| E a Fuller Limited | Other services | 1996 |
| E a M Design Limited | Information & communication | 1997 |
| E a Property Limited | Real estate | 1999 |
| E C & G Limited | Construction | 2012 |
| E C Bedford Ltd | Construction | 2021 |
| E Green Advocacy & Independent Consultancy Limited | Administrative & support | 2019 |
| E Home Mate UK Limited | Wholesale & retail | 2026 |
| E J Wood Property Maintenance Limited | Construction | 2008 |
| E L H Limited | Education | 2000 |
| E O Associates Limited | Information & communication | 1990 |
| E Source World Limited | Wholesale & retail | 2026 |
| E Transport Solutions Limited | Transport & logistics | 2010 |
| E Winery Ltd | Wholesale & retail | 2024 |
| E&Er Projects Ltd | Professional & scientific | 2018 |
| E&I Legal and Languages Limited | Professional & scientific | 2022 |
| E&L Hospitality Ltd | Hospitality | 2021 |
| E&S Enterprise Ltd | Hospitality | 2025 |
| E&S Global Ltd | Wholesale & retail | 2026 |
| E&S Harpers Investments Ltd | Real estate | 2024 |
| E'Do Coffee Company Limited | Hospitality | 2025 |
| E-Beeze Limited | Information & communication | 2000 |
| E-Cafe Limited | Wholesale & retail | 2003 |
| E-Chill Limited | Manufacturing | 2018 |
| E-Dichol Limited | Health & social care | 2014 |
| E-Dukan Limited | Wholesale & retail | 2022 |
| E-Factor Limited | Wholesale & retail | 2018 |
| E-File-Uk Limited | Information & communication | 2001 |
| E-Meva Ltd | Wholesale & retail | 2020 |
| E-Nigma Consulting (UK) Limited | Information & communication | 2000 |
| E-Sell Trading Services UK Ltd | Transport & logistics | 2019 |
| E-Serve Property Limited | Real estate | 2017 |
| E-Serve Technologies Limited | Information & communication | 2011 |
| E-Sustain Limited | Manufacturing | 2026 |
| E-Web Consultants Limited | Wholesale & retail | 2006 |
| E.A.M. Investments Limited | Construction | 2015 |
| E.B Home Lets Limited | Real estate | 2021 |
| E.Build.Homes Ltd | Construction | 2004 |
| E.Cherrie Ltd | Wholesale & retail | 2024 |
| E.D.W. Technology Limited | Information & communication | 1995 |
| E.J. Mccullum Limited | Hospitality | 2002 |
| E.Jackson(Chatburn)Limited | Transport & logistics | 1967 |
| E.P. Hayes & SON Limited | Construction | 2002 |
| EAC Consulting Group Limited | Professional & scientific | 2017 |
| EAC Holdings Limited | Professional & scientific | 2021 |
| Eacrocloud Ltd | Information & communication | 2021 |
| Eagle & C Logistics Limited | Water & waste | 2025 |
| Eagle Care Executive UK Ltd | Health & social care | 2024 |
| Eagle EYE Properties Ltd | Real estate | 2022 |
| Eagle for Metal Machinning UK Ltd | Manufacturing | 2024 |
| Eagle Services (MK) Limited | Other services | 1999 |
| Eagle Stone Events Ltd | Administrative & support | 2016 |
| Eagle Stone Pre-School Limited | Education | 2019 |
| Eagle UK Pizza Limited | Hospitality | 2021 |
| Eagleclawrecovery Ltd | Administrative & support | 2025 |
| Eaglecrest Enterprise Ltd | Professional & scientific | 2016 |
| Eagles Empire Limited | Professional & scientific | 2022 |
| Eaglescourt Developments Limited | Construction | 2012 |
| EAR WAX Removal Milton Keynes Ltd | Health & social care | 2025 |
| Eares Limited | Real estate | 2008 |
| Earivals Ltd | Wholesale & retail | 2023 |
| Earl Transport Limited | Administrative & support | 1995 |
| Earley Creative Limited | Administrative & support | 2010 |
| Earls Group Limited | Professional & scientific | 2002 |
| Earlsmarch Limited | Professional & scientific | 2017 |
| Earlybirds Consulting Ltd. | Health & social care | 2013 |
| Earn G Ltd | Construction | 2022 |
| Earnest & Stalwart Ltd | Professional & scientific | 2016 |
| Earnshaw Engineering Limited | Manufacturing | 1999 |
| Earth & Bubbles Ltd | Wholesale & retail | 2023 |
| Earth Regeneration Limited | Professional & scientific | 2010 |
| Earth Side Stoneworks Ltd | Manufacturing | 2023 |
| Earthly Renewables Build & Construction Ltd | Construction | 2024 |
| Earthly Renewables Building &Construction Limited | Construction | 2025 |
| Earthly Renewables Limited | Construction | 2021 |
| Earthsmart Commercial Properties Limited | Real estate | 2010 |
| EAS Consulting Services Limited | Professional & scientific | 2017 |
| Easagri Ltd | Other services | 2024 |
| Easethat Ltd | Information & communication | 2024 |
| East 6TH Capital Limited | Professional & scientific | 2025 |
| East Anglia Parking Services Limited | Other services | 2011 |
| East Berks Football Alliance Limited | Arts & recreation | 2024 |
| East Engineering Components Limited | Professional & scientific | 2018 |
| East India Company 2010 Limited | Construction | 2024 |
| East Management Services Limited | Professional & scientific | 2016 |
| East Point Care Limited | Health & social care | 2013 |
| East Road Freehold Limited | Real estate | 2021 |
| East West Railway Company Limited | Transport & logistics | 2017 |
| Eastern Star Entertainment Ltd | Information & communication | 2020 |
| Easterndirect Business Ltd | Wholesale & retail | 2010 |
| Eastfield Mill Limited | Real estate | 2019 |
| Eastform Advisory Limited | Professional & scientific | 2023 |
| Eastman Consultancy Limited | Professional & scientific | 2024 |
| Eastside Crusaders Ltd | Education | 2023 |
| Eastside Locks Limited Partnership | | 2016 |
| Easwe Medical Technology Ltd | Wholesale & retail | 2025 |
| Easy Bites App Limited | Information & communication | 2021 |
| Easy Lettings MK Ltd | Real estate | 2020 |
| Easy Peasy Retail Limited | Wholesale & retail | 2024 |
| Easy-One Flooring Limited | Construction | 2018 |
| EASY4TRADE Ltd | Transport & logistics | 2020 |