| ACTION FOREST MANAGEMENT LIMITED | Registered | NZ Limited Company | 1634283 | government contract suppliers |
| ACTION HELICOPTERS LIMITED | Registered | NZ Limited Company | 916217 | government contract suppliers |
| ACTION MANUFACTURING GROUP GP LIMITED | Registered | NZ Limited Company | 3728606 | government contract suppliers |
| ACTION SECURITY AND ELECTRICAL LIMITED | Registered | NZ Limited Company | 1471904 | government contract suppliers |
| ACTIVATE PSYCHOLOGY LIMITED | Registered | NZ Limited Company | 1500522 | government contract suppliers |
| ACTIVE ADVENTURES LIMITED | Registered | NZ Limited Company | 5738790 | kanoa recipients |
| ACTIVE ELECTRO DUNEDIN LIMITED | Registered | NZ Limited Company | 5888807 | government contract suppliers |
| ACTIVE HEALTH NZ LIMITED | Registered | NZ Limited Company | 7700556 | government contract suppliers |
| ACTIVE HEALTHCARE (NZ) LIMITED | Registered | NZ Limited Company | 4499502 | government contract suppliers |
| ACTIVE INTERVENTION MANAGEMENT LIMITED | Registered | NZ Limited Company | 1582270 | government contract suppliers |
| Active Ltd | Unknown | - | - | government contract suppliers |
| ACTIVE PLUS LIMITED | Registered | NZ Limited Company | 1988319 | government contract suppliers |
| Active Roofing / Roofing Smiths | Unknown | - | - | government contract suppliers |
| ACTIVE ROOFING LIMITED | In Liquidation | NZ Limited Company | 6359332 | government contract suppliers |
| ACTON FARMERS IRRIGATION CO-OPERATIVE LIMITED | Registered | NZ Co-operative Company | 2345700 | councillor interest |
| Actron Fire Services (A Division of Hutchwilco Limited) | Unknown | - | - | government contract suppliers |
| ACTs Churches Trust | Registered | Charitable Trust | - | councillor interest |
| ACUCUT LIMITED | Registered | NZ Limited Company | 5721773 | kanoa recipients |
| ACUME LIMITED | Registered | NZ Limited Company | 8245475 | government contract suppliers |
| ACUMEN APPLIED LIMITED | Registered | NZ Limited Company | 1240115 | councillor interest |
| ACUMEN CONSULTING (WGTN) LIMITED | Registered | NZ Limited Company | 1971578 | government contract suppliers |
| ACUMEN CONSULTING LIMITED | Removed | NZ Limited Company | 498125 | government contract suppliers |
| ACUO LIMITED | Registered | NZ Limited Company | 2508530 | government contract suppliers |
| ACUSENSUS NZ LIMITED | Registered | NZ Limited Company | 9287251 | government contract suppliers |
| AD Clarke Construction Ltd (t/a Clarke and Haack Construction) | Unknown | - | - | government contract suppliers |
| ADA NEW ZEALAND LIMITED | Registered | NZ Limited Company | 8190744 | government contract suppliers |
| Adam Gatley | Unknown | - | - | government contract suppliers |
| 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 Whakatipu Charitable Trust | Registered | Trust | - | councillor interest |
| 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 |
| Ade Beech Arts Therapy | Unknown | - | - | government contract suppliers |
| 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 |
| Adilam Technologies | Removed | NZ Limited Company | - | government contract suppliers |
| 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 |
| ADT SECURITY LIMITED | Registered | NZ Limited Company | 16540 | government contract suppliers |
| Adult and Community Education Aotearoa | Registered | Incorporated Society | - | councillor interest |
| 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 |