| Error 66 Limited | London | 2025 |
| ERS Electric Ltd | Horley | 2022 |
| Ersin Unluer Marine Ltd | London | 2025 |
| Erskine Hospital Limited | Bishopton | 1997 |
| Erskine Ltd | Glenfarg | 2017 |
| Erskine Park & Wilton Hill Management Company Limited | Bourne End | 2015 |
| Erskine Products UK Limited | Surrey | 2007 |
| Erskine Whisky Ltd | Glenfarg | 2018 |
| Ersl 08705822 Limited | Swindon | 2013 |
| Ersoz Yachting Limited | London | 2026 |
| Ertass Property Ltd | Luton | 2024 |
| Erudio Customer Management Limited | Manchester | 2013 |
| Erudyte Limited | Boston | 2017 |
| Erva Yachting London Ltd | London | 2025 |
| Ervez Ltd | Ealing | 2024 |
| ES Brunswick Limited | Cookstown | 2010 |
| ES City Square Limited | Cookstown | 2011 |
| ES College Court Limited | Cookstown | 2011 |
| ES DOR 24 Limited | Cookstown | 2024 |
| ES Furnival Square Limited | London | 2015 |
| ES Lancaster Birmingham Limited | London | 2016 |
| ES Little VIC Street Limited | London | 2015 |
| ES Plumbing and Heating Limited | Aylesbury | 2023 |
| ES Properties Limited | Croydon | 2014 |
| ESA & Moosa Ltd | Birmingham | 2023 |
| Esaa Solutions Ltd | Dagenham | 2019 |
| Esaily Co., Ltd | London | 2024 |
| Esam Naji Trading Ltd | Doncaster | 2025 |
| Esar Investments Limited | Cardiff | 1951 |
| Esat Telecommunications (UK) Limited | London | 1996 |
| Esavvy Company Ltd | Enfield | 2018 |
| ESB Management Ltd | Deeside | 2015 |
| Escales Management Ltd | Edinburgh | 2016 |
| Escapade 4X4 Ltd | Swindon | 2022 |
| Escape Beauty Academy Ltd | Neston | 2012 |
| Escape Heroes Ltd | London | 2016 |
| Escape on Holiday Limited | Droitwich Spa | 2015 |
| Escape Plan B Limited | Bolton | 2009 |
| Escape the Village Limited | Chippenham | 2023 |
| Escape to the Cotswolds Limited | Cirencester | 2011 |
| Escape to the Water Ltd | Norwich | 2021 |
| Escar (East Anglia) Ltd | Rickinghall, Diss | 2016 |
| Eschelon Limited | London | 2015 |
| Escoota Limited | Nottingham | 2009 |
| Escooter Limited | Nottingham | 2009 |
| Escot Estate Partnership Limited | Taunton | 2022 |
| Escrow Online Ltd | London | 2021 |
| ESD Group Limited | London | 2015 |
| ESD1 Limited | Ferryhill | 2025 |
| ESF Limited | Liverpool | 2011 |
| ESG Commercial Finance Limited | Chesterfield | 2023 |
| ESG Data Ltd | Oakham | 2021 |
| ESG Equine Ltd | Llangollen | 2024 |
| ESG Law Limited | London | 2023 |
| ESG Reporting Ltd | Oakham | 2021 |
| ESG Reporting Solutions Ltd | Oakham | 2021 |
| ESG Risk Management Ltd | Oakham | 2021 |
| Eshanay Limited | Leicester | 2025 |
| Eshel Chanan Ltd | Welling | 2024 |
| Eshell Chanan Ltd | Welling | 2024 |
| Esher Best K Limited | South Croydon | 2018 |
| Esher Building Services Limited | Guildford | 2013 |
| Esher Holdings Limited | Taunton | 2022 |
| Esher Motor Company Limited | Cuddington | 2002 |
| Eshi Ltd | Bolton | 2021 |
| Eshine International Trading Co., Ltd | Cambridge | 2017 |
| ESI Electrical Ltd | Thornton-Cleveleys | 2024 |
| Esin Science Ltd. | London | 2015 |
| Esipay Limited | London | 2017 |
| ESJ Invest Limited | London | 2007 |
| Esja Investments Limited | Skipton | 2023 |
| Eskan Ltd | Greenford | 2010 |
| Eskdale Investments Northern Limited | Newcastle Upon Tyne | 2024 |
| Eskimo Express Ltd | Woking | 2004 |
| Eskimo Packaging Limited | Woking | 2014 |
| Eskiyapan Yachting Ltd | London | 2024 |
| Esko Invest Limited | London | 2021 |
| Esko Norway Limited | London | 2021 |
| ESL Smart Solutions Limited | Farnham | 2000 |
| Eslov Vard OCH Assistans Limited | London | 2024 |
| Esme Jewellery Limited | Wirral | 2011 |
| Esme YAO Sekyi Limited | London | 2025 |
| Esora London Limited | Diss | 2023 |
| Esoteric Audio Research Limited | Cambridge | 1995 |
| Esouk Limited | Glasgow | 2025 |
| ESP South Wales Limited | Newport | 2025 |
| Espeed Global Ltd | Cambridge | 2014 |
| Espen Clothing Trading Limited | Preston | 2021 |
| Espen Nordby Limited | London | 2021 |
| Esper Controls Limited | London | 2012 |
| Espevoll Transport Invest Limited | London | 2022 |
| Espevoll Transport Limited | London | 2022 |
| Espfa Ltd | Stockport | 2018 |
| Esphera Absence Management Services Limited | Poole | 2013 |
| Esplanade Gardens Property Management Limited | Scarborough | 2005 |
| Esports Betting Ltd | London | 2017 |
| Espresso Machine Services Ltd | Shaftesbury | 2022 |
| Espresso Plus Limited | Leeds | 2002 |
| ESQ 3 Ltd | Brierley Hill | 2009 |
| Esquire Limited | Worthing | 2007 |