| G111RLS Ltd | Wholesale & retail | 2019 |
| G2 (Holdings) Limited | Professional & scientific | 2008 |
| G3 (Derby) Limited | Hospitality | 2014 |
| G4 Civilz Ltd | Construction | 2025 |
| G4 Holdings Limited | Financial services | 2022 |
| G4 Homes Limited | Financial services | 2013 |
| G4 IT Services Limited | Information & communication | 2022 |
| G4 Master Construction System Limited | Construction | 2022 |
| G4 Master Limited | Construction | 2022 |
| G4 Offices 2 Limited | Real estate | 2024 |
| G4 Offices Limited | Real estate | 2022 |
| G4 Property Holdings Limited | Real estate | 2022 |
| G4 Real Estate Limited | Real estate | 2022 |
| G4 Residential Limited | Real estate | 2024 |
| G4 Shared Services Limited | Extraterritorial | 2022 |
| G4 Topco Limited | Financial services | 2024 |
| G4G Holdings Limited | Financial services | 2024 |
| G4G Quesada Limited | Real estate | 2024 |
| G4U PVT Ltd | Wholesale & retail | 2025 |
| G51 Property Limited | Real estate | 2025 |
| GA Catering Derby Ltd | Wholesale & retail | 2022 |
| GA Consultancy (Midlands) Limited | Financial services | 2025 |
| GA Fitness Ltd | Arts & recreation | 2025 |
| GA Property Developers Ltd | Real estate | 2024 |
| Gables Rentals Limited | Real estate | 2025 |
| Gabo House Limited | Real estate | 2024 |
| Gabriella Erixon Ltd | Information & communication | 2017 |
| Gabru Cutz Barbers Ltd | Other services | 2024 |
| Gadsby Nichols Limited | Extraterritorial | 2014 |
| Gadsby Orridge Limited | Real estate | 1987 |
| Gain Care - Derby Limited | Health & social care | 2021 |
| Gainsborough Business Space Limited | Real estate | 1987 |
| Gainsborough Leisure Limited | Hospitality | 1986 |
| Gakhar LLP | | 2024 |
| Galactic Gadgets Ltd | Wholesale & retail | 2020 |
| Galavanting Ltd | Health & social care | 2023 |
| Galfano Ltd | Professional & scientific | 2021 |
| Galikov Solutions Ltd | Information & communication | 2019 |
| Gallant Media Group Ltd | Professional & scientific | 2025 |
| Gallantry Services Ltd | Real estate | 2025 |
| Galleon Property Ltd | Real estate | 2010 |
| Gallier Property Management Limited | Real estate | 2018 |
| Gallier Real Estate Limited | Real estate | 2019 |
| Gallison Property Management Limited | Real estate | 2019 |
| Gambl Ltd | Information & communication | 2022 |
| Game Changer Performance Centre Limited | Arts & recreation | 2015 |
| Game Changing Products Limited | Wholesale & retail | 2025 |
| Gamesphere Designs Ltd | Information & communication | 2026 |
| Gamma Denali Solutions Ltd | Administrative & support | 2025 |
| Gamma Media Group Ltd | Information & communication | 2021 |
| Ganga DIN Limited | Extraterritorial | 2003 |
| Ganika Limited | Transport & logistics | 2025 |
| Ganley Leisure Limited | Wholesale & retail | 2017 |
| Ganymede Solutions Limited | Administrative & support | 1998 |
| GAOSHAN666 Limited | Hospitality | 2025 |
| GAP24 Support Ltd | Health & social care | 2025 |
| Gapro Holdings Limited | Financial services | 2016 |
| Gapro Limited | Professional & scientific | 2013 |
| GAR Estates Ltd | Real estate | 2026 |
| Garage Door Repair MAN Limited | Construction | 2015 |
| Garcha M Services Ltd | Construction | 2025 |
| Garcha News Limited | Wholesale & retail | 2014 |
| Garden ANT Ltd | Administrative & support | 2024 |
| Garden City Apartments Limited | Households | 2017 |
| Garden Irrigation London Ltd | Administrative & support | 2025 |
| Gardens MD Ltd | Administrative & support | 2021 |
| Gardner Aerospace - Basildon Limited | Manufacturing | 2000 |
| Gardner Aerospace - Consett Limited | Manufacturing | 2016 |
| Gardner Aerospace - Derby Limited | Manufacturing | 1998 |
| Gardner Aerospace - Wales Limited | Manufacturing | 1969 |
| Gardner Aerospace Limited | Financial services | 2012 |
| Gardner Aerospace Operations UK Limited | Manufacturing | 2003 |
| Gardner Hair Limited | Other services | 2018 |
| Gardner Property Solutions Ltd | Households | 2025 |
| Gareth Davies Boiler Repair Limited | Manufacturing | 2014 |
| Garmendale Engineering Limited | Construction | 1989 |
| Garnacha Ltd | Hospitality | 2018 |
| Garrick Watchmakers Ltd | Wholesale & retail | 2012 |
| Garry Construction Ltd | Construction | 2024 |
| Garv Transport Ltd | Extraterritorial | 2025 |
| Gary Ireson Groundworks Limited | Construction | 2024 |
| Gary Parsons UK Limited | Professional & scientific | 2024 |
| Gary R Owens Limited | Financial services | 2021 |
| Gary Roll Consulting Limited | Information & communication | 2016 |
| GAS Mark Appliances Limited | Wholesale & retail | 2014 |
| GAS Servicing Engineers Limited | Construction | 2017 |
| GAS Solution Services Ltd | Construction | 2025 |
| Gaskell Building Surveying Limited | Professional & scientific | 2010 |
| Gasmatt Pro Ltd | Construction | 2026 |
| Gastro PUB Stenson Limited | Hospitality | 2022 |
| Gastrolabs Ltd | Hospitality | 2025 |
| Gastropubs Stenson Limited | Hospitality | 2024 |
| Gate Eighty Nine Limited | Real estate | 2020 |
| Gate House Fold Management Company Limited | Households | 2014 |
| Gate Twenty Three Limited | Extraterritorial | 2022 |
| Gateway Developments (Bushby) Limited | Extraterritorial | 2007 |
| Gateway Developments (Darley Abbey) Limited | Extraterritorial | 2006 |
| Gateway Developments (Derby) Limited | Extraterritorial | 2005 |
| Gateway Surveying Services Limited | Professional & scientific | 2005 |
| Gattzbee Plumbing & Heating Ltd | Construction | 2013 |