| Adam Stevens Builder | Unknown | - | - | government contract suppliers |
| ADAMS & ADAMS LIMITED | Registered | NZ Limited Company | 1211820 | government contract suppliers |
| ADAMS ARCHITECTS LIMITED | Registered | NZ Limited Company | 5536907 | government contract suppliers |
| ADAPT IQ NZ LIMITED | Registered | NZ Limited Company | 8043863 | government contract suppliers |
| ADAPTABLE CONSULTING LIMITED | Registered | NZ Limited Company | 5780749 | government contract suppliers |
| ADAPTIV INTEGRATION LIMITED | Registered | NZ Limited Company | 2485894 | government contract suppliers |
| ADAPTIVE SNOWSPORTS CANTERBURY INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| Adaptive Snowsports Whakatipu Charitable Trust | Registered | Trust | - | councillor interest |
| ADAPTMTB | Registered | Charitable Trust | - | charities nzbn sync |
| ADARSH SATSANG RAMAYAN MANDALI INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ADC INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ADCO ROOFING LIMITED | Registered | NZ Limited Company | 6466532 | government contract suppliers |
| ADCORP NEW ZEALAND LIMITED | Registered | NZ Limited Company | 874494 | government contract suppliers |
| ADD SPACE LIMITED | Registered | NZ Limited Company | 1883873 | government contract suppliers |
| ADDICTION MENTAL HEALTH PEER SUPPORT SERVICES 101 (AMPSS101) | Registered | Charitable Trust | - | charities nzbn sync |
| ADDICTION PRACTITIONERS' ASSOCIATION AOTEAROA-NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ADDING VALUE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ADDINGTON BUSH SOCIETY INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ADDINGTON COMMUNITY HOUSE INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ADDINGTON HARNESS HALL OF FAME CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ADDINGTON NET INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| Ade Beech Arts Therapy | Unknown | - | - | government contract suppliers |
| ADELAIDE EARLY CHILDHOOD CENTRE INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| Adelaide Sister City Committee | Unknown | - | - | councillor interest |
| Adept Group trading as OSF Digital | Unknown | - | - | government contract suppliers |
| ADHESION SEALING CANTERBURY LIMITED | Registered | NZ Limited Company | 8286540 | government contract suppliers |
| ADHIKAAR AOTEAROA | Registered | Charitable Trust | - | charities nzbn sync |
| ADIDAM TRUST (NEW ZEALAND) | Registered | Charitable Trust | - | charities nzbn sync |
| Adilam Technologies | Removed | NZ Limited Company | - | government contract suppliers |
| ADL LIMITED | Registered | NZ Limited Company | 1366688 | charities nzbn sync |
| Admire Commercial (1986) Limited | Unknown | - | - | government contract suppliers |
| ADN COMMERCIAL LIMITED | Registered | NZ Limited Company | 6090858 | political donors |
| ADOBE SYSTEMS PTY LTD | Removed | Overseas Non-ASIC Company | 936409 | government contract suppliers |
| ADOPTION FIRST STEPS | Registered | Charitable Trust | - | charities nzbn sync |
| ADORERS OF THE SACRED HEART OF JESUS OF MONTMARTRE (BOMBAY) TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ADORERS OF THE SACRED HEART OF JESUS OF MONTMARTRE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ADT SECURITY LIMITED | Registered | NZ Limited Company | 16540 | government contract suppliers |
| ADULLAM HUMANITARIAN AID TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Adult and Community Education Aotearoa | Registered | Incorporated Society | - | councillor interest |
| ADULT CONDUCTIVE EDUCATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ADULT GUARDIANSHIP SERVICES TRUST BOARD | Registered | Charitable Trust | - | charities nzbn sync |
| ADVANCE ASHBURTON COMMUNITY FOUNDATION | Registered | Charitable Trust | - | charities nzbn sync |
| ADVANCE ASHBURTON HOLDINGS LIMITED | Registered | NZ Limited Company | 3708438 | charities nzbn sync |
| ADVANCE BOILER SERVICES (NZ) LIMITED | Registered | NZ Limited Company | 1071013 | government contract suppliers |
| ADVANCE FITNESS (DISTRIBUTION) LIMITED | Registered | NZ Limited Company | 1683720 | government contract suppliers |
| ADVANCE LANDSCAPE SYSTEMS LIMITED | Registered | NZ Limited Company | 7880792 | government contract suppliers |
| ADVANCE MISSIONS TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ADVANCE SPORTS TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Advanced Air Conditioning Ltd | Registered | NZ Limited Company | - | government contract suppliers |
| ADVANCED BUILDING & CONSTRUCTION LIMITED | Removed | NZ Limited Company | 6473113 | government contract suppliers |