| CENTRAL OTAGO HEALTH SERVICES LIMITED | Registered | NZ Limited Company | 939683 | councillor interest |
| CENTRAL OTAGO HELICOPTERS LIMITED | Removed | NZ Limited Company | 944585 | councillor interest |
| CENTRAL OTAGO LIVING OPTIONS LIMITED | Registered | - | - | |
| Central Otago Sports Turf Trust | Registered | Charitable Trust | - | councillor interest |
| Central Otago Wilding Conifers Control Group | Unknown | - | - | councillor interest |
| Central Plains Water Trust | Registered | Charitable Trust | - | mp interest |
| Central Queensland University | Unknown | - | - | government contract suppliers |
| CENTRAL REFRIGERATION & AIR CONDITIONING LIMITED | Registered | NZ Limited Company | 833978 | government contract suppliers |
| Central Region Major Projects Skills Hub Trust | Registered | Charitable Trust | - | kanoa recipients |
| Central Regions Technical Advisory Service Ltd. | Unknown | - | - | government contract suppliers |
| Central Rural Drainage Advisory Group | Unknown | - | - | councillor interest |
| CENTRAL SOUTH ISLAND HELICOPTERS LIMITED | Registered | NZ Limited Company | 410318 | government contract suppliers |
| Central Southland Hospital Charitable Trust | Registered | Charitable Trust | - | councillor interest |
| Central Southland Hub Inc | Registered | Incorporated Society | - | councillor interest |
| CENTRAL SPARKIES LIMITED | Registered | NZ Limited Company | 5484729 | government contract suppliers |
| Central Taranaki Safe Community Trust | Unknown | - | - | councillor interest |
| CENTRAL WESTERN ROADING LIMITED | Registered | NZ Limited Company | 1713694 | government contract suppliers |
| CENTRAL WILDING TREE CONTROL LIMITED | Removed | NZ Limited Company | 5869374 | government contract suppliers |
| CENTRE STREET HOLDINGS LIMITED | Removed | - | - | |
| CENTRIX GROUP LIMITED | Registered | NZ Limited Company | 2257467 | government contract suppliers |
| CENTURIA CAPITAL (NZ) NO.1 LIMITED | Registered | - | - | |
| CEO GROUP LIMITED | Registered | NZ Limited Company | 1190515 | government contract suppliers |
| Cepheid Holdings Pty Ltd | Unknown | - | - | government contract suppliers |
| CEPHEID LIMITED | Registered | NZ Limited Company | 6300308 | government contract suppliers |
| CEREBRA LIMITED | Registered | NZ Limited Company | 1677511 | government contract suppliers |
| CERES NEW ZEALAND, LLC | Registered | Overseas Non-ASIC Company | 3416934 | government contract suppliers |
| CERJ Trust | Unknown | - | - | mp interest |
| Cerno Limited | Unknown | - | - | government contract suppliers |
| CERT SYSTEMS LIMITED | Registered | NZ Limited Company | 1960275 | government contract suppliers |
| CERTUS SOLUTIONS LIMITED | Registered | NZ Limited Company | 1553926 | government contract suppliers |
| CERULINK RECRUITMENT LIMITED | Registered | - | - | |
| CEscape consultancy services | Unknown | - | - | government contract suppliers |
| CF Finlayson Trust | Unknown | - | - | mp interest |
| CFN DEVELOPMENT LIMITED | Registered | NZ Limited Company | 8039977 | councillor interest |
| CGCA JACKSON LIMITED | Registered | - | - | |
| CH BUILDERS (2013) LIMITED | Registered | NZ Limited Company | 4301758 | government contract suppliers |
| CH CONSTRUCTION NZ LIMITED | Registered | NZ Limited Company | 5929014 | government contract suppliers |
| CH PROJECTS LIMITED | Registered | NZ Limited Company | 6460972 | government contract suppliers |
| CH4 GLOBAL LIMITED | Removed | NZ Limited Company | 7130116 | kanoa recipients |
| CHAINSAWS & MOWERS 2006 LIMITED | Registered | NZ Limited Company | 1854490 | government contract suppliers |
| CHALLENGE CLEANING COMPANY LIMITED | Registered | NZ Limited Company | 5678768 | government contract suppliers |
| CHALLENGER LIMITED | Registered | NZ Limited Company | 1600840 | fund managers |
| Chamber of Commence | Unknown | - | - | councillor interest |
| CHAMBER OF COMMERCE TAURANGA REGION INCORPORATED | Registered | Incorporated Society | - | government contract suppliers |
| Chameleon Events | Unknown | - | - | government contract suppliers |
| Change Makers Resettlement Forum | Registered | Incorporated Society | - | councillor interest |
| Change Makers Resettlement Forum; African Community Council of Wellington | Unknown | - | - | councillor interest |
| CHANGE STRATEGY & RESEARCH LIMITED | Registered | NZ Limited Company | 5670467 | government contract suppliers |
| ChangeMakers Resettlement Forum | Unknown | - | - | government contract suppliers |
| CHANNEL INFRASTRUCTURE NZ LIMITED | Registered | NZ Limited Company | 65859 | iwi subsidiaries |