| Eaton Crescent Developments Limited | Real estate | 2020 |
| Eaton Enterprises Ltd | Real estate | 2015 |
| Eaton Heritage Ltd | Other services | 2024 |
| EBI IT Ltd | Information & communication | 2022 |
| Ecclesall Road Management Limited | Real estate | 1978 |
| Echoluxe Limited | Wholesale & retail | 2023 |
| ECI Management Consulting Limited | Information & communication | 2016 |
| Ecii Limited | Administrative & support | 2006 |
| Eclipse Home Improvements Ltd | Manufacturing | 2025 |
| Eclipse Kickboxing LLP | | 2017 |
| Eclipse Labels Holdings LLP | | 2024 |
| Eclipse Labels Limited | Manufacturing | 2009 |
| Eclipse Pharma Consulting Ltd | Professional & scientific | 2026 |
| Eclipse Property Partnership Ltd | Real estate | 2021 |
| Eclipse Retail Ltd | Wholesale & retail | 2021 |
| Eclipse Windows and Doors Ltd | Construction | 2018 |
| Ecmt Groundworks Ltd | Construction | 2022 |
| Eco Camping & Leisure Ltd | Wholesale & retail | 2021 |
| Eco GAS and Plumbing Ltd | Construction | 2024 |
| Eco Greener Home Limited | Construction | 2020 |
| Eco Signs Ltd | Manufacturing | 2010 |
| Ecobody Limited | Information & communication | 2000 |
| Ecoglaze Group Ltd | Construction | 2022 |
| Ecoglaze Ltd | Manufacturing | 2018 |
| Ecoglaze Trade Ltd | Manufacturing | 2024 |
| Ecohome Heating Ltd | Construction | 2019 |
| Ecom Number Nine Ltd | Administrative & support | 2024 |
| Ecom Spikers Ltd | Wholesale & retail | 2025 |
| Econeat Facilities Management Limited | Administrative & support | 2025 |
| Economy Move Limited | Transport & logistics | 2020 |
| Ecoshine Crew Ltd | Administrative & support | 2025 |
| Ecoveda Naturals UK Ltd | Wholesale & retail | 2018 |
| Ecoview Windows Limited | Wholesale & retail | 2024 |
| ED Nied UK Limited | Information & communication | 2015 |
| ED Wilcock Design Limited | Professional & scientific | 2004 |
| Eddy Builders Ltd | Construction | 2025 |
| Eden Beauty Land Ltd | Wholesale & retail | 2020 |
| Eden Field Management Company (Swindon) Limited | Households | 2025 |
| Eden Office Park Management Company Limited | Real estate | 2001 |
| Edenred Corporate Payment UK Limited | Administrative & support | 2017 |
| Edge Pathways CIC | Health & social care | 2024 |
| Edge Selection Limited | Administrative & support | 2005 |
| Edge Veterinary Orthopaedic Services Ltd | Professional & scientific | 2024 |
| Edgware Energy Limited | Energy | 2014 |
| Edible Prints Ltd | Wholesale & retail | 2016 |
| Edinburgh Phone Repair Limited | Wholesale & retail | 2021 |
| Edlet Limited | Health & social care | 2025 |
| EDM Plastering Limited | Construction | 2023 |
| Edmoh Limited Company Ltd | Health & social care | 2017 |
| Edmont Complete Solutions Ltd | Construction | 2015 |
| Edmont Construction Limited | Professional & scientific | 2008 |
| Edmont Developments Limited | Professional & scientific | 2008 |
| Edmont Joinery Limited | Professional & scientific | 2008 |
| Edmont Ltd | Construction | 1972 |
| Edmont Shopfitting Limited | Professional & scientific | 2008 |
| Edmont the Complete Contractor Limited | Professional & scientific | 2008 |
| EDN Transport Ltd | Transport & logistics | 2026 |
| Edrin Care Ltd | Health & social care | 2020 |
| Edsandy Healthcare Ltd | Health & social care | 2025 |
| Edtechhuman Ltd | Information & communication | 2022 |
| Eduardo Courier Services Ltd | Transport & logistics | 2025 |
| Educational Funding Company Limited | Administrative & support | 1998 |
| EDW Automotive Limited | Administrative & support | 2017 |
| Edward Tucker Architecture + Illustration Limited | Professional & scientific | 2007 |
| Edwardian Court Management Company Limited | Households | 1988 |
| Edwards Engineering (Swindon) Ltd | Professional & scientific | 2006 |
| Edwards Engineering Solutions Ltd | Construction | 2026 |
| Edwards Executive Limited | Transport & logistics | 2023 |
| Edwards PRE Training Limited | Other services | 2023 |
| EDY Ltd | Transport & logistics | 2018 |
| EDYLOGISTIC09 Ltd | Transport & logistics | 2024 |
| Edyn Trading Limited | Professional & scientific | 2023 |
| Efficient Electrical Ltd | Manufacturing | 2012 |
| Efficient Heating Services Ltd | Wholesale & retail | 2015 |
| EFG Knolls Farm Ltd | Agriculture & fishing | 2026 |
| EFS Financial Services Limited | Financial services | 2000 |
| Egamar Consulting Limited | Professional & scientific | 2011 |
| Egbert Systems Limited | Information & communication | 1999 |
| EGR Motors Limited | Wholesale & retail | 2026 |
| Eiger Transmedia Ltd. | Information & communication | 2011 |
| Eight Consultancy Group Limited | Professional & scientific | 2018 |
| Eight Consulting Ltd | Administrative & support | 2008 |
| Eight Investment Holdings Ltd | Financial services | 2024 |
| Einfochips UK Limited | Professional & scientific | 2024 |
| EJ Chowdhury Estates Ltd | Real estate | 2026 |
| EJ Chowdhury Homes Ltd | Real estate | 2026 |
| EJ Culinary Ltd | Wholesale & retail | 2026 |
| EJL Business Consulting Ltd | Professional & scientific | 2026 |
| EK Agency Ltd | Education | 2021 |
| EK Ghhar Limited | Real estate | 2023 |
| Ekaana Limited | Real estate | 2023 |
| EL Prawno Golf Ltd | Professional & scientific | 2024 |
| EL Taranto Ltd | Health & social care | 2020 |
| ELA (Swindon) Ltd | Hospitality | 2023 |
| Elarc Designs Limited | Professional & scientific | 2025 |
| Elasn’Asia Entertainment Limited | Administrative & support | 2021 |
| Elatmani Ltd | Professional & scientific | 2026 |
| Elba Consulting Ltd | Other services | 2013 |
| Elbm Systems UK Ltd | Manufacturing | 2023 |
| Elbmar Limited | Manufacturing | 1973 |