| Duncan Edwards Property Management Services Limited | Administrative & support | 2003 |
| DUO Space Ltd | Real estate | 2020 |
| Durbar Holdings Ltd | Real estate | 2019 |
| Dvelup Limited | Information & communication | 2025 |
| Dwellspace Projects Limited | Professional & scientific | 2014 |
| Dykeminster Limited | Professional & scientific | 1981 |
| Dynamic EMS Limited | Manufacturing | 1957 |
| Dynamic Planner Limited | Information & communication | 2003 |
| E Z Smart Transcription Solutions Limited | Administrative & support | 2003 |
| E1INVESTMENTS Ltd | Real estate | 2018 |
| Ea-Uk Compliance Limited | Administrative & support | 2023 |
| Eagle Project Support Services Ltd | Professional & scientific | 2025 |
| East & Poem Ltd | Wholesale & retail | 2020 |
| East Hockey Limited | Arts & recreation | 2021 |
| Eaton Capital Management UK Limited | Financial services | 2015 |
| Eaton Planning Limited | Professional & scientific | 2006 |
| Eden White Limited | Professional & scientific | 2017 |
| EDISON365 Limited | Information & communication | 2018 |
| Edmunds Gardens NO.1 Management Company Limited | Households | 1988 |
| Edmunds Gardens NO.2 Management Company Limited | Households | 1988 |
| Edwards Holding Group Ltd | Real estate | 2022 |
| Effective Steps Limited | Administrative & support | 2012 |
| Eight Strategy Limited | Professional & scientific | 2017 |
| EKO Utility (UK) Limited | Wholesale & retail | 2016 |
| Eldridge Air Ltd | Transport & logistics | 2022 |
| ELE Enterprise Limited | Arts & recreation | 2025 |
| Element Consulting & Communications Ltd. | Information & communication | 2012 |
| Elements 4 Design Agencies Limited | Professional & scientific | 2014 |
| Elephant Media Ltd | Information & communication | 2024 |
| Eleven SIX Ltd | Information & communication | 2021 |
| Elevetion Health Limited | Health & social care | 2026 |
| Eliart Ltd | Professional & scientific | 2025 |
| Elite Football Performance Centre Ltd | Arts & recreation | 2022 |
| Elite Yacht Group UK Ltd | Manufacturing | 2021 |
| Elizabeth Court (Slough NO. 2) Limited | Households | 2020 |
| Elizabeth Place Residents Management Company Limited | Households | 2013 |
| Ellie MW Limited | Other services | 2024 |
| ELM and Stone Consultancy Ltd | Professional & scientific | 2026 |
| ELM Communications Ltd | Information & communication | 2025 |
| Elmslie Court Residents (Maidenhead) Limited | Households | 1970 |
| Elvian House Management Company Limited | Households | 2017 |
| Elvitech Ltd | Professional & scientific | 2012 |
| ELW Information Ltd | Administrative & support | 2014 |
| Ember Networks Limited | Information & communication | 2023 |
| Emma Lambie Ltd | Professional & scientific | 2026 |
| Emmaus Medical Europe Limited | Professional & scientific | 2011 |
| Emmett & Stone Country Sports Ltd | Wholesale & retail | 2011 |
| Emotionz Limited | Wholesale & retail | 2024 |
| Empire Brickwork Solutions Limited | Construction | 2024 |
| Empire Roofing Solutions Limited | Construction | 2024 |
| Empire Scaffolding Solutions Limited | Construction | 2024 |
| Empire Window Solutions Limited | Construction | 2024 |
| Empire Windows Ltd | Construction | 2025 |
| Empirical Wines Ltd | Wholesale & retail | 2024 |
| Empower Business and Executive Coaching Limited | Professional & scientific | 2019 |
| Energy International Systems Group Limited | Professional & scientific | 2003 |
| Energy International Systems Limited | Professional & scientific | 1996 |
| England Hockey | Arts & recreation | 2002 |
| Enicnarf Limited | Professional & scientific | 2018 |
| Enterprise Way (Luton) Management Company Ltd | Households | 2026 |
| Entertainment Solution Services Limited | Arts & recreation | 2021 |
| Entigale Limited | Real estate | 1977 |
| Enverdis Holdings Limited | Manufacturing | 2015 |
| Enviva Consultancy Limited | Professional & scientific | 2003 |
| Enviva Limited | Professional & scientific | 2003 |
| Eolo Consultancy (UK) Limited | Professional & scientific | 2015 |
| Equity Veloce Ltd | Administrative & support | 2025 |
| Erebus Investments Limited | Mining & quarrying | 2008 |
| Ernt Limited | Administrative & support | 2005 |
| Escadine Limited | Professional & scientific | 2009 |
| Esjay Group Ltd | Professional & scientific | 2022 |
| Espy Leak Detection Ltd | Administrative & support | 2023 |
| Espy Solutions Limited | Wholesale & retail | 2026 |
| ESR Distribution Group Ltd | Wholesale & retail | 2024 |
| Essel 7 Services Ltd | Transport & logistics | 2011 |
| ESSEL71 Ltd. | Real estate | 2020 |
| Estate Flex Limited | Information & communication | 2023 |
| Eternally Young Limited | Health & social care | 2023 |
| Ethernet Productions Limited | Information & communication | 2005 |
| Etoile Berks Ltd | Hospitality | 2017 |
| Eudoxia Consulting Limited | Professional & scientific | 2015 |
| Europa Care Limited | Health & social care | 2005 |
| Europa Communications Holdings Ltd | Financial services | 2020 |
| Europa Communications Limited | Professional & scientific | 1994 |
| European Antennas Limited | Extraterritorial | 1990 |
| European Helicopter Importers Ltd | Wholesale & retail | 2011 |
| EV Cables Limited | Manufacturing | 2014 |
| Evalesco Leadership Ltd | Professional & scientific | 2026 |
| Evenair Limited | Energy | 2014 |
| Eventful Merch Ltd | Administrative & support | 2025 |
| Eventus Global Ltd | Wholesale & retail | 2014 |
| Evolution (Electronic Security Systems) Ltd. | Administrative & support | 1996 |
| Evolution Europe (EOT) Limited | Professional & scientific | 2022 |
| Evolution Europe Ltd | Financial services | 1998 |
| Evolution Health & Safety Consultants Ltd | Administrative & support | 2015 |
| Evolution Life Safety Systems Limited | Extraterritorial | 2011 |
| Evolution Maintenance Limited | Extraterritorial | 1998 |
| Evolution Professional Services Limited | Information & communication | 2021 |
| Evolution Risk and Design Limited | Administrative & support | 2009 |
| Evolution Security Limited | Extraterritorial | 2013 |