| Forever Build Limited | Construction | 2025 |
| Forge TV Limited | Information & communication | 2012 |
| Fortify Estate Service Ltd | Construction | 2021 |
| Forum Publications Limited | Information & communication | 2007 |
| Foster Brewerton Ltd | Wholesale & retail | 2019 |
| FOX & Co (Accountants) Limited | Professional & scientific | 2004 |
| Frameset UK Ltd | Manufacturing | 2017 |
| Franchetti Bond (London) Limited | Wholesale & retail | 2018 |
| Frank Merlin Productions Limited | Information & communication | 2024 |
| Frontline Partners Limited | Health & social care | 2005 |
| FS Sport Horses Ltd | Agriculture & fishing | 2020 |
| Fusion Training & Consultancy Ltd | Education | 2004 |
| Fusion Yacht Management Limited | Professional & scientific | 2011 |
| G H Talbot Limited | Wholesale & retail | 2019 |
| G Venn Builders Ltd | Construction | 2021 |
| G. W. Bowyer Limited | Health & social care | 2002 |
| Gamechanger Loams Ltd | Manufacturing | 2023 |
| Gascoigne Lane Limited | Agriculture & fishing | 2010 |
| GAY Dog Ltd | Other services | 2019 |
| Gearsandtears.Com Limited | Arts & recreation | 2000 |
| Genie Biotech UK Ltd. | Professional & scientific | 2017 |
| Genner Farms Limited | Agriculture & fishing | 1973 |
| Genner Holdings Limited | Financial services | 1973 |
| Genner Investments Limited | Real estate | 1973 |
| Genner Nominees Limited | Financial services | 1969 |
| Genner Secretaries Limited | Professional & scientific | 1971 |
| Genner Securities Ltd | Financial services | 1973 |
| Genner Trust Limited | Professional & scientific | 1973 |
| Georgina Murphy Interiors Limited | Professional & scientific | 2018 |
| Ghosh's Property Ltd | Real estate | 2022 |
| Glaister Inns Limited | Hospitality | 2021 |
| Global Photonics Group Ltd | Professional & scientific | 2023 |
| Good Schools Guide Limited | Extraterritorial | 1991 |
| Gordon L. Poole (Southampton) Limited | Construction | 1956 |
| Gospel Green Cyder Company Limited | Manufacturing | 2016 |
| GP (Hants) Limited | Administrative & support | 2024 |
| GPO Productions Limited | Arts & recreation | 2016 |
| Grange Estate Vine LLP | | 2011 |
| Grange Estate Wines Limited | Manufacturing | 2019 |
| Grange Park Opera | Arts & recreation | 1998 |
| Grant Dawe LLP | | 2006 |
| Grayshott Square Management Co Ltd | Households | 2008 |
| Great Bookham Equestrian Centre Limited | Arts & recreation | 2016 |
| Great Wave Productions Ltd | Manufacturing | 2023 |
| Green Robin Consulting Ltd | Professional & scientific | 2025 |
| Green Sprig Ltd | Hospitality | 2024 |
| Greenfield Safety Solutions Limited | Professional & scientific | 2020 |
| Greenwood Arbitration Ltd | Professional & scientific | 2019 |
| GRF Builders Limited | Construction | 2015 |
| Griffin Administration Limited | Financial services | 2009 |
| Grove Farmers Limited | Agriculture & fishing | 2016 |
| H R Electrics Limited | Wholesale & retail | 2005 |
| H.C.H. Properties Limited | Real estate | 1999 |
| Hackadamy Ltd | Information & communication | 2024 |
| Hadbury Limited | Other services | 2016 |
| Hammerer Consulting Limited | Professional & scientific | 2024 |
| Hammett Motor Company Limited | Wholesale & retail | 2026 |
| Hampers Cafe Ltd | Hospitality | 2021 |
| Hampshire Horsebox Hire LLP | | 2017 |
| Hampshire Musculoskeletal Diagnostic Services Ltd | Health & social care | 2018 |
| Hampshire Woodlands Limited | Administrative & support | 2010 |
| Hankins Court Limited | Households | 2017 |
| Harcombe Developments Limited | Construction | 1997 |
| Harley-Mahmoud Ltd | Information & communication | 2018 |
| Harlyn Asset Management Limited | Professional & scientific | 2001 |
| Harwood Smith Educational Associates Limited | Professional & scientific | 2007 |
| Hattingley Valley Wines Limited | Manufacturing | 2010 |
| Hatton Gate Limited | Administrative & support | 2017 |
| Hawker Chase Executive Limited | Administrative & support | 2001 |
| HB Costume Services Ltd | Professional & scientific | 2022 |
| Hdfcp Limited | Construction | 2006 |
| Health Solutions Group Limited | Other services | 1999 |
| Health Technology Limited | Wholesale & retail | 2020 |
| Hero Logistics Limited | Transport & logistics | 2017 |
| Hillary Groundworks Ltd | Construction | 2002 |
| Hilley Developments Limited | Construction | 2007 |
| History Heroes Limited | Extraterritorial | 2010 |
| Hockzz & Co Limited | Financial services | 2017 |
| Hockzz Associates Limited | Financial services | 2017 |
| Holly Hickmore Sculpture Ltd | Arts & recreation | 2020 |
| Hone Holdings Limited | Professional & scientific | 1968 |
| Honey BEE Happy Ltd | Agriculture & fishing | 2012 |
| Hopton Advisers LLP | | 2014 |
| Horne Recruitment Enterprises Limited | Administrative & support | 2022 |
| Hotcakes Rock Limited | Professional & scientific | 2014 |
| Hubbleone Investments Limited | Real estate | 2020 |
| Humanise Work Ltd | Professional & scientific | 2014 |
| Hunter (Project Management) Limited | Professional & scientific | 2020 |
| Hursley Hambledon Hunt Club (Holdings) Limited | Other services | 2018 |
| Hursley Hambledon Hunt Club Limited | Arts & recreation | 2018 |
| HW Strategy Ltd | Information & communication | 2000 |
| Hydaway Developments Ltd | Financial services | 2025 |
| Hyde Park International Limited | Administrative & support | 1985 |
| Hydrotech Services Limited | Construction | 1994 |
| I.C.A.A. (Properties) Limited | Construction | 1995 |
| Iain Vellacott Associates Limited | Real estate | 2004 |
| IAN Dobbie Consulting Group Limited | Professional & scientific | 2020 |
| IAN Martin Electrical Ltd | Construction | 2021 |
| IB Studios Ltd | Professional & scientific | 2022 |
| Incendios Safety Ltd | Financial services | 2024 |