| ACATIS Investment | Unknown | - | - | fund managers |
| Accelerate 25 Lead Team | Unknown | - | - | councillor interest |
| Accelerate, AMP Unit Trust | Unknown | - | - | mp interest |
| ACCENT CONSTRUCTION LIMITED | Registered | NZ Limited Company | 3120685 | government contract suppliers |
| ACCENTURE NZ LIMITED | Registered | NZ Limited Company | 1138352 | government contract suppliers |
| ACCENTURE NZ LIMITEDc | Unknown | - | - | government contract suppliers |
| Access & Inclusion | Unknown | - | - | councillor interest |
| ACCESS ADVISORS LIMITED | Registered | NZ Limited Company | 9020650 | government contract suppliers |
| ACCESS ASSOCIATES (CHCH) LIMITED | Registered | NZ Limited Company | 5327921 | government contract suppliers |
| ACCESS COMMUNITY HEALTH LIMITED | Registered | NZ Limited Company | 1190930 | government contract suppliers |
| Access Innovation Media Pty Ltd | Unknown | - | - | government contract suppliers |
| ACCESS IR GROUP LIMITED | Registered | NZ Limited Company | 5254221 | government contract suppliers |
| ACCESS NZ 2005 LIMITED | Registered | NZ Limited Company | 1672011 | government contract suppliers |
| Access Partners in Property | Unknown | - | - | government contract suppliers |
| ACCESSIBLE PROPERTIES NEW ZEALAND LIMITED | Registered | NZ Limited Company | 2480748 | councillor interest |
| Accident Compensation Corporation | Registered | Central Government | - | fund managers |
| ACCOMPLISH VOCATIONAL SERVICES LIMITED | Registered | NZ Limited Company | 1756820 | government contract suppliers |
| ACCOR AUSTRALIA & NEW ZEALAND HOSPITALITY PTY LIMITED | Registered | Overseas ASIC Company | 849992 | government contract suppliers |
| ACCOR LIMITED | Removed | NZ Limited Company | 5504528 | government contract suppliers |
| ACCORDANT GROUP LIMITED | Registered | NZ Limited Company | 1595154 | government contract suppliers |
| Accredited Technology (ATEC) Ltd | Unknown | - | - | government contract suppliers |
| ACCURATE CONSULTING LIMITED | Registered | NZ Limited Company | 5941509 | government contract suppliers |
| ACE CARPENTRY LIMITED | Registered | NZ Limited Company | 6226788 | government contract suppliers |
| ACE CARPENTRY NELSON LIMITED | Registered | NZ Limited Company | 6850173 | government contract suppliers |
| ACE CONSULTING LIMITED | Removed | NZ Limited Company | 1260362 | government contract suppliers |
| ACE ELECTRICAL SERVICES LIMITED | Registered | NZ Limited Company | 1033710 | government contract suppliers |
| ACE ELECTRICS GROUP LIMITED | Registered | NZ Limited Company | 7868876 | government contract suppliers |
| ACE OF SPADES CONTRACTING LIMITED | Registered | NZ Limited Company | 7775036 | government contract suppliers |
| Aceso Healthcare Ltd | Unknown | - | - | government contract suppliers |
| ACKAMA NZ LIMITED | Registered | NZ Limited Company | 3076526 | government contract suppliers |
| ACL Communications Ltd | Unknown | - | - | government contract suppliers |
| ACM NEW ZEALAND LIMITED | In Liquidation | NZ Limited Company | 2194349 | government contract suppliers |
| ACME MECHANICAL SERVICES LIMITED | Registered | NZ Limited Company | 5844153 | councillor interest |
| Acme Mechanical Services Ltd, Baygold Ltd, Zespri, Eastpack Ltd | Unknown | - | - | councillor interest |
| ACORE GROUP LIMITED | Registered | NZ Limited Company | 5898627 | government contract suppliers |
| ACORN MANUFACTURING GROUP LIMITED | Registered | NZ Limited Company | 1556994 | government contract suppliers |
| ACORN PSYCHOLOGY LIMITED | Registered | NZ Limited Company | 8430623 | government contract suppliers |
| Acorn Scientific Ltd | Unknown | - | - | government contract suppliers |
| ACOS FILLER LIMITED | Registered | NZ Limited Company | 1299109 | kanoa recipients |
| ACOUSTIC ENGINEERING SERVICES LIMITED | Registered | NZ Limited Company | 1779737 | government contract suppliers |
| ACROSS PERFORMANCE LIMITED | Registered | NZ Limited Company | 4939119 | councillor interest |
| ACROSS Te Kotahitanga O Te Wairua | Unknown | - | - | government contract suppliers |
| ACROW LIMITED | Registered | NZ Limited Company | 1008350 | kanoa recipients |
| ACSDATA LIMITED | Registered | NZ Limited Company | 6235751 | government contract suppliers |
| ACSL GROUP LIMITED | Registered | NZ Limited Company | 6842237 | government contract suppliers |
| ACTION ALLTRADES LIMITED | Registered | NZ Limited Company | 2342947 | government contract suppliers |
| ACTION BOB CATS LIMITED | Registered | NZ Limited Company | 1533186 | government contract suppliers |
| ACTION CIVIL LIMITED | Registered | NZ Limited Company | 469734 | government contract suppliers |
| ACTION EDUCATIONAL SERVICES LIMITED | Removed | NZ Limited Company | 3446211 | corporate donations |
| ACTION ENGINEERING LIMITED | Removed | NZ Limited Company | 244310 | government contract suppliers |