| CONNETICS LIMITED | Registered | NZ Limited Company | 451142 | government contract suppliers |
| CONNEXU 2020 TRUST | Registered | Charitable Trust | - | government contract suppliers |
| Connor Home Trust | Unknown | - | - | mp interest |
| CONNOR JONES GROUP LIMITED | Registered | NZ Limited Company | 6901913 | government contract suppliers |
| Conor Home Memorial Trust | Unknown | - | - | mp interest |
| Conor Home Trust | Unknown | - | - | mp interest |
| CONQUEST TRAINING LIMITED | Registered | NZ Limited Company | 2376131 | government contract suppliers |
| CONRAD PROPERTIES LIMITED | Registered | NZ Limited Company | 9326312 | political donors |
| Conscpec Construction | Unknown | - | - | government contract suppliers |
| Conservation Projects, Dog Island | Unknown | - | - | mp interest |
| Conservation Volunteers New Zealand | Registered | Charitable Trust | - | kanoa recipientscorporate donations |
| CONSILIUM NZ LIMITED | Registered | - | - | |
| CONSORTIUM CONSTRUCTION 2018 LIMITED | Registered | NZ Limited Company | 6955153 | government contract suppliers |
| CONSORTIUM CONSTRUCTION LIMITED | Removed | NZ Limited Company | 1530202 | government contract suppliers |
| CONSPEC CONSTRUCTION LIMITED | Registered | NZ Limited Company | 7735298 | government contract suppliers |
| CONSTABLE PROPERTIES LIMITED | Removed | NZ Limited Company | 19446 | councillor interest |
| Constables Limited T/A Constables Kitchen | Unknown | - | - | government contract suppliers |
| CONSTRUCT INTERIORS LIMITED | In Liquidation | NZ Limited Company | 5798789 | government contract suppliers |
| CONSTRUCT LIMITED | Removed | NZ Limited Company | 1124903 | government contract suppliers |
| CONSTRUCT SOUTH LIMITED | Registered | NZ Limited Company | 5854431 | government contract suppliers |
| CONSTRUCTA LIMITED | Registered | NZ Limited Company | 901474 | government contract suppliers |
| CONSTRUCTED LIMITED | Registered | NZ Limited Company | 8470741 | government contract suppliers |
| CONSTRUCTION CONTRACTS APP LIMITED | Removed | NZ Limited Company | 5865019 | government contract suppliers |
| CONSTRUCTION GROUP HQ LIMITED | Registered | NZ Limited Company | 8180441 | government contract suppliers |
| CONSTRUCTION MANAGEMENT GROUP (BUILDING) LIMITED | Registered | NZ Limited Company | 1978381 | government contract suppliers |
| CONSTRUCTION MANAGEMENT GROUP LIMITED | Removed | NZ Limited Company | 554515 | government contract suppliers |
| CONSTRUCTION SERVICES LIMITED | Removed | NZ Limited Company | 1055835 | government contract suppliers |
| CONSTRUCTION SOLUTIONS GROUP LIMITED | Registered | NZ Limited Company | 5883148 | government contract suppliers |
| CONSTRUCTION TECHNIQUES LIMITED | Registered | NZ Limited Company | 301685 | government contract suppliers |
| CONSTRUCTION WORKSHOP LIMITED | Registered | NZ Limited Company | 5893189 | government contract suppliers |
| CONSULT & CONSTRUCT LIMITED | Registered | NZ Limited Company | 7812599 | government contract suppliers |
| CONSULT PLANNING LIMITED | Registered | NZ Limited Company | 8313203 | government contract suppliers |
| CONSULT RECRUITMENT LIMITED | Registered | NZ Limited Company | 7255296 | government contract suppliers |
| CONSULTEX COMPANY LIMITED | Registered | NZ Limited Company | 7938883 | government contract suppliers |
| CONTACT ENERGY LIMITED | Registered | NZ Limited Company | 660760 | mp interestcouncillor interest |
| CONTEGO SYSTEMS LIMITED | Registered | NZ Limited Company | 6088309 | government contract suppliers |
| CONTEGO TARANAKI LIMITED | Registered | NZ Limited Company | 8256438 | government contract suppliers |
| CONTENT LIMITED | Registered | NZ Limited Company | 2163431 | government contract suppliers |
| CONTENTED MIND LIMITED | Registered | NZ Limited Company | 6864034 | government contract suppliers |
| Contentful Inc. | Unknown | - | - | government contract suppliers |
| CONTEXT ARCHITECTS LIMITED | Registered | NZ Limited Company | 1405932 | government contract suppliers |
| Continental Divide Trail Coalition | Unknown | - | - | corporate donations |
| CONTINUUM CONSULTING GROUP LIMITED | Registered | NZ Limited Company | 1885246 | government contract suppliers |
| Contract Holdings Ltd t/a Contract Construction | Unknown | - | - | government contract suppliers |
| Contract Landscapes Limited (CLL) | Unknown | - | - | government contract suppliers |
| CONTRACT PRO NZ LIMITED | Registered | NZ Limited Company | 5743284 | government contract suppliers |
| CONTRACT WILD ANIMAL CONTROL (NZ) LIMITED | Registered | NZ Limited Company | 6299567 | government contract suppliers |
| CONTRACT WORX LIMITED | Removed | NZ Limited Company | 5546645 | government contract suppliers |
| CONTRAX LIMITED | Registered | NZ Limited Company | 1779253 | government contract suppliers |
| CONTROLLED BUILDING SERVICES LIMITED | Registered | NZ Limited Company | 3818677 | government contract suppliers |