| Kaizon Engineering Limited | In Liquidation | NZ Limited Company | - | government contract suppliers |
| Kākahi Marae Reservation Trust | Unknown | - | - | councillor interest |
| Kakano Investment Limited Partnership | Registered | Limited Partnership (NZ) | - | iwi subsidiaries |
| Kakano Investments Limited Partnership | Unknown | - | - | iwi subsidiaries |
| KAKANO LIMITED | Removed | NZ Limited Company | 931913 | iwi subsidiaries |
| KAKANUI HOLDINGS LIMITED | Registered | - | - | |
| KAKANUI TRUSTEES LIMITED | Registered | NZ Limited Company | 8080838 | mp interest |
| KAKAPO DESIGN LIMITED | Registered | NZ Limited Company | 4380298 | government contract suppliers |
| Kakapo Recovery Programme | Unknown | - | - | corporate donations |
| Kakariki Project Management | Unknown | - | - | kanoa recipients |
| KAKARIKI TRUSTEES LIMITED | Removed | NZ Limited Company | 1498916 | councillor interest |
| Kake Investments Limited P/Ship | Unknown | - | - | councillor interest |
| Kake Investments Limited Partnership | Unknown | - | - | councillor interest |
| KAKE INVESTMENTS LP | Registered | - | - | |
| KALEIDOCARE LIMITED | Registered | NZ Limited Company | 5346181 | government contract suppliers |
| KALIMENA ADVISORY LIMITED | Registered | NZ Limited Company | 7887359 | government contract suppliers |
| KALINIKE LIMITED | Registered | NZ Limited Company | 2144225 | government contract suppliers |
| KALISTA LIMITED | Registered | NZ Limited Company | 2454408 | government contract suppliers |
| KAMO DRIVING SCHOOL LIMITED | Registered | NZ Limited Company | 6404532 | kanoa recipients |
| KAMO MARSH LANDSCAPE ARCHITECTS LIMITED | Registered | NZ Limited Company | 3002360 | government contract suppliers |
| Kane Titchener Trust | Unknown | - | - | councillor interest |
| KANTAR INSIGHTS NEW ZEALAND LIMITED | Registered | NZ Limited Company | 656007 | government contract suppliers |
| Kantar Public | Unknown | - | - | government contract suppliers |
| Kanui Te Pai Sawmill Limited | Unknown | - | - | councillor interest |
| Kanyadgafapa Trust | Unknown | - | - | councillor interest |
| KAPAI FOODS LIMITED | Removed | NZ Limited Company | 6224951 | government contract suppliers |
| KAPENE TE RARAWA LIMITED | Registered | NZ Limited Company | 6802153 | iwi subsidiaries |
| KAPENGA M TRUSTEE COMPANY LIMITED | Registered | NZ Limited Company | 3062485 | kanoa recipients |
| KAPET PROPERTIES LIMITED | Registered | NZ Limited Company | 5081181 | councillor interest |
| KAPI MANA NETBALL CENTRE INCORPORATED | Registered | - | - | |
| KAPI-MANA GLASS & GLAZING LTD | Unknown | - | - | government contract suppliers |
| Kapiti & Wellington Maori Committee | Unknown | - | - | councillor interest |
| Kapiti & Wellington Maori Committee – N2 Maori Council | Unknown | - | - | councillor interest |
| Kāpiti Aero club | Registered | Incorporated Society | - | councillor interest |
| Kapiti Boating Club | Registered | Incorporated Society | - | councillor interest |
| Kāpiti Chamber of Commerce | Unknown | - | - | councillor interest |
| Kapiti Chess Club | Removed | Incorporated Society | - | councillor interest |
| Kapiti Choral | Registered | Incorporated Society | - | councillor interest |
| Kāpiti Coast Chamber of Commerce | Unknown | - | - | councillor interest |
| KAPITI COAST SECURITY LIMITED | Registered | NZ Limited Company | 974694 | councillor interest |
| Kapiti Coast Trails Trust | Registered | Charitable Trust | - | councillor interest |
| Kāpiti Coast Whaitua Committee | Unknown | - | - | councillor interest |
| Kapiti Day Hospital | Unknown | - | - | government contract suppliers |
| Kāpiti ecological restoration maintenance Trust | Registered | Incorporated Society | - | councillor interest |
| Kapiti Economic Development Association | Registered | Incorporated Society | - | councillor interest |
| Kāpiti Economic Development Association | Unknown | - | - | councillor interest |
| Kāpiti Equestrian Advocacy Group | Unknown | - | - | councillor interest |
| Kāpiti Genealogy Society | Unknown | - | - | councillor interest |
| Kapiti Health Advisory Group | Unknown | - | - | councillor interest |
| Kapiti Impact Trust | Registered | Charitable Trust | - | government contract suppliers |