DEVELOPMENT TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASHBURN HALL CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |