| DYNAMOFOODS2 Ltd | Hospitality | 2025 |
| Dynasty Collectibles Ltd | Wholesale & retail | 2025 |
| Dynasty Denture Clinics Ltd | Health & social care | 2018 |
| Dynastybuilder Corporation Ltd | Real estate | 2023 |
| Dynastycraft Interactive Limited | Professional & scientific | 2025 |
| Dynatech Systems Limited | Information & communication | 2023 |
| Dynavision Limited | Information & communication | 2015 |
| Dyneley Holdings Limited | Wholesale & retail | 2001 |
| Dyno Energy and Telecoms Ltd | Wholesale & retail | 2017 |
| Dynocal Limited | Information & communication | 2019 |
| Dyson Consulting Ltd | Professional & scientific | 2005 |
| Dyson Electrical Limited | Construction | 2016 |
| Dyson Meats Ltd | Wholesale & retail | 2019 |
| Dyson Properties Limited | Real estate | 1959 |
| Dyson Property Group Limited | Extraterritorial | 2023 |
| Dyswin Properties Limited | Real estate | 2012 |
| DZ Electrical & Building Ltd | Construction | 2024 |
| Dzign House Architecture Limited | Professional & scientific | 2015 |
| Dzozz Services Ltd | Construction | 2008 |
| D’Almeida Consulting Group Ltd | Information & communication | 2025 |
| D’S Health Ltd | Arts & recreation | 2018 |
| E & M Commercial Limited | Real estate | 2004 |
| E & O Marylebone Limited | Hospitality | 2021 |
| E & P Coatings Limited | Wholesale & retail | 1992 |
| E a Car & Vans Rental Limited | Construction | 2024 |
| E a Haulage Limited | Transport & logistics | 2021 |
| E a Main Street Management Ltd | Households | 2025 |
| E Banham Ltd | Administrative & support | 2022 |
| E Brown Limited | Professional & scientific | 2016 |
| E E Solutions Holding Limited | Financial services | 2024 |
| E E Solutions Limited | Energy | 2008 |
| E Haul Ltd | Transport & logistics | 2011 |
| E J Woolfoot Limited | Construction | 2003 |
| E Juice Supplies Ltd | Administrative & support | 2021 |
| E L Watson Financial Planning Limited | Financial services | 2005 |
| E M Optical Ltd | Wholesale & retail | 2023 |
| E Matthews Properties Limited | Real estate | 2024 |
| E R Taylor Ltd | Professional & scientific | 2023 |
| E R Varghese Ltd | Health & social care | 2022 |
| E S Motors Limited | Wholesale & retail | 2012 |
| E Samuel Properties Limited | Real estate | 2019 |
| E Wacuka Limited | Health & social care | 2021 |
| E X GUM Ltd | Real estate | 2019 |
| E&A Investment Leeds Ltd | Real estate | 2022 |
| E&E Environmental Consultancy Ltd | Professional & scientific | 2021 |
| E&F Fast Food Ltd | Hospitality | 2025 |
| E&Fmarshallproperty Ltd | Hospitality | 2024 |
| E&G Caterers Limited | Hospitality | 2017 |
| E&I Plumbing and Heating Ltd | Construction | 2021 |
| E&I Property Services Ltd | Real estate | 2023 |
| E&M Marketing Ltd | Other services | 2022 |
| E&R Consulting Ltd | Professional & scientific | 2017 |
| E&Z B Limited | Real estate | 2018 |
| E-Accounting Limited | Professional & scientific | 1999 |
| E-Burn Ltd | Wholesale & retail | 2015 |
| E-Chapters Ltd | Information & communication | 2023 |
| E-Chinaservice UK Ltd | Wholesale & retail | 2020 |
| E-Doc Group Pension Scheme Trustee Limited | Extraterritorial | 1997 |
| E-Lucent Ltd | Manufacturing | 2021 |
| E-Marketing 2 Limited | Professional & scientific | 2026 |
| E-Marketing Agency Ltd | Professional & scientific | 2024 |
| E-Myth UK Limited | Extraterritorial | 2008 |
| E-Poster Ltd | Extraterritorial | 2025 |
| E-Square Risk and Property Investments Ltd | Transport & logistics | 2022 |
| E. B. Utilities Limited | Construction | 2014 |
| E. Houseman & SON Limited | Real estate | 1982 |
| E. Oldroyd & Sons (Holdings) Limited | Financial services | 2020 |
| E.& M.(Industrial)Sewing Machines Limited | Wholesale & retail | 1961 |
| E.Appleyard Limited | Construction | 1938 |
| E.D.E.N Concept Ltd | Information & communication | 2025 |
| E.D.H. Limited | Professional & scientific | 1961 |
| E.Fletcher & Sons Limited | Construction | 1992 |
| E.G.P. Sports Group Limited | Arts & recreation | 1978 |
| E.Grayson-Bollon Ltd | Professional & scientific | 2021 |
| E.H Auto Repair Centre Ltd | Wholesale & retail | 2025 |
| E.H. Allingham (Construction) Limited | Construction | 2001 |
| E.I.S.S 96 Limited | Other services | 2025 |
| E.I.S.S. S Alumni Ltd | Other services | 2025 |
| E.J. Rawlins & Company Limited | Wholesale & retail | 1924 |
| E.S.P. (UK) Limited | Arts & recreation | 2014 |
| E.W. IT Solutions Limited | Information & communication | 2016 |
| E2 Housing Limited | Real estate | 2024 |
| E27 Partners UK Ltd | Financial services | 2018 |
| E2E Accountancy Limited | Professional & scientific | 2018 |
| E4.ZERO Ltd | Information & communication | 2021 |
| E8I.IO Ltd | Information & communication | 2025 |
| EA Advisory Group Limited | Professional & scientific | 2026 |
| EA PHARMA7 Ltd | Manufacturing | 2026 |
| EA Search Group Ltd | Administrative & support | 2022 |
| EA Sports Network Limited | Information & communication | 2019 |
| Ea-Architectural Ltd | Professional & scientific | 2021 |
| Eades Kirkgate | Professional & scientific | 2007 |
| Eadss Ltd | Information & communication | 2026 |
| Eagle Activity Tours Limited | Administrative & support | 2003 |
| Eagle Biznet UK C.I.C. | Administrative & support | 2017 |
| Eagle Darts 180 Ltd | Manufacturing | 2023 |
| Eagle Delivery Ltd | Transport & logistics | 2020 |
| Eagle Investors Ltd | Real estate | 2021 |
| Eagle Mobile 3 Limited | Wholesale & retail | 2023 |
| Eagle OWL Investments | Financial services | 2021 |