| Ashley River Care Group | Unknown | - | - | councillor interest |
| Ashley Rubenstein | Unknown | - | - | government contract suppliers |
| ASHLEY-RAKAHURI RIVERCARE GROUP INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASHRAM YOGA LIMITED | Registered | NZ Limited Company | 209219 | charities nzbn sync |
| ASHTON MITCHELL LIMITED | Registered | NZ Limited Company | 5015020 | government contract suppliers |
| ASI SOLUTIONS LIMITED | Registered | NZ Limited Company | 4722339 | government contract suppliers |
| ASIA EVANGELISTIC FELLOWSHIP (NZ) | Registered | Charitable Trust | - | charities nzbn sync |
| ASIA FILM FESTIVAL AOTEAROA TRUST BOARD | Registered | Charitable Trust | - | charities nzbn sync |
| ASIA HARVEST TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Asia New Zealand Foundation | Registered | Central Government | - | councillor interest |
| ASIA PACIFIC FORUM INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| Asia Pacific Healthcare Group | Unknown | - | - | government contract suppliers |
| ASIA THEOLOGICAL RESEARCH AND DEVELOPMENT (NZ) TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Asia-Pacific Cultural Education Trust | Unknown | - | - | mp interest |
| ASIAN COMMUNITY TRANSFORMATION TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN COUNCIL ON REDUCING CRIME CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN FAMILY ASSISTANCE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN FAMILY SERVICES LIMITED | Registered | NZ Limited Company | 3182606 | charities nzbn sync |
| ASIAN HEALTH FOUNDATION OF NEW ZEALAND | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN HELP AND EDUCATION CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN LIBRARY TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN OUTREACH TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN PACIFIC CHARITY TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASIAN PACIFIC COPYRIGHT ASSOCIATION INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASIAN SAFETY EDUCATION AND PROMOTION CHARITABLE TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASJ Property Consultancy | Unknown | - | - | government contract suppliers |
| AskPro Ltd | Unknown | - | - | councillor interest |
| ASKUS IQP COMPLIANCE SPECIALISTS LIMITED | Registered | NZ Limited Company | 9323119 | government contract suppliers |
| ASKYOURTEAM NZ LIMITED | Registered | NZ Limited Company | 5124381 | government contract suppliers |
| ASMUSS FOUNDATION | Registered | Charitable Trust | - | charities nzbn sync |
| ASONA LIMITED | Registered | NZ Limited Company | 1291829 | government contract suppliers |
| ASOR TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASPEC CONSTRUCTION LIMITED | Registered | NZ Limited Company | 315647 | government contract suppliers |
| Aspect Charitable Trust | Unknown | - | - | councillor interest |
| ASPECT FURNITURE HOLDINGS LIMITED | Registered | NZ Limited Company | 9316885 | government contract suppliers |
| ASPECT FURNITURE SYSTEMS LIMITED | Registered | NZ Limited Company | 1795088 | government contract suppliers |
| ASPEN PHARMACARE AUSTRALIA PTY LIMITED | Registered | Overseas ASIC Company | 8147980 | government contract suppliers |
| ASPEQ LIMITED | Registered | NZ Limited Company | 1166910 | government contract suppliers |
| ASPHALT & GENERAL CO LIMITED | Registered | NZ Limited Company | 201732 | government contract suppliers |
| ASPHALT AND CONSTRUCTION HOLDINGS LIMITED | Registered | NZ Limited Company | 8734546 | government contract suppliers |
| ASPIRE CHURCH TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| Aspire-Community Support | Registered | Charitable Trust | - | government contract suppliers |
| ASPIRING ATHLETICS CLUB INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASPIRING AVALANCHE DOGS INCORPORATED | Removed | Incorporated Society | - | charities nzbn sync |
| ASPIRING BEGINNINGS EARLY LEARNING CENTRE INCORPORATED | Removed | Incorporated Society | - | charities nzbn sync |
| ASPIRING BIODIVERSITY TRUST | Registered | Charitable Trust | - | charities nzbn sync |
| ASPIRING GYMSPORTS INCORPORATED | Registered | Incorporated Society | - | charities nzbn sync |
| ASPIRING SAFETY LIMITED | Registered | NZ Limited Company | 2088355 | government contract suppliers |
| ASPLUNDH | Registered | NZ Unlimited Company | 473324 | government contract suppliers |
| ASSC ELECTRICAL AND ENGINEERING LIMITED | Registered | NZ Limited Company | 1975667 | government contract suppliers |