| E & G Property Investments Limited | Real estate | 2019 |
| E & H Academy Ltd | Education | 2025 |
| E & P Investments Limited | Other services | 2019 |
| E & P Securities Limited | Other services | 2012 |
| E Autostar Ltd | Administrative & support | 2023 |
| E B Construction Limited | Professional & scientific | 2006 |
| E Block Consulting Limited | Professional & scientific | 2020 |
| E Brittle & Sons Ltd | Wholesale & retail | 2009 |
| E R&R Limited | Wholesale & retail | 2021 |
| E Trading Systems Limited | Information & communication | 2005 |
| E U Constructions Limited | Construction | 2014 |
| E&F Capital Electrical Services Limited | Construction | 2022 |
| E&F Electrical Services Ltd | Construction | 2019 |
| E&N General Services Ltd | Construction | 2024 |
| E&R Drylining Ltd | Construction | 2019 |
| E-Natural Limited | Wholesale & retail | 2011 |
| E. Coomes (Holdings) Limited | Professional & scientific | 1964 |
| E. Coomes (South London) Limited | Arts & recreation | 1969 |
| E.Coomes(Norwood)Limited | Arts & recreation | 1964 |
| E.M.A. Supply Limited | Mining & quarrying | 2017 |
| E.S. Interiors Ltd. | Construction | 2006 |
| E7 Writing Ltd | Other services | 2023 |
| EA Alpha Services Limited | Construction | 2019 |
| EA Energy Certificates Ltd | Real estate | 2008 |
| EA Tyre (Wolverhampton) Ltd | Wholesale & retail | 2023 |
| Eaaza Limited | Hospitality | 2026 |
| Eabha Hvac Limited | Professional & scientific | 2024 |
| Eade Planning Ltd | Other services | 2019 |
| EAG Holding Limited | Financial services | 2017 |
| Eagle Design & Construction Ltd | Construction | 2020 |
| Eagle EYE Consulting Limited | Professional & scientific | 2013 |
| Eagle EYE Photos Limited | Professional & scientific | 2022 |
| Eagle Solutions Provider Ltd | Professional & scientific | 2010 |
| Eaglelane Property Management Limited | Households | 2005 |
| Ealing Park Property Ltd | Real estate | 2026 |
| Ealing Properties Investments Limited | Real estate | 2022 |
| Ealington Limited | Real estate | 2022 |
| Earlsbury Gardens Residents Limited | Households | 2008 |
| Earlsm Limited | Information & communication | 2014 |
| Earlsmead Pension Fund Nominees Limited | Extraterritorial | 1993 |
| Earth Warriors Global Limited | Education | 2020 |
| Earthsound Audio Post Ltd | Information & communication | 2017 |
| Easan Electrical System Ltd | Manufacturing | 2024 |
| East African Community Events Ltd | Arts & recreation | 2017 |
| East Breeze Holding Limited | Real estate | 2020 |
| East Herts Signs & Engraving Limited | Administrative & support | 2005 |
| East Moves West & Co Limited | Wholesale & retail | 2025 |
| East-West Translation, Consultancy and Training Ltd | Information & communication | 2015 |
| EAST2WEST Limited | Information & communication | 1996 |
| Eastdent Ltd | Health & social care | 2016 |
| Easthaus Advisors Limited | Financial services | 2024 |
| Eastop Technology Co., Limited | Wholesale & retail | 2020 |
| Easy 2 Save Ltd | Wholesale & retail | 2010 |
| Easy Afro Mart Limited | Wholesale & retail | 2018 |
| Easy Car Hire Limited | Wholesale & retail | 2018 |
| Easy Flooring Ltd | Construction | 2025 |
| Easy PCO Hire Ltd | Wholesale & retail | 2025 |
| Easyfit Mobile Tire Ltd | Wholesale & retail | 2026 |
| Easylet Management Ltd | Real estate | 2025 |
| Easysells London Ltd | Professional & scientific | 2025 |
| Easywash Limited | Other services | 2002 |
| Eatalco Ltd | Hospitality | 2013 |
| EB Services Limited | Extraterritorial | 2018 |
| Ebay Direct Limited | Wholesale & retail | 2025 |
| EBH Press Limited | Professional & scientific | 2024 |
| Ebisu Capital Limited | Information & communication | 2016 |
| Ebonrate Limited | Professional & scientific | 2000 |
| Ebubeze Limited | Health & social care | 2023 |
| EC Eastcote Limited | Hospitality | 2024 |
| Ecch Limited | Construction | 2026 |
| ECE Capital Ltd | Real estate | 2021 |
| ECE Property Ltd | Real estate | 2024 |
| Ecepheid Limited | Information & communication | 2006 |
| Echelar Systems Limited | Professional & scientific | 2025 |
| Echelon Developments Ltd | Construction | 2026 |
| Echo Systems (UK) Limited | Administrative & support | 2018 |
| Eclipse Restoration Ltd | Construction | 2016 |
| Eco Construction & Properties Limited | Real estate | 2016 |
| Eco Green Hills Ltd | Administrative & support | 2019 |
| Eco Green International Limited | Wholesale & retail | 2010 |
| Eco Swift Heating Limited | Construction | 2014 |
| Eco Village Industries Ltd | Construction | 2022 |
| Ecolibrium Inc. Ltd | Information & communication | 2022 |
| Ecomile Ventures Limited | Health & social care | 2016 |
| Econic Energy Ltd | Construction | 2023 |
| Ecoveeve Ltd | Wholesale & retail | 2024 |
| EDC2 Limited | Wholesale & retail | 2008 |
| Eddsg Ltd | Real estate | 2026 |
| Eden Arms Hotel Ltd | Real estate | 2022 |
| Eden Civil Consulting Limited | Professional & scientific | 2019 |
| Eden Edge Education Ltd | Education | 2025 |
| Eden Farm Retreats Ltd | Hospitality | 2020 |
| Eden Green Ltd | Real estate | 2011 |
| Eden Management Consultancy Limited | Other services | 2009 |
| Edenhall Consultants Limited | Professional & scientific | 2016 |
| Edga Electrical UK Limited | Manufacturing | 2025 |
| Edgar Elias Accountants Ltd | Professional & scientific | 2017 |
| Edgar Merrell Ltd | Professional & scientific | 2000 |
| Edgcare Ltd | Health & social care | 2013 |
| Edgeware Home Improvement Ltd | Construction | 2023 |