| Command and Control South Ltd | Unknown | - | - | government contract suppliers |
| COMMEC , COMBUSTION / MECHANICAL LIMITED | Registered | NZ Limited Company | 1936806 | government contract suppliers |
| COMMELEC GROUP LIMITED | Registered | NZ Limited Company | 7204733 | government contract suppliers |
| Commercial Building (in Shane Reti Blind Trust) | Unknown | - | - | mp interest |
| COMMERCIAL CONSTRUCTION LIMITED | Removed | NZ Limited Company | 452508 | government contract suppliers |
| Commercial Dive Specialists Ltd | Unknown | - | - | government contract suppliers |
| COMMERCIAL DOOR SERVICES LIMITED | Registered | NZ Limited Company | 957497 | government contract suppliers |
| COMMERCIAL FITOUT NZ LIMITED | Removed | NZ Limited Company | 2472628 | government contract suppliers |
| COMMERCIAL MAINTENANCE LIMITED | Registered | NZ Limited Company | 5653651 | government contract suppliers |
| Commercial Office (owned By Trust) | Unknown | - | - | mp interest |
| COMMERCIAL PROJECTS LIMITED | Registered | NZ Limited Company | 4320678 | government contract suppliers |
| Commercial Properties (x2; As Beneficiary of Trust) | Unknown | - | - | mp interest |
| COMMERCIAL PROPERTY LIMITED | Registered | NZ Limited Company | 8213895 | mp interest |
| Commercial Property Owned By Trust | Unknown | - | - | mp interest |
| COMMERCIAL PROPERTY SERVICES LIMITED | Removed | NZ Limited Company | 871546 | government contract suppliers |
| COMMON GOOD COMPANY (CATHOLIC DIOCESE OF CHRISTCHURCH) LIMITED | Removed | NZ Limited Company | 5789531 | councillor interest |
| COMMON GROUNDS FITNESS LIMITED | Removed | NZ Limited Company | 6727834 | councillor interest |
| COMMONWEALTH BANK OF AUSTRALIA | Registered | Overseas ASIC Company | 1046786 | fund managers |
| CommSafe Te Awamutu | Unknown | - | - | councillor interest |
| Communities across Aotearoa New Zealand | Unknown | - | - | corporate donations |
| Communities Against Alcohol Harm Incorporated | Registered | Incorporated Society | - | councillor interest |
| Community and Civic Affairs Committee | Unknown | - | - | councillor interest |
| Community and Environment Fund | Registered | Charitable Trust | - | councillor interest |
| Community Arts Trust | Unknown | - | - | councillor interest |
| Community Business and Environment Centre Co-operative Society Limited | Registered | Industrial & Provident Society | - | government contract suppliers |
| Community Connection Nga Ngaru Trust | Registered | Charitable Trust | - | councillor interest |
| Community Decarbonisation Fund | Unknown | - | - | corporate donations |
| Community Decarbonisation Fund - Hōhepa Wellington | Unknown | - | - | corporate donations |
| Community Decarbonisation Fund - Twizel Medical Centre | Unknown | - | - | corporate donations |
| Community Energy Action Canterbury | Unknown | - | - | corporate donations |
| Community Energy Network | Registered | Incorporated Society | - | corporate donations |
| Community Energy Network - partnership | Unknown | - | - | corporate donations |
| Community Funding and Recognition Committee | Unknown | - | - | councillor interest |
| Community Garden and Paataka Trust | Unknown | - | - | government contract suppliers |
| COMMUNITY HEALTHCARE LIMITED | Registered | NZ Limited Company | 2302796 | councillor interest |
| COMMUNITY HOUSING AOTEAROA INCORPORATED | Registered | Incorporated Society | - | government contract suppliers |
| Community Law Canterbury Incorporated | Unknown | - | - | councillor interest |
| COMMUNITY LAW CENTRES AOTEAROA INCORPORATED | Registered | - | - | |
| Community Law Centres o Aotearoa Inc | Unknown | - | - | government contract suppliers |
| COMMUNITY LAW WELLINGTON AND HUTT VALLEY TRUST | Registered | - | - | |
| COMMUNITY LEISURE MANAGEMENT LIMITED | Registered | NZ Limited Company | 693515 | government contract suppliers |
| COMMUNITY LIVING LIMITED | Registered | NZ Limited Company | 3875536 | government contract suppliers |
| Community Networking Trust | Unknown | - | - | government contract suppliers |
| Community Networking Trust (Eastern Southland) Incorporated | Registered | Incorporated Society | - | kanoa recipients |
| Community Patrol | Unknown | - | - | councillor interest |
| Community support during emergencies | Unknown | - | - | corporate donations |
| Community Trust of Southland | Registered | Charitable Trust | - | kanoa recipients |
| COMMUNITY TRUSTS IN CARE AOTEAROA LIMITED | Registered | NZ Limited Company | 5465352 | government contract suppliers |
| Community Waikato | Unknown | - | - | councillor interest |
| Community Wellbeing North Canterbury Trust | Registered | Charitable Trust | - | councillor interest |
