| Elite Sales Limited | Wholesale & retail | 2020 |
| Elite Timepieces Ltd | Wholesale & retail | 2025 |
| Elite Transportation Services Ltd | Transport & logistics | 2024 |
| Elitepropertysource Ltd | Administrative & support | 2024 |
| Elites Photography Limited | Professional & scientific | 2024 |
| Elitestone Limited | Construction | 1982 |
| Elixir Oasis Ltd | Manufacturing | 2024 |
| Elizabeth Emma Property Limited | Real estate | 2023 |
| Ell&Co Academy Ltd | Administrative & support | 2025 |
| Ell&Co LUX Studios Ltd | Real estate | 2025 |
| Ellamel Holdings Limited | Real estate | 2015 |
| Elle Property Holdings Limited | Real estate | 2021 |
| Ellevate by Elle Limited | Other services | 2025 |
| Ellis Faull Steel Stockholders & Processors Limited | Extraterritorial | 2003 |
| Ellis Grove Management Company Limited | Households | 2003 |
| Ellis Steel Group Limited | Wholesale & retail | 1970 |
| Ellis Steel Holdings Limited | Wholesale & retail | 2004 |
| Ellis Steel Stockholders Limited | Extraterritorial | 2004 |
| Ellis Weatherley Limited | Households | 2021 |
| Elmald Company Limited | Health & social care | 2021 |
| Elmvia Staffing Solutions Ltd | Administrative & support | 2023 |
| Elsey Property Investments Ltd | Real estate | 2025 |
| Elster Jones Research & Consultancy Limited | Professional & scientific | 2008 |
| Eltham Palace Pictures Limited | Information & communication | 2026 |
| Elysium Motorsport Limited | Arts & recreation | 2018 |
| Elysium Training Club Ltd | Arts & recreation | 2026 |
| Emayad Limited | Hospitality | 2024 |
| Embark Business Services Limited | Professional & scientific | 2017 |
| Embedded Loop Ltd. | Wholesale & retail | 2015 |
| Embedded Media Ltd | Information & communication | 2011 |
| Embroidered Films Ltd | Information & communication | 2022 |
| Emerald Horizon Design Ltd | Construction | 2025 |
| EMG Controls Limited | Administrative & support | 2020 |
| Emily Property Ltd | Real estate | 2025 |
| Emily’S Waffle Town Ltd | Wholesale & retail | 2023 |
| Eminence Solutions Ltd | Information & communication | 2004 |
| Emir Grill Limited | Hospitality | 2019 |
| Emlid Consulting Services Limited | Professional & scientific | 2023 |
| Emma James Developments Ltd | Construction | 2021 |
| Emma Marie Rose Ltd | Real estate | 2018 |
| Emma Pugh Consulting Limited | Professional & scientific | 2020 |
| Emmar Properties Limited | Real estate | 2025 |
| Emment Builders Limited | Construction | 2018 |
| Emms Landscapes and Property Services Limited | Administrative & support | 2021 |
| Emon Diamond Ltd | Hospitality | 2019 |
| Empath Security Limited | Administrative & support | 2019 |
| Empire Flooring Gowerton Ltd | Wholesale & retail | 2024 |
| Empirical Training Limited | Education | 2023 |
| Emporion Research Ltd | Information & communication | 2021 |
| Empower Education Limited | Education | 2018 |
| Empower Support Ltd | Health & social care | 2019 |
| Empower Support Properties Ltd | Real estate | 2026 |
| Empyrean Digital Limited | Professional & scientific | 2017 |
| EMR Developments Ltd | Construction | 2014 |
| En-Gyn Limited | Real estate | 2014 |
| Enable Group Ltd | Health & social care | 2025 |
| Enable Physios Limited | Health & social care | 2019 |
| Enchanted Echoes Ltd | Wholesale & retail | 2025 |
| Enchanted Trio Ltd | Wholesale & retail | 2020 |
| Encom Building Services Ltd | Construction | 2023 |
| Encore Concept Ltd | Administrative & support | 2025 |
| Encore Lettings Ltd | Real estate | 2017 |
| Endigo Ltd | Hospitality | 2023 |
| Endimay Ltd | Professional & scientific | 2025 |
| Endolaserlift Ltd | Other services | 2026 |
| ENDUR3 Ltd | Health & social care | 2023 |
| Enduro Training Wales Ltd | Arts & recreation | 2013 |
| Energist (Holdings) Limited | Professional & scientific | 2012 |
| Energist Limited | Manufacturing | 2003 |
| Energy Assessors (South Wales) Limited | Other services | 2007 |
| Energy Care (Wales) Limited | Construction | 2013 |
| Energy Creative Limited | Professional & scientific | 2017 |
| Energy Panel UK Ltd | Construction | 2020 |
| Energybuild Resources Limited | Administrative & support | 2017 |
| Energysave Ltd | Construction | 2020 |
| Energywise-Wales Limited | Construction | 2012 |
| Enfield Road Management Limited | Households | 2001 |
| Engage and Monetise Limited | Information & communication | 2025 |
| Engineering for the Future Limited | Professional & scientific | 2018 |
| Enhanced Consultancy Ltd | Other services | 2019 |
| Enid Consultancy LLP | | 2022 |
| Enid Development & Consultancy Limited | Professional & scientific | 2023 |
| Enkom Limited | Professional & scientific | 2023 |
| Enlija Limited | Professional & scientific | 2023 |
| ENM Fashion UK Ltd | Wholesale & retail | 2022 |
| Ennill Ltd | Financial services | 2020 |
| Enserv U.K. Limited | Professional & scientific | 2021 |
| Enso Events & Creative Ltd | Arts & recreation | 2020 |
| ENT Services Limited | Health & social care | 2004 |
| Enterblue Limited | Hospitality | 1982 |
| Enterprise City Limited | Real estate | 2019 |
| Enterprise Clothing Company Limited | Wholesale & retail | 2013 |
| Enterprise Direct (Swansea) Limited | Manufacturing | 2018 |
| Enterprise IQ2 Ltd | Information & communication | 2014 |
| Enterprise Metals Limited | Extraterritorial | 1981 |
| Enterprise NDT Ltd | Professional & scientific | 2024 |
| Enterprise Security Management Ltd | Administrative & support | 2025 |
| Enterprise Sheds Ltd | Manufacturing | 2014 |
| Enterprize Pet Supplies Limited | Wholesale & retail | 2005 |
| Entire Construction & Management Limited | Professional & scientific | 2017 |