| MINDBRANCH LIMITED | Registered | NZ Limited Company | 5955928 | government contract suppliers |
| MINERVA FARMS LIMITED | Registered | NZ Limited Company | 1958860 | councillor interest |
| Mingara Australasia Pty Ltd | Unknown | - | - | government contract suppliers |
| MINGINUI NURSERY GENERAL PARTNER LIMITED | Registered | NZ Limited Company | 6092969 | iwi subsidiarieskanoa recipients |
| Minginui Nursery Limited Partnership | Registered | Limited Partnership (NZ) | - | iwi subsidiaries |
| MINISTRY OF ARCHITECTURE + INTERIORS LIMITED | Registered | NZ Limited Company | 3166045 | government contract suppliers |
| Ministry of Awesome | Registered | Charitable Trust | - | government contract suppliers |
| Ministry of Primary Industry | Unknown | - | - | councillor interest |
| Ministry of Social Development | Registered | Central Government | - | councillor interest |
| Ministry of Social Development (MSD) and Te Puni Kōkiri | Unknown | - | - | corporate donations |
| Ministry of Transport | Registered | Central Government | - | government contract suppliers |
| Minstrel Trust | Unknown | - | - | councillor interest |
| MINT AOTEAROA GP LIMITED | Registered | NZ Limited Company | 9361611 | iwi subsidiaries |
| MINT ASSET MANAGEMENT LIMITED | Registered | NZ Limited Company | 1881852 | fund managers |
| MINT HOMES LIMITED | Registered | NZ Limited Company | 8376224 | government contract suppliers |
| MINTED DESIGN COMPANY LIMITED | Registered | NZ Limited Company | 5014460 | government contract suppliers |
| MINTEL PROPERTIES LIMITED | Removed | NZ Limited Company | 442652 | government contract suppliers |
| MINTER ELLISON RUDD WATTS LIMITED | Registered | NZ Limited Company | 1151896 | government contract suppliers |
| MINTERELLISONRUDDWATTS NOMINEES LIMITED | Unknown | - | - | nzbn trace |
| Mirabelle Trust | Unknown | - | - | councillor interest |
| MIRO ANALYTICAL AG | Unknown | - | - | government contract suppliers |
| MIRO CONSTRUCTION LIMITED | Registered | NZ Limited Company | 2264192 | government contract suppliers |
| MIRO HEALTHCARE LIMITED | Registered | NZ Limited Company | 5855208 | government contract suppliers |
| Miro Limited Partnership (Hautupua LP Ltd) | Unknown | - | - | iwi subsidiaries |
| MIRO PROJECT MANAGEMENT LIMITED | Registered | NZ Limited Company | 2250744 | government contract suppliers |
| Miro Trading Limited Partnership | Registered | Limited Partnership (NZ) | - | kanoa recipients |
| MIRO-MEIHANA KOATA GENERAL PARTNER LIMITED | Registered | NZ Limited Company | 7859294 | kanoa recipients |
| MiroPM | Unknown | - | - | government contract suppliers |
| MISCHEWSKI CONSULTING LIMITED | Registered | NZ Limited Company | 3330830 | government contract suppliers |
| missida | Registered | Partnership | - | government contract suppliers |
| Missing Wingman Trust | Unknown | - | - | mp interest |
| Mission Systems Australia Pty [Subsidiary of L3 Technologies, Inc] | Unknown | - | - | government contract suppliers |
| MISTER BEAN LIMITED | Removed | NZ Limited Company | 31148 | |
| Mitai Māori Village | Unknown | - | - | kanoa recipients |
| Mitchelius Trust | Unknown | - | - | councillor interest |
| MITCHELL BUILDERS LIMITED | Removed | NZ Limited Company | 1276635 | government contract suppliers |
| Mitchell Construction Ltd | Unknown | - | - | government contract suppliers |
| MITCHELL DAYSH LIMITED | Registered | NZ Limited Company | 6094094 | government contract suppliers |
| Mithcell-Rowland Family Trust | Unknown | - | - | councillor interest |
| MITO LIMITED | Removed | NZ Limited Company | 1838869 | government contract suppliers |
| MITSUBISHI HEAVY INDUSTRIES AIR-CONDITIONERS AUSTRALIA, PTY. LTD. | Registered | Overseas ASIC Company | 3080646 | government contract suppliers |
| Mitsubishi Motors New Zealand Ltd | Unknown | - | - | government contract suppliers |
| Mitsubishi UFJ Financial Group | Unknown | - | - | fund managers |
| MITTON ELECTRONET LIMITED | Registered | NZ Limited Company | 1914262 | government contract suppliers |
| MITZI & TWINN CATERING LIMITED | Registered | NZ Limited Company | 6877074 | government contract suppliers |
| MIZAK HOMES LIMITED | Registered | NZ Limited Company | 1576198 | government contract suppliers |
| Mizak Homes Limited (Signature Homes Taranaki) | Unknown | - | - | government contract suppliers |
| Mizuho Bank, Ltd. | Unknown | - | - | government contract suppliers |
| MJ & TE Walker Trust | Unknown | - | - | councillor interest |
| MJ and SR Tavendale Family Trusteeship Gray Family Trust | Unknown | - | - | councillor interest |
