| Galbraith House Ltd | Real estate | 2016 |
| Gale & Co Limited | Wholesale & retail | 2010 |
| Gale & Company (Moor Street) Limited | Manufacturing | 1933 |
| Galen Formulas Ltd | Wholesale & retail | 2021 |
| Galeo Consulting Group Ltd | Extraterritorial | 2024 |
| Gales Recovery Ltd | Wholesale & retail | 2023 |
| Galewest Limited | Hospitality | 1988 |
| Galgar Limited | Real estate | 2011 |
| Galgir Limited | Wholesale & retail | 2024 |
| Galiano Ltd | Hospitality | 2023 |
| Gall&Hall Electrical Ltd | Construction | 2025 |
| Gallagher Property Developers Limited | Other services | 2005 |
| Gallagher Strategic Advisory Limited | Professional & scientific | 2026 |
| Gallan Developments Limited | Real estate | 2005 |
| Gallan Group Limited | Real estate | 2010 |
| Gallan Holdings Limited | Real estate | 2013 |
| Gallan Properties Limited | Real estate | 1995 |
| Gallan Residential Limited | Construction | 2003 |
| Gallan Stoford Liverpool Limited | Real estate | 2012 |
| Galland Consultancy Limited | Professional & scientific | 2016 |
| Gallant Homes Developments Limited | Construction | 2025 |
| Galleon Jewellery 2007 Limited | Wholesale & retail | 2006 |
| Galleon Systems Limited | Manufacturing | 1993 |
| Gallifrey Games Ltd | Wholesale & retail | 2024 |
| Gallons Midlands Ltd | Manufacturing | 2013 |
| Galloway Concepts Limited | Health & social care | 2021 |
| Gallus Fields Residents Management Company Limited | Households | 2015 |
| Galvanised Sheets & Coil Limited | Wholesale & retail | 1971 |
| Galvin Marine Engineering Ltd | Manufacturing | 2020 |
| Galway Overseas Corp Limited | Financial services | 2011 |
| Galweyne Rubbish Ltd | Water & waste | 2025 |
| Galysrl Ltd | Transport & logistics | 2019 |
| GAM Care Services Limited | Health & social care | 2025 |
| Gamaegis Ltd | Information & communication | 2023 |
| Gamage Construction Solutions Limited | Construction | 2017 |
| Gambarra Capital Limited | Professional & scientific | 2025 |
| Gambole Limited | Administrative & support | 2019 |
| Gamdoc Limited | Information & communication | 2025 |
| Game Labs Studios Ltd | Information & communication | 2023 |
| Game Master Limited | Wholesale & retail | 2012 |
| Game Over Ltd | Manufacturing | 2020 |
| Game Vault Group Ltd | Information & communication | 2026 |
| Gamebird Ltd | Information & communication | 2025 |
| Gamechangers - Aftersport CIC | Professional & scientific | 2024 |
| Games 4 ALL Limited | Education | 2010 |
| Gamg Services Limited | Health & social care | 2023 |
| Gaming PC Bundle Limited | Wholesale & retail | 2022 |
| GAMING4EVENTS Limited | Arts & recreation | 2018 |
| Gamingtechlab Limited | Other services | 2025 |
| Gamma Property Company Limited | Real estate | 2024 |
| Gamma Talent Ltd | Administrative & support | 2018 |
| Gamvision Health and Social Care Limited | Health & social care | 2024 |
| Gamzo Distributions Ltd | Wholesale & retail | 2023 |
| GAN FAN REN Limited | Hospitality | 2023 |
| GAN Infotek Ltd | Information & communication | 2022 |
| Ganaa Ltd | Wholesale & retail | 2017 |
| Ganbarou UK Limited | Manufacturing | 2017 |
| Ganda Fadiga Ltd | Administrative & support | 2016 |
| Gandaal Ltd Ltd | Information & communication | 2025 |
| Ganderton (Archway Motors) Limited | Wholesale & retail | 2014 |
| Gandiva Ventures Ltd | Wholesale & retail | 2025 |
| Gang CIC | Education | 2019 |
| Ganitele Investments UK Ltd | Real estate | 2021 |
| Gann Electrical Engineers Ltd | Construction | 2016 |
| Gannaway Consulting Ltd | Real estate | 2018 |
| Gannon Communications Limited | Professional & scientific | 1998 |
| Gannon Office Solutions UK Limited | Wholesale & retail | 2023 |
| Ganonshin Ltd | Real estate | 2026 |
| Ganpati Bakeries Limited | Hospitality | 2015 |
| Ganpati Services Limited | Transport & logistics | 2014 |
| Ganthlerix Ltd | Administrative & support | 2021 |
| Ganttiar Ltd | Health & social care | 2015 |
| Gaode UK Travel Ltd | Transport & logistics | 2023 |
| GAP Enterprise Ltd | Construction | 2025 |
| GAP Interiors Limited | Construction | 2019 |
| GAP International CIC | Health & social care | 2021 |
| GAP Media Limited | Professional & scientific | 2024 |
| GAP-22 Ltd | Hospitality | 2019 |
| Gapplip Investments Limited | Real estate | 2010 |
| Gaps Engineering Limited | Manufacturing | 2018 |
| GAQ Global Ltd | Wholesale & retail | 2025 |
| GAR Transport Limited | Transport & logistics | 2016 |
| Garaad Ltd | Transport & logistics | 2025 |
| Garad Consultancy Limited | Information & communication | 2021 |
| Garage 027 Ltd | Wholesale & retail | 2025 |
| Garage Landlord Services Ltd | Households | 2021 |
| Garage Near ME Ltd | Wholesale & retail | 2025 |
| Garage Wire Limited | Information & communication | 2012 |
| Garageforall Ltd | Wholesale & retail | 2025 |
| Garagetech Consulting Limited | Information & communication | 2026 |
| Garaje Trade Global Ltd | Wholesale & retail | 2025 |
| Garam Investments Ltd | Real estate | 2016 |
| Garantia Solutions Limited | Professional & scientific | 2022 |
| Garbanzo Snacks Ltd | Manufacturing | 2012 |
| Garbenavi Ltd | Real estate | 2019 |
| Garbett Property Ltd | Real estate | 2024 |
| Garc.D Ltd | Transport & logistics | 2022 |
| Garcha Brothers 2 Ltd | Hospitality | 2024 |
| Garcha Brothers 3 Ltd | Hospitality | 2024 |
| Garcha Brothers Ltd | Hospitality | 2007 |