| Ebdesignagency Ltd | Professional & scientific | 2021 |
| Ebenezer Asset Management Limited | Real estate | 2023 |
| EBN Care Services Ltd | Health & social care | 2024 |
| EBN Property Services Ltd | Real estate | 2026 |
| Ebonyi Women Alliance in Diaspora UK Ltd | Public administration | 2018 |
| Ebsworth Brickwork Limited | Extraterritorial | 2009 |
| Echelon 1 Recruitment Ltd | Administrative & support | 2020 |
| ECL Building Services Limited | Construction | 2019 |
| Eclipse Smart Repairs Ltd | Wholesale & retail | 2025 |
| Eclipse Sports Therapy Limited | Extraterritorial | 2014 |
| Ecliptic Libra Consulting Limited | Financial services | 2025 |
| Eco Facades Limited | Construction | 2009 |
| Eco Homes Centre Ltd | Construction | 2019 |
| Ecom Solution Services Limited | Wholesale & retail | 2016 |
| Ecomicro Care Services Ltd | Health & social care | 2017 |
| Econoprint (U.K.) Limited | Wholesale & retail | 1981 |
| Ecoway Services Ltd | Administrative & support | 2025 |
| ECS Rail Limited | Transport & logistics | 2013 |
| ED Treatment Solutions Ltd | Health & social care | 2024 |
| EDB Catering Limited | Hospitality | 2024 |
| Eden Health Care Services (UK) Limited | Health & social care | 2007 |
| Edens of London Ltd | Transport & logistics | 2012 |
| Edie Lush Ltd | Professional & scientific | 2017 |
| Edward Parsley Holdings Ltd | Financial services | 2018 |
| Edward Waike-Pawsey Ltd | Real estate | 2026 |
| Edward Walker Carpets Limited | Construction | 2011 |
| Effective Edge Ventures Limited | Information & communication | 2014 |
| Efficient Express Limited | Transport & logistics | 2025 |
| EFH Consulting Limited | Professional & scientific | 2011 |
| EFK Sports Ltd | Manufacturing | 2024 |
| Eintac Limited | Wholesale & retail | 2019 |
| Eipsys Limited | Information & communication | 2010 |
| EJ Therapy Injury Rehab Ltd | Other services | 2025 |
| EJD Recruitment Ltd | Administrative & support | 2019 |
| EJH First AID Training Limited | Other services | 2023 |
| EJL Installations Limited | Construction | 2022 |
| Ekelya UK Ltd | Hospitality | 2023 |
| Ekin German UK Ltd | Hospitality | 2024 |
| Ekmel Limited | Hospitality | 2026 |
| Elan Furnishers Limited | Manufacturing | 2007 |
| Elda Building Services Ltd | Construction | 2017 |
| Elebeareyewear Ltd | Wholesale & retail | 2026 |
| Electra Controls Ltd | Construction | 2002 |
| Electric Vehicle Points Ltd | Construction | 2018 |
| Electrical Technical Solutions Limited | Construction | 2006 |
| Electrotazz Limited | Construction | 2013 |
| Elements Angling Solutions Limited | Other services | 2008 |
| ELEV8 Climbing Ltd | Arts & recreation | 2025 |
| Elevate Talent Insights Ltd | Professional & scientific | 2024 |
| Elisha Beauty Practitioner Ltd | Other services | 2020 |
| Elite Cabinetry Limited | Extraterritorial | 2013 |
| Elite Commercial Ltd | Administrative & support | 2018 |
| Elite Enhancements Limited | Health & social care | 2015 |
| Elite Fight Academy Ltd | Arts & recreation | 2024 |
| Elite French Polishing Limited | Manufacturing | 2021 |
| Elite Landscape Consultancy Ltd | Professional & scientific | 2026 |
| Elite Motion Sports CIC | Education | 2025 |
| Elite Partnership Limited | Administrative & support | 2014 |
| Elizabeth MAE Consulting Ltd | Professional & scientific | 2012 |
| ELK Property Limited | Real estate | 2015 |
| Ellett Roofline Limited | Construction | 2012 |
| Ellis Landscapes Essex Ltd | Construction | 2022 |
| Ellis Robertson Media Limited | Administrative & support | 2009 |
| Ellis Smith Pharmacy Limited | Wholesale & retail | 2017 |
| ELM Walk Residents Company Limited | Households | 1994 |
| Elmbeck Commercials Ltd | Wholesale & retail | 2025 |
| Elmbeck LLP | | 2011 |
| Elms Farm Services Ltd | Agriculture & fishing | 2018 |
| Elms Farm Stables Limited | Real estate | 2016 |
| Elsenham Estate Management Company Limited | Real estate | 2022 |
| Eltech Roofing & Cladding Limited | Construction | 2018 |
| Eltime Limited | Manufacturing | 1979 |
| Elward Holdings Ltd | Financial services | 2012 |
| Emab Limited | Construction | 2022 |
| Email Grow Ltd | Wholesale & retail | 2024 |
| Emerald New Homes Limited | Construction | 2007 |
| Emerge Aviation Limited | Professional & scientific | 2012 |
| Emerge Group Ltd | Financial services | 2017 |
| Emerge Property Limited | Construction | 2016 |
| EMJ Consulting Limited | Professional & scientific | 2006 |
| Emma Farrarons Limited | Arts & recreation | 2015 |
| Emmie Hair Limited | Other services | 2023 |
| Emmm Investment Company | Financial services | 2019 |
| Emmun Limited | Health & social care | 2018 |
| Empire Event Management Limited | Administrative & support | 2022 |
| Employee Relations and Recruitment Solutions Limited | Administrative & support | 2024 |
| EMY Driving Ltd | Wholesale & retail | 2017 |
| EN Masse Limited | Manufacturing | 2003 |
| Enableinclusion CIC | Education | 2025 |
| Enablesend Ltd | Information & communication | 2024 |
| Encor Design Ltd | Wholesale & retail | 2025 |
| Endurvinna Ltd. | Wholesale & retail | 2012 |
| Ener MEC Ltd | Other services | 2024 |
| Enfield Foundry Company Limited(The) | Extraterritorial | 1977 |
| Engineering.Investments Ltd | Financial services | 2025 |
| Enhance EHC Ltd | Administrative & support | 2008 |
| Enhanced Performance Ltd | Other services | 2025 |
| Enigma Event Ltd | Hospitality | 2024 |
| Ennesse (International) Limited | Wholesale & retail | 1997 |
| Enova Homes Limited | Health & social care | 2025 |