| Enerone Holding Ltd | Financial services | 2024 |
| Englishamerican-Investments.Co.Uk Limited | Hospitality | 2018 |
| Enhanced Engineering Limited | Professional & scientific | 2020 |
| Enlighten Education Ltd | Education | 2011 |
| Enplane Limited | Administrative & support | 2019 |
| Enriched Properties Limited | Real estate | 2013 |
| Entasia Limited | | 1991 |
| Entech Global Ltd | Information & communication | 2024 |
| Enter House Construction Ltd | Construction | 2025 |
| Entertainment World Ltd | Arts & recreation | 2015 |
| Enthalpy Group Limited | Energy | 2021 |
| Entk Catering Services & Event Management Ltd | Hospitality | 2008 |
| Enviromap Services Ltd | Professional & scientific | 2020 |
| Environ Facades Limited | Construction | 2018 |
| Environmental Wastewater Solutions Ltd | Water & waste | 2019 |
| Enzo Fortis Group Ltd | Financial services | 2024 |
| EP Educational Consultancy Limited | Education | 2013 |
| Epassociate Ltd | Real estate | 2025 |
| EPC Assure Limited | Professional & scientific | 2009 |
| Epccomm Limited | Professional & scientific | 2025 |
| Epictale Media Limited | Professional & scientific | 2024 |
| Epitude Consultants Ltd | Professional & scientific | 2013 |
| Epriordan Ltd | Professional & scientific | 2016 |
| Epro Solutions Ltd | Administrative & support | 2021 |
| Epson Finance Limited | Financial services | 2021 |
| EQ Mobile Solutions Limited | Wholesale & retail | 2025 |
| Equal Partners App Ltd | Information & communication | 2022 |
| Equanimity Health Limited | Professional & scientific | 2025 |
| Equinox Investment Properties Limited | Real estate | 2006 |
| Equity on TAP Limited | Financial services | 2024 |
| Erdal Properties Limited | Real estate | 1964 |
| Ergo Living Ltd | Wholesale & retail | 2024 |
| Eric Ogley Consulting Limited | Professional & scientific | 2017 |
| Erica W Tonks Ltd | Real estate | 2024 |
| Erik Construction Ltd | Construction | 2008 |
| Erinastar Limited | Other services | 1976 |
| ERP Technology Ltd | Information & communication | 2021 |
| Erskine Properties (London) Limited | Real estate | 2023 |
| Eruna Technologies UK Ltd | Information & communication | 2021 |
| ES Jewellers LDN Ltd | Wholesale & retail | 2025 |
| Escd Limited | Professional & scientific | 2024 |
| Esco Property Ltd | Real estate | 2016 |
| Escol Limited | Wholesale & retail | 2017 |
| Escu Vibes House Ltd | Construction | 2026 |
| Esden Limited | Wholesale & retail | 2013 |
| ESH Logistics Limited | Transport & logistics | 2024 |
| Eshant Home Services Ltd | Real estate | 2020 |
| Esio Property Refurbishment Ltd | Construction | 2025 |
| Eskayem Ltd | Health & social care | 2017 |
| Esmart Professionals Ltd | Administrative & support | 2015 |
| Esmh Consultancy Limited | Information & communication | 2017 |
| ESO Tiling Ltd | Construction | 2019 |
| ESS ESS Consulting Limited | Professional & scientific | 2015 |
| ESS Tuning Ltd | Wholesale & retail | 2011 |
| Essel Acoustics Limited | Professional & scientific | 2017 |
| Essex Grocery and Meat Limited | Wholesale & retail | 2024 |
| Essex HUT Pizza Ltd | Hospitality | 2024 |
| EST2020.SOLUTIONS. Ltd | Wholesale & retail | 2020 |
| Estates Interlink Limited | Real estate | 2016 |
| Esthetic Clinique Ltd | Health & social care | 2024 |
| Estia Renovations Ltd | Real estate | 2022 |
| Estmanco (Watling Avenue) Freehold Limited | Extraterritorial | 2005 |
| Estmanco (Watling Avenue) Limited | Households | 1980 |
| Etamad Ltd | Wholesale & retail | 2025 |
| Eteam Sisman Properties Ltd | Real estate | 2017 |
| Eternal Design and Build Ltd | Construction | 2019 |
| Eternal Echo Productions C.I.C. | Education | 2026 |
| Ethica Property Ltd | Real estate | 2016 |
| Ethical Communications Ltd | Professional & scientific | 2002 |
| Ethics Eyecare Limited | Wholesale & retail | 2008 |
| Ethiopian Coffee Stores Ltd | Wholesale & retail | 2018 |
| Ethos Collective Ltd | Arts & recreation | 2021 |
| Ethos Health International Ltd | Health & social care | 2025 |
| Etjaba Ltd | Real estate | 2020 |
| Euforyc Limited | Wholesale & retail | 2025 |
| Euforyc Studios Ltd | Arts & recreation | 2025 |
| Eugen Logistics Ltd | Transport & logistics | 2023 |
| Eulanka Limited | Real estate | 2011 |
| Euro Food & Wine 219 Ltd | Wholesale & retail | 2016 |
| Euro Property Developments Ltd | Construction | 2006 |
| Euroasia Supply Ltd | Wholesale & retail | 2020 |
| Euronox Limited | Transport & logistics | 2006 |
| Europa Associates (UK) Ltd. | Construction | 1997 |
| Europa Trading Ltd | Wholesale & retail | 2003 |
| Eurowide Properties Limited | Real estate | 1987 |
| EV Charge Home Ltd | Professional & scientific | 2020 |
| Evangel Ltd | Information & communication | 2019 |
| Evans Design Consultancy 2010 Limited | Professional & scientific | 2022 |
| Evans Piling Limited | Wholesale & retail | 2010 |
| EVB Groundwork’S Ltd | Construction | 2016 |
| Evenimente Caritabile CIC | Administrative & support | 2025 |
| Event SET Services Limited | Arts & recreation | 2016 |
| Eventsmoon Limited | Professional & scientific | 2025 |
| Eventup Limited | Hospitality | 2023 |
| Eventura Catering Ltd | Hospitality | 2025 |
| Ever COD Limited | Hospitality | 2026 |
| Evercrest Commerce Ltd | Wholesale & retail | 2025 |
| Everest GAS and Building Ltd | Construction | 2024 |
| Evergreen International Enterprises (UK) Ltd | Transport & logistics | 2015 |
| Evergreen Property Care Limited | Construction | 2024 |