| East Street Brighton Limited | Hospitality | 2017 |
| Eastbound Films Ltd | Information & communication | 2024 |
| Eastcote Practice Ltd | Health & social care | 2026 |
| Eastern Illusion Ltd | Arts & recreation | 2007 |
| Eastlight Properties Ltd | Real estate | 2022 |
| Eastring Limited | Health & social care | 2017 |
| Easy Fit MOT Ltd | Wholesale & retail | 2017 |
| Easy Plastering Limited | Construction | 2012 |
| Easydrop Couriers Logistics Ltd | Transport & logistics | 2025 |
| Easyipeasy Limited | Information & communication | 2002 |
| EAT ME Events Limited | Hospitality | 2013 |
| Eating Disorders Consultancy Ltd | Health & social care | 2023 |
| Eaton Gate Psychology Limited | Health & social care | 2022 |
| Eaton RM Limited | Administrative & support | 1999 |
| EB Builders Ltd | Construction | 2017 |
| EB Mpharm Ltd | Wholesale & retail | 2020 |
| EB NO.1 Ltd | Hospitality | 2023 |
| Ebass Ltd | Construction | 2020 |
| Ebay Construction Services Ltd | Construction | 2021 |
| EBM Construction Services Ltd | Construction | 2006 |
| Ebor Eruv Charitable Trust | Other services | 2006 |
| Ebrahim and Hindi Ltd | Real estate | 2018 |
| Eccleston Chambers Limited | Hospitality | 1965 |
| Ecdb Holdings Limited | Financial services | 2019 |
| Ecdb Ltd | Construction | 2016 |
| Echelon Construction Design & Build Limited | Construction | 2021 |
| Echoes of the Earth Limited | Health & social care | 2021 |
| Eclipse One Braintree RTM Company Limited | Households | 2019 |
| Eclipse Two Braintree RTM Company Limited | Households | 2019 |
| Eco Balance Acumats Ltd | Wholesale & retail | 2024 |
| Eco Furniture Ltd | Wholesale & retail | 2009 |
| Eco Logistics Limited | Extraterritorial | 2006 |
| Eco Mats Ltd | Information & communication | 2024 |
| Ecom Holdings Ltd | Wholesale & retail | 2018 |
| Ecotar Ltd | Wholesale & retail | 2025 |
| Ecsserviceoffice Ltd | Administrative & support | 2025 |
| Ecutiv Limited | Wholesale & retail | 2016 |
| ED Grants Ltd | Professional & scientific | 2024 |
| EDB Media Ltd | Manufacturing | 2019 |
| Edda Design Ltd | Arts & recreation | 2019 |
| Eddington Lumo (Management Company) Limited | Households | 2025 |
| Edemus Limited | Professional & scientific | 2019 |
| Eden Venture Partners Ltd | Hospitality | 2021 |
| Edenbar Ltd | Real estate | 2004 |
| Edenhurst Family Office Ltd | Other services | 2017 |
| Edgware Company Secretaries Limited | Administrative & support | 2008 |
| Edgware Corporation Limited | Real estate | 2013 |
| EDI Spirits Limited | Manufacturing | 2023 |
| Edmund Ieong Ltd | Health & social care | 2021 |
| Edmundo Building Services Ltd | Construction | 2013 |
| Edra Properties Limited | Real estate | 1946 |
| Educo Properties Limited | Real estate | 2017 |
| Eduguarduk Ltd | Education | 2024 |
| Edulink Ltd | Education | 2026 |
| EEB Consultants Limited | Professional & scientific | 2017 |
| EEB Solutions LLP | | 2016 |
| Eeea Ltd | Real estate | 2021 |
| Eeshan Solutions Ltd | Information & communication | 2014 |
| EFB (Langham) Limited | Real estate | 2021 |
| EFD Construction Limited | Construction | 2019 |
| EG Cafe Ltd | Hospitality | 2025 |
| Egerton Stephens Partners Ltd | Administrative & support | 2006 |
| EGI Williams Ltd | Information & communication | 2011 |
| EGS Middle East & Asia Limited | Manufacturing | 2018 |
| EH Holdings Ltd | Financial services | 2023 |
| Eigen Works Limited | Information & communication | 2019 |
| Eiger Spraying Limited | Professional & scientific | 2008 |
| EIGHT.38 Ltd | Professional & scientific | 2024 |
| Eighty Four Camden Ltd | Real estate | 2022 |
| Eikon Estates Ltd | Real estate | 2014 |
| Einhorn Entertainment Limited | Administrative & support | 2008 |
| EJ Creative Design Ltd | Construction | 2014 |
| EJ Design Homes Ltd | Real estate | 2026 |
| EJ Investments (London) Limited | Real estate | 2025 |
| Ejem Resources Limited | Professional & scientific | 2005 |
| EJR Investments Limited | Administrative & support | 2021 |
| EJV Decorating Team Ltd | Construction | 2022 |
| EJW Art Ltd | Arts & recreation | 2026 |
| EK and S Ltd | Hospitality | 2024 |
| Ekasoa Limited | Administrative & support | 2013 |
| Ekham Consulting Ltd | Administrative & support | 2020 |
| Ekham Investments Limited | Real estate | 2023 |
| Ekklesia Media Ltd | Information & communication | 2022 |
| Ekstensive Scenery Limited | Construction | 2020 |
| EL Cerdo Ltd | Hospitality | 2021 |
| El'Fads Holdings Ltd | Other services | 2021 |
| El'Saad Limited | Wholesale & retail | 2025 |
| ELA Film Services Ltd | Information & communication | 2010 |
| Elahi Estates Ltd | Real estate | 2025 |
| Elana Patrice Limited | Manufacturing | 1998 |
| Elata Management Limited | Extraterritorial | 1990 |
| Elbdeco Ltd | Construction | 2024 |
| Elderberry Court Management Limited | Households | 2003 |
| Elderlea Limited | Professional & scientific | 2025 |
| Electricity Infrastructure Group UK Ltd | Financial services | 2025 |
| Electricity Resilience Limited | Professional & scientific | 2019 |
| Electrictask Ltd | Construction | 2025 |
| Electro Technique Ltd | Construction | 2021 |
| Electrom Ltd | Construction | 2014 |
| Elegant Ulez Motors Ltd | Wholesale & retail | 2022 |