| Eldor Pharma Limited | Professional & scientific | 2021 |
| Eldor-Eight Limited | Real estate | 2018 |
| Eleanor Care Homes Holdings Limited | Health & social care | 2021 |
| Eleanor Care Transport Ltd | Transport & logistics | 2011 |
| Eleanor Coates Limited | Professional & scientific | 2014 |
| Eleanor Global Medical Supplies (UK) Ltd | Wholesale & retail | 2020 |
| Eleanor Health Care Group Limited | Health & social care | 2015 |
| Eleanor Healthcare Holdings Limited | Health & social care | 2016 |
| Eleanor Hospital Logistics Ltd | Transport & logistics | 2013 |
| Eleanor House RTM Company Limited | Households | 2017 |
| Eleanor Living Skills Ltd | Health & social care | 2015 |
| Eleanor Nursing and Social Care Limited | Health & social care | 2002 |
| Eleanor Properties LLP | | 2016 |
| Elec-Tricks South East Ltd | Construction | 2009 |
| Electric Generation UK Limited | Wholesale & retail | 2013 |
| Elegance One Limited | Transport & logistics | 2019 |
| Elegance Property Limited | Real estate | 2021 |
| ELEKTRIKO88 Ltd | Construction | 2020 |
| ELEV8TE OFM Ltd | Arts & recreation | 2026 |
| Elevare Education Foundation Limited | Education | 2018 |
| Elevate Care Insights CIC | Education | 2026 |
| Elevate-On Ltd | Professional & scientific | 2025 |
| Elevated Living Enterprise Limited | Administrative & support | 2023 |
| Elevation Academy Global Ltd | Professional & scientific | 2025 |
| Eleven 8EIGHTY8 Limited | Information & communication | 2017 |
| Eleven Eleven Contemporary Design & Build Ltd | Administrative & support | 2016 |
| Eleven Hundred Agency Limited | Professional & scientific | 2017 |
| Eleven Recruitment Ltd | Administrative & support | 2025 |
| Elezi Holdings Ltd | Real estate | 2024 |
| Elfinset Limited | Real estate | 1997 |
| Eli.Te Training Excellence Ltd | Wholesale & retail | 2021 |
| Elite Construction SE Ltd | Construction | 2023 |
| Elite Driving Instructor Training Ltd | Education | 2007 |
| Elite Electricians Holdings Ltd | Construction | 2026 |
| Elite Electricians Limited | Construction | 2003 |
| Elite Estate Managers Ltd | Real estate | 2022 |
| Elite Guards 247 Ltd | Administrative & support | 2022 |
| Elite Home Improvements (UK) Limited | Construction | 2006 |
| Elite Home Services Ltd | Construction | 2024 |
| Elite Housing Support CIC | Hospitality | 2026 |
| Elite Landscapes (London) Limited | Construction | 2005 |
| Elite Legal Services Ltd. | Professional & scientific | 2019 |
| Elite M&E Ltd | Construction | 2025 |
| Elite Management Group Ltd | Construction | 2021 |
| Elite Pets London Ltd | Wholesale & retail | 2021 |
| Elite Pipework Limited | Construction | 2009 |
| Elite Proformance Football Limited | Arts & recreation | 2025 |
| Eliteheat Plumbing Services Limited | Construction | 2024 |
| Eliz Healthcare Limited | Health & social care | 2022 |
| Elizabeth and Sophia (Rotherhithe) RTM Company Limited | Real estate | 2026 |
| Elizabeth Hsieh Ltd | Arts & recreation | 2019 |
| Elizabeth MAY Studio Hair Limited | Other services | 2019 |
| Elizabeth Nadine Wellbeing Ltd | Other services | 2024 |
| Elizabeth Rental Properties Ltd | Real estate | 2022 |
| Elizabeth Square (Rotherhithe) RTM Company Limited | Real estate | 2026 |
| Elizabeth Square 2 (Rotherhithe) RTM Company Limited | Real estate | 2026 |
| Elkei Services Ltd | Professional & scientific | 2026 |
| Elkervan Brand Limited | Administrative & support | 2026 |
| Ella Mews Investments Ltd. | Real estate | 2020 |
| Ellas Kitchen London Ltd | Hospitality | 2023 |
| Ellex Financial Solutions Ltd | Financial services | 2003 |
| Elliot James London Ltd | Professional & scientific | 2021 |
| Elliott Drake Brockman Associates Ltd | Professional & scientific | 2002 |
| Elliott Investments Ltd | Real estate | 2015 |
| Elliott Wright Property Investments Ltd | Real estate | 2026 |
| Elliott's Heating, Plumbing & Building Services Ltd | Construction | 2020 |
| Elliott.D Limited | Real estate | 2025 |
| Elliotts Decorators Limited | Construction | 2015 |
| Elliotts Family Decorating Ltd | Construction | 2024 |
| Ellis Taylor Beauty Ltd. | Health & social care | 2022 |
| Elliza Wade Limited | Wholesale & retail | 2013 |
| Ells Bells JL Ltd | Wholesale & retail | 2026 |
| Ellsar Ltd | Extraterritorial | 2019 |
| Elmcroft Management Limited | Households | 1985 |
| Elms Creative Solutions Limited | Information & communication | 2022 |
| Elms Residents Company Limited(The) | Households | 1964 |
| Elmsley Services Ltd | Information & communication | 2021 |
| Elohim Healthcare Services Limited | Health & social care | 2016 |
| Elroi Cleaning Solutions Limited | Administrative & support | 2026 |
| Elstree Hill Management Company Limited | Real estate | 1973 |
| Elvi Coulling Limited | Administrative & support | 2016 |
| Elvyn Solution Ltd | Construction | 2025 |
| Elysian Partners Limited | Information & communication | 2008 |
| Em-Roy UK Ltd | Construction | 2009 |
| EMA Care Service Ltd | Health & social care | 2022 |
| Emaxx Ventures Ltd | Wholesale & retail | 2025 |
| Embedcraft Limited | Manufacturing | 2018 |
| Ember Vale Community CIC | Health & social care | 2026 |
| Ember Wellness Hub Ltd | Professional & scientific | 2019 |
| Embodied Poetics Limited | Education | 2018 |
| Embryoport Ltd | Transport & logistics | 2021 |
| Embryoport UK Ltd | Transport & logistics | 2024 |
| EMC Hair Ltd | Other services | 2019 |
| EMC IT Limited | Professional & scientific | 2018 |
| Emegastore Ltd | Wholesale & retail | 2015 |
| Emerald Bridge Limited | Households | 2025 |
| Emerald Global Properties Limited | Real estate | 2024 |
| Emergx Asset Managers Limited | Financial services | 2021 |
| Emergx Capital Partners UK Limited | Professional & scientific | 2026 |
| Emergx Finance Corporation Limited | Financial services | 2018 |