| Equicensus Ltd | Information & communication | 2016 |
| Equivault Holdings Ltd | Financial services | 2025 |
| Equiventus Ltd | Professional & scientific | 2012 |
| Erian Limited | Health & social care | 2008 |
| Erjs Services Ltd | Information & communication | 2022 |
| ETB Care Ltd | Health & social care | 2025 |
| Everest Textiles Ltd | Wholesale & retail | 2018 |
| Evolve Lubricants Ltd | Wholesale & retail | 2026 |
| Exertus Ltd | Information & communication | 2012 |
| Exso Ltd | Information & communication | 2024 |
| F R Williams Developments Limited | Real estate | 2025 |
| F.R.Callaway and Sons Limited | Agriculture & fishing | 1963 |
| Fairfield Farm Trust | Education | 1977 |
| Farleigh Farm Ltd | Construction | 2017 |
| Farleigh Wood Limited | Other services | 2009 |
| Fendorio Holdings Ltd | Financial services | 2026 |
| Fendorio Ltd | Information & communication | 2018 |
| Fept Holdings Limited | Financial services | 2020 |
| Fiat Finis Ltd | Professional & scientific | 2024 |
| Fine Modern Homes Limited | Professional & scientific | 2003 |
| Finecopy Ltd | Administrative & support | 2013 |
| Firstfix Electrics Ltd | Construction | 2022 |
| Fizz Vape Limited | Wholesale & retail | 2018 |
| FJR Productions Ltd | Information & communication | 2018 |
| Flowstop Limited | Manufacturing | 1982 |
| FMH Architectural Ltd | Professional & scientific | 2011 |
| Fore Street Developments Ltd | Real estate | 2024 |
| Forged by Fire Productions Limited | Information & communication | 2020 |
| Forged Grappling Limited | Arts & recreation | 2026 |
| Forget ME NOT Care Limited | Health & social care | 2006 |
| Four Hills Care Limited | Administrative & support | 2015 |
| Francis Shephard Limited | Agriculture & fishing | 1965 |
| Frome Scaffolding Limited | Construction | 2003 |
| Frontstage Furnishing Limited | Wholesale & retail | 1988 |
| Frugal Speech Ltd | Information & communication | 2011 |
| FSL Group Global Limited | Wholesale & retail | 2024 |
| FSL Group International Limited | Wholesale & retail | 2023 |
| FT Bespoke Ltd | Manufacturing | 2009 |
| Ftfc Ltd | Financial services | 2025 |
| FUR and Fields Farm CIC | Education | 2024 |
| Furcation Ltd | Arts & recreation | 2016 |
| Fusilair Ltd | Construction | 2024 |
| Future Identity Ltd | Administrative & support | 2008 |
| G Lewis Carpentry Ltd | Construction | 2023 |
| G&G Ltd | Wholesale & retail | 2020 |
| G.C.D. Enterprises Limited | Information & communication | 2000 |
| Galpin Kendrick Electrical Limited | Construction | 2016 |
| Game on (GET the Ball Rolling) Ltd | Arts & recreation | 2024 |
| Gbft Assets Limited | Financial services | 2020 |
| Gc's on Point Aesthetics Ltd | Other services | 2022 |
| GCM Holdings Ltd | Health & social care | 2015 |
| General Stores Online Limited | Wholesale & retail | 2013 |
| Gent Street Limited | Wholesale & retail | 2017 |
| Gibbons Automotive Ltd | Wholesale & retail | 2021 |
| Gibbons Detailing Ltd | Administrative & support | 2025 |
| Gibbs Close Management Company Limited | Households | 2013 |
| Gifford Owen Limited | Professional & scientific | 1997 |
| Ginger & Black Photography Ltd | Professional & scientific | 2020 |
| Gittings Classic and Modern Ltd | Wholesale & retail | 2025 |
| GJL Group Ltd | Information & communication | 2024 |
| Global Apometry Academy Ltd | Education | 2026 |
| Global Travel Concepts (UK) Ltd. | Professional & scientific | 2016 |
| Glowork Coaching Limited | Administrative & support | 2022 |
| GM3 Music Limited | Arts & recreation | 2013 |
| Goffs Park RD Village Ltd | Health & social care | 2022 |
| GP MOT & Service Centre Ltd | Wholesale & retail | 2011 |
| Grill Italia Ltd | Hospitality | 2022 |
| Grumpy Hosting Ltd | Information & communication | 2016 |
| GS Coachbuilders Limited | Wholesale & retail | 2013 |
| Gsgs Transport Ltd | Transport & logistics | 2022 |
| GT Facilities Ltd | Manufacturing | 2025 |
| Guardian Professional FPT Limited | Financial services | 2016 |
| Guardian Professional Group Limited | Financial services | 2016 |
| H & H Culinary Ltd | Hospitality | 2026 |
| H&W Cleaning Services Ltd | Extraterritorial | 2018 |
| H&W Facilities Management Limited | Administrative & support | 2006 |
| H&W Valeting Services Ltd | Other services | 1992 |
| H.G. & A.P. Vaughan Limited | Construction | 2004 |
| H2O Plumbing & Heating (SW) Limited | Construction | 2015 |
| Haddan Homes Ltd | Real estate | 2016 |
| HAM Industrials Limited | Construction | 1999 |
| Hames Property Services Limited | Real estate | 2016 |
| Harina Consulting Limited | Professional & scientific | 2025 |
| Harkrock Limited | Administrative & support | 2004 |
| Harris Tate Limited | Information & communication | 2016 |
| Hart Financial Limited | Financial services | 2006 |
| Hart Property (SW) Limited | Real estate | 2020 |
| Harvey Rose Properties Ltd | Real estate | 2025 |
| Harveys Geometry Ltd | Wholesale & retail | 2021 |
| Hastom Ltd | Other services | 2018 |
| Hause of Ecomm Limited | Wholesale & retail | 2023 |
| Hawker Portfolio | Professional & scientific | 2025 |
| Haynes House Westbury Ltd | Real estate | 2016 |
| Hazelcliff Limited | Construction | 1996 |
| Health and Beauty Channel Limited | Wholesale & retail | 2020 |
| Heath & Wiltshire Security Ltd | Extraterritorial | 2013 |
| Heath and Wiltshire Limited | Other services | 1990 |
| Heating & Domestic Plumbing Services Ltd | Other services | 2014 |
| Henry Meadows Limited | Extraterritorial | 2015 |
| Hevidar Ltd | Hospitality | 2019 |