| Friends of the Hāwera Parks | Registered | Incorporated Society | - | councillor interest |
| Friends of the Otaki River | Registered | Incorporated Society | - | councillor interest |
| Friends of the Ōtaki River | Unknown | - | - | councillor interest |
| Friends of the Waikanae River | Registered | Incorporated Society | - | councillor interest |
| Friends of Waiwhetū Stream | Unknown | - | - | councillor interest |
| FRONDE ANYWHERE LIMITED | Removed | NZ Limited Company | 1891040 | government contract suppliers |
| FRONDE SYSTEMS GROUP LIMITED | Registered | NZ Limited Company | 528567 | government contract suppliers |
| Front Shed Furniture | Unknown | - | - | councillor interest |
| FRONT-LINE TRAINING CONSULTANCY LIMITED | Registered | NZ Limited Company | 562594 | government contract suppliers |
| Frontier Economics Pty Ltd | Unknown | - | - | government contract suppliers |
| FRONTIER SOFTWARE LIMITED | Registered | NZ Limited Company | 463583 | government contract suppliers |
| FRP LIMITED | Registered | NZ Limited Company | 5715809 | government contract suppliers |
| FRSNZ | Unknown | - | - | government contract suppliers |
| FRUITION HORTICULTURE (BOP) LIMITED | Registered | NZ Limited Company | 1398544 | government contract suppliers |
| Fruition Horticulture (SI) Ltd | Unknown | - | - | government contract suppliers |
| FRUITION LIMITED | Removed | NZ Limited Company | 1532343 | government contract suppliers |
| FSF MANAGEMENT COMPANY LIMITED | Registered | NZ Limited Company | 3959420 | councillor interest |
| FSN Limited | Unknown | - | - | government contract suppliers |
| FUA CREATIVE LIMITED | Registered | NZ Limited Company | 7495477 | government contract suppliers |
| FUEL STORAGE LIMITED | Registered | NZ Limited Company | 867014 | government contract suppliers |
| FUGRO NEW ZEALAND LIMITED | Registered | NZ Limited Company | 498108 | government contract suppliers |
| FUJIFILM BUSINESS INNOVATION NEW ZEALAND LIMITED | Registered | NZ Limited Company | 65813 | government contract suppliers |
| FUJIFILM CSG BUSINESS SOLUTIONS LIMITED | Removed | NZ Limited Company | 2396657 | government contract suppliers |
| FUJIFILM CSG TECHNOLOGY LIMITED | Registered | NZ Limited Company | 1569909 | government contract suppliers |
| FujiFilm Sonosite Australia | Unknown | - | - | government contract suppliers |
| FUJITSU NEW ZEALAND LIMITED | Registered | NZ Limited Company | 37446 | government contract suppliers |
| FULL CIRCLE ARBORICULTURE LIMITED | Registered | NZ Limited Company | 1947797 | government contract suppliers |
| FULLERS GROUP LIMITED | Registered | NZ Limited Company | 58988 | government contract suppliers |
| Fully Fuelled | Registered | Sole Trader | - | government contract suppliers |
| Fulton Hogan Cant Lab | Unknown | - | - | government contract suppliers |
| Fulton Hogan Canterbury | Unknown | - | - | government contract suppliers |
| FULTON HOGAN CENTRAL LIMITED | Removed | NZ Limited Company | 147056 | government contract suppliers |
| Fulton Hogan Civil North | Unknown | - | - | government contract suppliers |
| FULTON HOGAN LIMITED | Registered | NZ Limited Company | 144659 | government contract suppliers |
| FULTON HOGAN LIMITEDF | Unknown | - | - | government contract suppliers |
| Fulton Hogan Ltd - Nelson | Unknown | - | - | government contract suppliers |
| Fulton Hogan, Downer, HWR Contracting and Wilsons Contractors | Unknown | - | - | government contract suppliers |
| FULTON LIMITED | Removed | NZ Limited Company | 2474030 | government contract suppliers |
| FULTON ROSS TEAM ARCHITECTS LIMITED | Registered | NZ Limited Company | 1921893 | government contract suppliers |
| FUND MANAGERS HOLDINGS LIMITED | Registered | - | - | |
| Funding Committee | Registered | Charitable Trust | - | councillor interest |
| Fundraising Institute of New Zealand | Removed | Incorporated Society | - | councillor interest |
| FUNNELL FARMS LIMITED | Registered | NZ Limited Company | 5793409 | councillor interest |
| FURNISS TRUSTEES LIMITED | Registered | NZ Limited Company | 1963773 | councillor interest |
| FURNITURE COMPANY LIMITED | Registered | - | - | |
| FUSION CIVIL LIMITED | Registered | NZ Limited Company | 8197302 | government contract suppliers |
| FUSION FLOORING LIMITED | Registered | NZ Limited Company | 5357401 | government contract suppliers |
| FUSION NETWORKS LIMITED | Registered | NZ Limited Company | 2242400 | government contract suppliers |
| FUSION WORKPLACE SERVICES LIMITED | Registered | NZ Limited Company | 6461132 | government contract suppliers |
| FUSION5 LIMITED | Registered | NZ Limited Company | 963645 | government contract suppliers |