| Excel Trucks Holdings Ltd | Financial services | 2022 |
| Excel Trucks Ltd | Wholesale & retail | 2015 |
| Excellent Life Tech Ltd | Professional & scientific | 2024 |
| Excellent Multicare Ltd | Health & social care | 2022 |
| Excellent Shower Ltd | Wholesale & retail | 2019 |
| Exel Licensing Holdings Ltd | Financial services | 2020 |
| Exel Licensing Ltd | Information & communication | 2020 |
| Exel Property Ltd | Real estate | 2020 |
| Exel Technology Group Holdings Ltd | Financial services | 2020 |
| Exel Technology Group Limited | Information & communication | 1998 |
| Exel Telecoms Holdings Ltd | Financial services | 2020 |
| Exel Telecoms Ltd | Wholesale & retail | 2020 |
| Exemplar Homecare Limited | Health & social care | 2016 |
| Expgeo Limited | Extraterritorial | 1991 |
| Express Coaching Services Ltd | Education | 2018 |
| Express Holdings Midlands Limited | Other services | 2018 |
| Express Hose & Fittings Limited | Other services | 2004 |
| Express Maintenance Services Limited | Other services | 2018 |
| Expressions Academy of Performing Arts Limited | Education | 2010 |
| Exriz Ltd | Wholesale & retail | 2022 |
| Exsposingyourplate Limited | Wholesale & retail | 2025 |
| Ezal Ltd | Wholesale & retail | 2025 |
| Ezel Ltd | Hospitality | 2024 |
| Ezro Utilities Ltd | Energy | 2023 |
| F & C Advertising Services Ltd | Wholesale & retail | 2026 |
| F M S Data Cabling Limited | Information & communication | 2002 |
| F Martin Limited | Wholesale & retail | 2002 |
| F&B Block Paving Limited | Professional & scientific | 2024 |
| F.A.Henshaw(House Furnishers)Limited | Wholesale & retail | 1966 |
| FAB Fascias Limited | Construction | 2005 |
| Fables Coffee House Limited | Wholesale & retail | 2020 |
| Fabulous Roofing Limited | Construction | 2026 |
| Facade Fire Safety Ltd | Professional & scientific | 2023 |
| Fair Price (Warsop) Limited | Wholesale & retail | 2026 |
| Fairecare Ltd | Extraterritorial | 2020 |
| Fairfield Rhodes Ltd | Construction | 2016 |
| Fairford Estates Limited | Construction | 2008 |
| Fairhomes Property Ltd | Real estate | 2017 |
| Fairmile Property Group Ltd | Construction | 2017 |
| Fairmont Cooper Ltd | Real estate | 2022 |
| Faith Bridal Limited | Wholesale & retail | 2024 |
| Faith Housing Estate Ltd | Real estate | 2023 |
| Falcon Pest Control Services (Nationwide) Limited | Administrative & support | 2014 |
| Familiar Fast Ltd | Public administration | 2025 |
| Farm Yard Property Ltd | Real estate | 2025 |
| Farman Group Limited | Other services | 2018 |
| Farndale Commercial Property Limited | Real estate | 2022 |
| Farndale Property Management Limited | Real estate | 2021 |
| Fasciawise Limited | Extraterritorial | 2015 |
| Fast & Loud Limited | Arts & recreation | 2015 |
| Fast Granite Ltd | Manufacturing | 2016 |
| Fast Sale Agent Limited | Extraterritorial | 2010 |
| Fast Track Recovery Ltd | Transport & logistics | 2025 |
| Fast-Aid Limited | Education | 2024 |
| Faster Functional Education Limited | Arts & recreation | 2011 |
| Faster Health and Fitness Limited | Arts & recreation | 2003 |
| Fastrad Couriers Ltd | Transport & logistics | 2018 |
| Favier Ltd | Professional & scientific | 2022 |
| Faye Wilde Education Ltd | Administrative & support | 2024 |
| Faye Wilde Photography Ltd | Professional & scientific | 2022 |
| Fbdl Ltd | Transport & logistics | 2019 |
| FC Indian Ltd | Hospitality | 2018 |
| FD Advisory Services Ltd | Professional & scientific | 2019 |
| FD Environmental Ltd | Professional & scientific | 2025 |
| Feather Partnership Limited | Information & communication | 2014 |
| Februaryeleven Ltd | Wholesale & retail | 2025 |
| Feedbck.Ai Ltd | Information & communication | 2025 |
| Feel Good Gardens CIC | Administrative & support | 2017 |
| Fell Breakaways Ltd | Hospitality | 2025 |
| Fenfix Ltd | Construction | 2021 |
| Fenfre Developments Limited | Construction | 2021 |
| Ferguson Enterprises Ltd | Information & communication | 2026 |
| Fernleaf Properties Ltd | Construction | 2017 |
| Fernross Limited | Information & communication | 2024 |
| Ferocious Dog Promotions Ltd | Arts & recreation | 2023 |
| Ferox Apparel Ltd | Wholesale & retail | 2025 |
| Fertility Matters at Work CIC | Education | 2021 |
| Fetchem Dog Fields Ltd | Real estate | 2026 |
| Fewell Design Co. Ltd | Financial services | 2025 |
| Feyafeht Ltd | Wholesale & retail | 2021 |
| FFJ Property Solutions Ltd | Households | 2025 |
| FGC & Sons Ltd | Construction | 2014 |
| Fguk (Mids) Ltd | Construction | 2017 |
| Fibre Plus Communications Ltd | Information & communication | 2016 |
| Fibresand International Limited | Manufacturing | 1999 |
| Fibresand Limited | Manufacturing | 1987 |
| Fibresand UK (Mansfield) Limited | Mining & quarrying | 1999 |
| Fibresand UK Limited | Manufacturing | 1999 |
| Fibreturf Limited | Mining & quarrying | 2003 |
| Fifth Word Theatre | Arts & recreation | 2008 |
| Filtercraft Limited | Professional & scientific | 2007 |
| Final Flight Furniture UK Limited | Manufacturing | 2016 |
| Final-Eyes Limited | Real estate | 2001 |
| Findsmybike Limited | Other services | 2025 |
| Findsmycar Limited | Other services | 2025 |
| Findsmyvan Limited | Other services | 2025 |
| Finest Express Ltd | Wholesale & retail | 2022 |
| Finlay Farms Ltd | Agriculture & fishing | 2019 |
| Finol Consultants Limited | Professional & scientific | 2022 |
| Firbeck Foods Limited | Hospitality | 2021 |