| Gradus Homes Limited | Construction | 2017 |
| Grafiki Ltd | Professional & scientific | 2014 |
| Graham Beadle Commissioning Services Ltd | Professional & scientific | 2016 |
| Grand Design London Ltd | Construction | 2014 |
| Granda Pips Ltd | Health & social care | 2021 |
| Grande Key Properties Ltd | Real estate | 2026 |
| Grander Planters Ltd | Wholesale & retail | 2017 |
| Grandma's Kitchen Limited | Hospitality | 2025 |
| Granite Axis Limited | Professional & scientific | 2025 |
| Granite Coast Ltd | Extraterritorial | 2012 |
| Grants Investment Ltd | Arts & recreation | 2018 |
| Graspo Ltd | Wholesale & retail | 2020 |
| Gray Dimensions Limited | Public administration | 2014 |
| Graybrook Property Limited | Real estate | 2015 |
| Greally Transport Limited | Transport & logistics | 2014 |
| Great People Limited | Administrative & support | 2016 |
| Great Tiles Ltd | Wholesale & retail | 2026 |
| Green & Ellison Ltd | Professional & scientific | 2015 |
| Green Envy Lawn Treatment Limited | Administrative & support | 2006 |
| Green Future Recycling Limited | Wholesale & retail | 2002 |
| Green M Holdings Limited | Financial services | 2025 |
| Green M Limited | Other services | 2007 |
| Green M Properties Limited | Real estate | 2024 |
| Green MAN Tyre & Exhaust Limited | Wholesale & retail | 1977 |
| Green Peak Electrical Group Ltd | Manufacturing | 2026 |
| Green Sky Renewables Limited | Construction | 2022 |
| Green Team Lawncare Ltd | Administrative & support | 2024 |
| Greenapples Property Ltd | Hospitality | 2023 |
| Greencrest Estates Limited | Real estate | 2025 |
| Greener Parking Limited | Other services | 2011 |
| Greenfield Removals (Durham) Limited | Water & waste | 2022 |
| Greenfield Removals (Holdings) Limited | Extraterritorial | 2022 |
| Greenfield Removals Limited | Water & waste | 2016 |
| Greenhalgh Removals Ltd | Water & waste | 2018 |
| Greenmount Sports Consultancy Ltd | Professional & scientific | 2022 |
| Greenoak Consultancy Ltd | Professional & scientific | 2026 |
| Greenspace Group Ltd | Transport & logistics | 2023 |
| Greentrees International Limited | Wholesale & retail | 2006 |
| Greenview Car Sales Limited | Wholesale & retail | 2015 |
| Greenway Construction (NW) Ltd | Construction | 2015 |
| Greenwood Diagnostics Limited | Health & social care | 2025 |
| Greenwood Holdings NW Limited | Financial services | 2023 |
| Greenwood Technical Services Ltd | Manufacturing | 2020 |
| Greenwoods SD Ltd | Wholesale & retail | 2023 |
| Greg Longton Limited | Administrative & support | 2009 |
| Gregory Investments & Developments Limited | Construction | 2023 |
| Gregory Land Holdings Ltd | Real estate | 2019 |
| Gregory Property Maintenance Limited | Construction | 2022 |
| Gregorys Transport Limited | Transport & logistics | 2017 |
| Grey Matter Group Ltd | Construction | 2021 |
| Griffin Building Contractors Limited | Construction | 2010 |
| Grimshaw Project Consultancy Limited | Professional & scientific | 2009 |
| Gringo Products Ltd | Wholesale & retail | 2024 |
| GRO IT Limited | Wholesale & retail | 2019 |
| Grosvenor Wealth Management Limited | Financial services | 1999 |
| Grosvenor Windows & Doors (NW) Ltd | Financial services | 2015 |
| Grosvenor Windows & Doors Limited | Construction | 2019 |
| GROUP55 Limited | Manufacturing | 2002 |
| Growin UP (Denton) Limited | Education | 2023 |
| Growing Solutions Holdings Limited | Financial services | 2024 |
| Growing Solutions Limited | Manufacturing | 2006 |
| Growing Solutions Property Limited | Households | 2024 |
| GRS Instruments Limited | Health & social care | 2003 |
| GRS Projects Limited | Real estate | 2025 |
| Grub on the Go Ltd | Transport & logistics | 2025 |
| Grub Shack Burgers Ltd | Hospitality | 2022 |
| Grubs UP Wigan Limited | Hospitality | 2025 |
| Grundy's Lane Management Company Limited | Households | 1993 |
| Grundys Transport Ltd | Transport & logistics | 2009 |
| Gsop Nominees Limited | Financial services | 2021 |
| GTD Project Services Limited | Professional & scientific | 2019 |
| GTS Homes Ltd | Real estate | 2021 |
| Guardian Debt Solutions Ltd | Financial services | 2012 |
| Guardian Insolvency Ltd | Financial services | 2012 |
| Guardscan Europe Limited | Manufacturing | 1999 |
| Guardsman Specialist Protection Services Limited | Other services | 2016 |
| Guiding Star Home Help and Support Ltd | Health & social care | 2024 |
| Guildhall Preston Limited | Hospitality | 2025 |
| Gulzar Lettings Limited | Real estate | 2018 |
| Gumbley Investment Group Ltd | Water & waste | 2025 |
| Gunn Installations Limited | Construction | 2009 |
| Gurwin Ltd | Financial services | 2003 |
| Gutteridge Properties Ltd | Real estate | 2019 |
| Guttertek Ltd | Administrative & support | 2011 |
| Guys Transport Limited | Transport & logistics | 2016 |
| GW Groundwork Services Limited | Construction | 2006 |
| GWM Asset Management Limited | Financial services | 2015 |
| Gym Genius Ltd | Manufacturing | 2020 |
| Gymfox Ltd | Manufacturing | 2022 |
| Gymophobics (Beverley) Limited | Arts & recreation | 2012 |
| Gymworks Fulwood Limited | Arts & recreation | 2017 |
| Gymworks Holdings Limited | Financial services | 2017 |
| Gymworks Skelmersdale Ltd | Arts & recreation | 2022 |
| H & EM Properties Limited | Real estate | 2020 |
| H & J Randhawa Limited | Wholesale & retail | 2021 |
| H & S Healthcare Ltd | Health & social care | 2015 |
| H J Public House Ltd | Hospitality | 2020 |
| H Jacks Ltd | Information & communication | 2015 |
| H Martindale Mobile Valeting Ltd | Administrative & support | 2024 |
| H Roden Consultancy Ltd | Professional & scientific | 2026 |