| EJJ Consultants Limited | Professional & scientific | 2021 |
| EKA Contracting Ltd | Construction | 2016 |
| EL PSY Kongruu Ltd | Health & social care | 2021 |
| EL REY Rotors Ltd | Professional & scientific | 2023 |
| Elder Farm Herbs Limited | Extraterritorial | 2021 |
| Electric Safe Ltd | Construction | 2025 |
| Electrical Supermarket Limited | Wholesale & retail | 2015 |
| Electroheat GAS and Plumbing Ltd. | Construction | 2025 |
| Elegant Nails Woodham Ltd | Other services | 2017 |
| Element 6 Fireworks Limited | Arts & recreation | 2017 |
| Element Electrics Limited | Construction | 2018 |
| Element Media Direct Limited | Professional & scientific | 2009 |
| Elettro Mechanica Ltd | Professional & scientific | 2024 |
| Elevator Estates Ltd | Real estate | 2022 |
| Elias MED Limited | Wholesale & retail | 2017 |
| Elipe Technical Services Limited | Information & communication | 2026 |
| Eliste Holdings Limited | Financial services | 2019 |
| Elite Edge Management Limited | Construction | 2024 |
| Elite Events & Tourism Ltd | Administrative & support | 2023 |
| Elite Homes Ltd. | Real estate | 1984 |
| Elite Online Ltd | Wholesale & retail | 2026 |
| Elite Products London Limited | Manufacturing | 2020 |
| Elite TMC Ltd | Administrative & support | 2020 |
| Elite Travel Solution Ltd | Transport & logistics | 2025 |
| Elixir Traders Limited | Real estate | 2023 |
| Ella Trade Limited | Wholesale & retail | 2020 |
| Ellas Holdings Ltd | Professional & scientific | 2015 |
| Ellehcim Limited | Professional & scientific | 2024 |
| Ellerby Investments Limited | Real estate | 2017 |
| Elless Limited | Professional & scientific | 2017 |
| Elleve Ltd | Real estate | 2016 |
| Ellie Baker Education Ltd | Education | 2021 |
| Elliott Barton Limited | Administrative & support | 2013 |
| Elliott Spencer Ltd | Transport & logistics | 2026 |
| Ellis Recruitment Holdings Limited | Financial services | 2016 |
| Ellora Accountancy Ltd | Professional & scientific | 2004 |
| Ellora Holdings Ltd | Financial services | 2024 |
| Ellora Ltd | Professional & scientific | 2016 |
| ELM Tree Events Ltd | Hospitality | 2023 |
| Elmgrove Investments Limited | Real estate | 2010 |
| Elms Properties Limited | Real estate | 2026 |
| Eloka Limited | Wholesale & retail | 2020 |
| Eltze Estates Limited | Real estate | 2009 |
| Elva Hydrate Ltd | Wholesale & retail | 2025 |
| Elvicta Ltd | Administrative & support | 2006 |
| ELZ Talent Ltd | Administrative & support | 2025 |
| EM Creative Studios Ltd | Professional & scientific | 2022 |
| Emanuelas Catering Ltd | Hospitality | 2021 |
| Emart Xpress Ltd | Wholesale & retail | 2025 |
| Emerald Events Limited | Administrative & support | 2014 |
| Emi.Hire Ltd | Transport & logistics | 2016 |
| Emile Woolf & Associates Limited | Education | 1975 |
| Emile Woolf (Holdings) Limited | Professional & scientific | 2002 |
| Emile Woolf International Limited | Education | 1990 |
| Emily Pallot Architects Ltd | Professional & scientific | 2025 |
| Emin Painting and Decoration Limited | Construction | 2017 |
| Emjem Ltd | Professional & scientific | 2012 |
| Emma Alington Limited | Manufacturing | 2019 |
| Emma Systems UK Ltd | Information & communication | 2021 |
| Emmafan Limited | Administrative & support | 2000 |
| Emmi Desserts Corby Limited | Manufacturing | 1991 |
| Emmi Desserts Maidenhead Limited | Manufacturing | 1983 |
| Emmi Desserts Taunton Limited | Manufacturing | 1913 |
| Emmi Desserts UK Limited | Manufacturing | 2017 |
| Emneo Ltd | Information & communication | 2023 |
| Empower Bidco Limited | Financial services | 2025 |
| Empower Consulting Solutions Limited | Professional & scientific | 2013 |
| Empower Midco Limited | Financial services | 2025 |
| Empower Padel Limited | Arts & recreation | 2024 |
| Empower Topco Limited | Financial services | 2025 |
| Empstat Ltd | Professional & scientific | 2018 |
| Empwr Events Ltd | Wholesale & retail | 2023 |
| Emra Solutions Limited | Wholesale & retail | 2012 |
| EMT ( UK ) Ltd | Professional & scientific | 2011 |
| Enchanted Forest Wellness Limited | Health & social care | 2019 |
| Encore Capital 18 Limited | Financial services | 2013 |
| Encore Capital Holdings Limited | Professional & scientific | 2024 |
| Encore Capital Limited | Professional & scientific | 2010 |
| Encore Capital Viii Limited | Financial services | 2013 |
| Encore Capital Xvii Limited | Extraterritorial | 2016 |
| Encore Capital Xxii Limited | Professional & scientific | 2017 |
| Encore Capital Xxiii Limited | Extraterritorial | 2019 |
| Encore E F Investment 2 Limited | Extraterritorial | 2016 |
| Encore E F Investment 3 Limited | Extraterritorial | 2018 |
| Encore E F Investment Limited | Financial services | 2015 |
| Encore Private Capital Limited | Professional & scientific | 2010 |
| Encore Private Equity Limited | Professional & scientific | 2010 |
| Ency&Line Ltd | Professional & scientific | 2019 |
| Endeavour 2021 Bidco Limited | Information & communication | 2021 |
| Endeavour 2021 Midco Limited | Information & communication | 2021 |
| Endeavour 2021 Topco Limited | Information & communication | 2021 |
| Endless Creation Ltd | Wholesale & retail | 2024 |
| Endometriosis NOW Limited | Health & social care | 2025 |
| Energy Positive Assets Limited | Construction | 2020 |
| Enexel Ltd | Real estate | 2022 |
| Engage Enterprises Ltd | Professional & scientific | 2022 |
| Engage Watersports Limited | Arts & recreation | 2008 |
| Engen Limited | Real estate | 1991 |
| English Houses Limited | Real estate | 1928 |
| Enjoy a Bite Ltd | Hospitality | 2020 |