| HABITUS HOMES LIMITED | Registered | NZ Limited Company | 7993997 | councillor interest |
| HABITUS OPAWA LIMITED | Registered | NZ Limited Company | 8286641 | councillor interest |
| HABITUS ST MARTINS LIMITED | Registered | NZ Limited Company | 8608506 | councillor interest |
| Hadfield Tregidga Family Trust | Unknown | - | - | councillor interest |
| HADLEE & BRUNTON LIMITED | Registered | NZ Limited Company | 123813 | government contract suppliers |
| HADLEY CONSULTANTS LIMITED | Registered | NZ Limited Company | 9329150 | government contract suppliers |
| HAEMATA CONTRACTORS LIMITED | Registered | NZ Limited Company | 9015839 | government contract suppliers |
| HAEMATA TAPUI (LIMITED) | Registered | NZ Limited Company | 985542 | government contract suppliers |
| HAGA ELAX LIMITED | In Liquidation | NZ Limited Company | 8031776 | political donors |
| HAIL ENVIRONMENTAL LIMITED | Registered | NZ Limited Company | 6002760 | government contract suppliers |
| Haines Attract & Fuel | Unknown | - | - | government contract suppliers |
| Hainesattract | Unknown | - | - | government contract suppliers |
| Hair By Jaimie Bertie | Unknown | - | - | councillor interest |
| Hakawai Trust | Unknown | - | - | councillor interest |
| HAKITURI LIMITED | Registered | NZ Limited Company | 6288949 | government contract suppliers |
| HAL CONSULTING LIMITED | Registered | NZ Limited Company | 1929568 | government contract suppliers |
| Halberg Youth Council | Unknown | - | - | corporate donations |
| HALCYON PROJECT MANAGEMENT LIMITED | Registered | NZ Limited Company | 6413452 | government contract suppliers |
| HALKETT ELECTRICAL LIMITED | Registered | NZ Limited Company | 7291456 | government contract suppliers |
| HALL BROTHERS TRANSPORT LIMITED | Registered | NZ Limited Company | 484083 | government contract suppliers |
| Hall Chadwick NZ Limited | Unknown | - | - | charity service providers |
| HALLBERG TRUSTEES LIMITED | Removed | NZ Limited Company | 1523243 | councillor interest |
| HALLIWELL PROPERTY LIMITED | Registered | NZ Limited Company | 57966 | government contract suppliers |
| HALLMARK FINANCIAL SERVICES ( NZ ) LIMITED | Registered | NZ Limited Company | 1866495 | councillor interest |
| HALLMARK SURGICAL LIMITED | Registered | NZ Limited Company | 5645268 | government contract suppliers |
| Halswell Residents Association | Unknown | - | - | councillor interest |
| Halswell River Drainage District | Unknown | - | - | councillor interest |
| Halterni Trust | Unknown | - | - | councillor interest |
| HALVERSON CIVIL LIMITED | Registered | NZ Limited Company | 1884620 | government contract suppliers |
| HAMILTON & WAIKATO TOURISM LIMITED | Registered | NZ Limited Company | 3435173 | kanoa recipients |
| Hamilton Airport Community Liason Committee | Unknown | - | - | councillor interest |
| Hamilton Boys High School | Registered | Education | - | councillor interest |
| Hamilton Budgeting Advisory Trust | Unknown | - | - | government contract suppliers |
| Hamilton Contract Bridge Club | Registered | Incorporated Society | - | councillor interest |
| HAMILTON HINDIN GREENE LIMITED | Registered | NZ Limited Company | 1863928 | councillor interest |
| HAMILTON LOCKE (NZ) LIMITED | Registered | NZ Limited Company | 8463155 | government contract suppliers |
| Hamilton Multicultural Services Trust | Registered | Charitable Trust | - | government contract suppliers |
| HAMILTON RIVERVIEW HOTEL LIMITED | Removed | NZ Limited Company | 878655 | iwi subsidiaries |
| Hamish Matiu TE WHARE | Registered | Sole Trader | - | government contract suppliers |
| Hammington Family Trust | Unknown | - | - | councillor interest |
| HAMMOND & STAFFORD LIMITED | Registered | NZ Limited Company | 1752875 | government contract suppliers |
| Hammond Family Bach Trust | Unknown | - | - | councillor interest |
| HAMMOND TRANSPORT LIMITED | Registered | NZ Limited Company | 905417 | councillor interest |
| Hampden Hall Committee | Unknown | - | - | councillor interest |
| HAMPSTEAD INVESTMENTS LIMITED | Removed | - | - | |
| Hampton Downs Trust | Unknown | - | - | mp interest |
| HAMPTON JONES PROPERTY CONSULTANCY LIMITED | Registered | NZ Limited Company | 1644297 | government contract suppliers |
| Hancocks Wine, Spirit & Beer Merchants Ltd | Unknown | - | - | government contract suppliers |
| HANDY HERO SERVICES LIMITED | Registered | NZ Limited Company | 9014388 | government contract suppliers |
| HANGA CONSULTING LIMITED | Registered | NZ Limited Company | 8959628 | government contract suppliers |
