| Finmar Properties Limited | Real estate | 2016 |
| Firelight Tipi Events Ltd | Administrative & support | 2021 |
| Fish I Design Ltd | Information & communication | 2015 |
| Fish Research & Consultancy Ltd | Agriculture & fishing | 2002 |
| Fizzy Projects Ltd | Information & communication | 2026 |
| Flash GIT Limited | Information & communication | 2004 |
| Flats 1-3 Whmc Ltd | Hospitality | 2015 |
| Fletcher Broadbent Partnership Limited | Professional & scientific | 2003 |
| Forest and Beach Limited | Education | 2013 |
| Fractional Marine Limited | Wholesale & retail | 2026 |
| Fragrant Finds LLP | | 2004 |
| Fred Mcpetrie Ltd | Extraterritorial | 2016 |
| Freeley Family Holdings Limited | Real estate | 2011 |
| Fregeomar Ltd | Other services | 2012 |
| Freshwater Properties (Devon) Limited | Real estate | 2021 |
| Freshway Chilled Foods Limited | Hospitality | 2014 |
| Frogmore Marine Services Limited | Transport & logistics | 2013 |
| Full Bodied Productions Limited | Information & communication | 2014 |
| Full Service Real Estate Investment and Property Management Group Limited | Construction | 2020 |
| FUN TAN Limited | Other services | 2025 |
| Further Exposure Ltd | Information & communication | 2017 |
| Futureclient Limited | Arts & recreation | 2009 |
| G & F Partners LLP | | 2013 |
| G C LOW Heating & Plumbing Limited | Construction | 2002 |
| G2 Global Corp UK Ltd | Information & communication | 2019 |
| Galahad Consultants Ltd. | Other services | 2015 |
| Gallery 5 Ltd | Wholesale & retail | 2022 |
| Galore Production Co' C.I.C. | Arts & recreation | 2023 |
| Gara Mill Lodges Management Company Limited | Households | 2020 |
| Gates and Fencing Distribution Limited | Transport & logistics | 2018 |
| GB Boatworx LLP | | 2025 |
| George Mahood Limited | Information & communication | 2017 |
| Gerston Management Limited | Households | 2005 |
| GJK Solutions Limited | Professional & scientific | 2021 |
| Glenside Consulting Ltd | Professional & scientific | 2009 |
| Global Brand Connections UK Ltd | Wholesale & retail | 2022 |
| Godley Fenix Limited | Construction | 2007 |
| Goldstar Homecare Limited | Health & social care | 2008 |
| Good Call Marketing Ltd | Administrative & support | 2018 |
| Gorgeous Concrete Ltd | Manufacturing | 2018 |
| Grafton Towers Management Limited | Real estate | 2003 |
| Grain Designs Workshop Ltd | Manufacturing | 2024 |
| Great Gate Management Co. Limited | Real estate | 1974 |
| Greatland Gardens Ltd | Administrative & support | 2021 |
| Green Room Business Affairs Limited | Professional & scientific | 2025 |
| Greencrop Limited | Water & waste | 1996 |
| Greenham Associates Ltd | Professional & scientific | 2021 |
| Greenharbor Renewables Ltd | Administrative & support | 2024 |
| Greenstoker Ltd | Construction | 2025 |
| Greenstraight Scallops Ltd | Wholesale & retail | 2021 |
| Grocerama Limited | Professional & scientific | 2023 |
| Grow SOW Greener Ltd | Agriculture & fishing | 2023 |
| GTI Driving Ltd | Administrative & support | 2024 |
| Guardhouse Mews Management Ltd | Households | 2024 |
| Gwrowe Ltd | Construction | 2010 |
| H4 Consultants Ltd | Administrative & support | 2014 |
| Habit Clothing Ltd | Wholesale & retail | 2012 |
| Haddys Limited | Professional & scientific | 2019 |
| Halwell House Management Limited | Households | 1987 |
| Hamilton Court Residents Company Limited | Administrative & support | 1986 |
| Hampoint Ltd | Wholesale & retail | 2013 |
| Hanmer Holdings Limited | Financial services | 2010 |
| Happy PR Limited | Professional & scientific | 2010 |
| Hardrox Limited | Administrative & support | 2014 |
| Hare Spring Cottage Plants LLP | | 2023 |
| Harford Limited | Construction | 1992 |
| Harper Digital Consultancy Ltd | Information & communication | 2025 |
| Harriet George Properties Limited | Real estate | 2017 |
| Harris Steelworks Ltd | Professional & scientific | 2022 |
| Harvey & Harvey Holdings SW Ltd | Financial services | 2024 |
| Harvey Agricultural Services and Construction Ltd | Agriculture & fishing | 2004 |
| Hassall Law Limited | Professional & scientific | 2013 |
| Hazeldene Management Limited | Administrative & support | 1987 |
| Healing Frequency International Ltd | Other services | 2024 |
| Heasley House LLP | | 2013 |
| Heat-Tec Limited | Professional & scientific | 2013 |
| Heathman Inns Ltd | Hospitality | 2017 |
| Heidi Clover Ltd | Manufacturing | 2023 |
| Helen Symons Driving Limited | Education | 2017 |
| Henacre Thoroughbreds Ltd | Agriculture & fishing | 2025 |
| Henley Hotel (Bigbury-On-Sea) Limited | Hospitality | 1993 |
| Hereford Land Developments Ltd | Construction | 2019 |
| Heron Building Contractors Limited | Construction | 2014 |
| Heron Developments (Topsham Bridge) Limited | Real estate | 2002 |
| Herring Shoes Limited | Wholesale & retail | 2000 |
| Herts Premier Builders Limited | Construction | 2016 |
| Hexdown Barns Management Company Limited | Real estate | 2001 |
| Hhan Laundry Holdings Limited | Financial services | 2023 |
| Hickman Group Limited | Financial services | 2026 |
| Higher Borough Limited | Households | 2003 |
| Higher Western Farm Barns Management Company Limited | Households | 2024 |
| Hilder & Headington Finance Limited | Financial services | 2023 |
| Hill View 35 Limited | Households | 2021 |
| Hillersdon Ltd | Construction | 2005 |
| Hippo Plumbing and Heating Ltd | Construction | 2015 |
| Historical Investments Limited | Financial services | 2019 |
| Hodshon Geoconsulting Ltd | Professional & scientific | 2025 |
| Hoffman Knight Associates Ltd | Professional & scientific | 2015 |
| Hoffman Knight Environmental Ltd. | Health & social care | 2012 |
| Home Climates Limited | Professional & scientific | 1973 |