| Glassbox Collective Ltd | Wholesale & retail | 2019 |
| GLD Agency & Co Ltd | Other services | 2012 |
| GLI (UK) LLP | | 2023 |
| Gliga Group Limited | Transport & logistics | 2017 |
| Global Cards International Limited | Information & communication | 2005 |
| Globeconn Ltd | Information & communication | 2025 |
| Glorem Universal Services Ltd | Wholesale & retail | 2021 |
| Glory Choices Limited | Professional & scientific | 2023 |
| Glowhood Ltd | Real estate | 2025 |
| GLS International Trading Ltd | Wholesale & retail | 2026 |
| GMD Mobiles Ltd | Wholesale & retail | 2023 |
| GMG Harbour Limited | Real estate | 2019 |
| GN Drives and Automation Ltd | Information & communication | 2010 |
| Gnics Limited | Construction | 2018 |
| Gnics Properties Ltd | Real estate | 2026 |
| GNS Consultancy Solutions Limited | Professional & scientific | 2017 |
| Go Monitor Limited | Professional & scientific | 2019 |
| Go Outpaws Ltd | Other services | 2023 |
| Go Stack Ltd | Construction | 2026 |
| Goalbridge Ltd | Other services | 2026 |
| Godiva Digital Limited | Manufacturing | 2009 |
| Golane Limited | Transport & logistics | 2025 |
| Golby Aboyne Limited | Administrative & support | 2000 |
| Goldcrest Machine Movers Ltd | Manufacturing | 2013 |
| Golddragonunion Limited | Extraterritorial | 2024 |
| Golden Minute Ltd | Wholesale & retail | 2021 |
| Golden Star GS Ltd | Transport & logistics | 2023 |
| Goldfish Tackle Ltd | Agriculture & fishing | 2014 |
| Goldings Distillery Ltd | Manufacturing | 2019 |
| Golds Consulting Ltd | Professional & scientific | 2016 |
| Golfstores Retail Limited | Wholesale & retail | 2021 |
| Gomez TM Ltd | Construction | 2024 |
| Good CHI Services Limited | Administrative & support | 2015 |
| Good Sector Software Consultancy Limited | Information & communication | 2022 |
| Good Shepherd Nuneaton Ltd | Health & social care | 2024 |
| Goodcaresolutions Limited | Health & social care | 2022 |
| Goodley Bros. Ltd | Manufacturing | 2023 |
| Goodwin & Co Consulting Ltd | Professional & scientific | 2025 |
| Goodwin & Co Wellsborough Ltd | Manufacturing | 2025 |
| Goodys Exotic Drinks Limited | Manufacturing | 2025 |
| Gopsall Park Management Company Ltd | Real estate | 2022 |
| Gorkha Cleaning Ltd | Administrative & support | 2023 |
| Gothick Property Limited | Real estate | 2020 |
| Govindji Limited | Real estate | 2025 |
| GR8 York Ltd | Real estate | 2025 |
| Grace Health Ltd | Health & social care | 2014 |
| Grace Property Developers PVT Ltd | Real estate | 2025 |
| Gracefield Holdings Limited | Financial services | 2024 |
| Gracefield Property Ltd | Real estate | 2025 |
| Gradewell Services Limited | Construction | 2018 |
| Gradewell Testing Services Ltd | Construction | 2019 |
| Gradinar Transport Ltd | Transport & logistics | 2026 |
| Graduates in Film C.I.C. | Information & communication | 2024 |
| Graeme Watkins Railways Limited | Transport & logistics | 2004 |
| Grafters Group Real Estate Ltd | Real estate | 2022 |
| Grand Fitness Limited | Arts & recreation | 2016 |
| Granite Hill Crafts Ltd | Wholesale & retail | 2018 |
| Granite Memorials UK Limited | Wholesale & retail | 2024 |
| Grasmere Properties Limited | Real estate | 2025 |
| Graupon Limited | Wholesale & retail | 2025 |
| Grayson Place (Nbbc) Ltd | Hospitality | 2024 |
| Grears Holdings Ltd | Extraterritorial | 2024 |
| Greatness Academy Ltd | Professional & scientific | 2024 |
| Greaves Brothers Limited | Real estate | 1931 |
| Greedykitchenn Ltd | Hospitality | 2023 |
| Green and Grain Ltd | Wholesale & retail | 2024 |
| Green CAB Ltd | Transport & logistics | 2022 |
| Green Flare Properties Ltd | Real estate | 2024 |
| Green Hawk Construction Limited | Construction | 2019 |
| Green Horizon Ventures Ltd | Financial services | 2024 |
| Green LEE Financial Ltd | Professional & scientific | 2014 |
| Green Shoots Muddy Boots Ltd | Education | 2023 |
| Green Tech (Midlands) Ltd | Administrative & support | 2023 |
| Greenacres Garden Café Limited | Hospitality | 2015 |
| Greener Gardening and Landscaping Ltd | Administrative & support | 2024 |
| Greengate Walk Management Company Ltd | Real estate | 2014 |
| Greenleaf Trees & Fencing Ltd | Administrative & support | 2026 |
| Greenlight Surveyors Ltd | Professional & scientific | 2024 |
| Greenmore Healthcare Services Ltd | Public administration | 2020 |
| Greenway Holdings Limited | Real estate | 2019 |
| Greenway Rentals Limited | Real estate | 2025 |
| Greenway Residential Limited | Real estate | 2022 |
| Greenwood Solutions (UK) Ltd | Other services | 2013 |
| Greyhound Transport (Midlands) Limited | Transport & logistics | 1997 |
| Greyscan Detection UK Ltd | Professional & scientific | 2026 |
| Griffin Pets & Plants Ltd | Wholesale & retail | 2025 |
| Griffiths Building & Property Maintenance Ltd | Construction | 2012 |
| Grigoro Software Limited | Information & communication | 2009 |
| GRJ Retail Group Ltd | Hospitality | 2021 |
| Ground Source Consult Ltd | Professional & scientific | 2013 |
| Ground Source Innovation Ltd | Professional & scientific | 2013 |
| Groundworks Unlimited (UK) Ltd | Construction | 2022 |
| Grove Homes (Warwickshire) Ltd | Construction | 2019 |
| Growth in Progress Coaching Ltd | Professional & scientific | 2024 |
| GRS (Roadstone) Limited | Mining & quarrying | 1996 |
| GRS (Roadstone) Trustees Limited | Administrative & support | 2000 |
| GRS Bagging Holdings Limited | Mining & quarrying | 2004 |
| GRS Building Products Limited | Wholesale & retail | 2000 |
| GRS Earth Solutions Limited | Mining & quarrying | 1968 |
| GRS Integrated Solutions Holdings Limited | Water & waste | 2013 |