| Exzon Limited | Wholesale & retail | 2024 |
| Eydn Ltd | Wholesale & retail | 2025 |
| EYE 2 EYE Maya Limited | Health & social care | 2006 |
| EYE on Heritage Limited | Manufacturing | 2021 |
| EYE SPY Security Systems Limited | Construction | 2016 |
| Eyecandy Interior Design Limited | Professional & scientific | 2012 |
| Eyecare @ ST Davids Ltd | Health & social care | 2012 |
| Eyedigit Limited | Information & communication | 2009 |
| Eyes Open Media Ltd | Information & communication | 2026 |
| Eyidea Limited | Information & communication | 2025 |
| Eyjei Ltd | Manufacturing | 2021 |
| EYL Accessory Ltd | Wholesale & retail | 2025 |
| Eyre & Strahan (Law Printers) Limited | Information & communication | 1996 |
| Eyre & Strahan Limited | Information & communication | 1996 |
| EZ Computers Limited | Wholesale & retail | 2017 |
| EZ TV Limited | Arts & recreation | 2003 |
| Ezee LET Ltd. | Real estate | 1999 |
| Ezike Consulting Ltd | Professional & scientific | 2025 |
| Ezora Ltd | Wholesale & retail | 2025 |
| Ezra Finance Ltd | Financial services | 2022 |
| EZY Industrial Services Ltd | Construction | 2023 |
| Ezylend Ltd | Administrative & support | 2023 |
| Ezypayments Ltd | Administrative & support | 2023 |
| Ezyprint Limited | Information & communication | 2017 |
| Ezytel Ltd | Information & communication | 2023 |
| Ezzey Ltd | Administrative & support | 2018 |
| Ezztech Solutions Limited | Information & communication | 2024 |
| F & B Hospitality Limited | Hospitality | 2025 |
| F & D Media Limited | Information & communication | 2011 |
| F & F Property London Limited | Manufacturing | 2016 |
| F & F Property Services Limited | Construction | 2025 |
| F & K Holdings Limited | Wholesale & retail | 2020 |
| F & M Sweets Ltd | Hospitality | 2025 |
| F & P (UK) Limited | Information & communication | 2003 |
| F a S T Accounting Limited | Professional & scientific | 1998 |
| F B C Interior Design Limited | Construction | 2008 |
| F F Films Ltd | Information & communication | 2023 |
| F I D Automotive Ltd | Manufacturing | 2025 |
| F O a Medical Services Limited | Health & social care | 2014 |
| F S Eurotransport Limited | Extraterritorial | 2014 |
| F Source Limited | Wholesale & retail | 2014 |
| F W Cook Limited | Wholesale & retail | 1994 |
| F W Morgan (TBS) Limited | Wholesale & retail | 2005 |
| F W Tomlinson (Newcastle) Limited | Manufacturing | 1943 |
| F&A Design Ltd | Construction | 2018 |
| F&A Motorsports Ltd | Wholesale & retail | 2026 |
| F&D Safe Commerce Ltd | Wholesale & retail | 2025 |
| F&H PUB and Rooms Limited | Hospitality | 2025 |
| F&M Autos Ltd | Wholesale & retail | 2018 |
| F&M Distributors Limited | Manufacturing | 2020 |
| F&S Pine Properties Limited | Real estate | 2018 |
| F&T Grange Foods Ltd | Hospitality | 2026 |
| F&W Consulting Ltd | Professional & scientific | 2015 |
| F&W Engineering Ltd | Professional & scientific | 2024 |
| F-Trends Ltd | Administrative & support | 2015 |
| F. G. Hutchings (Electricals) Limited | | 1965 |
| F.A IT Solution Ltd | Wholesale & retail | 2025 |
| F.A.B Bears Limited | Education | 2016 |
| F.A.N. (Hairdressing) Limited | Other services | 1962 |
| F.A.S. (Plumbing & Heating) Limited | Construction | 2006 |
| F.E.U. Management Solutions Ltd | Education | 2017 |
| F.I.G.R Limited | Professional & scientific | 2015 |
| F.M. Noble Ltd | Professional & scientific | 2014 |
| F.T.Mossford & Co.,Limited | Extraterritorial | 1910 |
| F.W.G Property Ltd | Real estate | 2019 |
| F1 Auto Spares Ltd | Wholesale & retail | 2025 |
| F2B Ltd | Administrative & support | 2024 |
| F2D N2S PR Ltd | Other services | 2019 |
| F9 Project Management Limited | Construction | 2019 |
| FA DRY Cleaners Ltd | Other services | 2017 |
| FA International Group Ltd | Other services | 2024 |
| Faalsecurity Limited | Administrative & support | 2021 |
| FAB BTB Solutions Ltd | Manufacturing | 2026 |
| FAB Distributions Ltd. | Wholesale & retail | 2015 |
| Fabb Domestic and Commercial Services Limited | Other services | 2017 |
| Fabco Group Limited | Financial services | 2025 |
| Fabco Investments Limited | Real estate | 2023 |
| Fabco PHI 1 Limited | Construction | 2023 |
| Fabco PHI 2 Limited | Construction | 2024 |
| Fabco PHI 3 Limited | Construction | 2025 |
| Fabco PHI 4 Limited | Construction | 2025 |
| Faber Concept Limited | Construction | 2006 |
| Fabersoft Ltd | Information & communication | 2025 |
| Fabien Montique Limited | Wholesale & retail | 2025 |
| Fabify Ltd | Wholesale & retail | 2019 |
| Fabinacci Group PC | | 2017 |
| Fabio Puglia Limited | Professional & scientific | 2014 |
| Fablecks Care Agency Limited | Health & social care | 2015 |
| Fablois Enterprise Ltd | Wholesale & retail | 2024 |
| Fabric Services Limited | Wholesale & retail | 2003 |
| Fabrica DE Nata Ltd | Hospitality | 2021 |
| Fabrica Wholesale Limited | Wholesale & retail | 2025 |
| Fabrico Engineering Ltd | Professional & scientific | 2015 |
| Fabrico International PC | | 2017 |
| Fabricom Ltd | Construction | 2014 |
| Fabrique Free Ltd | Wholesale & retail | 2025 |
| Fabs Properties Ltd | Real estate | 2019 |
| Fabulous Cleaning Ltd | Administrative & support | 2025 |
| Fabulous Ecom Ltd | Wholesale & retail | 2020 |
| Fabulous Smiles Limited | Health & social care | 2024 |