| EJ Creative Limited | Arts & recreation | 2010 |
| EJ Platt Consultant Services Limited | Professional & scientific | 2025 |
| EJ Platt Holdings Limited | Financial services | 2025 |
| Eji&Opera Ltd | Real estate | 2016 |
| Ek-Aba Consultation Services Ltd | Education | 2026 |
| Elanora Limited | Real estate | 2011 |
| Elata Global Ltd | Professional & scientific | 2025 |
| ELB Building Consultancy Limited | Professional & scientific | 2020 |
| Elbacto Ltd | Professional & scientific | 2025 |
| Elco Accounting Limited | Professional & scientific | 2018 |
| Elderfern Ltd | Real estate | 2009 |
| Elect Holdings Limited | Professional & scientific | 2008 |
| Elect Recruitment Limited | Administrative & support | 2008 |
| Elect Services Limited | Administrative & support | 2001 |
| Electronic Medical Solutions Ltd | Extraterritorial | 2011 |
| Element Blue CIC | Education | 2025 |
| Elevare Business Services Limited | Professional & scientific | 2025 |
| Elevareuk Limited | Manufacturing | 2024 |
| Elevator Investments Limited | Professional & scientific | 2013 |
| Eley Investments Limited | Real estate | 2008 |
| ELI Kitchen Ltd | Hospitality | 2026 |
| Elite Building & Construction Services Ltd | Construction | 2019 |
| Elite Care Medical Specialist Ltd | Health & social care | 2025 |
| Elite Culinary & Hospitality Consulting Ltd | Professional & scientific | 2026 |
| Elite Eagles Construction Ltd | Construction | 2024 |
| Elite Flooring Services Worldwide Ltd | Construction | 2025 |
| Ella's Emeralds Ltd | Wholesale & retail | 2025 |
| Ellahee Trading Limited | Wholesale & retail | 2019 |
| Ellis Dennis Warwick LLP | | 2009 |
| Ellison Ventures Ltd | Real estate | 2025 |
| ELM Park Estates Limited | Real estate | 1994 |
| ELM Tree Walk Management Limited | Households | 1993 |
| Elms Projects Ltd | Construction | 2024 |
| Elnel Trading Ltd | Wholesale & retail | 2023 |
| Elto-Uk Ltd | Construction | 2020 |
| Elvey Auto Ltd | Wholesale & retail | 2011 |
| Elvey Limited | Wholesale & retail | 2001 |
| Elxi Limited | Transport & logistics | 2025 |
| Elyse Vaudron Ltd | Other services | 2022 |
| Elysian Care Ltd | Health & social care | 2024 |
| Embee Oak Consultancy Limited | Real estate | 2017 |
| Embee Oak Imaging Limited | Health & social care | 2022 |
| Embee Oak Limited | Professional & scientific | 2016 |
| Emblem Aylesbury Limited | Real estate | 2013 |
| Emblem Developments Ltd | Construction | 2012 |
| Emblem Midlands Limited | Real estate | 2021 |
| Emerch Ltd | Wholesale & retail | 2025 |
| Emiya Ltd | Education | 2024 |
| Emm-G Services Ltd | Construction | 2025 |
| Emma Day Limited | Hospitality | 2014 |
| Emmjee Solutions Ltd | Professional & scientific | 2026 |
| Empire 777 Ltd | Construction | 2015 |
| Emporia UK and Ireland Limited | Wholesale & retail | 2019 |
| Enchanted Clicks Ltd | Wholesale & retail | 2021 |
| Energheia Ltd | Professional & scientific | 2024 |
| Energy Shipping Ltd | Other services | 1996 |
| Enfield Trade Centre Limited | Wholesale & retail | 2026 |
| Engaging Service Limited | Administrative & support | 2014 |
| England Bros & Co.(Printers)Limited | Manufacturing | 1946 |
| Enice Investments Limited | Financial services | 2018 |
| Enosis Consultancy Ltd | Health & social care | 2025 |
| EOS Medical Sciences Limited | Education | 2026 |
| EOS Tiles Limited | Wholesale & retail | 2015 |
| EPC Providers E-Tech Limited | Manufacturing | 2011 |
| Epinephelus Limited | Health & social care | 2016 |
| Epistament Ltd | Professional & scientific | 2023 |
| Epiworld Consultancy Limited | Professional & scientific | 2020 |
| Eplt Consulting Ltd | Information & communication | 2023 |
| Equality Lettings Limited | Real estate | 2017 |
| Equals Ltd | Extraterritorial | 2009 |
| Equicap Limited | Financial services | 2018 |
| Equilibrium Design Studio Limited | Other services | 2002 |
| Erda Ally Ltd | Wholesale & retail | 2019 |
| Esjf Limited | Administrative & support | 2019 |
| Esjf Property Limited | Real estate | 2019 |
| Esra Resources Limited | Professional & scientific | 2022 |
| Essher Limited | Hospitality | 2023 |
| Estilofy Ltd | Wholesale & retail | 2023 |
| Ethical Globe Project Ltd | Information & communication | 2018 |
| Etorque Limited | Manufacturing | 2021 |
| Euro Diamond Drilling Limited | Construction | 1988 |
| Eurobourne Properties Limited | Construction | 2003 |
| Euston Waste Management Limited | Water & waste | 2011 |
| EV & OS Properties Limited | Real estate | 2026 |
| EVB Ltd | Professional & scientific | 2018 |
| Event Guides EOT Limited | Administrative & support | 2024 |
| Event Guides Limited | Information & communication | 2006 |
| Evental Technologies Ltd | Information & communication | 2026 |
| Ever Tree ARB Solutions Ltd | Water & waste | 2024 |
| Everfern Limited | Financial services | 2025 |
| Evergreen Hospitality Consultancy Limited | Professional & scientific | 2021 |
| Evergreen Land Limited | Professional & scientific | 2017 |
| Everway Industrial (UK) Ltd | Wholesale & retail | 2022 |
| Evia Tasty Food Ltd | Hospitality | 2018 |
| Evidence Vault Ltd | Information & communication | 2026 |
| Ewart Richardson Design Limited | Professional & scientific | 2015 |
| Excel Home Improvements Limited | Construction | 2019 |
| Excellentia Sales UK Ltd | Wholesale & retail | 2024 |
| Exchange Freeholders Limited | Households | 2020 |
| Executive Transfers London Limited | Transport & logistics | 2016 |