| Galaxy Mobiles Ltd | Wholesale & retail | 2016 |
| Galaxy Properties (Manchester) Limited | Real estate | 2013 |
| Galaxy PVT Ltd | Wholesale & retail | 2025 |
| Galaxy Topco Limited | Professional & scientific | 2013 |
| Galaxy Vapours Ltd | Wholesale & retail | 2017 |
| Galaxy Web Hosting Ltd | Information & communication | 2019 |
| Galaxygadget Ltd | Wholesale & retail | 2026 |
| Galaxypeak Capital Partners Ltd | Extraterritorial | 2025 |
| Galaxypeak Global Capital Ltd | Extraterritorial | 2025 |
| Galaxyquest Global Capital Ltd | Extraterritorial | 2025 |
| Gale Force Cases Ltd | Wholesale & retail | 2005 |
| Galen (Manchester) Limited | Financial services | 2014 |
| Galen Research Limited | Professional & scientific | 2007 |
| Galen Trustee Limited | Professional & scientific | 2020 |
| Galene Consulting Limited | Professional & scientific | 2015 |
| Galeonetec Trade Ltd | Construction | 2020 |
| Galgani Hair HQ Ltd | Other services | 2025 |
| Galglass Limited | Manufacturing | 1979 |
| Galibier PR Limited | Professional & scientific | 2013 |
| Galimune Ltd | Wholesale & retail | 2022 |
| Galiska Limited | Professional & scientific | 2023 |
| Galium Limited | Wholesale & retail | 2014 |
| Gall Uroanaesthesia Ltd | Health & social care | 2026 |
| Gallacom Group Ltd | Financial services | 2025 |
| Gallacom Holdings Bury Limited | Real estate | 2022 |
| Gallacom Ltd. | Real estate | 2017 |
| Gallacom Maintenance Services Ltd | Real estate | 2016 |
| Gallacom Master Lease Holdings Ltd | Real estate | 2015 |
| Gallacom Property Ltd | Real estate | 2019 |
| Gallaflex Ltd | Real estate | 2023 |
| Gallagher CS Ltd | Real estate | 2024 |
| Gallagher Motors NW Ltd | Wholesale & retail | 2020 |
| Gallagher Quantum Ltd | Professional & scientific | 2019 |
| Gallant Healthcare Limited | Health & social care | 2023 |
| Gallant TEX Limited | Wholesale & retail | 2010 |
| Gallatas LLP | | 2012 |
| Gallaway Construction Limited | Construction | 2002 |
| Gallaway Infrastructure Limited | Construction | 2017 |
| Galleria DEL Pace Ltd | Wholesale & retail | 2026 |
| Galleria Homes Ltd | Construction | 2016 |
| Gallery Global Investment Ltd | Real estate | 2018 |
| Gallipoli Limited | Professional & scientific | 2008 |
| Gallon Interiors Ltd | Professional & scientific | 2015 |
| Gallowgate Advisory Ltd | Professional & scientific | 2025 |
| Gallpark Holdings Limited | Real estate | 2025 |
| Galmay (Contractors) Limited | Construction | 2010 |
| Galo BI Limited | Information & communication | 2020 |
| Galros Limited | Construction | 2019 |
| Galva Group Ltd | Wholesale & retail | 2018 |
| Galvan Holdings Ltd | Wholesale & retail | 2020 |
| Galvenza Ltd | Wholesale & retail | 2025 |
| Galvia AI UK Limited | Information & communication | 2025 |
| Galvin Galvin Ltd | Professional & scientific | 2021 |
| Galvin Projects Limited | Construction | 2009 |
| Galway + Derry Holdings Limited | Wholesale & retail | 2024 |
| Galway Grove Limited | Wholesale & retail | 2022 |
| Galways Logistics UK Ltd | Transport & logistics | 2022 |
| Galwaystore Ltd | Wholesale & retail | 2022 |
| Galya Style Limited | Wholesale & retail | 2025 |
| Gama Care Homes Ltd | Real estate | 2021 |
| Gama Information Services Limited | Professional & scientific | 2013 |
| Gama Property Investments Limited | Real estate | 2024 |
| Gambia UK Trading Limited | Wholesale & retail | 2019 |
| Gambino Holdings Limited | Real estate | 2024 |
| Gamdesigners Ltd | Extraterritorial | 2018 |
| Game Impulse Limited | Wholesale & retail | 2023 |
| Game Lounge UK Ltd | Information & communication | 1992 |
| Game Mode Ltd | Information & communication | 2024 |
| Game Retail Limited | Wholesale & retail | 2011 |
| Game Trick Ltd | Wholesale & retail | 2016 |
| Game Wires Ltd | Wholesale & retail | 2019 |
| Gamebrother Ltd | Manufacturing | 2025 |
| Gamechanger Golf Limited | Arts & recreation | 2022 |
| Gamecock Limited | Construction | 2018 |
| Gamecraftery Ltd | Wholesale & retail | 2024 |
| Gamepower UK Limited | Wholesale & retail | 2023 |
| Gamer Wager Limited | Information & communication | 2017 |
| Gamesterinc Limited | Information & communication | 2022 |
| Gamez Galore Limited | Wholesale & retail | 2011 |
| Gaming Nectar Ltd | Wholesale & retail | 2020 |
| Gamingbible Limited | Extraterritorial | 2016 |
| Gamma Business Communications Limited | Information & communication | 1994 |
| Gamma Communications NO1 Limited | Information & communication | 2022 |
| Gamma Communications PLC | Information & communication | 2014 |
| Gamma Europe Holdco Limited | Information & communication | 2020 |
| Gamma for Trading & Services Limited | Extraterritorial | 2026 |
| Gamma Group Holdings Limited | Information & communication | 2020 |
| Gamma Managed Services Limited | Information & communication | 2010 |
| Gamma Medical Limited | Administrative & support | 2023 |
| Gamma Network Solutions Limited | Information & communication | 2009 |
| Gamma Rise Capital Ventures Ltd | Extraterritorial | 2026 |
| Gamma Telecom Holdings Limited | Information & communication | 2001 |
| Gamma Telecom Ltd | Information & communication | 2001 |
| Gammahill Limited | Information & communication | 2025 |
| Gammalink Ltd | Wholesale & retail | 2026 |
| Gammexa Ltd | Information & communication | 2014 |
| Gammon Brands Limited | Manufacturing | 2025 |
| Gamny Limited | Health & social care | 2012 |
| Gamode Properties Ltd | Real estate | 2019 |
| Gamrtradr Ltd | Wholesale & retail | 2020 |