| OUTDOOR CONSTRUCTION LIMITED | Removed | NZ Limited Company | 882875 | government contract suppliers |
| OUTDOOR EDUCATION NEW ZEALAND LIMITED | Registered | NZ Limited Company | 4060987 | government contract suppliers |
| OUTDOOR LIVING LANDSCAPES LIMITED | Registered | NZ Limited Company | 5065761 | government contract suppliers |
| OUTDORIA PTY LTD | Registered | Overseas ASIC Company | 7247420 | kanoa recipients |
| OUTERSPACE LANDSCAPES LIMITED | Registered | NZ Limited Company | 1868663 | government contract suppliers |
| Outram Contracting | Registered | Partnership | - | government contract suppliers |
| OUTSIDE IN (NZ) LIMITED | Registered | NZ Limited Company | 5100062 | government contract suppliers |
| Outwest Youth Community Trust | Unknown | - | - | government contract suppliers |
| OvalEdge LLC | Unknown | - | - | government contract suppliers |
| OVATO NZ LIMITED | In Liquidation | NZ Limited Company | 555814 | government contract suppliers |
| OVER THE TOP LIMITED | Removed | NZ Limited Company | 462315 | kanoa recipients |
| Overdale Community Centre | Registered | Charitable Trust | - | councillor interest |
| Overdale Community Centre Charitable Trust Incorporated | Unknown | - | - | government contract suppliers |
| OVERVIEW PORTFOLIO LIMITED | Registered | NZ Limited Company | 1832955 | councillor interest |
| Owaewenga Trust | Unknown | - | - | councillor interest |
| Owens Properties Ltd via Mark Owens | Unknown | - | - | political donors |
| Owens Properties Ltd via Maryanne Owens | Unknown | - | - | political donors |
| OWHANGO MOTORS LIMITED | Registered | NZ Limited Company | 196128 | government contract suppliers |
| Owns Trust Core Ceuticals Pacific Limited | Unknown | - | - | mp interest |
| Owns Trust Dreamland Distribution Limited (not Trading) –distribution of Milk to Retailers and Supermarkets | Unknown | - | - | mp interest |
| OXBOW DAIRIES LIMITED | Registered | - | - | |
| OXCON CLL LIMITED | Registered | NZ Limited Company | 8240023 | government contract suppliers |
| Oxford Community Health Clinic | Unknown | - | - | councillor interest |
| Oxford Community Trust | Registered | Charitable Trust | - | councillor interest |
| Oxford Dark Sky Group | Unknown | - | - | councillor interest |
| Oxford Health & Fitness Centre Trust | Registered | Charitable Trust | - | councillor interest |
| OXFORD HEALTH CHARITY LIMITED | Registered | NZ Limited Company | 1409008 | councillor interest |
| Oxford Historical Records Society Inc | Registered | Incorporated Society | - | councillor interest |
| Oxford Rural Drainage Group | Unknown | - | - | councillor interest |
| OYSTER CATCHER ENTERPRISES LIMITED | Registered | NZ Limited Company | 2063094 | councillor interest |
| OYSTER PROPERTY GROUP LIMITED | Registered | - | - | |
| OYSTER WORKSHOP LIMITED | Registered | NZ Limited Company | 7350577 | government contract suppliers |
| P & A Duffy Family Trust | Unknown | - | - | councillor interest |
| P & J FAMILY TRUSTEES LIMITED | Registered | NZ Limited Company | 5680229 | councillor interest |
| P & S Court Trust | Unknown | - | - | mp interest |
| P Butcher Family Trust | Unknown | - | - | councillor interest |
| P F Harper Family Trust | Unknown | - | - | councillor interest |
| P F HARPER TRUSTEE CO LIMITED | Registered | NZ Limited Company | 2135409 | councillor interest |
| P J & Associates | Unknown | - | - | government contract suppliers |
| P J & LG Handcock Family Trust | Unknown | - | - | councillor interest |
| P J Mitchell | Unknown | - | - | charity service providers |
| P J Warrenearthmoving Ltd | Unknown | - | - | government contract suppliers |
| P.H.P. Bayly Trust | Unknown | - | - | mp interest |
| P.M. SYSTEMS (N.Z) LIMITED | Removed | NZ Limited Company | 501230 | government contract suppliers |
| PA & LC Brown Family Trust | Unknown | - | - | councillor interest |
| PACE CONSTRUCT LIMITED | Registered | NZ Limited Company | 7902418 | government contract suppliers |
| PACE ENGINEERING LIMITED | Registered | NZ Limited Company | 555860 | government contract suppliers |
| PACE POWER & AIR LIMITED | Registered | NZ Limited Company | 8182117 | government contract suppliers |
| PACIFIC ASBESTOS CONSULTANCY LIMITED | Registered | NZ Limited Company | 9027627 | government contract suppliers |
| PACIFIC BOP BUILDERS LIMITED | Registered | NZ Limited Company | 8140792 | government contract suppliers |
