| Karori Sanctuary Trust | Registered | Charitable Trust | - | councillor interest |
| KATAPO HOLDINGS LIMITED | Registered | NZ Limited Company | 1599364 | councillor interest |
| Katapo Holdings Ltd; Katapo Trading Ltd; Katapo Investments Ltd | Unknown | - | - | councillor interest |
| KATAPO INVESTMENTS LIMITED | Registered | NZ Limited Company | 5535125 | councillor interest |
| KATAPO TRADING LIMITED | Registered | NZ Limited Company | 3021360 | councillor interest |
| Kataraina Cassidy | Unknown | - | - | government contract suppliers |
| Kate Evelyn Willis | Registered | Sole Trader | - | government contract suppliers |
| KATE JOBLIN & CO LIMITED | Registered | NZ Limited Company | 1014252 | councillor interest |
| KATE JOBLIN & CO TRUSTEE (NO 2) LIMITED | Registered | NZ Limited Company | 8170243 | |
| KATE JOBLIN & CO TRUSTEE LIMITED | Registered | NZ Limited Company | 3597511 | |
| KATE KENNEDY CONSULTING LIMITED | Removed | NZ Limited Company | 3407592 | |
| Kate Sheppard Memorial Trust Award | Unknown | - | - | councillor interest |
| KATE TAYLOR PHYSIOTHERAPY LIMITED | Removed | NZ Limited Company | 6048410 | |
| KATED LIMITED | Registered | NZ Limited Company | 9266998 | government contract suppliers |
| KATERE HOLDINGS LIMITED | Removed | NZ Limited Company | 172966 | councillor interest |
| KATERE SURFACE COATINGS LIMITED | Registered | NZ Limited Company | 170298 | councillor interest |
| Kathmandu Coast to Coast | Registered | NZ Limited Company | - | corporate donations |
| KATHMANDU HOLDINGS LIMITED | Removed | - | - | |
| Katikati Open Air Art | Registered | Incorporated Society | - | councillor interest |
| Katikati Open Air Art, Katikati War Memorial Hall | Unknown | - | - | councillor interest |
| Katikati War Memorial Hall | Unknown | - | - | councillor interest |
| Katkaml Trust | Unknown | - | - | councillor interest |
| Katrina Penney | Unknown | - | - | government contract suppliers |
| KAUAERANGA LIMITED | Registered | NZ Limited Company | 8929450 | kanoa recipients |
| Kauaerangi Valley Hall Society | Unknown | - | - | councillor interest |
| Kauhoe Partnership | Unknown | - | - | councillor interest |
| Kaupapa Hiti Ltd | Unknown | - | - | councillor interest |
| KAUPAPA PROJECTS LIMITED | Registered | NZ Limited Company | 6178210 | government contract suppliers |
| KAURI ARCHITECTS LIMITED | Registered | NZ Limited Company | 3728916 | government contract suppliers |
| KAURI PARK NURSERIES LIMITED | Registered | NZ Limited Company | 1564092 | government contract suppliers |
| Kauriki Marae Reservation Trust | Unknown | - | - | councillor interest |
| Kautha Trust | Unknown | - | - | mp interest |
| KAUWAKA LIMITED | Registered | NZ Limited Company | 8106297 | government contract suppliers |
| KAVA BOWL MEDIA LIMITED | Registered | NZ Limited Company | 7706016 | government contract suppliers |
| KAWAKAWA ENVIRONMENTAL LIMITED | Registered | NZ Limited Company | 8463021 | government contract suppliers |
| KAWANUI FARM LIMITED | Registered | NZ Limited Company | 9247251 | councillor interest |
| KAWASAKI MOTORS PTY LTD | Registered | Overseas ASIC Company | 8859314 | government contract suppliers |
| KAWEA LAW LIMITED | Registered | NZ Limited Company | 8752006 | government contract suppliers |
| KAWEKA HEALTH LIMITED | Registered | NZ Limited Company | 7404896 | government contract suppliers |
| Kay McPherson | Unknown | - | - | government contract suppliers |
| KAZZER SERVICES LIMITED | Registered | - | - | |
| KBLP | Unknown | - | - | iwi subsidiaries |
| KBR LIMITED | Registered | NZ Limited Company | 8194867 | councillor interest |
| KC COOL AIR LIMITED | Registered | NZ Limited Company | 5093101 | government contract suppliers |
| KCS SWITCHBOARDS LIMITED | Registered | NZ Limited Company | 8454882 | government contract suppliers |
| KCT CO LIMITED | Registered | NZ Limited Company | 6973593 | kanoa recipients |
| KD MANDER HOLDINGS LIMITED | Registered | - | - | |
| KD PLUMBING LIMITED | Registered | NZ Limited Company | 4943520 | government contract suppliers |
| KDB CONSTRUCTION LIMITED | Registered | NZ Limited Company | 5756149 | government contract suppliers |
| kdj catering limited | Unknown | - | - | government contract suppliers |