| Elite Pro Maintenance Ltd | Construction | 2025 |
| Elite Property Services (EPS) Limited | Construction | 2004 |
| Elite Rose Education Ltd | Professional & scientific | 2022 |
| Elite Training and Assessment Limited | Education | 2022 |
| Elite Virtual Assistant Limited | Administrative & support | 2024 |
| Elite West Construction Limited | Construction | 2021 |
| Elite Windows Limited | Construction | 2000 |
| ELK IT Services Limited | Information & communication | 2018 |
| ELK Trading Limited | Financial services | 2021 |
| Elleray Campus Developments Ltd | Real estate | 2025 |
| Elli Health Limited | Information & communication | 2025 |
| Elliot's Heating and Plumbing Limited | Professional & scientific | 2015 |
| Ellis Designs (Architecture & Interiors) Ltd | Professional & scientific | 2013 |
| Ellis Hass Limited | Professional & scientific | 2014 |
| Ellis James Prestige Automotive Ltd | Wholesale & retail | 2018 |
| Ellis Management Services Limited | Professional & scientific | 1991 |
| Elluam Limited | Construction | 2019 |
| ELM Farm Developments Ltd | Agriculture & fishing | 2019 |
| ELM Residenze Limited | Information & communication | 2018 |
| Elmbuild Ltd | Construction | 2013 |
| Elmdon Cars (Taxis) Limited | Real estate | 1973 |
| Elmdon Electrical Limited | Construction | 2024 |
| Elmdon Electrical Solutions Ltd | Construction | 2020 |
| Elmdon Estate Ltd | Real estate | 2024 |
| Elmdon Grange Limited | Real estate | 1999 |
| Elmdon Houses Ltd | Construction | 2025 |
| Elmdon Properties Service Ltd | Real estate | 2021 |
| Elmdon Studios Ltd | Information & communication | 2018 |
| Elmhurst Farm Developments LLP | | 2021 |
| Elmoran Constructions Limited | Professional & scientific | 2016 |
| Elms Farm Residents Management Company Limited | Households | 2017 |
| Elmswell Land Limited | Construction | 2025 |
| ELP Complete Kitchens Ltd | Manufacturing | 2024 |
| Elstac Investments Limited | Professional & scientific | 2006 |
| Elswood Properties Limited | Real estate | 2020 |
| Eltham Park Dental Practice Limited | Health & social care | 2009 |
| Eltham Park Holdings Ltd | Financial services | 2023 |
| Elvers Properties Limited | Real estate | 2016 |
| Elvia Services Ltd | Transport & logistics | 2020 |
| Elysian Bite Food Ltd | Manufacturing | 2024 |
| Elysium Capital & Equity Ltd | Real estate | 2023 |
| EM Electrical Ltd | Construction | 2021 |
| Em&Co Property Services Ltd | Real estate | 2024 |
| Emanlabs Ltd | Wholesale & retail | 2026 |
| EMB Consulting Services Ltd | Professional & scientific | 2022 |
| Ember Path CIC | Education | 2024 |
| Ember Recruitment Limited | Administrative & support | 2018 |
| Emberlight Learning Ltd | Education | 2025 |
| Embo Ltd | Professional & scientific | 2020 |
| Embrass Peerless Ltd | Extraterritorial | 2010 |
| EMC Powder Coaters Limited | Manufacturing | 2011 |
| Emerald Care Solutions Ltd | Health & social care | 2023 |
| Emerald Freehold Investments Ltd | Real estate | 2026 |
| Emerald Green Energy Ltd | Construction | 2023 |
| Emerald Solar Energy Ltd | Energy | 2024 |
| Emerald Solar Ltd | Energy | 2026 |
| Emeth Technologies Limited | Information & communication | 2026 |
| EMF YIP Solutions Limited | Information & communication | 2013 |
| Emirates Hills Limited | Wholesale & retail | 2023 |
| Emlo Limited | Professional & scientific | 2025 |
| Emmett & Green Limited | Construction | 2023 |
| Emms IT Limited | Information & communication | 2006 |
| Emmylou & Hugo's Properties Limited | Real estate | 2024 |
| EMN Systems Ltd | Information & communication | 2026 |
| Empex Ltd | Wholesale & retail | 2020 |
| Empire Care Limited | Health & social care | 2016 |
| Empire Mart Ltd | Wholesale & retail | 2025 |
| Empire Property Investment Ltd | Extraterritorial | 2024 |
| Empire Property Lettings and Management Ltd | Real estate | 2021 |
| Empire Talent Solutions Limited | Administrative & support | 2023 |
| Employee Retention Services Limited | Professional & scientific | 2014 |
| Employer Covenant Solutions Limited | Professional & scientific | 2007 |
| EMS Business Services Limited | Information & communication | 2008 |
| EN Foods Limited | Hospitality | 2017 |
| Enabling Maximum Potential Limited | Professional & scientific | 2010 |
| Enchanted Property Limited | Real estate | 2016 |
| Encodar Limited | Administrative & support | 2021 |
| Encom Systems Ltd | Information & communication | 2011 |
| Encompass Construction and Development Limited | Construction | 2018 |
| Endosych Limited | Health & social care | 2015 |
| Endure Club Limited | Wholesale & retail | 2025 |
| Energy and Environment Awards Limited | Education | 2024 |
| Energy and Utility Skills Limited | Other services | 1999 |
| Energy One (Europe) Limited | Information & communication | 2006 |
| Energy Saving Group Ltd | Professional & scientific | 2018 |
| Energy Saving Homes Ltd | Real estate | 2023 |
| Energy Saving Rentals Limited | Real estate | 2023 |
| Enewshea. Ltd | Wholesale & retail | 2020 |
| Enfield Precision Engineers Limited | Wholesale & retail | 2016 |
| Enfield Refurbishment Limited | Other services | 2012 |
| ENG Projects Ltd | Other services | 2009 |
| Engage to Improve Ltd | Professional & scientific | 2018 |
| Engco Ltd | Professional & scientific | 2021 |
| Engenius Properties Limited | Real estate | 2017 |
| Engine Brother Capital (Icknield Street) Limited | Construction | 2018 |
| Engine Brother Capital Ltd | Financial services | 2018 |
| Engine House Pt-Company Ltd | Arts & recreation | 2025 |
| Engine Pool View Ltd | Households | 2024 |
| Engineering Alfa Ltd | Professional & scientific | 2021 |
| Engineering OEM Ltd | Manufacturing | 2017 |