| JD & TE Bell Trust; TALK Trust | Unknown | - | - | councillor interest |
| JD Coleman Trust | Unknown | - | - | mp interest |
| JD PAT INVESTMENTS LIMITED | Registered | NZ Limited Company | 7682980 | councillor interest |
| JD&GR Hainsworth Partnership Ltd | Unknown | - | - | councillor interest |
| JEBEL LIMITED | Registered | NZ Limited Company | 6324390 | government contract suppliers |
| Jedi Family Trust | Unknown | - | - | councillor interest |
| JEFF KING BUILDING LIMITED | Registered | NZ Limited Company | 1765683 | government contract suppliers |
| JEFFREY DENNISON BUILDERS LIMITED | Registered | NZ Limited Company | 5945868 | government contract suppliers |
| JELI INVESTMENTS LIMITED | Removed | - | - | |
| JELLYMAN GULLEFORD LIMITED | Registered | NZ Limited Company | 8464830 | councillor interest |
| JENMUR LIMITED | Registered | NZ Limited Company | 7287058 | councillor interest |
| JENN BESTWICK LIMITED | Registered | NZ Limited Company | 7863831 | government contract suppliers |
| JENNIAN HOMES RESIDENTIAL (NZ) LIMITED | Registered | NZ Limited Company | 1971550 | government contract suppliers |
| JENNIAN HOMES TAURANGA LIMITED | Registered | NZ Limited Company | 7144074 | government contract suppliers |
| JENNIAN HOMES WELLINGTON LIMITED | Registered | NZ Limited Company | 2084837 | government contract suppliers |
| Jennifer Marcroft Trust | Unknown | - | - | mp interest |
| JENNIFER OWEN DESIGN LIMITED | Removed | NZ Limited Company | 844363 | |
| JENNINGS CONSULTING LIMITED | Registered | NZ Limited Company | 6134070 | councillor interest |
| JENNINGS FAMILY TRUSTEE LIMITED | Registered | NZ Limited Company | 8141812 | councillor interest |
| Jenny Bratty | Unknown | - | - | government contract suppliers |
| JENNY SHIPLEY NEW ZEALAND LIMITED | Registered | NZ Limited Company | 1227750 | |
| JENQUIP LIMITED | Registered | NZ Limited Company | 4242798 | councillor interest |
| JEOL (Australasia) Pty Ltd | Unknown | - | - | government contract suppliers |
| Jepson Family Trust | Unknown | - | - | councillor interest |
| JEREMY FLINT HOLDINGS LIMITED | Removed | NZ Limited Company | 404914 | |
| JEREMY HOLDINGS LIMITED | Removed | NZ Limited Company | 135672 | |
| JEREMY OLPHERT HOLDINGS LIMITED | Removed | NZ Limited Company | 247167 | |
| JEREMY THOMPSON HOLDINGS LIMITED | Removed | NZ Limited Company | 310962 | |
| Jessica Ducey | Unknown | - | - | government contract suppliers |
| JESSICA KATE TAYLOR TRUSTEES LIMITED | Registered | NZ Limited Company | 5626305 | government contract suppliers |
| JESSIE GRACE LIMITED | Registered | - | - | |
| JET-X CHRISTCHURCH LIMITED | Registered | - | - | |
| JET-X NZ LIMITED | Registered | - | - | |
| JFJ TRUSTEE LIMITED | Registered | NZ Limited Company | 8145491 | councillor interest |
| JID LIMITED | Registered | NZ Limited Company | 3041152 | government contract suppliers |
| JIGSAW ARCHITECTS LIMITED | Registered | NZ Limited Company | 5483643 | government contract suppliers |
| jigsaw whanganui | Unknown | - | - | government contract suppliers |
| JILESEN GROUP LIMITED | Registered | NZ Limited Company | 432966 | government contract suppliers |
| Jilly Tyler Consulting | Unknown | - | - | government contract suppliers |
| JIM HOPKINS LIMITED | Registered | NZ Limited Company | 706146 | |
| JINJAN LIMITED | Registered | - | - | |
| Jitterbit Pty Ltd | Unknown | - | - | government contract suppliers |
| JJ & JJ LIMITED | Removed | NZ Limited Company | 1171160 | government contract suppliers |
| JJ MANGAN CONTRACTING LTD | Unknown | - | - | government contract suppliers |
| JJ Niven Engineering | Unknown | - | - | government contract suppliers |
| JJ's Waste & Recycling | Registered | Overseas ASIC Company | - | government contract suppliers |
| JK & RL ENTERPRISES LIMITED | Registered | NZ Limited Company | 4678239 | government contract suppliers |
| JK PROCESS LIMITED | Registered | NZ Limited Company | 9269440 | government contract suppliers |
| JK'S (2018) LIMITED | Registered | NZ Limited Company | 6898333 | government contract suppliers |
| JK's 2018 Limited, trading as JK’s Engineering | Unknown | - | - | kanoa recipients |
