| Ember & Bloom Collective Ltd | Professional & scientific | 2025 |
| Embermere Limited | Other services | 1981 |
| Emberstore Ltd | Wholesale & retail | 2024 |
| Embrace Communication Limited | Professional & scientific | 2023 |
| EMG Labs Limited | Information & communication | 2026 |
| EMI Venture Capital Ltd | Financial services | 2014 |
| Emily CAN Ltd | Wholesale & retail | 2023 |
| Emma Banks Limited | Professional & scientific | 2009 |
| Emma Jealouse Ltd | Manufacturing | 2021 |
| Emma Wedgwood Aesthetics Limited | Health & social care | 2020 |
| Emmelar Ltd | Professional & scientific | 2025 |
| Empanadas & Croquetas Limited | Wholesale & retail | 2023 |
| Employee Feedback Limited | Professional & scientific | 2007 |
| EMS Immigration Pathways Ltd | Professional & scientific | 2025 |
| EN Garde Leadership Limited | Professional & scientific | 2015 |
| Endeavor Enterprises Limited | Wholesale & retail | 2016 |
| Endless Summer Events Limited | Administrative & support | 2012 |
| Enduro Bakar Adventure Limited | Administrative & support | 2014 |
| Energy Academy Ltd | Other services | 2017 |
| Energy Equity Resources (Norway) Limited | Mining & quarrying | 2004 |
| Enertechnos Holdings Limited | Professional & scientific | 2014 |
| Enertechnos Limited | Professional & scientific | 2014 |
| Engexis Holdings Ltd | Extraterritorial | 2026 |
| Engexis Ltd | Professional & scientific | 2026 |
| Engine Inc Limited | Administrative & support | 2016 |
| Engine Search Limited | | 2011 |
| Engineeriq Limited | Professional & scientific | 2020 |
| English Cafe Inc Limited | Professional & scientific | 2024 |
| Enhance & Reach Ltd | Professional & scientific | 2015 |
| Enhanceable Trustee Company Limited | Health & social care | 2012 |
| Enlightened Soil UK Limited | Financial services | 2024 |
| Enowa Britannia Limited | Professional & scientific | 2019 |
| Entangled Mind Ltd | Information & communication | 2026 |
| Enunciation Limited | Information & communication | 2024 |
| ENV Interiors Ltd | Construction | 2001 |
| Envi Media Ltd | Administrative & support | 2024 |
| Envigo Limited | Information & communication | 2007 |
| Enviroquest GPT Limited | Manufacturing | 1973 |
| Enviroquest Research Limited | Manufacturing | 1984 |
| Enyo Digital Ltd | Information & communication | 2018 |
| Epic Things Ltd | Real estate | 2020 |
| Episode 52 Ltd | Information & communication | 2025 |
| EPO (GB) Ltd | Other services | 2014 |
| EQ Product Group Limited | Information & communication | 2022 |
| EQP Services Ltd | Manufacturing | 2014 |
| Equal Justice Limited | Professional & scientific | 2005 |
| Equidat Limited | Information & communication | 2014 |
| Equita Community Living - Camlett House Ltd | Health & social care | 2024 |
| Equitas Medicolegal Ltd. | Professional & scientific | 2026 |
| Equity Professional Limited | Professional & scientific | 2008 |
| Erdem Ltd | Hospitality | 2013 |
| Erith DA8 Ltd | Construction | 2018 |
| Eryd E-Bikes Ltd | Wholesale & retail | 2025 |
| Es-Ko (UK) Limited | Hospitality | 1998 |
| ESA Trading Group Ltd | Wholesale & retail | 2026 |
| Esher Cars Limited | Transport & logistics | 2025 |
| Esher House Ltd | Real estate | 2025 |
| Esher RFC Professional Limited | Arts & recreation | 2008 |
| Esoftsync Ltd | Professional & scientific | 2024 |
| Espire Production Limited | Information & communication | 2009 |
| Esquina Brasil Ltd | Hospitality | 2024 |
| ESR Investment Limited | Professional & scientific | 2014 |
| ESR Property & Design Ltd | Real estate | 2025 |
| Essarock Ltd. | Construction | 2022 |
| Essential Care Organics Holdings Limited | Manufacturing | 2016 |
| Esser Associates Limited | Professional & scientific | 2005 |
| Esser Property Services Limited | Real estate | 2019 |
| Essex Heart and Lung Surgery Limited | Health & social care | 2011 |
| EST Roofing Ltd | Construction | 2020 |
| Estate and Agent Limited | Real estate | 2017 |
| Estmanco (Dean Court) Limited | Households | 1979 |
| Estornino Fishing Limited | Mining & quarrying | 1992 |
| Eternal Faith Ministry | Education | 2011 |
| Etesian FCO Ltd | Administrative & support | 2022 |
| Etesian Trustees Ltd | Administrative & support | 2022 |
| Ethix Management Limited | Professional & scientific | 1998 |
| Ethix Production Services Limited | Professional & scientific | 2012 |
| Etienne Hair Shop Limited | Other services | 1984 |
| Etonia Limited | Real estate | 2019 |
| ETS Design Limited | Manufacturing | 2002 |
| Eulaliasieras Limited | Health & social care | 2021 |
| Eurasian Broadcasting Enterprise Limited | Information & communication | 2011 |
| Eurocle Limited | Information & communication | 2002 |
| Eurojobsites Limited | Professional & scientific | 2003 |
| Euromax Resources (Bulgaria) UK Limited | Mining & quarrying | 2013 |
| Euromax Resources (Macedonia) UK Limited | Mining & quarrying | 2012 |
| Euromax Resources Limited | Mining & quarrying | 2012 |
| Euromax Resources UK (Services) Limited | Mining & quarrying | 2012 |
| European Engineering & Consultancy Limited | Professional & scientific | 2016 |
| European Paper Sales Limited | Real estate | 1961 |
| Eurova IT Consulting Ltd | Information & communication | 2026 |
| EVE Gardens Limited | Households | 2018 |
| Event Resources Limited | Administrative & support | 2006 |
| Eventtx Ltd | Arts & recreation | 2026 |
| Everybody Thrive Ltd | Public administration | 2022 |
| Everywhere Woman UK Limited | Administrative & support | 2021 |
| Evince Services Limited | Information & communication | 2014 |
| Evio Systems & Solutions Ltd | Health & social care | 2017 |
| EVJ Digital Ltd | Information & communication | 2026 |
| EVO Design Ltd | Construction | 2025 |