| Epic Medlab Ltd | Wholesale & retail | 2026 |
| Epic Motors Ltd | Wholesale & retail | 2024 |
| Epic Wild Limited | Hospitality | 2024 |
| Epicly Ltd | Wholesale & retail | 2022 |
| Epicon Construction Ltd | Construction | 2025 |
| Eplace Limited | Wholesale & retail | 2023 |
| Epos Experts Ltd | Information & communication | 2021 |
| Epos Experts Tech Limited | Information & communication | 2025 |
| Epos Space Ltd | Wholesale & retail | 2020 |
| Epping Developments Limited | Real estate | 2017 |
| Epping Green Developments Ltd | Real estate | 2019 |
| Epping Green Property Limited | Real estate | 2024 |
| Epping Green Trading Ltd | Construction | 2016 |
| Epsilon 24.7 Services Ltd | Health & social care | 2023 |
| Eqensu Electricians Ltd. | Wholesale & retail | 2017 |
| Equal Services (UK) Ltd | Professional & scientific | 2015 |
| Equality in Diversity CIC | Information & communication | 2019 |
| Equality in Diversity International Ltd | Information & communication | 2019 |
| Equality PCN Limited | Health & social care | 2022 |
| Equality Time Ltd | Information & communication | 2014 |
| Equilibrium Accounting Ltd | Transport & logistics | 2019 |
| Equilibrium Corporate Health Limited | Administrative & support | 2012 |
| Equitable Assets Ltd | Real estate | 2022 |
| Equitas Surveying Ltd | Professional & scientific | 2023 |
| ER Tours Limited | Transport & logistics | 2025 |
| ERA Manufacturing Group Ltd | Administrative & support | 2024 |
| ERA Manufacturing Ltd | Manufacturing | 2025 |
| ERA Multinational Ventures Ltd | Other services | 2025 |
| Eragon Consulting Limited | Professional & scientific | 2013 |
| Erapa (U.K.) Limited | Manufacturing | 1974 |
| Erdeny Art Ltd | Wholesale & retail | 2021 |
| Erdrop Ltd | Transport & logistics | 2024 |
| Ereei Ltd | Wholesale & retail | 2026 |
| Erfan Wardak & Co Accountants Ltd | Professional & scientific | 2023 |
| Eric Group Ltd | Construction | 2013 |
| Eric O Invest Ltd | Real estate | 2024 |
| Eric O Management Ltd | Real estate | 2024 |
| Eric Protrans Ltd | Transport & logistics | 2019 |
| Erics Transport Limited | Transport & logistics | 2023 |
| Eriik Daniels Ltd | Professional & scientific | 2014 |
| Erin Drywall Ltd | Construction | 2019 |
| Erina Estate Ltd | Real estate | 2019 |
| Erina Property Limited | Real estate | 2022 |
| Erina Ventures Limited | Real estate | 2020 |
| Erivasadom Ltd | Real estate | 2016 |
| ERJ Properties Limited | Real estate | 2022 |
| Ermis Marine Ltd | Other services | 2019 |
| Ernesto Bisha Ltd | Real estate | 2026 |
| Ersh Technologies Limited | Information & communication | 2012 |
| Ersonn Ltd | Wholesale & retail | 2026 |
| Ertass Property Ltd | Extraterritorial | 2024 |
| Ervy Limited | Information & communication | 2026 |
| ESA Cars Luton Ltd | Transport & logistics | 2025 |
| ESA Consultants Limited | Construction | 2014 |
| ESA Contractor Ltd | Construction | 2026 |
| ESA Trading Luton Ltd | Wholesale & retail | 2025 |
| Esa's Retreat Ltd | Other services | 2020 |
| Esaventures Ltd | Wholesale & retail | 2024 |
| Esb-London Limited | Wholesale & retail | 2018 |
| Escape Aesthetics Ltd | Administrative & support | 2017 |
| Eschatos Ltd | Wholesale & retail | 2024 |
| Esellar Ltd | Wholesale & retail | 2024 |
| Eshopcabin Ltd | Wholesale & retail | 2025 |
| Eskabars Chillgrill Ltd | Hospitality | 2021 |
| Esme Robinson Photography Ltd | Professional & scientific | 2018 |
| Esnap Ltd | Wholesale & retail | 2021 |
| Esol College Ltd | Administrative & support | 2017 |
| ESP Plant Limited | Agriculture & fishing | 2019 |
| Espa-Ray Limited | Wholesale & retail | 2018 |
| Esports Brothers Limited | Wholesale & retail | 2018 |
| Espérer SC Ltd | Wholesale & retail | 2024 |
| Esquare Group Ltd | Transport & logistics | 2022 |
| Esquire Estates Ltd | Real estate | 2016 |
| Esquire Leagrave Ltd | Real estate | 2018 |
| ESS JAY EN Ltd | Administrative & support | 2020 |
| Essarte Ltd | Wholesale & retail | 2022 |
| Essence (UK) Ltd | | 2011 |
| Essential Homes Limited | Construction | 2023 |
| Essential Services Direct Limited | Health & social care | 2021 |
| Essentitas Ltd | Information & communication | 2025 |
| Essex & Suffolk Mediation Services Direct Ltd | Public administration | 2017 |
| Essex Improvemental Limited | Construction | 2018 |
| Essex Roofing and Fascias Ltd | Construction | 2023 |
| Essex Smiles for YOU Limited | Other services | 2020 |
| Essex Smiles Luton Ltd | Other services | 2019 |
| Esskay Autos Ltd | Wholesale & retail | 2024 |
| Essomi Services Ltd. | Health & social care | 2020 |
| Essphoton Limited | Information & communication | 2010 |
| Estate on Go Ltd | Real estate | 2025 |
| Esther David Solutions Ltd | Real estate | 2025 |
| Esthers Cookies Limited | Manufacturing | 2026 |
| Estiva Properties Ltd | Real estate | 2023 |
| ESW Associates Limited | Administrative & support | 2015 |
| ET Constructions Group Ltd | Construction | 2023 |
| ET Travel Luton Ltd | Transport & logistics | 2022 |
| Eterna Developments Ltd | Construction | 2025 |
| Eternal Flooring Solutions Ltd | Construction | 2023 |
| Etesius Limited | Professional & scientific | 2003 |
| Ether Worldwide Ltd | Wholesale & retail | 2012 |
| Etherstaff Ltd | Administrative & support | 2020 |