| Kia Maia Bicultural Communications | Registered | Partnership | - | government contract suppliers |
| KIA NEW ZEALAND LIMITED | Registered | NZ Limited Company | 1753362 | government contract suppliers |
| KIA PUAWAI LIMITED | Removed | NZ Limited Company | 898667 | government contract suppliers |
| Kickdown Ltd | Unknown | - | - | councillor interest |
| KickStart Breakfasts | Unknown | - | - | corporate donations |
| Kidney Kids | Registered | Incorporated Society | - | corporate donations |
| Kids Big Day Out | Unknown | - | - | corporate donations |
| KIDSCAN INDEPENDENT LIMITED | Registered | NZ Limited Company | 7099713 | corporate donations |
| KidsCan warehouse | Unknown | - | - | corporate donations |
| KIDSCOIN LIMITED | Registered | NZ Limited Company | 5846789 | government contract suppliers |
| Kidz Social Services Charitable Trust | Registered | Charitable Trust | - | government contract suppliers |
| KIERAN OLIVER CONTRACTING LIMITED | Registered | NZ Limited Company | 5686388 | government contract suppliers |
| KIERAN SHANAHAN ARCHITECTS LIMITED | Registered | NZ Limited Company | 1273015 | government contract suppliers |
| KII TAHI LIMITED | Registered | NZ Limited Company | 1624149 | kanoa recipientsgovernment contract suppliers |
| Kilbirnie/Lyall Bay Community Centre | Registered | Incorporated Society | - | councillor interest |
| KILCO LIMITED | Registered | NZ Limited Company | 9337715 | government contract suppliers |
| Kildavaig Trust | Unknown | - | - | councillor interest |
| Kiltearn Partners | Unknown | - | - | fund managers |
| Kiltowahi Trust; Metl family trust | Unknown | - | - | councillor interest |
| KIM THOMAS TRAVEL LIMITED | Registered | NZ Limited Company | 2276787 | |
| KIMBERLEY TRUST INVESTMENTS LIMITED | Registered | NZ Limited Company | 5863470 | mp interest |
| Kimberley Trust Ongoing Commission Received From Insurance for Good, Arising From Previous Role | Unknown | - | - | mp interest |
| KIMBERLY-CLARK AUSTRALIA PTY LTD | Registered | Overseas ASIC Company | 510900 | government contract suppliers |
| KIMIHIA NUMBER 1 LIMITED | Registered | NZ Limited Company | 8243989 | iwi subsidiaries |
| KIMIHIA NUMBER 2 LIMITED | Registered | NZ Limited Company | 8471885 | iwi subsidiaries |
| KIMIHIA NUMBER 3 LIMITED | Registered | NZ Limited Company | 9281512 | iwi subsidiaries |
| KIMIORA - A LIFELINE CHARITABLE TRUST | Registered | Charitable Trust | - | government contract suppliers |
| Kina Peninsula Development Company | Unknown | - | - | councillor interest |
| KINDNESS COLLECTIVE TRUSTEE LIMITED | Removed | NZ Limited Company | 8258285 | corporate donations |
| KINDRED - PSYCHOLOGY AT WORK LIMITED | Registered | NZ Limited Company | 8158327 | government contract suppliers |
| Kineo | Registered | NZ Limited Company | - | government contract suppliers |
| KINESIS LIMITED | Registered | NZ Limited Company | 2403028 | government contract suppliers |
| KINETIC ENVIRONMENTAL CONSULTING LIMITED | Registered | NZ Limited Company | 6880713 | government contract suppliers |
| KINETIC NZ HOLDINGS LIMITED | Registered | NZ Limited Company | 5742389 | government contract suppliers |
| King Country Rugby Union | Registered | Incorporated Society | - | councillor interest |
| King Country Trust | Unknown | - | - | councillor interest |
| King Family Trust #4 | Unknown | - | - | councillor interest |
| KING SALMON LIMITED | Registered | - | - | |
| KING TRUSTEE MANAGEMENT LIMITED | Registered | NZ Limited Company | 3564131 | mp interest |
| King's College | Unknown | - | - | corporate donations |
| Kings Force Charitable Trust | Registered | Charitable Trust | - | government contract suppliers |
| Kings Mowers and Heating | Unknown | - | - | government contract suppliers |
| KINGSGATE HOTELS LIMITED | Registered | - | - | |
| Kingston Partners Limited | Unknown | - | - | government contract suppliers |
| KINLOCH LODGE LIMITED | Registered | NZ Limited Company | 1048826 | councillor interest |
| KINLOCH MARINA LIMITED | Registered | - | - | |
| KINSALE DAIRY LIMITED | Registered | NZ Limited Company | 2076350 | councillor interest |
| KIRI KAWA TRUST LIMITED | Registered | NZ Limited Company | 6334688 | government contract suppliers |
| Kirikiriroa Family Services Trust | Registered | Charitable Trust | - | government contract suppliers |
| Kirikiriroa Family Services Trust (KFST) | Unknown | - | - | government contract suppliers |
