| Graystone Construction Services Ltd | Construction | 2013 |
| Graystone Formwork Limited | Construction | 2014 |
| Graystone Plant Hire Limited | Construction | 2014 |
| Grazie Designs Ltd | Construction | 2025 |
| Grbk Properties Limited | Real estate | 2026 |
| GRD Transport Ltd | Transport & logistics | 2020 |
| GRE Solutions Limited | Information & communication | 2007 |
| Greaner Cleen Energy Limited | Professional & scientific | 2023 |
| Great Bridge Cars Limited | Wholesale & retail | 2016 |
| Great Bridge Lodge Ltd | Construction | 2022 |
| Great Dalby Ltd | Administrative & support | 2022 |
| Great Genius Cinema Ltd | Information & communication | 2020 |
| Great Genius Photo & Cinema Ltd | Information & communication | 2018 |
| Great Genius Transport Ltd | Transport & logistics | 2018 |
| Great Moore Trees Limited | Other services | 2003 |
| Great Sienna Holdings Unlimited | Administrative & support | 2019 |
| Great WOL Limited | Transport & logistics | 2026 |
| Great Wyrley FC (1966) Ltd | Arts & recreation | 2014 |
| Greatdealsitems Ltd | Wholesale & retail | 2021 |
| Greater Dimensions Worship Centre Ltd | Other services | 2024 |
| Greater Healthcare Services Ltd | Wholesale & retail | 2018 |
| Greatlance ENT. Dynamics Limited | Wholesale & retail | 2026 |
| Greatseaslope Ltd | Administrative & support | 2022 |
| Green 'N' BLU Ltd | Wholesale & retail | 2024 |
| Green Acres, ST. Georges Ltd | Real estate | 2023 |
| Green Agents WV Ltd | Construction | 2019 |
| Green AI Ltd | Information & communication | 2023 |
| Green and Bowen Systems Limited | Information & communication | 1991 |
| Green and Gleaming Cleaning Limited | Professional & scientific | 2025 |
| Green Brick Homes Ltd | Real estate | 2016 |
| Green Circle Contractors Limited | Construction | 2025 |
| Green Croft Property Ltd | Real estate | 2023 |
| Green Crow Family Consultants Limited | Professional & scientific | 2024 |
| Green Crow Family Holdings Limited | Professional & scientific | 2024 |
| Green Curve Solutions Ltd. | Construction | 2018 |
| Green Deal BIZ (UK) Limited | Wholesale & retail | 2013 |
| Green Eco Energy Solutions Limited | Professional & scientific | 2020 |
| Green Global Recycling Ltd | Water & waste | 2016 |
| Green Heat Club Ltd | Wholesale & retail | 2022 |
| Green Knight Pest Control Limited | Health & social care | 2026 |
| Green Logistics Group Limited | Water & waste | 2023 |
| Green MAX Management Limited | Real estate | 2017 |
| Green Monkey Drinks Ltd | Manufacturing | 2018 |
| Green Phoenix Solutions U.K. Ltd | Administrative & support | 2018 |
| Green World Trade Ltd | Information & communication | 2025 |
| Green-E Web Design Limited | Information & communication | 1999 |
| Greenacres South Staffs Limited | Other services | 2025 |
| Greenblossom Ltd | Transport & logistics | 2019 |
| Greenbriar Management Services Limited | Information & communication | 2022 |
| Greenclean Maintenance Services Limited | Administrative & support | 2002 |
| Greendale Trading Limited | Extraterritorial | 2011 |
| Greendelf Ltd | Wholesale & retail | 2025 |
| Greendrive Autos Limited | Wholesale & retail | 2025 |
| Greener Days Ltd | Professional & scientific | 2026 |
| Greenfields Holdings Limited | Manufacturing | 1998 |
| Greenford Development Group Limited | Construction | 2025 |
| Greengribbit Limited | Wholesale & retail | 2016 |
| Greenhill Consult Limited | Construction | 2023 |
| Greenhill Works Ltd | Construction | 2024 |
| Greenlab Pestcontrol Limited | Administrative & support | 2013 |
| Greenline Garden Care Ltd | Administrative & support | 2026 |
| Greens Property Group Limited | Real estate | 2025 |
| Greenseal Windows & Doors Limited | Construction | 2022 |
| Greenspace Grounds Maintenance Limited | Other services | 2021 |
| Greenstone Advisory Ltd | Professional & scientific | 2026 |
| Greenway House Residential Home Holdings Limited | Financial services | 2021 |
| Greenway House Residential Home Limited | Health & social care | 2013 |
| Greenwich Global Ltd | Wholesale & retail | 2024 |
| Greenwood Slade Development Company Limited | Households | 1990 |
| Gregory and Davis Transport Limited | Transport & logistics | 1997 |
| Grelson Holdings Ltd | Financial services | 2023 |
| Grelson Limited | Administrative & support | 2004 |
| Grere Ltd | Construction | 2017 |
| Grevy Property Development Limited | Financial services | 2024 |
| Grewal Transport Ltd | Transport & logistics | 2026 |
| Grey Gates Investments Limited | Real estate | 2021 |
| Grey Healthcare Limited | Public administration | 2023 |
| Grey Iron Castings (Willenhall) Limited | Manufacturing | 1963 |
| Grey Star Construction Ltd | Construction | 2024 |
| Greyhound Garage Ltd | Real estate | 2021 |
| Greyhours Maintenance Ltd | Construction | 2023 |
| Greymatter Private Ltd | Wholesale & retail | 2011 |
| Greyrock Construction Ltd | Construction | 2023 |
| Greyrock Construction Services Ltd | Construction | 2023 |
| Greyrock Estates Ltd | Real estate | 2023 |
| Greysoft Ltd | Information & communication | 1996 |
| Greystone Lettings and Property Management Ltd | Real estate | 2006 |
| Greystone Performance Limited | Wholesale & retail | 2024 |
| Greytona Limited | Construction | 2019 |
| Grid Force Utiliities Ltd | Professional & scientific | 2026 |
| Grifcon Limited | Professional & scientific | 2010 |
| Grifdean Limited | Extraterritorial | 2011 |
| Griffin 3D Design Limited | Professional & scientific | 2006 |
| Griffin Autofit Ltd | Wholesale & retail | 2018 |
| Griffin Bridge Limited | Real estate | 2015 |
| Griffin Bros Properties Limited | Real estate | 2026 |
| Griffin Business Transformation Group Limited | Professional & scientific | 2021 |
| Griffin Logistics Ltd | Transport & logistics | 2025 |
| Griffins Trading Limited | Real estate | 2021 |
| Griffiths Drive 11/07/1962 Limited | Extraterritorial | 2014 |