| Flexzon LLP | | 2009 |
| Flint Cottage Homes Ltd | Real estate | 2024 |
| Flowdrill (UK) Limited | Professional & scientific | 1996 |
| FLY Aero NOW Ltd | Wholesale & retail | 2026 |
| Fone Fella Ltd | Wholesale & retail | 2023 |
| Football First 2002 Limited | Arts & recreation | 2009 |
| Forging Spares and Services Limited | Wholesale & retail | 1982 |
| Forty Seven Creative Limited | Professional & scientific | 2023 |
| Fosolm Limited | Real estate | 2019 |
| Foster's Tutoring Limited | Education | 2019 |
| Foundry Gym PT Limited | Arts & recreation | 2025 |
| Four Winds Park Limited | Hospitality | 2021 |
| FOX DP Ltd | Health & social care | 2015 |
| Foxhouse Cattery Ltd | Agriculture & fishing | 2023 |
| FP4 Ltd | Construction | 2025 |
| Francis COX Ltd | Extraterritorial | 2021 |
| Frank Childs & SON (D.I.Y.) Limited | Wholesale & retail | 1964 |
| Frilly Frocks and Welly Socks Co Ltd | Wholesale & retail | 2026 |
| Frisby Couriers Limited | Transport & logistics | 1999 |
| Frith Resource Management Ltd | Professional & scientific | 2008 |
| Fuerza Sports Ltd | Arts & recreation | 2025 |
| Furlong Logistics Limited | Public administration | 2025 |
| Future Explorers Limited | Health & social care | 2023 |
| Future Facilities Management Ltd | Administrative & support | 2018 |
| G.G.Adams Electrical Ltd | Construction | 2024 |
| G.H. Lucas & Co Limited | Wholesale & retail | 1996 |
| G.J. Pitt Civil Engineering Limited | Construction | 2001 |
| G2G Business Services Ltd | Professional & scientific | 2014 |
| Gabb Family Investment Co 1 | Financial services | 2024 |
| Gabb Family Investment Co 2 | Financial services | 2024 |
| Gabb Family Investment Co 3 Limited | Financial services | 2025 |
| Gabb Family Investment Co 4 Limited | Financial services | 2025 |
| Gandy Property Investments Limited | Real estate | 2022 |
| Garage Door Restore West Midlands Limited | Construction | 2011 |
| Gaspode Consulting Limited | Information & communication | 2023 |
| Gatacre Park Limited | Real estate | 2019 |
| Gatehouse Consulting Ltd | Administrative & support | 2022 |
| GBT Properties Ltd | Real estate | 2019 |
| Gemstone EV Specialists Ltd | Administrative & support | 2023 |
| General High Voltage Industries Limited | Manufacturing | 1991 |
| Genvolt Limited | Manufacturing | 2012 |
| GET Craig Williams Ltd | Professional & scientific | 2020 |
| Ggog Limited | Arts & recreation | 2018 |
| GHJ Biogas Ltd | Professional & scientific | 2020 |
| GHJ Biogas Poland Ltd | Professional & scientific | 2024 |
| Giftbox Gifts Limited | Wholesale & retail | 2015 |
| Gjhh Engineering Ltd | Professional & scientific | 2015 |
| Glammed OUT Limited | Other services | 2023 |
| Glenmount Sports Management Limited | Arts & recreation | 2018 |
| Global Ecology Group Limited | Manufacturing | 2019 |
| Global Event Systems Limited | Administrative & support | 2023 |
| Gmmengineering Ltd | Manufacturing | 2014 |
| Go Dance UK Ltd | Arts & recreation | 2021 |
| GOOD4GOOD CIC | Professional & scientific | 2023 |
| Goodwin Human Resources Ltd | Administrative & support | 2016 |
| Goodwood Homecare Limited | Health & social care | 2016 |
| Graceland Developments Ltd | Real estate | 2026 |
| Graham Hill Flooring Limited | Wholesale & retail | 2008 |
| Grainger & Worrall Limited | Manufacturing | 1970 |
| Grainger & Worrall Machining Limited | Manufacturing | 2003 |
| Graph Survey Hire Limited | Administrative & support | 2007 |
| Graph Survey Partnership Limited | Professional & scientific | 2005 |
| Grassco Ltd | Administrative & support | 2025 |
| Graze Bridgnorth Ltd | Hospitality | 2023 |
| Great British Trading Limited | Manufacturing | 2011 |
| Great Night Limited | Hospitality | 2024 |
| Great Oak Marketing Limited | Professional & scientific | 2020 |
| Green Tree Care Limited | Administrative & support | 2009 |
| Greenhalgh Inns Limited | Hospitality | 2025 |
| Greenmarque Ltd | Professional & scientific | 1997 |
| Greens Potatoes Limited | Wholesale & retail | 2013 |
| Griffin Rayne Galleries Limited | Wholesale & retail | 2022 |
| Griffs Shrewsbury Ltd | Wholesale & retail | 2026 |
| Grosvenor,Meehan & Laing Associates Limited | Manufacturing | 2000 |
| Grove Farm Management Co Limited | Households | 2002 |
| Guardian Tree Services Ltd | Administrative & support | 2024 |
| Gulliver Real Estate Limited | Real estate | 2015 |
| Gunningarts Limited | Arts & recreation | 2002 |
| GUY Group Holdings Ltd | Financial services | 2016 |
| H & S Pitt Properties Ltd | Real estate | 2015 |
| H.V.A.C. Services (2004) Ltd | Administrative & support | 2004 |
| Hail Properties Limited | Real estate | 2017 |
| Hale Group Ltd | Financial services | 2005 |
| Halespin Games Limited | Information & communication | 2023 |
| Hall Close Farm Barns Management Limited | Households | 2017 |
| Hall Close Services Limited | Manufacturing | 2025 |
| Hallwick Biomethane Investments Limited | Professional & scientific | 2024 |
| Halsnead Park Limited | Real estate | 2004 |
| Hampshire Feeding Systems Limited | Professional & scientific | 2004 |
| Hancox Estates Limited | Real estate | 2016 |
| Hangar 40 Holdings Ltd | Professional & scientific | 2022 |
| Happy Families Child Care Limited | Education | 2006 |
| Hard to Find Wines Limited | Wholesale & retail | 2006 |
| Harper Homes & Construction Ltd | Construction | 2023 |
| Harrington Capital Consulting Limited | Professional & scientific | 2015 |
| Harris Haulage Limited | Transport & logistics | 2002 |
| Harry Vale Ltd | Wholesale & retail | 2023 |
| Harton FOX & Co Ltd | Hospitality | 2021 |
| Harvest Consultants Limited | Professional & scientific | 2013 |
| HAY Steamer Company Limited | Wholesale & retail | 2024 |