| Earthside Ltd | Wholesale & retail | 2025 |
| Ebbway Limited | Wholesale & retail | 1995 |
| Eble Consultancy Ltd | Professional & scientific | 2023 |
| Eccellenza Limited | Professional & scientific | 2023 |
| Eco-Verse Environmental Services Limited | Professional & scientific | 2024 |
| Ecobase Tiles Limited | Manufacturing | 2018 |
| Ecowise Consultancy Ltd | Professional & scientific | 2025 |
| Ed's Trading Limited | Manufacturing | 2005 |
| EDG CAM Ltd | Wholesale & retail | 2020 |
| Edgeform Limited | Professional & scientific | 2024 |
| Edison Consultancy Services Limited | Administrative & support | 2015 |
| Edwards Building Solutions Limited | Administrative & support | 2015 |
| Eguchi Iwao Europe Limited | Wholesale & retail | 2019 |
| Eguchi Iwao Property Limited | Real estate | 2024 |
| Eguchi Iwao UK Limited | Wholesale & retail | 2019 |
| EH9 Limited | Professional & scientific | 2017 |
| EHJ Buy Co NO 1 Limited | Professional & scientific | 2022 |
| EIGHT8 Experiences Ltd | Administrative & support | 2026 |
| EJC Technical Services Limited | Professional & scientific | 2013 |
| EK Clinic Ltd | Health & social care | 2018 |
| Ekin and Jones Limited | Wholesale & retail | 2021 |
| Electric Vehicles Outlook Ltd | Professional & scientific | 2015 |
| Element London Limited | Professional & scientific | 2009 |
| Elements Plastering Solutions Ltd | Construction | 2023 |
| Elenness Events Ltd | Hospitality | 2024 |
| Eleven Hair Studio Ltd | Other services | 2025 |
| Elite Heart Health Ltd | Health & social care | 2025 |
| Elite Private Properties Limited | Real estate | 2022 |
| Elizabeth Damilola Blackburn Limited | Arts & recreation | 2020 |
| Ellbie Co. Ltd | Arts & recreation | 2017 |
| Elliottfilms Ltd | Arts & recreation | 2024 |
| ELM Tree Energy Services Limited | Real estate | 2022 |
| ELM Tree Farm Cottages Limited | Real estate | 2012 |
| Emily at Chique Hair Limited | Other services | 2025 |
| Emmet FOY Limited | Administrative & support | 2022 |
| Encompass Building Services (Northern) Ltd | Construction | 2022 |
| Endroit SÛR Ltd | Real estate | 2023 |
| Energy Rentals Solutions Limited | Administrative & support | 2012 |
| Engage Consulting Services Limited | Professional & scientific | 2019 |
| Engines Worldwide Limited | Wholesale & retail | 2018 |
| Enhance Building Ltd | Construction | 2024 |
| Ephology Limited | Professional & scientific | 2021 |
| Equilibrium Motorsport Dynamics Ltd | Administrative & support | 2008 |
| Equinox Horizon Ltd | Information & communication | 2025 |
| ESN Property Holdings Ltd | Real estate | 2024 |
| Esphere Solutions Ltd | Professional & scientific | 2015 |
| Eternal Blossom Photography Ltd | Professional & scientific | 2023 |
| Ethical Junction Ltd | Real estate | 2020 |
| EV Charging Systems Limited | Extraterritorial | 2017 |
| Evansons Building Solutions Ltd | Construction | 2004 |
| Evelutio Ltd | Information & communication | 2016 |
| Event Solutions South Limited | Other services | 2005 |
| Event Street Food Limited | Hospitality | 2018 |
| Evenup Limited | Professional & scientific | 2013 |
| Everything Scarlet Ltd | Arts & recreation | 2017 |
| EVW Holdings Ltd | Real estate | 2026 |
| EWG (Northamptonshire) Limited | Wholesale & retail | 2021 |
| Excelsior Scientific Limited | Professional & scientific | 2012 |
| Export Control Solutions Limited | Professional & scientific | 2007 |
| Ezygo Ltd | Other services | 2011 |
| F&T Investments MK Ltd | Administrative & support | 2023 |
| F-Tac Ltd | Education | 2019 |
| F.B.H. Management Company Ltd | Administrative & support | 1988 |
| Faccenda Farms (Enstone) Limited | Extraterritorial | 2015 |
| Faccenda Farms (Partnership) Ltd | Extraterritorial | 2015 |
| Faccenda Foods (Lincs) Limited | Manufacturing | 2013 |
| Faccenda Holdings Limited | Financial services | 2017 |
| Faccenda Property Limited | Construction | 2006 |
| Falcutt Barns Residents Association Limited | Administrative & support | 2000 |
| Farmer Property Co Limited | Real estate | 2016 |
| Farr OUT Builders Limited | Construction | 1997 |
| Fastback Films Limited | Information & communication | 2022 |
| FED3 (Chiswick) Ltd | Financial services | 2026 |
| Fegu Ltd | Arts & recreation | 2020 |
| Fifty Words Ltd | Administrative & support | 2015 |
| Final Form Fitness Limited | Arts & recreation | 2023 |
| Finmere Investments Limited | Agriculture & fishing | 1980 |
| Finserve Solutions Ltd | Construction | 2023 |
| Fiona Wilbraham Limited | Manufacturing | 2025 |
| Firstline Technology Limited | Administrative & support | 1997 |
| Fit Tech Limited | Other services | 2010 |
| Five Star Logistics Group Ltd | Transport & logistics | 2025 |
| Flexel (Europe) Limited | Wholesale & retail | 2008 |
| Flexel (UK) Limited | Manufacturing | 1986 |
| Flicx UK Limited | Arts & recreation | 2001 |
| Flygear Ltd | Extraterritorial | 2023 |
| Flying Carrots Limited | Real estate | 2014 |
| Flying Timbers Limited | Construction | 2019 |
| Folding Future Limited | Construction | 2004 |
| Foltex UK Laundry Technology Limited | Extraterritorial | 2015 |
| Foodtastic Catering Limited | Administrative & support | 2017 |
| Footballuk Group Ltd | Wholesale & retail | 2022 |
| Forget ME NOT (Bicester) Ltd | Other services | 2017 |
| Forrester HR Consulting Ltd | Professional & scientific | 2023 |
| Fortis Hire Limited | Construction | 2016 |
| Fortyfive Communications Ltd | Professional & scientific | 2022 |
| Forward Focus Group Limited | Other services | 2021 |
| Fotw Composites Ltd | Manufacturing | 2022 |
| Foundations Groundworks & Construction Ltd | Construction | 2024 |
| Four Bluejays Limited | Arts & recreation | 2023 |