| E.S. Enviroserv Limited | Construction | 1997 |
| E.S. Sean House's Ltd | Real estate | 2024 |
| E.S.A Housing Support Ltd | Real estate | 2024 |
| E.S.A Recruitment Services Ltd | Administrative & support | 2024 |
| E.S.C. (Europe) Limited | Wholesale & retail | 2001 |
| E.V. Wood (Anodising) Limited | Manufacturing | 1976 |
| E1 22 Ltd | Real estate | 2022 |
| E12 22 Ltd | Real estate | 2022 |
| E121 Retail Group Limited | Administrative & support | 2010 |
| E15 22 Ltd | Real estate | 2022 |
| E17 Coffee & Desserts Ltd | Hospitality | 2025 |
| E18HTEEN Distillery Ltd. | Manufacturing | 2016 |
| E2 Community Developments CIC | Administrative & support | 2012 |
| E2 Electrical Limited | Construction | 2015 |
| E2 Labs Limited | Information & communication | 2021 |
| E2E Cyber Solutions Ltd | Information & communication | 2018 |
| E2E Designs Limited | Professional & scientific | 2020 |
| E2E Human Resource Consultancy Ltd | Professional & scientific | 2013 |
| E2E Infosys Ltd | Information & communication | 2013 |
| E2E World Ltd | Financial services | 2019 |
| E2EP Consulting Limited | Information & communication | 2023 |
| E2G Ltd | Wholesale & retail | 2020 |
| E2WORKS Ltd | Administrative & support | 2021 |
| E3 Consultancy Kapitals Ltd | Construction | 2019 |
| E30 Limited | Hospitality | 2023 |
| E30S R US Ltd | Wholesale & retail | 2024 |
| E38 Ltd | Transport & logistics | 2013 |
| E39 Ltd | Professional & scientific | 2020 |
| E4K Ltd | Information & communication | 2010 |
| E6 24 Ltd | Real estate | 2025 |
| E6 Real Estate Ltd | Real estate | 2020 |
| E91 Events Specialists Ltd | Other services | 2025 |
| E92 Ltd | Information & communication | 2026 |
| E:Gen App Ltd | Information & communication | 2018 |
| EA (Covdor) Ltd | Construction | 2020 |
| EA Consulting (Midlands) Limited | Professional & scientific | 2013 |
| EA COV2 Ltd | Construction | 2022 |
| EA Estates Holdings Ltd | Construction | 2025 |
| EA FIX Ltd | Construction | 2023 |
| EA Hospitality Ltd | Hospitality | 2023 |
| EA HS2 Trailer Ltd | Hospitality | 2025 |
| EA Immigrations Ltd | Education | 2024 |
| EA Legacy Properties Limited | Construction | 2025 |
| EA Properties WM Ltd | Real estate | 2026 |
| EA79 Limited | Real estate | 2016 |
| Eaads Limited | Real estate | 2017 |
| Eaasi Carbon Limited | Professional & scientific | 2021 |
| EAC Engineering Services Limited | Construction | 2012 |
| EACCOUNTS2006 Ltd | Information & communication | 2025 |
| Eachairn Aerospace Holdings Limited | Professional & scientific | 2000 |
| Eachairn Willenhall PLC | Professional & scientific | 1951 |
| Eachway Dental Practice Limited | Health & social care | 2012 |
| Eachway Practice Limited | Health & social care | 2019 |
| Eaden (Landscape) Ltd | Administrative & support | 2012 |
| EAE Consulting Limited | Health & social care | 2024 |
| Eagle and TUN Limited | Hospitality | 2016 |
| Eagle AV Ltd | Administrative & support | 2023 |
| Eagle Bar Midlands Ltd | Hospitality | 2025 |
| Eagle Electrical & Property Ltd | Real estate | 2023 |
| Eagle Eyes Opticians Limited | Health & social care | 2009 |
| Eagle Focus Limited | Wholesale & retail | 2025 |
| Eagle Food Supplies Limited | Administrative & support | 2013 |
| Eagle Furniture Limited | Wholesale & retail | 2025 |
| Eagle Garden Limited | Wholesale & retail | 2020 |
| Eagle Generators Ltd | Wholesale & retail | 2011 |
| Eagle Guards Limited | Administrative & support | 2005 |
| Eagle Homecare Ltd | Other services | 2013 |
| Eagle Housing Services and Letting CIC | Hospitality | 2014 |
| Eagle Hunter Machinery Ltd | Wholesale & retail | 2025 |
| Eagle Lodge Ltd | Hospitality | 2024 |
| Eagle Management Ltd | Real estate | 2018 |
| Eagle Ottawa UK Ltd | Professional & scientific | 1991 |
| Eagle Platforms Limited | Construction | 2011 |
| Eagle Pro Construction Ltd | Construction | 2021 |
| Eagle Restoration International Ltd | Financial services | 2025 |
| Eagle Security Protection Ltd | Professional & scientific | 2012 |
| Eagle Stream Ltd | Wholesale & retail | 2023 |
| Eagle Supplies Limited | Wholesale & retail | 1984 |
| Eagle Technology Ltd | Information & communication | 2018 |
| Eagle Trans Logistics (UK) Ltd | Transport & logistics | 2019 |
| Eagle Transportation Services Ltd | Transport & logistics | 2022 |
| Eagle View Construction Ltd | Construction | 2025 |
| EAGLE78 Ltd | Transport & logistics | 2023 |
| Eaglebox Ltd | Transport & logistics | 2025 |
| Eaglefy Ltd | Professional & scientific | 2025 |
| Eaglehurst Acquisition Limited | Other services | 2025 |
| Eaglei Telematics Ltd | Information & communication | 2025 |
| Eaglenest Stores Limited | Wholesale & retail | 2025 |
| Eagles & Pigeons Ltd | Extraterritorial | 2024 |
| Eagles Concept Limited | Information & communication | 2025 |
| Eagles Dining Limited | Hospitality | 2016 |
| Eagles Generation Logistics and Procument Ltd | Transport & logistics | 2024 |
| Eagles Wings Ministries Global Ltd | Administrative & support | 2026 |
| Eaglesfield Trophies Limited | Wholesale & retail | 2000 |
| Eaglesford Investments Ltd | Real estate | 2002 |
| Eaglesvale Healthcare Limited | Administrative & support | 2017 |
| Eagleton & Co (Surveyors) Limited | Other services | 2002 |
| Eaglewise Consulting Limited | Professional & scientific | 2025 |
| EAH Ltd | Education | 2025 |
| EAL Martial Arts Ltd | Arts & recreation | 2025 |