| Environsure Ltd | Health & social care | 2015 |
| Envirotech Building Services Ltd | Construction | 2009 |
| Envirotech Climate Control Limited | Construction | 2003 |
| Envirotech Consortium Limited | Financial services | 2014 |
| Envirotech Electrical Services Ltd | Construction | 2007 |
| Envirotech Facilities Management Ltd | Other services | 2018 |
| Envirotech Interiors Ltd | Professional & scientific | 2011 |
| Envirovault Ltd | Water & waste | 2026 |
| Envision Asset Limited | Real estate | 2022 |
| Envision Care Plus Ltd | Health & social care | 2021 |
| Envision Eden Estates Ltd. | Real estate | 2024 |
| Envision Estates Ltd | Construction | 2023 |
| Envision Health Plus Ltd | Health & social care | 2025 |
| Envision Information Technologies Ltd | Information & communication | 2024 |
| Envoy Logistics Ltd | Transport & logistics | 2020 |
| Envy Desserts Ltd | Hospitality | 2021 |
| Envy Entertainment Ltd | Information & communication | 2015 |
| Envy Films Ltd | Information & communication | 2024 |
| Envy Jewellery Ltd | Wholesale & retail | 2009 |
| Envy Music Group Ltd | Information & communication | 2024 |
| Envy Nail & Tanning Beauty Limited | Other services | 2020 |
| Envy Nails & Beauty Limited | Other services | 2019 |
| Envy Worldwide Ltd | Manufacturing | 2024 |
| ENX Trading Limited | Hospitality | 2024 |
| Enyalyë Ltd | Wholesale & retail | 2024 |
| Enyarol Ltd | Professional & scientific | 2020 |
| Enzotravel Ltd | Transport & logistics | 2026 |
| Enzy Autos Ltd | Wholesale & retail | 2025 |
| EOC Supplies Ltd | Wholesale & retail | 2025 |
| Eocycle UK Limited | Energy | 2019 |
| EOG Consulting Ltd | Professional & scientific | 2025 |
| EOI Limited | Real estate | 2019 |
| EOM Dooh Ltd | Professional & scientific | 2024 |
| EON Drylining Ltd | Construction | 2015 |
| EON Enterprise Europe Ltd | Wholesale & retail | 2019 |
| EON Global Ltd | Wholesale & retail | 2024 |
| EON International Limited | Professional & scientific | 2007 |
| Eone Emedia Ltd | Manufacturing | 2022 |
| Eonyx Solutions Limited | Information & communication | 2003 |
| EOS Interiors Limited | Professional & scientific | 2009 |
| Eoss Construction Limited | Real estate | 2023 |
| Eotovest Ltd | Financial services | 2020 |
| EP (Bracknell) Limited | Real estate | 2020 |
| EP Beauty Kids Ltd | Wholesale & retail | 2024 |
| EP Building Ltd | Manufacturing | 2025 |
| EP Legal Ltd. | Professional & scientific | 2015 |
| EP Nether Heyford Limited | Real estate | 2021 |
| EP Residential Limited | Real estate | 2024 |
| EP Veetech Ltd | Manufacturing | 2019 |
| Epacuk Community Interest Company | Public administration | 2024 |
| Epangea Medical Import and Export Ltd | Wholesale & retail | 2024 |
| Epas Services Limited | Information & communication | 2006 |
| Epbcs Solutions Ltd | Information & communication | 2022 |
| EPC Certs Midlands Ltd | Administrative & support | 2026 |
| EPC Model Ltd | Construction | 2026 |
| EPC Upgrade Solutions Ltd | Professional & scientific | 2025 |
| EPE Global Limited | Wholesale & retail | 2014 |
| EPE Trusted to Protect (UK) Limited | Public administration | 2026 |
| Eperks Limited | Information & communication | 2025 |
| Epernay Beauty and Spa Ltd | Other services | 2021 |
| Epes Care Services Ltd | Health & social care | 2015 |
| EPG Muller Limited | Administrative & support | 2017 |
| EPG Training Centre Limited | Education | 2026 |
| Ephraim Group Limited | Extraterritorial | 2012 |
| Ephraim Properties Limited | Real estate | 2012 |
| Epic Aero Co Ltd | Wholesale & retail | 2017 |
| Epic Bullyz Limited | Agriculture & fishing | 2016 |
| Epic Care Services Limited | Health & social care | 2019 |
| Epic Edge Ltd | Professional & scientific | 2024 |
| Epic Entrepreneurs C.I.C. | Administrative & support | 2024 |
| Epic Expeditions Limited | Education | 2026 |
| Epic Fitness Limited | Arts & recreation | 2023 |
| Epic FX Ltd | Wholesale & retail | 2019 |
| Epic Gyms Limited | Arts & recreation | 2023 |
| Epic Investment Consultants Limited | Real estate | 2015 |
| Epic Lifestyle Limited | Arts & recreation | 2023 |
| Epic Management Group Ltd | Information & communication | 2024 |
| Epic Performance Cars Limited | Wholesale & retail | 2022 |
| Epic Performance Vehicles Limited | Wholesale & retail | 2022 |
| Epic Videography Ltd | Information & communication | 2025 |
| Epic Windows and Conservatories Limited | Administrative & support | 2014 |
| Epinec Limited | Information & communication | 2021 |
| Epinetzo Ltd | Information & communication | 2026 |
| Epiphany LFP Ltd | Professional & scientific | 2019 |
| Epirus Restaurant Limited | Hospitality | 2020 |
| Epistolary Limited | Professional & scientific | 2021 |
| Epitomise Limited | Professional & scientific | 2017 |
| EPL (Midlands) Limited | Construction | 1986 |
| EPLACE88 Limited | Wholesale & retail | 2019 |
| Eplus Limited | Wholesale & retail | 2020 |
| EPM Advisory (Cambridge) Limited | Professional & scientific | 2026 |
| EPM France Publishing Ltd | Information & communication | 2025 |
| EPM Midlands Limited | Real estate | 2015 |
| EPO Africa Limited | Real estate | 2026 |
| Epoch Group Limited | Hospitality | 2018 |
| Epoch Paper Limited | Manufacturing | 2025 |
| Epok Bikes Limited | Extraterritorial | 2017 |
| Epoliom Swiss Capital Ltd | Real estate | 2022 |
| EPOS4MOBILES Ltd | Information & communication | 2026 |
| Epower International Business Ltd | Manufacturing | 2023 |