| Erico Entertainment Limited | Hospitality | 2016 |
| Erin Scenic Painting Ltd | Construction | 2026 |
| Erniem Auto Limited | Wholesale & retail | 2024 |
| Erniem PSV Ltd | Wholesale & retail | 2016 |
| Erom (UK) Ltd | Administrative & support | 2014 |
| ERP Advisory Limited | Information & communication | 2023 |
| Eryon Geoscience Limited | Professional & scientific | 2018 |
| ES GS Services Ltd | Other services | 2021 |
| ES Moylan Limited | Arts & recreation | 2009 |
| ESB Formwork Limited | Construction | 2017 |
| Escape Live Liverpool Ltd | Information & communication | 2019 |
| Escape Technology Limited | Wholesale & retail | 2005 |
| Esdigital Games UK Ltd | Arts & recreation | 2013 |
| Esmeralda Meadow Limited | Real estate | 2013 |
| Espiro Ltd | Real estate | 2025 |
| Esportsbiz Ltd | Wholesale & retail | 2019 |
| Espsg Ltd | Administrative & support | 2014 |
| Esrex Limited | Hospitality | 2023 |
| Essell London Limited | Administrative & support | 1996 |
| Essence Auto's Ltd | Wholesale & retail | 2019 |
| Essential Installs Ltd | Other services | 2013 |
| Essex Leisure ( Gants Hill ) Limited | Arts & recreation | 2019 |
| Essex Personnel Recruitment Limited | Administrative & support | 2008 |
| EST Media LRV II LLP | | 2023 |
| Estates and Wills Advisory Group Limited | Professional & scientific | 2022 |
| Etchingham Court Management (Finchley) Limited | Households | 1995 |
| Eternal Growth Limited | Administrative & support | 2017 |
| ETF Liquidity Limited | Financial services | 2014 |
| Ether NDE Limited | Manufacturing | 2009 |
| Ethereal Digital Management Ltd | Professional & scientific | 2024 |
| Eton International Limited | Administrative & support | 2007 |
| Eudaimonia Partners Limited | Financial services | 2025 |
| Eupepsia Ltd | Professional & scientific | 2023 |
| Euro Food (Bricketwood) Ltd | Wholesale & retail | 2025 |
| Europa Properties Ltd | Real estate | 2018 |
| Eurosalamis Enterprises Ltd. | Real estate | 1996 |
| Eursa Major Limited | Professional & scientific | 2021 |
| Euvc Syndicate Limited | Financial services | 2023 |
| EV 1 Carry LLP | | 2022 |
| Evaluametrics Limited | Professional & scientific | 2005 |
| Evanhill Developments Ltd | Real estate | 2020 |
| Evans & Crawley Limited | Professional & scientific | 2026 |
| Evans Carpentry and Handy MAN Services Ltd | Construction | 2022 |
| Evans Rental Homes Ltd | Real estate | 2017 |
| Evase Limited | Information & communication | 2010 |
| Evelyn's Hands Limited | Health & social care | 2024 |
| Event Chip Timing Ltd | Arts & recreation | 2016 |
| Event Maps Global Ltd | Professional & scientific | 2025 |
| Event Noodles Ltd | Hospitality | 2022 |
| Event Trailer Services Ltd | Manufacturing | 2016 |
| Eventpulse Limited | Health & social care | 2025 |
| Events With Style Limited | Hospitality | 2024 |
| Ever After Productions Ltd | Arts & recreation | 2023 |
| Evercare (U.K.) Ltd | Information & communication | 2023 |
| Everton & Parker Ltd | Real estate | 2017 |
| Every K9 Active Ltd | Agriculture & fishing | 2021 |
| Everyday Clean Ltd | Other services | 2015 |
| Everything Pronto Limited | Administrative & support | 2019 |
| Everything Starts With YOU Ltd | Health & social care | 2022 |
| EVI Ltd | Information & communication | 2012 |
| Evisa Group Holdings Ltd | Financial services | 2026 |
| EVR Associates Ltd | Professional & scientific | 2023 |
| Eway Ltd | Manufacturing | 2025 |
| EWE & EWE Ltd | Wholesale & retail | 2020 |
| Ewils Business Holdings Ltd | Financial services | 2020 |
| Exact Events Ltd | Administrative & support | 2012 |
| Exalt Christian Publishing Limited | Information & communication | 2014 |
| Exalt Investing Group Limited | Professional & scientific | 2009 |
| Exalt Management Consulting Limited | Information & communication | 2009 |
| Excelsior Solicitors Limited | Professional & scientific | 2010 |
| Exceptional Ventures Fund 1 LP | | 2022 |
| Exclusive Asset Investments Limited | Real estate | 2022 |
| Executive Chef Services Ltd | Hospitality | 2021 |
| Exeter Labels Ltd | Manufacturing | 2002 |
| Exfi Neoplants II LLP | | 2021 |
| Exfi Okhi LLP | | 2021 |
| Exodus Airsports Ltd | Education | 2007 |
| Exodus Tuition Limited | Arts & recreation | 2018 |
| Experia Financial Management Consulting Limited | Administrative & support | 2005 |
| Exploit Space Limited | Manufacturing | 2011 |
| Explorer Properties Limited | Construction | 2012 |
| Express GAS & Electrical Ltd | Construction | 2009 |
| Express Kitchen Holdings Limited | Financial services | 2025 |
| Express Logistics (Harrow) Ltd | Transport & logistics | 2011 |
| Exquisite Icons Collective Limited | Information & communication | 2017 |
| Extrastaff Holdings Limited | Financial services | 2023 |
| Extrastaff Ltd | Administrative & support | 2000 |
| Extreme Accommodations Ltd | Real estate | 2020 |
| Extreme Binary Ltd | Manufacturing | 2010 |
| Extreme Kutz Unisex Barbers Ltd | Other services | 2018 |
| EXV Starmaker One CIV LLP | | 2024 |
| EXV Starmaker One LP | | 2024 |
| EYE Need Sight Ltd | Health & social care | 2012 |
| Eyes Optical Limited | Wholesale & retail | 2018 |
| Eyevisualise Limited | Extraterritorial | 2013 |
| Eysa Ltd | Construction | 2009 |
| EYZ in the Sky Ltd | Administrative & support | 2025 |
| F K Transport Limited | Transport & logistics | 2014 |
| F Kash Ltd | Professional & scientific | 2018 |
| F&Dd Construction Limited | Construction | 2014 |