| Ergon Investments UK Limited | Professional & scientific | 1986 |
| Erick Angelo Ltd | Wholesale & retail | 2023 |
| Erosflowersuk Ltd | Wholesale & retail | 2026 |
| ERU Hygiene Limited | Health & social care | 2024 |
| Erudito Ltd | Administrative & support | 2012 |
| Erwan UK Limited | Construction | 2019 |
| ES Cubells Eyewear Ltd | Wholesale & retail | 2026 |
| Escape Experience Limited | Arts & recreation | 2018 |
| Escential Limited | Wholesale & retail | 2007 |
| ESH Arora Holding Ltd | Real estate | 2024 |
| Eshaal Innovations Ltd | Wholesale & retail | 2025 |
| Eshaki Consulting Ltd | Information & communication | 2025 |
| Eshaki Foundation | Education | 2016 |
| Eshop Designers & IT Solutions Limited | Information & communication | 2012 |
| ESM Property Maintenance Ltd | Real estate | 2020 |
| Esmakh Limited | Health & social care | 2016 |
| Esmerize Limited | Wholesale & retail | 2020 |
| Esoftbytes Limited | Information & communication | 2010 |
| Esras Store Ltd | Wholesale & retail | 2026 |
| Essar Consulting Ltd | Information & communication | 2012 |
| Esse and Co UK Ltd | Health & social care | 2024 |
| Essence Emporium Ltd | Manufacturing | 2026 |
| Essencelogic Limited | Information & communication | 2021 |
| Essenti Global Ltd | Wholesale & retail | 2026 |
| Essential Care Companions Ltd | Health & social care | 2024 |
| ESSENTIALS365 Ltd | Wholesale & retail | 2021 |
| Esskayco Ltd | Transport & logistics | 2025 |
| Essone Limited | Administrative & support | 2001 |
| EST Investments Limited | Other services | 2014 |
| Esteem Projects & Consultancy Limited | Professional & scientific | 2012 |
| Estelle Sport Ltd | Wholesale & retail | 2025 |
| Esther Empowering Ltd | Administrative & support | 2026 |
| Esther O Osemen & Co Ltd | Health & social care | 2018 |
| Esto Care Group Ltd | Health & social care | 2014 |
| Esto Care Group North Limited | Health & social care | 2024 |
| Esto House Ltd | Real estate | 2015 |
| Estore XL Ltd. | Information & communication | 2021 |
| Esurrey Ltd | Real estate | 2017 |
| ESZ Ltd | Construction | 2025 |
| ET Real Estates Ltd | Real estate | 2020 |
| Etax Associates Ltd | Professional & scientific | 2013 |
| Etax Filing Limited | Professional & scientific | 2023 |
| Etech Electrical Contractors Ltd | Construction | 2020 |
| Eternity Logistics Ltd | Transport & logistics | 2026 |
| Ethel Gray UK Ltd | Real estate | 2019 |
| Ethercomm Data Services Limited | Information & communication | 2010 |
| Ethical Pest Solutions Ltd | Administrative & support | 2023 |
| Ethicaliving Ltd | Wholesale & retail | 2018 |
| Ethnic POT Catering Services Ltd | Hospitality | 2012 |
| Ethos Controls Ltd | Construction | 2025 |
| Etica World Ltd | Wholesale & retail | 2018 |
| Etihaad Travel and Tourism Ltd | Administrative & support | 2017 |
| Etive House Care Home Ltd | Health & social care | 2019 |
| ETL Logistics Limited | Transport & logistics | 2015 |
| ETL Storage Limited | Transport & logistics | 2023 |
| Eton Aviation Ltd | Transport & logistics | 2019 |
| Eton Bridge Capital Limited | Other services | 2020 |
| Eton House Ltd | Hospitality | 2024 |
| Eton House Management Company (Slough) Limited | Households | 2013 |
| Eton Lettings Limited | Real estate | 2020 |
| Eton One Stop Ltd | Wholesale & retail | 2022 |
| Eton Telecom Ltd | Information & communication | 2025 |
| Eton Wells Ltd | Extraterritorial | 2020 |
| Etopia Consultancy Ltd | Professional & scientific | 2019 |
| EU Logistical Support Ltd | Administrative & support | 2009 |
| EU Motors Services Ltd | Wholesale & retail | 2023 |
| EU2UK Travel & Tours Limited | Administrative & support | 2019 |
| Eulerian Holdings Ltd | Information & communication | 2025 |
| Euniverse Ltd | Wholesale & retail | 2025 |
| Euphoria Cabs Ltd | Transport & logistics | 2023 |
| Eureka Enterprise Limited | Administrative & support | 2009 |
| Euro Auto Technik Limited | Wholesale & retail | 2007 |
| Euro Care Group Limited | Health & social care | 2023 |
| Euro Diagnostics Limited | Manufacturing | 2015 |
| Euro House Improvement Ltd | Construction | 2018 |
| Euro Logistics World Ltd | Transport & logistics | 2023 |
| Euro Mass Ltd | Real estate | 2025 |
| Euro Pest Control UK Limited | Administrative & support | 2008 |
| Euro Property (Real Estate) Co Limited | Administrative & support | 2014 |
| Euro UK Grocery Limited | Wholesale & retail | 2022 |
| Eurobrit Enterprises Ltd | Wholesale & retail | 2021 |
| Eurocrown Ltd | Transport & logistics | 2025 |
| Eurolaser IT Ltd | Wholesale & retail | 2008 |
| Euromix Concrete Ltd | Manufacturing | 2025 |
| Europa UK1 Ltd | Hospitality | 2025 |
| Europacific Cables Ltd | Manufacturing | 2025 |
| Europak Distribution Limited | Wholesale & retail | 2019 |
| Europe Trading Ltd | Administrative & support | 2016 |
| Europe-Uk Serv Ltd | Construction | 2023 |
| European Steel Profiles Limited | Manufacturing | 2015 |
| Europest Limited | Health & social care | 2015 |
| Eurosoul Limited | Wholesale & retail | 2021 |
| Eurowage Limited | Professional & scientific | 2005 |
| EV First Ltd | Professional & scientific | 2023 |
| EVA Provot Consulting Ltd | Professional & scientific | 2016 |
| Evans MAK Engineering Limited | Professional & scientific | 2020 |
| Evans Recruitment Limited | Administrative & support | 2025 |
| Evaritz Ltd | Wholesale & retail | 2022 |
| EVE Fertility Ltd | Health & social care | 2025 |
| Event Your Day Ltd | Professional & scientific | 2022 |