| Eastland Court (Bromley) Residents Company Limited | Households | 2000 |
| Easy Earn Ltd | Professional & scientific | 2022 |
| Easylearn Hub Limited | Education | 2025 |
| Easypark Solutions Ltd | Information & communication | 2026 |
| Easyware (U.K.) Limited | Information & communication | 2004 |
| EAT With Impact Limited | Wholesale & retail | 2020 |
| EB Real Estate Ltd | Real estate | 2013 |
| EB Serv Limited | Information & communication | 2012 |
| EBA Systems Limited | Information & communication | 2010 |
| Ebenezer Asset Managers Ltd | Real estate | 2019 |
| Ebenezer Medicare Ltd | Health & social care | 2019 |
| Ebenezer Tandoh Ltd | Hospitality | 2025 |
| Ebens.Incorp Ltd | Administrative & support | 2013 |
| EBG Garages Ltd | Households | 2013 |
| EBM Luxury Motors Ltd | Wholesale & retail | 2026 |
| EBO Travel Ltd | Administrative & support | 2025 |
| Eboj Limited | Professional & scientific | 2023 |
| Ebony ST Claire Limited | Wholesale & retail | 2025 |
| Ecclesbourne Apartments (London) RTM Company Limited | Real estate | 2024 |
| Ecclesbourne Management Company Limited | Households | 2006 |
| ECH Holdings Ltd | Health & social care | 2023 |
| Echelon Air Flight Training Ltd | Transport & logistics | 2020 |
| Echo Construction Ltd | Construction | 2018 |
| Echo Legal Automation Limited | Professional & scientific | 2018 |
| Echoes Marine Ltd | Extraterritorial | 2026 |
| Eclectic Roofing Co Limited | Construction | 2012 |
| Eco Clarity Ltd | Water & waste | 2013 |
| Eco Clarity Wastewater Services UK Limited | Water & waste | 2020 |
| Eco Environment Resources UK Limited | Energy | 2009 |
| Eco-Thermal Insulations Ltd | Construction | 2010 |
| Ecopak Holdings Ltd | Administrative & support | 2022 |
| Ecopak International Limited | Administrative & support | 2011 |
| Ecortec Limited | Manufacturing | 2024 |
| Ecosourcepartners Ltd | Wholesale & retail | 2025 |
| Ecosprout Ltd | Wholesale & retail | 2025 |
| Ecotek Plumbing & Heating Ltd | Construction | 2020 |
| Ecowarex International Ltd | Wholesale & retail | 2025 |
| Ecrin Catering Ltd | Hospitality | 2018 |
| Eddie's Dog Shop Ltd | Wholesale & retail | 2021 |
| Eddr Ltd | Real estate | 2025 |
| Eden Electrical Services Ltd | Construction | 2025 |
| Eden International (Holding) Limited | Professional & scientific | 2007 |
| Eden Park Veterinary Centre Limited | Professional & scientific | 2003 |
| Eden Restored Garden Design Limited | Professional & scientific | 2020 |
| Eden Rose Technologies Ltd | Information & communication | 2020 |
| Eden Smile Innovations Ltd | Health & social care | 2016 |
| Edge Infrastructure Limited | Construction | 2019 |
| Edge Tree Care Ltd | Agriculture & fishing | 2025 |
| Edgebrick Ltd | Construction | 2025 |
| Edgena Advisory Limited | Financial services | 2025 |
| Edha Global Limited | Wholesale & retail | 2020 |
| Edidia 07 Limited | Construction | 2007 |
| Edifice Surveyors LLP | | 2010 |
| Edit Your Wedding Ltd | Information & communication | 2021 |
| Edjc Construction Ltd | Construction | 2019 |
| EDM Proservices Ltd | Professional & scientific | 2021 |
| Edmonds-Bell Limited | Administrative & support | 2004 |
| Edon Accountants Limited | Financial services | 2008 |
| Edtech Innovations Group Ltd | Information & communication | 2025 |
| EDU Psychology Services Ltd | Education | 2019 |
| EDUCATE2TRADE Limited | Information & communication | 2016 |
| Education Guide Centre Ltd | Education | 2021 |
| Education Incorporated Ltd. | Education | 2014 |
| Edward Court (Clayponds) Management Company Limited | Households | 1988 |
| Edward James Surveyors Ltd | Professional & scientific | 2012 |
| Edwards Dixon Limited | Wholesale & retail | 2022 |
| Edwards Flooring Limited | Construction | 2007 |
| EEE Consultancy Limited | Information & communication | 2014 |
| Eelavan Foods Ltd | Wholesale & retail | 2024 |
| EES Electrical Engineering Solutions Ltd | Construction | 2025 |
| Eewu Ltd | Information & communication | 2014 |
| Eezeegrip (UK) Ltd | Construction | 2019 |
| Efficiensee Ltd | Administrative & support | 2026 |
| Efficient Heating Ltd | Construction | 2019 |
| Efficient Home Energy Ltd | Construction | 2015 |
| EFS Beckenham Limited | Real estate | 2025 |
| Egleton House (Roehampton) RTM Company Limited | Real estate | 2018 |
| EHD Property Investments Limited | Real estate | 2026 |
| Ehduk Ltd | Wholesale & retail | 2025 |
| EHO Consulting Ltd | Professional & scientific | 2022 |
| Ehome Construction Ltd | Construction | 2024 |
| EIC Design Agency Ltd | Professional & scientific | 2021 |
| EIC Management Services Ltd | Professional & scientific | 2020 |
| EJC Creative Ltd | Arts & recreation | 2024 |
| EK Kebabs Locksbottom Limited | Hospitality | 2025 |
| Ekdanta Ltd | Health & social care | 2022 |
| Ekeneze Technologies Ltd | Information & communication | 2017 |
| Ekta Rajeev C Limited | Wholesale & retail | 2022 |
| EL Jolie Beauty Aesthetic & Laser Clinic Ltd | Other services | 2023 |
| EL Residential Ltd | Real estate | 2024 |
| EL Tempo Ltd | Construction | 2019 |
| Elachi (Hayes) Limited | Hospitality | 2019 |
| Eladeniz Limited | Wholesale & retail | 2025 |
| Eladly Ltd | Health & social care | 2025 |
| Elaine Cleaning Services Ltd | Administrative & support | 2021 |
| Elan Court Ltd | Real estate | 2011 |
| Elanduque Limited | Real estate | 2015 |
| Elastic and Xtreme Sports Limited Limited | Manufacturing | 2024 |
| ELC Soft Limited | Information & communication | 2018 |
| Eldek Property Services Ltd | Real estate | 2024 |