| Eridge Park Venison Limited | Agriculture & fishing | 2010 |
| Eridge Venison Ltd | Wholesale & retail | 2025 |
| Erigo Structural Engineers Limited | Professional & scientific | 2022 |
| Erlo Ltd | Transport & logistics | 2024 |
| ERN Financial Ltd | Professional & scientific | 2024 |
| Ernest Worsley Publishing Limited | Information & communication | 2014 |
| ERP System Consulting Ltd | Information & communication | 2018 |
| Ervo Waste Management Ltd | Water & waste | 2025 |
| ES Fishbar Ltd | Hospitality | 2026 |
| ES IT Consultancy Ltd | Information & communication | 2024 |
| ESE Property Ltd | Real estate | 2025 |
| ESJ Business Services Limited | Professional & scientific | 2012 |
| ESJ Financial Planning LLP | | 2012 |
| Esprit Building Solutions Limited | Construction | 2014 |
| ESS Consulting Ltd | Professional & scientific | 2024 |
| Essence and Order Ltd | Manufacturing | 2026 |
| Essenhouse Limited | Construction | 2026 |
| Essential Bodycare Limited | Wholesale & retail | 2002 |
| Essential Land (Sittingbourne NO.5) Limited | Construction | 2012 |
| Essential Land LLP | | 2008 |
| Essex Surgery Limited | Health & social care | 2010 |
| Estel Psychology Ltd | Professional & scientific | 2024 |
| Estellex Ltd | Real estate | 2024 |
| Estep Consulting Limited | Professional & scientific | 2015 |
| Estgro Limited | Information & communication | 2022 |
| Esther Rose Interpreting Ltd | Professional & scientific | 2009 |
| ET Digital Ltd | Professional & scientific | 2024 |
| Ethico Properties Limited | Real estate | 2005 |
| ETS 2012 Limited | Wholesale & retail | 2012 |
| Eulersoft Ltd | Information & communication | 2022 |
| Eureka Event Hire Limited | Administrative & support | 2025 |
| Euro Events London Limited | Administrative & support | 2010 |
| Euro Food Camden Ltd | Wholesale & retail | 2025 |
| Eurogroup Consulting London Limited | Professional & scientific | 2015 |
| European Alliance for Access to Safe Medicines Community Interest Company | Information & communication | 2007 |
| European Quality Assurance Services Limited | Professional & scientific | 1993 |
| European Sales and Marketing UK Ltd | Other services | 2009 |
| Eutopia Exeter 4 Limited | Construction | 2022 |
| Eutopia Exeter Arches Limited | Construction | 2024 |
| Eutopia Exeter Gateway Limited | Construction | 2021 |
| Eutopia Homes (Exmouth) Limited | Construction | 2019 |
| Eutopia Homes (GL) Limited | Construction | 2023 |
| Eutopia Homes Limited | Construction | 2017 |
| Eutopia Investments 2 Limited | Construction | 2020 |
| Eutopia Investments 3 Limited | Construction | 2020 |
| Eutopia Investments Exeter Limited | Construction | 2022 |
| Eutopia Investments GL Limited | Construction | 2023 |
| Eutopia Investments Kent Limited | Construction | 2022 |
| Eutopia-World CIC | Health & social care | 2020 |
| Evans Rentals Limited | Real estate | 2021 |
| EVE Cast Stone Limited | Construction | 2018 |
| Evelyn Court Management Company Limited | Households | 1991 |
| Event Travel Limited | Administrative & support | 1994 |
| Eventism Ltd | Administrative & support | 2019 |
| Ever Home Care Ltd | Health & social care | 2026 |
| Evergreen & Co Management Ltd | Professional & scientific | 2025 |
| Evergreen Commercial Ltd | Real estate | 2023 |
| Evergreen Textiles Ltd | Wholesale & retail | 2024 |
| Everleigh Property Management Company Limited | Households | 1985 |
| Everline Merchant Ltd | Wholesale & retail | 2025 |
| Everyday Brew Co Ltd | Wholesale & retail | 2025 |
| Everynet Solutions Limited | Information & communication | 2015 |
| Everything About YOU Ltd | Wholesale & retail | 2020 |
| Evex Limited | Information & communication | 2017 |
| Evgm Psychiatry Limited | Health & social care | 2023 |
| Evill Designs Ltd | Information & communication | 2023 |
| Evolution Umbrella Limited | Administrative & support | 2016 |
| Evolve Construction Design & Project Management Limited | Construction | 2012 |
| Evolvely Ltd | Professional & scientific | 2018 |
| Evolvo Ltd | Information & communication | 2013 |
| Evregen Ltd | Professional & scientific | 2024 |
| Evrex Shipping Services Limited | Administrative & support | 1980 |
| Evsen Limited | Wholesale & retail | 2018 |
| EWC Asset Management Limited | Wholesale & retail | 2004 |
| EX Arca Cogitandi Ltd | Professional & scientific | 2023 |
| Excel Build & Fence Limited | Construction | 2004 |
| Excel Building Services (Kent) Limited | Construction | 2015 |
| Excel Cooling Service and Maintenance Limited | Construction | 2013 |
| Excel Group (South) Ltd | Professional & scientific | 2023 |
| Excel Project Services Holdings Ltd | Professional & scientific | 2026 |
| Excel Project Services Ltd | Construction | 2021 |
| Excelsior Residential Property II Ltd | Real estate | 2024 |
| Execetas Limited | Professional & scientific | 2016 |
| Executive VA Limited | Administrative & support | 2021 |
| Exhibitor Club Ltd | Administrative & support | 2019 |
| Exos-Systems (UK) Limited | Information & communication | 2026 |
| Expat Navigator Ltd | Professional & scientific | 2021 |
| Experiential Services Limited | Information & communication | 2025 |
| EXPERTS2CLEAN Ltd | Administrative & support | 2024 |
| Explorer IT Limited | Information & communication | 1997 |
| Express GOV Limited | Information & communication | 2014 |
| Express Tax Claims Limited | Professional & scientific | 2013 |
| Extra Business Limited | Administrative & support | 2006 |
| Extra Clean TW Ltd | Administrative & support | 2017 |
| EYE Concern Limited | Health & social care | 2018 |
| Eyesoncontent Ltd | Professional & scientific | 2022 |
| Eyles Construction Limited | Construction | 1995 |
| Eynsford Property Investments Limited | Construction | 2021 |
| Eyreact Ltd | Information & communication | 2025 |
| Ezofficesystems Limited | Information & communication | 2003 |