| Cambridge Primary School | Unknown | - | - | councillor interest |
| Cambridge Principals Association | Unknown | - | - | councillor interest |
| Cambridge Rotary Club | Unknown | - | - | councillor interest |
| Cambridge Safer Community Charitable Trust | Registered | Charitable Trust | - | councillor interest |
| CAMBRIDGE SPECIALIST CENTRE LIMITED | Registered | NZ Limited Company | 7859497 | government contract suppliers |
| Cambridge Te Awa River Ride B&B | Unknown | - | - | councillor interest |
| CAMBRIDGE TECHNOLOGY COMPANY LIMITED | Registered | NZ Limited Company | 6156087 | government contract suppliers |
| Cambridge Tree Trust | Registered | Charitable Trust | - | councillor interest |
| CAMCO (2014) LIMITED | Registered | NZ Limited Company | 873885 | government contract suppliers |
| CAMCO INDUSTRIES LIMITED | Registered | NZ Limited Company | 2220221 | government contract suppliers |
| CAMERON BREWER COMMUNICATIONS LIMITED | Registered | - | - | |
| Cameron Christiansen | Unknown | - | - | government contract suppliers |
| CAMERON DRIVE MANAGEMENT COMPANY LIMITED | Registered | NZ Limited Company | 1124475 | councillor interest |
| CAMERON GIBSON & WELLS LIMITED | Registered | NZ Limited Company | 965383 | government contract suppliers |
| Cameron Turner | Unknown | - | - | government contract suppliers |
| CAMERON-KIDS & CO LIMITED | Registered | - | - | |
| CAMFIL NEW ZEALAND LIMITED | Registered | NZ Limited Company | 1140072 | government contract suppliers |
| Camp Rangi Woods | Registered | Charitable Trust | - | councillor interest |
| CAMPBELL AGRICULTURE & CONTRACTING LIMITED | Registered | NZ Limited Company | 6124808 | government contract suppliers |
| CAMPBELL BROWN PLANNING LIMITED | Registered | NZ Limited Company | 3057945 | government contract suppliers |
| CAMPBELL INFRASTRUCTURE LIMITED | Registered | NZ Limited Company | 3305328 | government contract suppliers |
| Canadian Audit and Accountability Foundation | Unknown | - | - | government contract suppliers |
| CANAM COMMERCIAL LIMITED | Registered | NZ Limited Company | 2132380 | government contract suppliers |
| Canam Group | Registered | NZ Limited Company | - | government contract suppliers |
| CANAM INTERIORS LIMITED | Registered | NZ Limited Company | 2122647 | government contract suppliers |
| Cancer Society New Zealand | Unknown | - | - | corporate donations |
| CANDIDA STATIONERY LIMITED | Registered | NZ Limited Company | 94397 | government contract suppliers |
| CANIWI MANAGEMENT LIMITED | Registered | NZ Limited Company | 5722347 | political donors |
| CANIWI TRUSTEE COMPANY LIMITED | Registered | NZ Limited Company | 3524791 | councillor interest |
| CANNASOUTH LIMITED | In Receivership | - | - | |
| Canon Business Services ANZ | Registered | NZ Limited Company | - | government contract suppliers |
| CANON MEDICAL SYSTEMS ANZ PTY LIMITED | Registered | Overseas ASIC Company | 5976413 | government contract suppliers |
| CANON NEW ZEALAND LIMITED | Removed | NZ Limited Company | 438049 | government contract suppliers |
| Canon New Zealand Limited (CBS) | Unknown | - | - | government contract suppliers |
| CANOPY HEALTHCARE GROUP LIMITED | Registered | NZ Limited Company | 7119454 | government contract suppliers |
| Canterbury Community Law | Unknown | - | - | councillor interest |
| CANTERBURY CONVEYANCING LIMITED | Registered | NZ Limited Company | 1896698 | councillor interest |
| Canterbury Cricket Association | Registered | Incorporated Society | - | councillor interest |
| Canterbury Cricket Trust | Registered | Charitable Trust | - | mp interest |
| Canterbury Cricket Trust Dr Lawrence Xu-Nan | Unknown | - | - | mp interest |
| Canterbury Cricket Trust Dr Lawrence Xu-Nan (Green, List) | Unknown | - | - | mp interest |
| Canterbury Distrcit Health Board | Unknown | - | - | councillor interest |
| Canterbury District Health Board | Registered | Central Government | - | government contract suppliers |
| CANTERBURY GROUP LIMITED | Removed | - | - | |
| CANTERBURY HEALTH LABORATORIES LIMITED | Removed | NZ Limited Company | 1687264 | government contract suppliers |
| CANTERBURY HOTELS LIMITED | Registered | NZ Limited Company | 5956445 | government contract suppliers |
| Canterbury Jockey Club Incorporated | Registered | Incorporated Society | - | kanoa recipients |
| CANTERBURY LANDSCAPE SUPPLIES LIMITED | Registered | NZ Limited Company | 619182 | government contract suppliers |
| CANTERBURY LINEN SERVICES LIMITED | Registered | NZ Limited Company | 573051 | government contract suppliers |
| Canterbury Mayoral Forum | Unknown | - | - | councillor interest |
