| JP Morgan Japanese Investment Trust | Unknown | - | - | mp interest |
| JPMorgan American Investment Trust | Unknown | - | - | mp interest |
| JPMorgan American Investment Trust Plc | Unknown | - | - | mp interest |
| JPMORGAN CHASE BANK, N.A. | Registered | Overseas Non-ASIC Company | 1996894 | custodian fund mappings |
| JR Byars Family Trust | Unknown | - | - | councillor interest |
| JR CIVIL LIMITED | Registered | NZ Limited Company | 9255144 | government contract suppliers |
| JR FAMILY TRUSTEES LIMITED | Registered | NZ Limited Company | 7949797 | councillor interest |
| JR MEDICAL LIMITED | Registered | NZ Limited Company | 5637667 | government contract suppliers |
| JR WINSLOE LIMITED | Registered | NZ Limited Company | 7945640 | councillor interest |
| JR WORKS GROUP LIMITED | Registered | NZ Limited Company | 2127934 | government contract suppliers |
| JRA TECHNOLOGY LIMITED | Removed | NZ Limited Company | 608540 | |
| JRG ENERGY CONSULTANTS LIMITED | Registered | NZ Limited Company | 4796439 | government contract suppliers |
| JRTAMAKI LIMITED | Registered | NZ Limited Company | 8221472 | government contract suppliers |
| JS & TM Wood Family Trust & Batman 5 Trust | Unknown | - | - | councillor interest |
| JS and MJ McIntyre Family Trust | Unknown | - | - | councillor interest |
| JS MEDIATION SERVICES LIMITED | Registered | NZ Limited Company | 6444018 | government contract suppliers |
| JSA AUDIT LIMITED | Registered | NZ Limited Company | 5859677 | charity service providers |
| JSW CONTRACTING (GROUP) LIMITED | Registered | NZ Limited Company | 7923477 | government contract suppliers |
| JT CONTRACTORS LIMITED | Registered | NZ Limited Company | 6236148 | government contract suppliers |
| JTB ARCHITECTS LIMITED | Registered | NZ Limited Company | 1597214 | government contract suppliers |
| JUBERRY LIMITED | Registered | NZ Limited Company | 2104548 | councillor interest |
| JUBILEE BUDGET ADVISORY SERVICE LIMITED | Registered | NZ Limited Company | 930433 | government contract suppliers |
| JUCY Cruise | Unknown | - | - | kanoa recipients |
| Judah Lebow | Unknown | - | - | government contract suppliers |
| JUDD REFRIGERATION LIMITED | Registered | NZ Limited Company | 33767 | government contract suppliers |
| JUDD'S LIMITED | Registered | NZ Limited Company | 8187707 | kanoa recipients |
| JUDGE VALLEY DAIRIES LIMITED | Registered | NZ Limited Company | 2049454 | councillor interest |
| Judith Stanley | Unknown | - | - | government contract suppliers |
| Julia collison | Unknown | - | - | government contract suppliers |
| Julia Hayes | Registered | Sole Trader | - | government contract suppliers |
| Julia Ioane | Unknown | - | - | government contract suppliers |
| Julia Julian Trust | Unknown | - | - | mp interest |
| Julian Inch | Unknown | - | - | government contract suppliers |
| Julie Booker | Unknown | - | - | government contract suppliers |
| JUMP A BULL LIMITED | Registered | NZ Limited Company | 1493238 | councillor interest |
| JUMPSHIFT DEVELOPMENT LIMITED | Registered | NZ Limited Company | 7990098 | government contract suppliers |
| Junior Achievement of Hawaii | Unknown | - | - | corporate donations |
| JUNIPER NETWORKS AUSTRALIA PTY LIMITED | Registered | Overseas ASIC Company | 1407856 | government contract suppliers |
| JUNO & JUPITER CONSULTING LIMITED | Registered | NZ Limited Company | 7372661 | government contract suppliers |
| JUNO CIVIL LIMITED | Registered | NZ Limited Company | 865991 | government contract suppliers |
| JUNO PHARMACEUTICALS NZ LIMITED | Registered | NZ Limited Company | 5382341 | government contract suppliers |
| Jupiter Asset Management | Unknown | - | - | fund managers |
| JURGENS DEMOLITION LIMITED | Removed | NZ Limited Company | 8258237 | government contract suppliers |
| JUST ELECTRICS (2019) LIMITED | Registered | - | - | |
| JUST LIKE HOME LIMITED | Removed | - | - | |
| JUST PERFECT LIMITED | Removed | NZ Limited Company | 1328092 | government contract suppliers |
| JUST PLANTS LIMITED | Registered | NZ Limited Company | 3484891 | government contract suppliers |
| JUSTIN W SMITH LIMITED | Registered | NZ Limited Company | 1529301 | |
| JW INTERIORS LIMITED | Removed | NZ Limited Company | 5600013 | |
| JW INTERNATIONAL LIMITED | Registered | NZ Limited Company | 6483452 | government contract suppliers |
