| Kāpiti Impact Trust | Unknown | - | - | councillor interest |
| Kāpiti Impact Trust Foundation | Registered | Charitable Trust | - | councillor interest |
| Kapiti Junior Club Hockey | Unknown | - | - | councillor interest |
| KAPITI MEDICAL LIMITED | Registered | NZ Limited Company | 1147753 | corporate donations |
| Kapiti MenzShed | Registered | Incorporated Society | - | councillor interest |
| Kapiti MenzShed, Waikanae | Unknown | - | - | councillor interest |
| Kapiti Rotary | Unknown | - | - | councillor interest |
| KAPITI TOURS LIMITED | Removed | NZ Limited Company | 653063 | iwi subsidiaries |
| Kapiti Wellbeing Collective | Registered | Incorporated Society | - | councillor interest |
| Kapiti Youth Support | Unknown | - | - | councillor interest |
| Kāpiti Youth Support | Unknown | - | - | councillor interest |
| KAPSCH TRAFFICCOM NEW ZEALAND LIMITED | Registered | NZ Limited Company | 1883916 | government contract suppliers |
| KAPURA LIMITED | Registered | NZ Limited Company | - | government contract suppliers |
| KARA TECHNOLOGIES LIMITED | Registered | NZ Limited Company | 6591853 | government contract suppliers |
| KARAKA FAMILY HEALTH LIMITED | Registered | NZ Limited Company | 5685209 | government contract suppliers |
| KARAMEA MOTORS 2014 LIMITED | Registered | NZ Limited Company | 1265693 | government contract suppliers |
| KARAMU STREAM HOLDINGS LIMITED | Removed | NZ Limited Company | 8095736 | corporate donations |
| KARANGA DAIRY FARM LIMITED | Registered | NZ Limited Company | 8246214 | councillor interest |
| Kārearea Falcon Trust | Unknown | - | - | corporate donations |
| KAREAREA INSTITUTE FOR CHANGE LIMITED | Registered | NZ Limited Company | 7188133 | government contract suppliers |
| Karen Adams | Unknown | - | - | government contract suppliers |
| Karen Jackson | Registered | Sole Trader | - | government contract suppliers |
| Karen Julie Wood | Registered | Sole Trader | - | government contract suppliers |
| Karen Owen Trust | Unknown | - | - | mp interest |
| KAREN WALKER CARPETS LIMITED | Registered | NZ Limited Company | 5318321 | |
| KAREN WALKER COLLABORATIONS LIMITED | Registered | NZ Limited Company | 5658007 | |
| KAREN WALKER DESIGN LIMITED | Registered | NZ Limited Company | 6748773 | |
| KAREN WALKER EYEWEAR LIMITED | Registered | NZ Limited Company | 5536565 | |
| KAREN WALKER FRAGRANCE LIMITED | Registered | NZ Limited Company | 5536585 | |
| KAREN WALKER INTERNATIONAL LIMITED | Registered | NZ Limited Company | 1028754 | |
| KAREN WALKER JEWELLERY LIMITED | Registered | NZ Limited Company | 5536486 | |
| KAREN WALKER LICENSING AUSTRALIA LIMITED | Registered | NZ Limited Company | 5657148 | |
| KAREN WALKER LICENSING LIMITED | Removed | NZ Limited Company | 1144079 | |
| KAREN WALKER LIMITED | Registered | NZ Limited Company | 493619 | |
| KAREN WALKER MANAGEMENT LIMITED | Registered | NZ Limited Company | 5536605 | |
| KAREN WALKER RETAIL LIMITED | Registered | NZ Limited Company | 5536625 | |
| KAREN WILSON PHYSIOTHERAPY SERVICES LIMITED | Removed | NZ Limited Company | 696345 | |
| KAREPE MANAGEMENT LIMITED | Registered | NZ Limited Company | 5834689 | government contract suppliers |
| KARIKAAS NATURAL DAIRY PRODUCTS HOLDINGS LIMITED | Registered | NZ Limited Company | 1475703 | councillor interest |
| KARIKAAS NATURAL DAIRY PRODUCTS LIMITED | Registered | NZ Limited Company | 625586 | councillor interest |
| Karioi Nui Trust | Unknown | - | - | mp interest |
| KARITANE MAORI TOURS LIMITED | Registered | NZ Limited Company | 6992253 | related party |
| Karitane Trust | Registered | Charitable Trust | - | mp interest |
| KARL BONIFACE PLUMBING LIMITED | Registered | NZ Limited Company | 850044 | government contract suppliers |
| KARL JOHNSTON BUILDERS LIMITED | Removed | NZ Limited Company | 5471365 | |
| KARL JOHNSTON CONSTRUCTION LIMITED | Registered | NZ Limited Company | 8200317 | |
| KARL STORZ ENDOSCOPY NEW ZEALAND LIMITED | Registered | NZ Limited Company | 8036119 | government contract suppliers |
| KARLS KITCHEN LIMITED | Removed | NZ Limited Company | 1644111 | government contract suppliers |
| Karolina Kirova | Registered | Sole Trader | - | government contract suppliers |
| Karori Golf Club | Registered | Incorporated Society | - | councillor interest |
