| EYE to EYE Television Limited | Information & communication | 2003 |
| Eyeconic Ltd | Arts & recreation | 2011 |
| Eyeonics Ltd | Health & social care | 2010 |
| Eyerecruit Ltd | Administrative & support | 2020 |
| Eyesense Eyecare Limited | Financial services | 2022 |
| Eyesoft Ltd | Information & communication | 2011 |
| Eyewear Africa Ltd | Wholesale & retail | 2014 |
| Eyexpert Ltd | Health & social care | 2025 |
| Eyles Medical Limited | Health & social care | 2021 |
| Eyub 12 Ltd | Hospitality | 2026 |
| Ez-Base UK Limited | Information & communication | 2020 |
| Ezabel Solutions CIC | Health & social care | 2025 |
| Ezah Trading Ltd | Transport & logistics | 2025 |
| Ezcloud Consulting Ltd | Information & communication | 2023 |
| Ezendu Trans Ltd | Transport & logistics | 2017 |
| Ezenwanyiimmirrioma Ltd | Extraterritorial | 2025 |
| EZI Klamp Systems (Holdings) Limited | Financial services | 2015 |
| EZI Klamp Systems Limited | Manufacturing | 2021 |
| Ezialondon Ltd | Wholesale & retail | 2022 |
| Ezra Construction Limited | Construction | 2021 |
| Ezurio UK Limited | Manufacturing | 2004 |
| F Afridi Ltd | Transport & logistics | 2019 |
| F & a Consulting Ltd | Professional & scientific | 2009 |
| F & B Caterers Ltd | Hospitality | 2019 |
| F & B Profiles Limited | Manufacturing | 1987 |
| F & C North Somerset Estates Ltd | Real estate | 2019 |
| F & Q Catering Bristol Limited | Hospitality | 2020 |
| F a B - IT Rescue Ltd | Information & communication | 2004 |
| F B (Downham) Limited | Wholesale & retail | 1999 |
| F Billa Construction Ltd | Construction | 2025 |
| F C & C Vehicle Body Repair Ltd | Wholesale & retail | 2017 |
| F C G Green Consultancy Limited | Professional & scientific | 2010 |
| F D Cummins Financial Planning Limited | Financial services | 2020 |
| F D Pike & Sons Limited | Construction | 2003 |
| F E Andrews Associates Limited | Professional & scientific | 2011 |
| F E Associates Limited | Education | 2013 |
| F E Matters Limited | Education | 2021 |
| F H Properties (South West) Limited | Real estate | 2021 |
| F Local N Ltd | Information & communication | 2024 |
| F P Cartons Holdings Ltd | Financial services | 2005 |
| F P Cartons Limited | Manufacturing | 1992 |
| F P Southwest Ltd | Transport & logistics | 2019 |
| F Struct Ltd | Construction | 2006 |
| F X Keeley Urological Surgeon Limited | Health & social care | 2003 |
| F&A Taste Ltd | Hospitality | 2026 |
| F&B Profiles (Holdings) Limited | Financial services | 2023 |
| F&B Stores Limited | Wholesale & retail | 2021 |
| F&C Fantastic Team Limited | Transport & logistics | 2026 |
| F&E Property Holdings Ltd | Households | 2024 |
| F&F Exteriors Ltd | Construction | 2024 |
| F&F Investments Limited | Real estate | 2013 |
| F&G Bread Solutions Limited | Hospitality | 2025 |
| F&H Power Consultants Limited | Other services | 2020 |
| F&J Bott Medical Ltd | Health & social care | 2025 |
| F&S Capital Limited | Real estate | 2023 |
| F&S Medical Limited | Health & social care | 2020 |
| F&S Property Specialist Ltd | Construction | 2026 |
| F. Woodruff Funeral Directors Ltd | Extraterritorial | 2023 |
| F.E.Body & Sons,Limited | Agriculture & fishing | 1952 |
| F.J. Crew Building Contractors Ltd | Construction | 2002 |
| F.J. Jeffery & SON Limited | Wholesale & retail | 1976 |
| F.J. Wookey & Company Limited | Construction | 1962 |
| F.L.I. Global UK Limited | Financial services | 2025 |
| F1 Build Ltd | Construction | 2019 |
| F1F9 UK Ltd | Information & communication | 2011 |
| F1QA Limited | Wholesale & retail | 2017 |
| F2 Food Ltd | Hospitality | 2022 |
| F2 Functional Fitness Ltd | Arts & recreation | 2020 |
| F23 Contractors Limited | Construction | 2025 |
| F355 Developments Limited | Construction | 2019 |
| F355 Group Ltd | Construction | 2022 |
| F4H Holdings Limited | Wholesale & retail | 2018 |
| F4ST Properties Limited | Real estate | 2022 |
| F5 Consultants Limited | Administrative & support | 2023 |
| F5 Property Management Ltd | Real estate | 2020 |
| F9 (UK) Limited | Professional & scientific | 2011 |
| FA Aerostructures Ltd | Professional & scientific | 2013 |
| FA Electrical Services Ltd | Construction | 2026 |
| FA Services Ltd | Other services | 2020 |
| FAB (Bristol) Ltd | Wholesale & retail | 2024 |
| FAB Accounting Services Limited | Professional & scientific | 2025 |
| FAB Air Limited | Construction | 2019 |
| FAB Contract Services Ltd | Administrative & support | 2014 |
| FAB Estates Limited | Hospitality | 2001 |
| Faber Brook Farm Limited | Agriculture & fishing | 2014 |
| Faber HR Limited | Administrative & support | 2009 |
| Faber Trees Limited | Administrative & support | 2015 |
| Fabfudge Limited | Manufacturing | 2016 |
| Fabgoods Limited | Wholesale & retail | 2023 |
| Fabiano Ferrari CGI Ltd | Professional & scientific | 2019 |
| Fabian’S Properties Ltd | Real estate | 2021 |
| Fabio Xavier Photography Ltd | Professional & scientific | 2020 |
| Fable and Form Limited | Professional & scientific | 2020 |
| Fable Creative Ltd | Professional & scientific | 2019 |
| Fable Studios Limited | Information & communication | 2016 |
| Fabric & Craft Ltd | Wholesale & retail | 2010 |
| Fabrichy Ltd | Wholesale & retail | 2022 |
| Fabulous Holiday Homes Limited | Hospitality | 2021 |
| Fabulous Nails and Spa Ltd | Other services | 2022 |
| Facade Remedial & Repairs Ltd | Professional & scientific | 2015 |