| Eden Health and Wellness Limited | Health & social care | 2014 |
| Edengrove Consulting Limited | Information & communication | 2005 |
| Edgility Properties Ltd | Real estate | 2021 |
| Edgington Spink & Hyne Limited | Professional & scientific | 2012 |
| Edit and Alter Ltd | Professional & scientific | 2020 |
| Edition Digital Limited | Wholesale & retail | 2009 |
| EDL Commercial Limited | Real estate | 2009 |
| Edward Belgrave Limited | Wholesale & retail | 2011 |
| Egal Pads UK Limited | Manufacturing | 2021 |
| Egan Trading Ltd | Construction | 2012 |
| Eggington Capital Limited | Financial services | 2012 |
| Eggington Homes Limited | Real estate | 2021 |
| Eghams Court Corporate Services Limited | Administrative & support | 2001 |
| Eglobus UK Ltd | Professional & scientific | 2017 |
| Egsb Limited | Professional & scientific | 2022 |
| Eightlife Ltd | Wholesale & retail | 2019 |
| EJP Roofing Limited | Construction | 2022 |
| EK Electronics Limited | Professional & scientific | 2016 |
| EL Gacho Ltd | Information & communication | 2011 |
| Elder Digital Marketing Limited | Information & communication | 2018 |
| Elder Professional Limited | Professional & scientific | 1997 |
| Eldon Park Limited | Real estate | 1971 |
| Eleat Recruitment Limited | Administrative & support | 2023 |
| Electric Mirror Limited | Administrative & support | 2009 |
| Electro Ventures Limited | Information & communication | 2020 |
| Elegant Building Co Ltd | Construction | 2025 |
| Elevate Field Marketing Limited | Administrative & support | 2007 |
| Eleven Industries Limited | Professional & scientific | 2013 |
| Elgan Davies Limited | Construction | 2004 |
| Elikem Services Ltd | Health & social care | 2024 |
| Elite Cleaning Contractors Ltd | Administrative & support | 2015 |
| Elite HNW (Marlow) Limited | Wholesale & retail | 2023 |
| Elite HNW Limited | Wholesale & retail | 2021 |
| Elite Investment Management (EIM) Ltd | Construction | 2019 |
| Elite Property Solutions (Middx) Ltd | Construction | 2019 |
| Elivia Development Finance Limited | Construction | 2013 |
| Elivia Homes (Central) Limited | Construction | 2013 |
| Elivia Homes (Dormant 2) Limited | Construction | 2020 |
| Elivia Homes (Grange Road) Limited | Construction | 2020 |
| Elivia Homes (Netley) Limited | Construction | 2020 |
| Elivia Homes (Southern) Limited | Construction | 1992 |
| Elivia Homes (Surbiton) Limited | Construction | 2020 |
| Elivia Homes Limited | Construction | 2004 |
| Elivia North Limited | Construction | 2020 |
| Elivia Oxford Limited | Construction | 2006 |
| Elivia South Limited | Construction | 2015 |
| Elivia Southern Limited | Construction | 2009 |
| Elivia Strategic Developments Land Ltd | Construction | 2024 |
| Elivia Strategic Developments Ltd | Construction | 2025 |
| Elizabeth Court Limited | Professional & scientific | 1989 |
| Elizabeth Court Luton RTM Company Limited | Households | 2018 |
| Ellevara Ltd | Real estate | 2026 |
| Elma Equity Ltd | Financial services | 2022 |
| Elmfield Vehicle Services Limited | Administrative & support | 2026 |
| Elmhurst Projects Ltd | Professional & scientific | 2023 |
| Elmtree Investments Limited | Real estate | 1972 |
| ELO Touch Solutions (UK) Limited | Administrative & support | 2012 |
| Eltal Investments Limited | Administrative & support | 2020 |
| Elwick Place Construction Limited | Construction | 2016 |
| Elysium Finance Limited | Professional & scientific | 2025 |
| Emerald Park Properties Limited | Financial services | 2017 |
| Emhbk Capital Limited | Financial services | 2022 |
| Emhbk Estates Limited | Real estate | 2022 |
| Emhbk Holdings Limited | Financial services | 2022 |
| Emhbk Limited | Professional & scientific | 2020 |
| Emhbk Property Limited | Hospitality | 2021 |
| Emhbk Technologies Limited | Information & communication | 2023 |
| Emmingtons Management Company Limited | Households | 1989 |
| Emmy Pascall Limited | Wholesale & retail | 2016 |
| Empowered Life Planning Ltd | Health & social care | 2023 |
| Emunity Health Ltd | Professional & scientific | 2020 |
| EMV Capital PLC | Administrative & support | 2012 |
| Enamel Capital Limited | Financial services | 2018 |
| Encore Real Time Computing Limited | Information & communication | 1989 |
| Endless Escapes Travel Ltd | Administrative & support | 2026 |
| Endless Group Ltd | Wholesale & retail | 2022 |
| Engineering and Manufacturing Services Limited | Professional & scientific | 1999 |
| Enhance Hosting Automation Ltd | Information & communication | 2019 |
| Envision Accountancy Ltd | Professional & scientific | 2021 |
| Equality NOW | Health & social care | 2003 |
| Equisy Venture Limited | Financial services | 2023 |
| ERA Recruit Ltd | Administrative & support | 2023 |
| Escaping Plan Ltd | Information & communication | 2023 |
| Escheze Ltd | Financial services | 2025 |
| ESKIMO8 Limited | Arts & recreation | 2006 |
| Esquires Franchising (UK) Limited | Professional & scientific | 2014 |
| Esquires HQ (UK) Limited | Professional & scientific | 2014 |
| Esquires Real Estate (UK) Limited | Professional & scientific | 2014 |
| Este Dent Limited | Health & social care | 2015 |
| ET Diagnostics UK Limited | Health & social care | 2024 |
| Etain Inc Ltd | Education | 2022 |
| ETC Shop Limited | Wholesale & retail | 2020 |
| Eton Court Advisers Ltd | Professional & scientific | 2015 |
| Etralo Limited | Financial services | 2026 |
| Ettedo Limited | Real estate | 2018 |
| Euro Defi UK and Ireland Limited | Other services | 1991 |
| Eurobridge Developments Limited | Real estate | 2005 |
| Euroclinics (UK) Limited | Health & social care | 2002 |
| Eurocom Research Limited | Professional & scientific | 1994 |
| Europa House Investments Limited | Real estate | 1978 |