| Frome Renovation Ltd | Manufacturing | 2022 |
| FRY Days Takeaway Ltd | Hospitality | 2026 |
| Fter Ltd | Financial services | 2019 |
| Fully Invested Limited | Financial services | 2025 |
| Fundforce Limited | Extraterritorial | 2013 |
| Fundraising Angels for Animals in Need Ltd | Other services | 2013 |
| Furnaceco Ltd | Construction | 2025 |
| Fusion Powder Coating Ltd | Manufacturing | 2022 |
| Future of Football Limited | Arts & recreation | 2014 |
| Future Tech Innovations (Calne) Ltd | Professional & scientific | 2017 |
| Futureworksai Limited | Information & communication | 2025 |
| Futurform Limited | Wholesale & retail | 2010 |
| FW Group Holdings Ltd | Other services | 2007 |
| FX Mortgages Limited | Financial services | 2005 |
| Fytd Ltd | Information & communication | 2026 |
| G & B Griffin (Jewellers) Limited | Manufacturing | 2012 |
| G Jessup Consulting Limited | Professional & scientific | 2021 |
| G.W. Sheet Metal Work Limited | Manufacturing | 1996 |
| Gabbru Transport Limited | Transport & logistics | 2026 |
| Galaxy Rail Limited | Agriculture & fishing | 2024 |
| Gamechanger People Ltd. | Other services | 2024 |
| GAS Design Limited | Professional & scientific | 1997 |
| Gator Products Limited | Professional & scientific | 2019 |
| Genna Rose Training Academy Ltd | Education | 2021 |
| George Banco Limited | Financial services | 2013 |
| George Banco.Com Limited | Financial services | 2013 |
| George Hughes Limited | Other services | 2020 |
| Getting Bums on Seats Limited | Other services | 2019 |
| GH Electrical Services (South West) Ltd | Construction | 2015 |
| Gherghescu Transport Limited | Transport & logistics | 2019 |
| Ghost (Digital) Limited | Information & communication | 2011 |
| Ghostfinder Paranormal Events Limited | Information & communication | 2024 |
| Giles Properties Limited | Real estate | 2014 |
| Giles U.K. Limited | Wholesale & retail | 2003 |
| Gillerson Trading Limited | Manufacturing | 2012 |
| Gillmans Flooring Ltd | Construction | 2026 |
| Glam Warriors Ltd | Health & social care | 2020 |
| Glamours Beauty Ltd | Other services | 2023 |
| Glass Toolbox Ltd | Wholesale & retail | 2019 |
| Glitter Bugs Nursery Limited | Education | 2014 |
| Global Boat Network Ltd | Administrative & support | 2024 |
| Global Compliance UK (Gcuk) Limited | Construction | 2015 |
| Glove Factory Studios LLP | | 2008 |
| Glove Health Limited | Extraterritorial | 2021 |
| Glove Shop Ltd | Extraterritorial | 2016 |
| Glow Chef Limited | Hospitality | 2023 |
| GM Carpentry Ltd | Manufacturing | 2023 |
| GM Kitchen Installations Ltd | Construction | 2011 |
| Golden WOK Limited | Hospitality | 2019 |
| Goldmills Property Limited | Real estate | 2025 |
| Goldmine Jewellers Limited | Wholesale & retail | 2003 |
| Gone Running Ltd | Real estate | 2022 |
| Good Sunday Limited | Wholesale & retail | 2024 |
| Gooding Accounts Ltd | Professional & scientific | 2014 |
| Gooding Training Academy Limited | Education | 2024 |
| Goodman Landscapes and General Building Ltd | Professional & scientific | 2026 |
| Gordon Property Developments Ltd | Construction | 2026 |
| Gosafari PTY Limited | Hospitality | 2018 |
| GP Portfolio Limited | Real estate | 2024 |
| Graham Whitbourn Limited | Construction | 2024 |
| Grangeside Workspace Ltd | Real estate | 2018 |
| Grayson's Legacy Support Trust CIC | Financial services | 2020 |
| Greatphones Kiosk Ltd | Wholesale & retail | 2024 |
| Greenacre House Management Company Limited | Households | 2017 |
| Greenlink Forestry Limited | Agriculture & fishing | 1997 |
| Greenlink Roofs Ltd | Agriculture & fishing | 2020 |
| Greenoak Bath Limited | Construction | 2006 |
| Greenrock Energy Limited | Construction | 2023 |
| Gregory Property Management Limited | Real estate | 2006 |
| Gridline Enterprises Limited | Wholesale & retail | 1994 |
| Groundrate Property Management Limited | Households | 1989 |
| Gsgs Services Ltd | Transport & logistics | 2020 |
| Gunning Consultancy Ltd | Professional & scientific | 2023 |
| GVN233 Limited | Wholesale & retail | 2025 |
| Gyrtilis Ltd | Professional & scientific | 2022 |
| H & B Pethers Limited | Administrative & support | 2019 |
| H & L Properties (South West) Limited | Real estate | 2023 |
| H Houses Property Solutions Ltd | Households | 2023 |
| H.J.Knee of Malmesbury Limited | Extraterritorial | 1958 |
| H.J.Knee,Limited | Financial services | 1908 |
| Haganavak Ltd | Wholesale & retail | 2025 |
| Haines Contracting Solutions Ltd | Construction | 2023 |
| Hale Investments Wiltshire Ltd | Real estate | 2019 |
| Hales (Ironmongers) Limited | Real estate | 1935 |
| Hamifamily Ltd | Professional & scientific | 2025 |
| Hamsara Limited | Hospitality | 2024 |
| Hamtay Limited | Real estate | 2004 |
| Handel House Properties Limited | Real estate | 1957 |
| Happy Valley BA14 Ltd | Hospitality | 2019 |
| Harbour Lilley Homes Limited | Real estate | 2024 |
| Harbour Pension Trustees Ltd | Financial services | 2016 |
| Harbourside Creperie Ltd | Hospitality | 2021 |
| Harper Howard Properties Limited | Real estate | 2021 |
| Harris N Co Ltd | Real estate | 2024 |
| Hartley ARB Ltd | Extraterritorial | 2024 |
| Hatch Consulting Services Ltd | Professional & scientific | 2018 |
| Hawklets Ltd | Real estate | 2009 |
| Hayden Photo Video Ltd | Professional & scientific | 2026 |
| Haythornthwaite Systems Limited | Information & communication | 2019 |
| Head for a WIN Limited | Professional & scientific | 2025 |