| EMS Tutoring Limited | Education | 2017 |
| EMT Solutions Ltd | Information & communication | 2014 |
| Emtagon Group Ltd | Professional & scientific | 2024 |
| EMU Sales Limited | Wholesale & retail | 2023 |
| Emva Ltd | Other services | 2020 |
| EMW Directors Limited | Professional & scientific | 1998 |
| EMW Education Limited | Education | 2015 |
| EMW Group Limited | Professional & scientific | 1996 |
| EMW Law LLP | | 2004 |
| EMW Leamington Limited | Other services | 2019 |
| EMW Nominees Limited | Professional & scientific | 2002 |
| EMW Secretaries Limited | Professional & scientific | 1998 |
| EMW Stax Ltd | Professional & scientific | 2011 |
| EMW Trust Corporation Limited | Administrative & support | 2023 |
| EMX Global Ltd | Professional & scientific | 2023 |
| Emys Limited | Administrative & support | 2018 |
| Emysess Limited | Professional & scientific | 2015 |
| EN Hacore Ltd | Transport & logistics | 2017 |
| ENA Consultancy Ltd | Other services | 2025 |
| Enable First Care Group Ltd | Health & social care | 2020 |
| Enable Homecare Limited | Health & social care | 2024 |
| Enable Intelligence Limited | Information & communication | 2026 |
| Enablsoft Technologies Limited | Information & communication | 2024 |
| Enasal Limited | Hospitality | 2019 |
| Encasa Botanics Limited | Wholesale & retail | 2020 |
| Encasa Solutions Ltd | Wholesale & retail | 2018 |
| Encase MK Ltd | Wholesale & retail | 2018 |
| Enchanted Matrix 3D Limited | Manufacturing | 2025 |
| Encom Energy Compliance Consultancy Limited | Professional & scientific | 2014 |
| Encombe-Mk Ltd | Information & communication | 2018 |
| Encore MK CIC | Education | 2026 |
| Encube Accounting and Consulting Limited | Real estate | 2015 |
| END2END IT Solutions Limited | Information & communication | 2014 |
| Endarch Ltd | Professional & scientific | 2024 |
| Endean-Mills Communications Ltd | Professional & scientific | 2013 |
| Endeavour Events Limited | Arts & recreation | 2003 |
| Endemics Ltd | Information & communication | 2021 |
| Endleg Entertainment Limited | Information & communication | 2011 |
| Endless Spaces Ltd | Real estate | 2025 |
| Endohealth 24 Management System Ltd | Health & social care | 2024 |
| Endohsyl Properties Limited | Real estate | 2022 |
| Endtoend Consultancy Ltd | Professional & scientific | 2010 |
| Endvest Limited | Real estate | 2021 |
| Enercomtech Solutions Ltd | Information & communication | 2025 |
| Energex Ltd | Wholesale & retail | 2023 |
| Energie Fitness Franchising (UK) Limited | Professional & scientific | 2020 |
| Energie Global Franchising Limited | Professional & scientific | 2020 |
| Energie International Franchising Limited | Professional & scientific | 2023 |
| Energie International Licensing Limited | Professional & scientific | 2012 |
| Energine Limited | Professional & scientific | 2014 |
| Energise Health and Nutrition Ltd | Health & social care | 2018 |
| Energy and Infrastructure Ltd | Financial services | 2010 |
| Energy Auditing Agency Limited | Professional & scientific | 1985 |
| Energy Network Technology Ltd | Wholesale & retail | 2025 |
| Energy One Holdings Limited | Financial services | 2024 |
| Energy One Retrofit Ltd | Construction | 2022 |
| Energy World Residents Association Limited | Households | 1986 |
| Energydomen Ltd | Construction | 2026 |
| Energyz Black Ltd | Other services | 2024 |
| Enesys Ltd | Construction | 2021 |
| Enet Solutions Ltd | Information & communication | 2015 |
| Enferm Medical Holdings Ltd | Financial services | 2020 |
| Enfogen Limited | Information & communication | 2014 |
| Enforcement for YOU Ltd | Administrative & support | 2019 |
| Engage & Reap Consultancy Services Limited | Information & communication | 2019 |
| ENGAGE2ACTION Community Interest Company | Education | 2018 |
| Engagepro Global Limited | Professional & scientific | 2018 |
| Engenius Tuition Ltd | Education | 2023 |
| Engine and Gearbox Specialists Ltd | Wholesale & retail | 2013 |
| ENGINEER42 Ltd | Information & communication | 2024 |
| Engineered Life by Design Ltd | Public administration | 2025 |
| Engineered Sealing Solutions Limited | Water & waste | 2017 |
| Engineering Instinct Ltd | Information & communication | 2025 |
| Engineering Integrity Innovation and Commercial Services Limited | Professional & scientific | 2017 |
| Enginium Technologies Ltd | Information & communication | 2019 |
| English Table Tennis Association Limited | Arts & recreation | 2001 |
| Englishaway Ltd | Administrative & support | 2023 |
| Engrave ME a Gift Ltd | Wholesale & retail | 2018 |
| Enhance Aesthetics LD Limited | Other services | 2021 |
| Enhance HLC Limited | Professional & scientific | 2021 |
| Eni's Construction Ltd | Construction | 2025 |
| Eniclic Ltd | Administrative & support | 2017 |
| Enielexpresslogistics Ltd | Transport & logistics | 2025 |
| Eniferd Limited | Wholesale & retail | 2011 |
| Enigma Accountancy Services Limited | Professional & scientific | 2018 |
| Enigma Centre Management Limited | Households | 2015 |
| Enigma Fitness Limited | Arts & recreation | 2019 |
| Enigma Performance Coaching Limited | Administrative & support | 2020 |
| Enigma Running Limited | Arts & recreation | 2015 |
| Enigma Testing Solutions Ltd | Information & communication | 2019 |
| Eniola&Korede Care Limited | Health & social care | 2026 |
| Eniz Consulting Ltd | Professional & scientific | 2024 |
| Enkay Academy Ltd | Wholesale & retail | 2024 |
| Enkay Solutions Ltd | Information & communication | 2022 |
| Enliteon Limited | Professional & scientific | 2015 |
| Enliven Health Ltd | Health & social care | 2015 |
| Ennismore Holdings London Limited | Real estate | 2022 |
| Ennsel Tech Limited | Information & communication | 2016 |
| Enorth Resourcing Ltd | Information & communication | 2021 |
| Enorth Solutions Ltd | Information & communication | 2026 |