| DRM Drywall Limited | Other services | 2006 |
| DRN Services Limited | Professional & scientific | 2023 |
| DSJ Contracts Ltd | Construction | 2017 |
| DTA Property Consulting Limited | Professional & scientific | 2023 |
| DTA Property Holdings Limited | Construction | 2023 |
| Dubai Removals Limited | Transport & logistics | 2023 |
| Dumfries Internet Services Limited | Professional & scientific | 1995 |
| Dundee Internet Services Limited | Professional & scientific | 1995 |
| Dunfermline Internet Services Limited | Professional & scientific | 1995 |
| Dunwich Holdings Ltd | Wholesale & retail | 2003 |
| Duovine Limited | Wholesale & retail | 2020 |
| Durham Internet Services Limited | Professional & scientific | 1995 |
| DW Reinforced Concrete Ltd | Construction | 2020 |
| Dwell Above Limited | Real estate | 2016 |
| Dwvb Media Limited | Professional & scientific | 2025 |
| Dyfed Internet Services Limited | Professional & scientific | 1995 |
| Dynamic Essex Ltd | Professional & scientific | 2025 |
| Dynamic Projects (London) Limited | Construction | 2023 |
| E S Hulse & SON Limited | Wholesale & retail | 2003 |
| E T C Plant Hire Limited | Administrative & support | 2007 |
| E.A.C. Construction Limited | Administrative & support | 2009 |
| E.Bixby & Co.Limited | Wholesale & retail | 1963 |
| E.G. Carpentry Ltd | Construction | 2022 |
| E.G.Fitness Limited | Other services | 2015 |
| E.T.C. Sports Surfaces Limited | Construction | 2001 |
| Ea-Rs Fire Engineering Group Limited | Professional & scientific | 2020 |
| Ea-Rs Fire Engineering Limited | Professional & scientific | 1996 |
| Ea-Rs Fire Management Limited | Professional & scientific | 2020 |
| Ea-Rs Firescape Limited | Financial services | 2017 |
| Ea-Rs Group Limited | Professional & scientific | 2020 |
| Ea-Rs Passive Fire Protection Limited | Professional & scientific | 2023 |
| Ea-Rs Project Solutions Group Ltd | Professional & scientific | 2023 |
| Ea-Rs Project Solutions Ltd | Professional & scientific | 2023 |
| Ea-Rs Projects Ltd | Professional & scientific | 2023 |
| Ea-Rs Service Solutions Group Ltd | Professional & scientific | 2023 |
| Ea-Rs Service Solutions Ltd | Professional & scientific | 2023 |
| Ea-Rs Solutions Ltd | Administrative & support | 1998 |
| Ea-Rs Technical Solutions Group Ltd | Professional & scientific | 2023 |
| Ea-Rs Technical Solutions Ltd | Professional & scientific | 2023 |
| EAG Acquisitions Limited | Financial services | 2020 |
| Eagle Xpress (UK) Limited | Transport & logistics | 2000 |
| Eagle Xpress Medical Couriers Limited | Professional & scientific | 2016 |
| Eaglebond Limited | Wholesale & retail | 2009 |
| Eagleton Properties Ltd | Real estate | 2000 |
| EAS Management (UK) Limited | Financial services | 2014 |
| East Anglia Scaffolding Limited | Construction | 2009 |
| East Anglian Shot Blasting Ltd | Construction | 2015 |
| East Coast Limited | Other services | 2018 |
| East END Capital Limited | Real estate | 2018 |
| East Sussex Internet Services Limited | Professional & scientific | 1995 |
| Eastbridge Capital UK Ltd | Real estate | 2025 |
| Eastern 2021 Ltd | Hospitality | 2021 |
| Eastern Essex Ltd | Hospitality | 2025 |
| Eastgate Property Development Holdings Ltd | Construction | 2025 |
| Eastways Holdings Limited | Financial services | 2023 |
| Easy Avenues Events Ltd | Administrative & support | 2012 |
| Easy Avenues Group Ltd | Financial services | 2022 |
| Easy Avenues Limited | Administrative & support | 2009 |
| EC LUX Cleaning Limited | Households | 2025 |
| Echo Trail Audio Ltd | Information & communication | 2025 |
| ECM Elite Limited | Professional & scientific | 2019 |
| Eco Nest Group Ltd | Real estate | 2025 |
| Ecoclean Services Ltd | Administrative & support | 2003 |
| Edda Cafe & Catering Ltd | Hospitality | 2023 |
| Eddym Ltd | Transport & logistics | 2022 |
| Edfax Limited | Information & communication | 2012 |
| EDG Group Limited | Transport & logistics | 1998 |
| EDG Investments Limited | Real estate | 2010 |
| Edge. F Developments Ltd | Real estate | 2024 |
| Edgecumbe House Ltd | Professional & scientific | 2021 |
| Edinburgh Internet Services Limited | Professional & scientific | 1995 |
| Edip Training Ltd | Professional & scientific | 2014 |
| Edns Properties Limited | Real estate | 2025 |
| EDP Europe Limited | Information & communication | 1990 |
| EEE Investments Ltd | Real estate | 2023 |
| Egypts Farm Limited | Agriculture & fishing | 1982 |
| EHP MEP Ltd | Construction | 2025 |
| Eilema Designs Ltd | Financial services | 2016 |
| EKM Risk Consulting Limited | Financial services | 2020 |
| Ekvaartis Ltd | Professional & scientific | 2021 |
| EL Diablo Films Limited | Information & communication | 2025 |
| EL Pulpo Limited | Hospitality | 2016 |
| Elavira Limited | Administrative & support | 2026 |
| Elecmech Ltd | Construction | 2019 |
| Elecom (Europe) Ltd | Construction | 2009 |
| Electric Vehicle Innovations Ltd | Professional & scientific | 2019 |
| Electric-King Ltd. | Construction | 2013 |
| Elevate 4 Education Ltd | Education | 2026 |
| Elevate 4 Property Ltd | Real estate | 2026 |
| Elevation Roofing Limited | Construction | 2017 |
| Elite Bodywork Solutions Ltd | Wholesale & retail | 2026 |
| Elite Cleaning Service Limited | Administrative & support | 2007 |
| Elite Externals Ltd | Construction | 2016 |
| Elite Facility Services (Essex) Ltd | Administrative & support | 2018 |
| Elite FM Services Ltd | Construction | 2025 |
| Elkinuk Ltd | Construction | 2018 |
| Elkk Ltd | Real estate | 2022 |
| Ellis Farm Solutions Limited | Professional & scientific | 2015 |
| Ellis Tuckey Ltd | Transport & logistics | 2024 |
| Elmtree Print & Design Limited | Manufacturing | 2010 |