| Attitude Awards Trust | Registered | Charitable Trust | - | mp interest |
| ATTURRA NZ LIMITED | Registered | NZ Limited Company | 952616 | government contract suppliers |
| AU CONSULTING LIMITED | Registered | NZ Limited Company | 8102617 | government contract suppliers |
| Auckland Airport Community Trust | Registered | Charitable Trust | - | corporate donations |
| AUCKLAND AIRPORT LIMITED | Registered | NZ Limited Company | 1956690 | councillor interest |
| Auckland Central Sports Trust | Registered | Charitable Trust | - | government contract suppliers |
| AUCKLAND CITY BMW LIMITED | Registered | NZ Limited Company | 80720 | political donors |
| AUCKLAND CITY MISSION HOUSING LIMITED | Registered | NZ Limited Company | 6180256 | corporate donations |
| Auckland City Surgical Centre | Unknown | - | - | government contract suppliers |
| AUCKLAND CIVIL LIMITED | Registered | NZ Limited Company | 566511 | government contract suppliers |
| Auckland Co-operative Taxi Society Limited | Registered | Industrial & Provident Society | - | government contract suppliers |
| AUCKLAND COUNCIL INVESTMENTS LIMITED | Removed | NZ Limited Company | 3089629 | government contract suppliers |
| Auckland District Health Board | Registered | Central Government | - | government contract suppliers |
| AUCKLAND EYE LIMITED | Registered | NZ Limited Company | 867407 | government contract suppliers |
| Auckland Football Club (AFC) | Unknown | - | - | corporate donations |
| AUCKLAND GLASS HOLDINGS LIMITED | Registered | NZ Limited Company | 7047354 | government contract suppliers |
| AUCKLAND INTERNATIONAL AIRPORT LIMITED | Registered | NZ Limited Company | 380357 | councillor interest |
| Auckland Kindergarten Association | Registered | Charitable Trust | - | government contract suppliers |
| Auckland Laboratory | Unknown | - | - | government contract suppliers |
| AUCKLAND ONE RAIL LIMITED | Registered | NZ Limited Company | 1488417 | government contract suppliers |
| AUCKLAND PRIVATE LAUNDRY LIMITED | Registered | NZ Limited Company | 2255344 | government contract suppliers |
| AUCKLAND PSYCHOTHERAPY SERVICES LIMITED | Registered | NZ Limited Company | 7363896 | government contract suppliers |
| Auckland Regional Chamber of Commerce & Industry Inc | Unknown | - | - | government contract suppliers |
| Auckland Rescue Helicopter Trust | Registered | Charitable Trust | - | corporate donations |
| AUCKLAND RESTORATIVE JUSTICE TRUST | Registered | Charitable Trust | - | government contract suppliers |
| AUCKLAND ROOFING GROUP LIMITED | Registered | NZ Limited Company | 6378493 | government contract suppliers |
| Auckland Sexual Abuse Help Foundation Trust | Registered | Charitable Trust | - | government contract suppliers |
| Auckland System Management (ASM) | Unknown | - | - | government contract suppliers |
| Auckland UniServices and Massey University | Unknown | - | - | government contract suppliers |
| AUCKLAND UNISERVICES LIMITED | Registered | NZ Limited Company | 373821 | government contract suppliers |
| Auckland University of Technology | Registered | Education | - | government contract suppliers |
| Auckland University of Technology (AUT) | Unknown | - | - | government contract suppliers |
| Auckland Zoo (Auckland Unlimited Limited) | Unknown | - | - | government contract suppliers |
| AuCon Electronics | Unknown | - | - | councillor interest |
| AUDIO VIDEO CONSULTING GROUP LIMITED | Registered | NZ Limited Company | 1629118 | government contract suppliers |
| Audit & Risk Committee | Unknown | - | - | councillor interest |
| Audit and Risk Committee | Unknown | - | - | councillor interest |
| Audit Dashboard Inc. | Unknown | - | - | government contract suppliers |
| AUDIT NEW ZEALAND LIMITED | Removed | NZ Limited Company | 567973 | charity service providers |
| AUDIT PROFESSIONALS LIMITED | Registered | NZ Limited Company | 5200661 | charity service providers |
| Audmet Australia Pty Ltd trading as Sonic Innovations | Unknown | - | - | government contract suppliers |
| AUGMENT RESOURCES (NZ) LIMITED | Registered | NZ Limited Company | 6906953 | government contract suppliers |
| Augmentium Management Advisory | Unknown | - | - | government contract suppliers |
| Augusto Ltd | Unknown | - | - | government contract suppliers |
| AUKAHA (1997) LIMITED | Registered | NZ Limited Company | 885623 | kanoa recipientsgovernment contract suppliers |
| AULD BREWER MAZENGARB & MCEWEN LIMITED | Registered | NZ Limited Company | 1960905 | government contract suppliers |
| AULDHOUSE COMPUTER TRAINING LIMITED | Registered | NZ Limited Company | 4647800 | government contract suppliers |
| Aurecon Group NZ limited | Unknown | - | - | government contract suppliers |
| Aurecon New Zeland Limited | Unknown | - | - | government contract suppliers |
| Aurecon NZ Ltd | Unknown | - | - | government contract suppliers |
