| Fusion Technologies Limited | Wholesale & retail | 1993 |
| Future Food Partnership CIC | Administrative & support | 2024 |
| Future Signs (South West) Limited | Professional & scientific | 2016 |
| Future Wealth Ltd | Extraterritorial | 2022 |
| Fuze Consultancy Ltd | Professional & scientific | 2019 |
| G & a Properties Puxton Limited | Real estate | 2023 |
| G & E Haldane Limited | Construction | 2008 |
| G & S Carpets and Flooring Limited | Construction | 2019 |
| G B Sport & Leisure U K Limited | Arts & recreation | 2011 |
| G J Cleeves Limited | Transport & logistics | 2010 |
| G R Material Supplies Ltd | Professional & scientific | 2025 |
| G&B Management Ltd | Extraterritorial | 2020 |
| G.F. Parsons Limited | Construction | 2007 |
| G.L.G Electrical Limited | Construction | 2010 |
| G.M. Precision Engineering Limited | Professional & scientific | 2002 |
| Gaday Properties Limited | Real estate | 2021 |
| Gadgets 4 WSM Ltd | Other services | 2020 |
| Galin Dimov Ltd | Transport & logistics | 2019 |
| Gamb Limited | Hospitality | 2011 |
| Gambling Education Services Ltd | Professional & scientific | 2022 |
| Game of Homes (FRY Chapter) Ltd | Real estate | 2018 |
| Gameagent Services Limited | Agriculture & fishing | 1993 |
| Gamfederation CIC | Health & social care | 2023 |
| Gandercleugh Properties Limited | Real estate | 2019 |
| Gardner Projects Ltd | Manufacturing | 2025 |
| Garment Haus Ltd | Wholesale & retail | 2025 |
| Garner's Management Services Limited | Professional & scientific | 2015 |
| Garota Ltd | Real estate | 2026 |
| Garrett Solutions Ltd | Professional & scientific | 2026 |
| Garwood and Daughters Limited | Real estate | 2021 |
| Garwood House (Weston-Super-Mare) Maintenance Company Limited | Households | 1978 |
| GAS Detection & Alarm Systems Limited | Professional & scientific | 2013 |
| Gasman (Garry Johns) Limited | Construction | 2003 |
| Gass Investments Ltd | Real estate | 2011 |
| Gauntlett & Thompson Ltd | Real estate | 2025 |
| Gavan Property Ltd | Real estate | 2021 |
| GB Recruitment Services (UK) Ltd | Administrative & support | 2012 |
| GBS Logistics and Removals Ltd | Transport & logistics | 2026 |
| GC Cabling Solutions Ltd | Construction | 2018 |
| GCD Productions Limited | Arts & recreation | 2026 |
| Gcglobalsolutions Ltd | Health & social care | 2022 |
| GDM Mechanical Services Limited | Professional & scientific | 2014 |
| Gear Change Limited | Other services | 1995 |
| Gelato Bros Ltd | Manufacturing | 2020 |
| GENE17 Limited | Administrative & support | 2006 |
| Genesis Development Solutions Limited | Professional & scientific | 2007 |
| Genesis Recovery Housing Community Interest Company | Hospitality | 2014 |
| GEO Strata Ltd | Professional & scientific | 2016 |
| George 83 Ltd | Construction | 2024 |
| George Asher Limited | Manufacturing | 2023 |
| George Gibbs Online Coaching Limited | Arts & recreation | 2024 |
| George Street (Weston-Super-Mare) Management Company Limited | Households | 2021 |
| Georgierosecakes Ltd | Wholesale & retail | 2020 |
| Geppetto's Pizza Limited | Hospitality | 2025 |
| German Cars WSM Limited | Wholesale & retail | 2016 |
| GFP Consultancy Ltd | Administrative & support | 2015 |
| GG Autocare Ltd | Wholesale & retail | 2023 |
| Ghlb Property Ltd | Real estate | 2024 |
| Ghondughdi Food Ltd | Hospitality | 2025 |
| GHS 77 Transport Limited | Administrative & support | 2016 |
| Giant Compliance Ltd | Professional & scientific | 2026 |
| Giaretta Limited | Wholesale & retail | 2017 |
| Gibson Architecture Limited | Professional & scientific | 2020 |
| Giftworks (Holdings) Limited | Financial services | 2017 |
| Gilded Brothers Ltd | Wholesale & retail | 2025 |
| Gill UK Enterprise Ltd | Hospitality | 2026 |
| Gillards Grange Farm Ltd | Real estate | 2014 |
| Gintastic Rentals Ltd | Hospitality | 2020 |
| Girl at the Back Limited | Other services | 2015 |
| Giulio Ellis Limited | Hospitality | 2010 |
| Giulio's Boathouse Limited | Hospitality | 2022 |
| Giulio's Italian Ltd | Hospitality | 2011 |
| Giulios Gelato Ltd | Hospitality | 2021 |
| GK Nominees Limited | Extraterritorial | 2020 |
| Gladstones Lifetime Ltd | Health & social care | 2023 |
| Glamorous Nails TD Ltd | Other services | 2026 |
| Glaze-Tec Systems Ltd | Construction | 2012 |
| Glebe House (Weston) Limited | Real estate | 1990 |
| Glebe House Management Company Limited(The) | Other services | 1981 |
| Glencoe Radon GAS Centre Limited | Water & waste | 1992 |
| Glencroft Management Limited | Households | 2001 |
| Glenfall Mansions Management Company Limited | Households | 2016 |
| Glenn Banwell Freelance Design Ltd | Professional & scientific | 2016 |
| Glentworth Court Management Company Limited | Households | 1977 |
| Glenwood Mansions RTM Company Limited | Households | 2017 |
| Glo-Earth Ltd | Wholesale & retail | 2018 |
| Gloria's Mobile Physiotherapy Services Ltd | Health & social care | 2026 |
| Gloria’S Production Limited | Real estate | 2024 |
| Gloryrise Media Ltd | Arts & recreation | 2026 |
| Glue & Glitter Ltd | Wholesale & retail | 2019 |
| GM Propgroup Ltd | Real estate | 2025 |
| GMA Sales Ltd | Wholesale & retail | 2023 |
| GMI National Ltd | Transport & logistics | 2025 |
| GMS 1968 2007 Limited | Extraterritorial | 2014 |
| Go Direct Transfers Ltd | Transport & logistics | 2021 |
| Go Go - Bookings Ltd | Professional & scientific | 2018 |
| Go Renewable Energy Ltd | Construction | 2011 |
| Go South Ltd | Hospitality | 2010 |
| GO2SOLAR U.K. Ltd | Construction | 2023 |
| Godfrey Hall Limited | Construction | 2011 |