| Elite Auto Transport Ltd | Transport & logistics | 2025 |
| Elite B2B Events Ltd | Administrative & support | 2022 |
| Elite Beauty Care Limited | Other services | 2000 |
| Elite Event Security Limited | Administrative & support | 2013 |
| Elite Fibre Ltd | Manufacturing | 2021 |
| Elite Fitness (2016) Limited | Arts & recreation | 2017 |
| Elite Park Home Services Ltd | Construction | 2020 |
| Elite Performance Support Limited | Arts & recreation | 2014 |
| Elite Powder Coating and Blasting Ltd | Construction | 2025 |
| Elite Property Care SW Ltd | Real estate | 2026 |
| Elite Scaffold Solutions Ltd | Construction | 2025 |
| Elite Static Security Limited | Administrative & support | 2017 |
| Elite Travel (NPT) Ltd | Transport & logistics | 2019 |
| Elite Windows and Building Solutions Ltd | Construction | 2018 |
| Elitecare Group Ltd | Health & social care | 2025 |
| Elizabeth Court (Bembridge) Management Company Limited | Households | 1983 |
| Elizabeth Memory Property Limited | Real estate | 2018 |
| Elkho Limited | Real estate | 2020 |
| Ella Beth Property Limited | Real estate | 2025 |
| Ellahi Property Holdings Ltd | Real estate | 2025 |
| Ellegran Limited | Health & social care | 2015 |
| Ellen Shore Limited | Wholesale & retail | 2023 |
| Ellen Thacker Financial Services Limited | Financial services | 2023 |
| Ellerton Grange Barns Management Company Limited | Extraterritorial | 2016 |
| Ellie Georgia Aesthetics Limited | Other services | 2024 |
| Ellis Lloyd Jones (Financial Services) Limited | Financial services | 2004 |
| Ellis Lloyd Jones Audit Limited | Professional & scientific | 2020 |
| Ellis Lloyd Jones LLP | | 2006 |
| Ellsdogboutique Ltd | Wholesale & retail | 2025 |
| Ellwood Electrical Wholesalers Limited | Wholesale & retail | 1999 |
| ELM Developments (IW) Ltd | Construction | 2018 |
| Elmbridge Holdings Limited | Financial services | 2026 |
| Elmbridge Propco Limited | Real estate | 2026 |
| Eloixe Private Limited | Wholesale & retail | 2026 |
| Elsie Healthcare Limited | Health & social care | 2024 |
| Elsmore Healthcare Limited | Administrative & support | 2016 |
| Elsmore Holdings Limited | Financial services | 2021 |
| Elsmore Property Limited | Administrative & support | 2021 |
| Elston Communications Ltd | Information & communication | 2022 |
| Eltec Engineering Ltd | Manufacturing | 2012 |
| Elusive Limited | Manufacturing | 2003 |
| ELY Formworks Limited | Construction | 2014 |
| Elysium Melodies Limited | Information & communication | 2024 |
| Elysium Mists Ltd. | Agriculture & fishing | 2023 |
| Elyxion Global Ltd | Professional & scientific | 2026 |
| EM Dash Creative Ltd | Professional & scientific | 2025 |
| Emap Property Development Ltd | Real estate | 2024 |
| EMC Accountants and Financial Services Ltd. | Professional & scientific | 2017 |
| EMC Civil Engineering Ltd | Construction | 2020 |
| EMC Electrical South Wales Ltd | Extraterritorial | 2022 |
| EMC South Wales Ltd | Extraterritorial | 2023 |
| Emerald Construction (IW) Limited | Construction | 1999 |
| Emerald HR Newport Ltd | Administrative & support | 2025 |
| Emerald Plumbing Solutions Ltd | Construction | 2018 |
| Emeralda Ltd | Construction | 1923 |
| Emerging REG Intelligence Limited | Professional & scientific | 2012 |
| Emes Ventilation Limited | Professional & scientific | 2018 |
| EMI Electrical Ltd | Construction | 2022 |
| Emilea Ltd | Real estate | 2019 |
| EML Health Ltd | Health & social care | 2016 |
| Emma Bevan Equestrian Limited | Agriculture & fishing | 2023 |
| Emma Braham Designs Ltd | Professional & scientific | 2021 |
| Emma Johnson Photography Limited | Professional & scientific | 2018 |
| Emma's Groomers CYF | Other services | 2025 |
| Emmas Otters Limited | Education | 2022 |
| Emmscheescakes CYF | Wholesale & retail | 2025 |
| Emphile Engineering Services Limited | Manufacturing | 2025 |
| Empiire Ltd | Information & communication | 2026 |
| Empire Builders (IOW) Limited | Administrative & support | 2021 |
| Empire Khan Ltd | Manufacturing | 2023 |
| Empire Xzan Ltd | Wholesale & retail | 2023 |
| Empower Mentoring Ltd | Education | 2024 |
| Empower Relocation Ltd | Other services | 2022 |
| Empress Storage Limited | Administrative & support | 2025 |
| Emror Ltd | Professional & scientific | 2005 |
| EN EM Trading Ltd | Wholesale & retail | 2015 |
| Enchanted Willows Limited | Education | 2025 |
| Enclave Networks Limited | Information & communication | 2012 |
| Endrasco UK Designs Limited | Wholesale & retail | 2009 |
| Endurance Logistics Ltd | Transport & logistics | 2022 |
| Endurance Ports Limited | Real estate | 2025 |
| Energy Consult Organisation Ltd | Construction | 2025 |
| Energy Consultancy Services Limited | Administrative & support | 2005 |
| Energy Cost Savers Limited | Professional & scientific | 2025 |
| Energy Made Easy Ltd | Professional & scientific | 2024 |
| Enersys Holdings UK Ltd | Manufacturing | 2002 |
| Enersys Ltd. | Manufacturing | 1962 |
| Enfield Court Management Limited | Households | 1971 |
| Enfys Care and Support CIC | Health & social care | 2026 |
| Enfys Care Limited | Health & social care | 2024 |
| Enfys Properties Limited | Real estate | 2024 |
| Engaging Training Limited | Education | 2012 |
| Engine Fashion Ltd | Wholesale & retail | 2025 |
| Engineered Horizon Solutions Ltd | Professional & scientific | 2025 |
| Enginuity South Wales Limited | Manufacturing | 2012 |
| English Haydn Festival | Arts & recreation | 1992 |
| ENH Enterprises Limited | Real estate | 2019 |
| Enjovia Limited | Information & communication | 2013 |
| Enjoy the Moment Ltd | Extraterritorial | 2019 |
| Enlightened Dental Services Limited | Health & social care | 2024 |