| Greenwood Roche | Registered | Partnership | - | government contract suppliers |
| GREG DONALDSON CONTRACTING LIMITED | Registered | NZ Limited Company | 1121656 | government contract suppliers |
| GREG MITCHELL CARTAGE CONTRACTOR LIMITED | Registered | NZ Limited Company | 1914689 | |
| GRENADA CORPORATE TRUSTEE LIMITED | Removed | NZ Limited Company | 1695510 | political donors |
| GRENADIER REAL ESTATE LIMITED | Registered | NZ Limited Company | 497199 | government contract suppliers |
| Grey Power Manawatū Incorporated | Registered | Incorporated Society | - | councillor interest |
| GREY POWER NEW ZEALAND LIMITED | Removed | NZ Limited Company | 543744 | councillor interest |
| Grey Power North Canterbury | Registered | Incorporated Society | - | councillor interest |
| GREY POWER OTAGO INCORPORATED | Registered | - | - | |
| GreyPower North Canterbury | Unknown | - | - | councillor interest |
| GreyPower Norther Canterbury | Unknown | - | - | councillor interest |
| GreyPower Northern Canterbury | Unknown | - | - | councillor interest |
| GREYSCALE ULTRASOUND LIMITED | Registered | NZ Limited Company | 7928657 | government contract suppliers |
| GRIBBLES VETERINARY PATHOLOGY LIMITED | Registered | NZ Limited Company | 1200827 | government contract suppliers |
| GRID ELECTRICAL NZ LIMITED PARTNERSHIP | Registered | Limited Partnership (NZ) | - | government contract suppliers |
| Grierland Trust | Unknown | - | - | councillor interest |
| GRIFFITHS & ASSOCIATES LIMITED | Removed | NZ Limited Company | 689283 | government contract suppliers |
| GRIFFITHS 2000 LIMITED | Registered | NZ Limited Company | 1589012 | government contract suppliers |
| Griffiths and Associates Limited | Unknown | - | - | government contract suppliers |
| GRIFFITHS CIVIL BUILD LIMITED | Registered | NZ Limited Company | 2407728 | government contract suppliers |
| GRIFFITHS DRILLING (NZ) LIMITED | Registered | NZ Limited Company | 606477 | government contract suppliers |
| Grifols Australia | Unknown | - | - | government contract suppliers |
| GRIME OFF NOW LIMITED | Registered | - | - | |
| GRIT ENGINEERING LIMITED | Registered | NZ Limited Company | 4322078 | government contract suppliers |
| GRIZZLY BAGEL LIMITED | Registered | NZ Limited Company | 5653107 | government contract suppliers |
| GRL HOLDINGS LIMITED | Registered | NZ Limited Company | 1902365 | political donors |
| Grossart Water Solutions Limited | Unknown | - | - | government contract suppliers |
| GROUND ANCHOR SYSTEMS LIMITED | Registered | NZ Limited Company | 4084139 | government contract suppliers |
| GROUND BASE SOLUTIONS LIMITED | Registered | NZ Limited Company | 8156512 | government contract suppliers |
| GROUND EFFECT LIMITED | Removed | NZ Limited Company | 1239743 | councillor interest |
| Groundhog Coffee Ltd | Unknown | - | - | councillor interest |
| GROUNDS & SERVICES LIMITED | Registered | NZ Limited Company | 5866489 | government contract suppliers |
| GROUNDWORKS LIMITED | Registered | NZ Limited Company | 8235705 | government contract suppliers |
| GROUSE ENTERTAINMENT LIMITED | Registered | NZ Limited Company | 1508952 | councillor interest |
| GROUSE LIGHTING LIMITED | Registered | NZ Limited Company | 237608 | government contract suppliers |
| GROVEFIELDS LIMITED | Registered | NZ Limited Company | 6784973 | councillor interest |
| GROVETOWN LAGOONS LIMITED | Removed | NZ Limited Company | 1553524 | councillor interest |
| Grow Capability Limited | Unknown | - | - | government contract suppliers |
| Growing and Learning Together Trust | Registered | Charitable Trust | - | mp interest |
| Growing Future Famers Charitable Trust | Unknown | - | - | kanoa recipients |
| GRUMP ON STAFFORD LIMITED | Registered | NZ Limited Company | 2454728 | councillor interest |
| GRUN ASBESTOS & DEMOLITION LIMITED | Registered | NZ Limited Company | 8182172 | government contract suppliers |
| Grün Asbestos and Demolition | Unknown | - | - | government contract suppliers |
| GRUN GROUP LIMITED | Registered | NZ Limited Company | 8185501 | government contract suppliers |
| GS + CA Bartlett Family Trust | Unknown | - | - | councillor interest |
| GS PALACE LIMITED | Registered | NZ Limited Company | 5557568 | government contract suppliers |
| GSK LIMITED | Removed | NZ Limited Company | 1533280 | government contract suppliers |
| GSL Promotus | Unknown | - | - | government contract suppliers |
| GSS (NI) Limited t/a PlotBox | Unknown | - | - | government contract suppliers |
| GT Civil Limited | Unknown | - | - | government contract suppliers |
