| ACE CARPENTRY NELSON LIMITED | Registered | NZ Limited Company | 6850173 | government contract suppliers |
| ACE CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| 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 |
| ACHARYA ASHRAM NZ | Registered | Charitable Trust | - | charities nzbn sync |
| ACHIEVE - THE NATIONAL POST-SECONDARY EDUCATION DISABILITY NETWORK, NZ, INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ACHIEVEMENT NZ LIMITED | Registered | NZ Limited Company | 338580 | charities nzbn sync |
| ACHIEVING CHANGE FOR CHILDREN CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACHILLES NEW ZEALAND INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ACK CHRISTCHURCH TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK HOWICK CONGREGATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK NORTH SHORE CONGREGATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK ROTORUA CONGREGATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK TAURANGA CONGREGATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK WAIKATO CHURCH TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK WELLINGTON CONGREGATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACK WHANGAREI TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| 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 AUTISM CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACORN FOUNDATION | Registered | - | - | |
| 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 |
| ACORN TRUST OF SOUTH WAIRARAPA BOARD | Registered | Charitable Trust | - | charities nzbn sync |
| ACOS FILLER LIMITED | Registered | NZ Limited Company | 1299109 | kanoa recipients |
| ACOUSTIC ENGINEERING SERVICES LIMITED | Registered | NZ Limited Company | 1779737 | government contract suppliers |
| ACROSS HOLDINGS LIMITED | Registered | NZ Limited Company | 1446644 | charities nzbn sync |
| ACROSS MINISTRIES | Registered | Charitable Trust | - | charities nzbn sync |
| ACROSS PERFORMANCE LIMITED | Registered | NZ Limited Company | 4939119 | councillor interest |
| ACROSS SUPPORTERS TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ACROSS Te Kotahitanga O Te Wairua | Unknown | - | - | government contract suppliers |
| ACROSS-TE KOTAHITANGA O TE WAIRUA | Registered | Charitable Trust | - | charities nzbn sync |
| 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 |
| ACT SAFETY LIMITED | Registered | NZ Limited Company | 1837684 | charities nzbn sync |
| ACTION AID CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| 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 EDUCATION INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ACTION EDUCATIONAL SERVICES LIMITED | Removed | NZ Limited Company | 3446211 | corporate donations |