| Easy Watches Ltd | Administrative & support | 2019 |
| Easybuy Ecom Ltd | Wholesale & retail | 2026 |
| Easydash Biotech Limited | Manufacturing | 2022 |
| Easyexit Group Ltd | Other services | 2017 |
| Easyfuture DOT Online Limited | Information & communication | 2019 |
| Easylet Cardiff Limited | Real estate | 2017 |
| Easylet Estates Ltd | Real estate | 2007 |
| Easylet Properties Cardiff Ltd | Real estate | 2019 |
| Easylife Education Ltd | Education | 2019 |
| Easymove (Bristol) Limited | Professional & scientific | 1987 |
| Easypallets Ltd | Transport & logistics | 2017 |
| Easypurchase Ltd | Wholesale & retail | 2019 |
| EASYROOM4YOU Limited | Real estate | 2014 |
| Easyshopmall Ltd | Wholesale & retail | 2025 |
| Easysoft (UK) Ltd | Information & communication | 2012 |
| Easyspin Limited | Other services | 2026 |
| Easystore Self-Storage Limited | Administrative & support | 2002 |
| Easytrade.Live PC | | 2018 |
| Easyway Minibus Hire Limited | Transport & logistics | 2002 |
| EAT & SIP Market Ltd | Wholesale & retail | 2025 |
| EAT Drink Greek Limited | Wholesale & retail | 2017 |
| EAT Express Ltd | Hospitality | 2025 |
| EAT Well 666 Limited | Hospitality | 2024 |
| EAT Well Feel Great Ltd | Health & social care | 2023 |
| Eat&Do Ltd | Wholesale & retail | 2019 |
| Eatafricana Ltd | Wholesale & retail | 2023 |
| Eatcontigo Limited | Hospitality | 2021 |
| Eathome Limited | Hospitality | 2016 |
| Eatly Technology Ltd | Information & communication | 2022 |
| Eaton House and the Olives Residential Management Company Limited | Households | 1992 |
| Eaton Office Interiors Ltd. | Construction | 2008 |
| Eats Shoots Leaves Ltd | Manufacturing | 2023 |
| Eava Electronic Co., Ltd | Extraterritorial | 2021 |
| Eazi Home Improvements Limited | Construction | 2019 |
| Eazy 2 Hire Ltd | Administrative & support | 2020 |
| Eazy Insure Ltd | Professional & scientific | 2020 |
| Eazyplan Digital Ltd | Information & communication | 2025 |
| EB Beauty and Aesthetics Ltd | Other services | 2020 |
| EB Investment Group Ltd | Wholesale & retail | 2022 |
| EB Medical Writing Ltd | Information & communication | 2026 |
| EB Nexora Ltd | Wholesale & retail | 2025 |
| Eb-Associates Ltd | Information & communication | 2025 |
| EBA Automotive Ltd | Wholesale & retail | 2019 |
| EBA Homes Ltd | Real estate | 2021 |
| Ebbjou Limited | Professional & scientific | 2023 |
| Ebbsfleet Hotel 1 Ltd | Hospitality | 2022 |
| Ebbw Court Property Management Company Limited | Households | 1992 |
| EBC Global Ltd | Information & communication | 2016 |
| EBC Media Limited | Extraterritorial | 2014 |
| EBD Steel Door Maintenance Limited | Construction | 2023 |
| Ebdaa Almustaqbal Trading Ltd | Manufacturing | 2025 |
| Ebeauty Limited | Wholesale & retail | 2008 |
| Eben Haezer House Freeholders Ltd | Households | 2025 |
| Ebenezel Ltd | Health & social care | 2018 |
| Ebfc Education Coaching & Training Ltd | Education | 2022 |
| EBI and Hazel Services Ltd | Health & social care | 2023 |
| Ebikechargingsockets.Uk Limited | Construction | 2022 |
| Eblovia Limited | Wholesale & retail | 2022 |
| Ebokre Ltd | Wholesale & retail | 2025 |
| Ebony Interior Design Ltd | Other services | 2001 |
| Ebot Systems Ltd | Wholesale & retail | 2019 |
| EBP London Ltd | Administrative & support | 2018 |
| EBT12 Limited | Arts & recreation | 2024 |
| Ebube Consult Ltd | Administrative & support | 2018 |
| Ebureau Limited | Real estate | 2003 |
| Ebusiness-Soft Digital Ltd | Information & communication | 2023 |
| EC Facades Ltd | Construction | 2024 |
| Ecas Property Services Ltd | Construction | 2014 |
| Eccellenze Italiane Ltd | Wholesale & retail | 2022 |
| Eccles Bidco II Limited | Professional & scientific | 2015 |
| Eccles Property Development Limited | Real estate | 2024 |
| ECF Training Ltd | Education | 2010 |
| ECG Active Group Ltd | Arts & recreation | 2026 |
| Ecgame Limited | Information & communication | 2025 |
| Echion Partners Limited | Professional & scientific | 2025 |
| Echiw Limited | Information & communication | 2018 |
| Echo District Immersive Experiences Limited | Arts & recreation | 2025 |
| Echo Frame Saas Ltd | Information & communication | 2025 |
| Echo Silver Ltd | Wholesale & retail | 2024 |
| Echo Vogue Ltd | Wholesale & retail | 2025 |
| Echodesign Studio Ltd | Information & communication | 2025 |
| Echoes Eyrie Limited | Information & communication | 2024 |
| Echoes of Silence Ltd | Manufacturing | 2023 |
| Echohouse Consulting UK Limited | Other services | 2025 |
| Echoinnovatee Ltd | Professional & scientific | 2025 |
| Echominx Ltd | Professional & scientific | 2025 |
| Echonet Services Ltd | Information & communication | 2025 |
| Echonous UK Limited | Manufacturing | 2025 |
| Echos Trading Ltd | Wholesale & retail | 2018 |
| Echotrade Global Ltd | Wholesale & retail | 2025 |
| Echtsol Ltd | Wholesale & retail | 2024 |
| Ecigguk Limited | Wholesale & retail | 2013 |
| Eciservices Limited | Construction | 2022 |
| ECJ Foods Limited | Manufacturing | 2025 |
| ECK Social Care Services Limited | Health & social care | 2013 |
| Eckuity UK Ltd | Financial services | 2022 |
| ECL Construction Limited | Manufacturing | 1973 |
| Eclat Property Developers Ltd | Construction | 2020 |
| Eclat Saas Ltd | Information & communication | 2025 |
| Eclatendre Limited | Wholesale & retail | 2025 |