| GNS Group Holdings Limited | Financial services | 2026 |
| Go Agency Ltd | Arts & recreation | 2012 |
| Go Buy Anything Ltd | Real estate | 2021 |
| Go Languages World Wide Limited | Education | 2009 |
| Go Promotions Ltd | Wholesale & retail | 2021 |
| Go-Airport-Transfer Limited | Transport & logistics | 2025 |
| Goals Nutrition Conditioning Fitness Studio Ltd | Arts & recreation | 2019 |
| Gold Bridge Worldwide Limited | Professional & scientific | 2009 |
| Gold Standard Document Solutions Ltd | Wholesale & retail | 2010 |
| Golden BOY Properties Limited | Real estate | 2000 |
| Golden Carousel Limited | Arts & recreation | 2007 |
| Golden Dragon 228 Ltd | Hospitality | 2024 |
| Golden Pride Export Limited | Wholesale & retail | 2013 |
| Goldings Amenities Limited | Households | 1997 |
| Golf Foundation Enterprises Limited | Arts & recreation | 1997 |
| Gomareli Ltd | Wholesale & retail | 2021 |
| Goodjack Holdings Limited | Real estate | 2016 |
| Goodsell Estates Ltd | Real estate | 2017 |
| Goodwood Building Contractors Ltd | Construction | 2020 |
| Gorilla Carts & Kiosks Limited | Administrative & support | 2007 |
| GR8 Prestige Cars (London) Ltd | Wholesale & retail | 2019 |
| Grace Fields (Hilton Grange) Management Company Limited | Households | 2022 |
| Grace International Christian Centre (Gicc) Ltd | Real estate | 2019 |
| Gracious Grace Limited | Wholesale & retail | 2018 |
| Graffato Holdings Ltd | Professional & scientific | 2025 |
| Grahame Group Services Limited | Administrative & support | 2022 |
| Granary Mansions Management Limited | Households | 1988 |
| Grand Oak Estates Ltd | Construction | 2016 |
| Grane Mill Management Company Limited | Households | 2004 |
| Grange Fields (Robin Hood, Leeds) Management Company Limited | Households | 2002 |
| Grant Wright Associates LLP | | 2008 |
| Great Ashby (Nesc) Management Company Limited | Households | 2006 |
| Greater London Grocers Ltd | Wholesale & retail | 2013 |
| Greater London Scaffold Limited | Construction | 2013 |
| Greater London Scaffolding Limited | Construction | 2021 |
| Green Acre Pharm Limited | Extraterritorial | 2022 |
| Green Acre Salads Limited | Agriculture & fishing | 2016 |
| Green Energi Limited | Construction | 2026 |
| Green Future Vehicles Limited | Wholesale & retail | 2024 |
| Green Lanes Management Company Limited | Households | 1999 |
| Greenacres (Compton) Management Company Limited | Households | 2015 |
| Greenacres at Wortley Management Limited | Households | 2002 |
| Greencoates Management Company Limited | Households | 1970 |
| Greener Court RTM Company Limited | Households | 2018 |
| Greenspark Electrical Ltd | Construction | 2018 |
| Greenwood (Eccles) Management Company Limited | Households | 2006 |
| Gregorio's Produce Limited | Agriculture & fishing | 2013 |
| Greyscapeworld Limited | Wholesale & retail | 2017 |
| Griffin Marina Limited | Real estate | 2012 |
| Griptone Limited | Manufacturing | 1987 |
| Grizzle Holdings Limited | Wholesale & retail | 2025 |
| Groital Holdings Limited | Financial services | 2019 |
| Groovy Content Creation Ltd | Arts & recreation | 2024 |
| Gross Fine | Professional & scientific | 1976 |
| Gross Fine (Holdings) Limited | Professional & scientific | 1982 |
| Gross Fine Management Limited | Professional & scientific | 1978 |
| Gross Fine Services Limited | Professional & scientific | 1985 |
| Grove Farm (Doncaster) Management Company Limited | Households | 2018 |
| Grove House RTM Co Ltd | Households | 2013 |
| Grove Mews Management Limited | Households | 1987 |
| Grover Building Ltd | Construction | 2020 |
| GRW Construction Limited | Construction | 2002 |
| GRZ Group Ltd | Wholesale & retail | 2025 |
| GS Accounting Limited | Professional & scientific | 2019 |
| GS Accounting Solutions Limited | Professional & scientific | 2012 |
| GS Investments & Developments Limited | Real estate | 2021 |
| Gsll Complex Engineering Ltd | Construction | 2019 |
| GTM Granite Limited | Construction | 2013 |
| GTM UK Properties Ltd | Real estate | 2019 |
| Guadanica Ltd | Wholesale & retail | 2025 |
| Guardian Chambers Limited | Professional & scientific | 2021 |
| Guddall Investments Limited | Construction | 2017 |
| Guddemi Developments Limited | Construction | 2016 |
| Guddemi Investments Limited | Construction | 2016 |
| Guild House (Chelmsford) Management Company Limited | Households | 2009 |
| Guinea Hall Farm Management Company Limited | Households | 2001 |
| GUY & JOE Ice Cream Ltd | Manufacturing | 2005 |
| GVB Motor Services Limited | Wholesale & retail | 2012 |
| H&P Carpets (Brightlingsea) Limited | Other services | 2015 |
| H&R Investments Ltd. | Construction | 2018 |
| HA1 Deepdale Management Company Limited | Households | 2016 |
| Hadleigh Motors Herts Ltd | Wholesale & retail | 2024 |
| Hadley Brook Consulting Ltd | Professional & scientific | 2023 |
| Hafnium Ltd | Professional & scientific | 2019 |
| Haighton Court (Nantwich) Management Company Limited | Households | 2006 |
| Hainault North Road (Management) Limited | Households | 2015 |
| Halaya Beauty Ltd | Wholesale & retail | 2026 |
| Hale Grange Management Company Limited | Administrative & support | 2005 |
| Halfhide Services Ltd | Health & social care | 2014 |
| Halo Ventilation Services Limited | Construction | 2013 |
| Halstock Place (Poundbury) Management Company Limited | Households | 2024 |
| Hamdan Trading Ltd | Wholesale & retail | 2013 |
| Hamlet Travel Limited | Wholesale & retail | 2000 |
| Hamont Investments Ltd | Real estate | 2025 |
| Hampton 55 (Teddington) Management Company Limited | Households | 2004 |
| Hampton Court (Widnes) Management Company Limited | Households | 1999 |
| Hampton Grange (GT Barr) Management Company Limited | Households | 2005 |
| Hanar Cars (UK) Ltd | Wholesale & retail | 2014 |
| Hanar Property Investments Ltd | Real estate | 2022 |
| Hanbury View Management Ltd | Real estate | 2025 |