| Druce Antiques Limited | Wholesale & retail | 2000 |
| Drury Street Glasgow Limited | Hospitality | 2017 |
| Drvest Holding & Investments Ltd | Professional & scientific | 2016 |
| Dsbg Ltd | Professional & scientific | 2023 |
| Dsl-Management Ltd | Real estate | 2025 |
| Dsll LLP | | 2026 |
| Dsllje Ltd | Administrative & support | 2026 |
| Dsopa Ltd | Transport & logistics | 2025 |
| DST Global Services Ltd | Information & communication | 2021 |
| DTB Cleaning Specialists Ltd | Administrative & support | 2025 |
| DTB SMS Ltd | Professional & scientific | 2015 |
| Dtbtd Ltd | Wholesale & retail | 2020 |
| Dtdih Limited | Information & communication | 2019 |
| DTH Management Limited | Professional & scientific | 2016 |
| DTL Transport Ltd | Transport & logistics | 2019 |
| DTM Building & Contractors Ltd | Construction | 2021 |
| DTY Developments Ltd | Real estate | 2017 |
| Dualcore Tech Limited | Information & communication | 2024 |
| Dubow Properties Limited | Real estate | 2019 |
| Ducks House Limited | Real estate | 2022 |
| Dudea Construction Ltd | Construction | 2019 |
| Dufty Software Ltd | Information & communication | 2026 |
| DUK Construction and Electrical Services Ltd | Construction | 2015 |
| Dulwich Doggy Care Ltd | Other services | 2025 |
| Duman Construction Limited | Construction | 2019 |
| Dumka Group Ltd | Real estate | 2024 |
| Dunni Estate Ltd | Real estate | 2023 |
| Dunsmore Flats Limited | Households | 1964 |
| Dupi Limited | Administrative & support | 2024 |
| Durham Tees Care Ltd | Health & social care | 2012 |
| Durkan (Bengeo 2) Limited | Construction | 2021 |
| Durkan (Bengeo) Limited | Construction | 2019 |
| Durkan (Braganza) Limited | Construction | 2021 |
| Durkan (Hoddesdon) Limited | Construction | 2025 |
| Durkan (Onslow) Limited | Construction | 2021 |
| Durkan (ST Neots) Limited | Construction | 2019 |
| Durkan (TR) Limited | Construction | 2021 |
| Durkan (Waterbeach) Limited | Construction | 2024 |
| Durkan Bengeo Holdco Limited | Construction | 2020 |
| Durkan Braganza Holdco Limited | Construction | 2021 |
| Durkan Estates Limited | Construction | 1987 |
| Durkan Growth Limited | Construction | 2021 |
| Durkan Holdings Limited | Construction | 1977 |
| Durkan Homes Holdings Limited | Construction | 2024 |
| Durkan Latimer Eddington LLP | | 2020 |
| Durkan Limited | Construction | 1970 |
| Durkan TR Holdco Ltd | Construction | 2021 |
| Duskwick Designs Ltd | Professional & scientific | 2019 |
| Dustaway Cleaning Services Ltd | Administrative & support | 2022 |
| Dusty Creations Ltd | Real estate | 2017 |
| Dvmengineering Corp Ltd | Professional & scientific | 2015 |
| Dvmindustrial Ltd | Extraterritorial | 2015 |
| DW Invest Limited | Education | 2021 |
| DWI Group Holdings Limited | Professional & scientific | 2025 |
| DWM Sports Ltd | Information & communication | 2014 |
| Dwpr Limited | Information & communication | 2011 |
| DX Transport Ltd | Transport & logistics | 2020 |
| DY Ventures Limited | Real estate | 2024 |
| Dynabuild Limited | Construction | 2013 |
| Dynami Tower Investments Ltd | Financial services | 2019 |
| Dynamite Production KIT Limited | Information & communication | 2024 |
| Dynasty (UK) Limited | Wholesale & retail | 1997 |
| Dynasty Estates Holdings Limited | Financial services | 2021 |
| Dynasty Estates Limited | Real estate | 2013 |
| Dynasty Estates One Limited | Real estate | 2013 |
| Dynasty Estates Property Holdings Limited | Real estate | 2021 |
| Dynasty Estates Two LLP | | 2013 |
| DYS Fortex Ltd | Wholesale & retail | 2023 |
| DZP Transport Ltd | Transport & logistics | 2023 |
| E Aesthetics and Laser Clinic Ltd | Other services | 2024 |
| E Beauty Rooms Ltd | Other services | 2021 |
| E Guinn Limited | Professional & scientific | 2017 |
| E L Ball Ltd | Health & social care | 2026 |
| E S N Film SET Services Ltd | Construction | 2023 |
| E&D Mechanical Ltd | Construction | 2014 |
| E&D Retail Ltd | Wholesale & retail | 2024 |
| E&F Construction Ltd | Construction | 2012 |
| E&J Limousines Limited | Transport & logistics | 2021 |
| E&M Property Services Limited | Construction | 2022 |
| E&S Investment Derby Ltd | Real estate | 2017 |
| E&U Holding Ltd | Real estate | 2025 |
| E-Crystal Propinvest Ltd | Real estate | 2020 |
| E-Crystal Supply Chain Services Ltd. | Administrative & support | 2015 |
| E-Homedesign Limited | Wholesale & retail | 2022 |
| E. Harizaj Limited | Construction | 2006 |
| E. R. O. Holding Limited | Financial services | 2017 |
| E.H. Investors Ltd | Real estate | 2023 |
| E.P. Design Ltd | Arts & recreation | 2023 |
| Eadhurst Ltd | Other services | 2019 |
| Eagle Brickwork Ltd | Construction | 2015 |
| Eagle Clothing Limited | Wholesale & retail | 2017 |
| Eagle Figures Limited | Wholesale & retail | 2024 |
| Eagle Flying Ltd | Transport & logistics | 2014 |
| Eagle Hammer Logistics Limited | Wholesale & retail | 2019 |
| Eagle Management Consultancy Ltd | Professional & scientific | 2022 |
| Eagle Roots Ltd | Wholesale & retail | 2025 |
| Earlscourt Property Investments Ltd | Real estate | 2018 |
| Early Doors Sports Limited | Administrative & support | 2021 |
| East Autos Transport Ltd | Wholesale & retail | 2018 |
| East Meets Reel Limited | Information & communication | 2026 |