| Document Translations Ltd | Professional & scientific | 2025 |
| DOG2YOU Ltd | Agriculture & fishing | 2024 |
| Doicarservice Ltd | Construction | 2015 |
| Dolly's Pooch Coiffure Ltd | Other services | 2020 |
| Dollys Drycleaners Ltd | Other services | 2026 |
| Dolnik Construction Ltd | Construction | 2025 |
| Dolomite Investments Ltd | Real estate | 2021 |
| Domasi Ltd | Transport & logistics | 2011 |
| Doni and Davi Limited | Construction | 2025 |
| Donna Marie Roberts Limited | Extraterritorial | 2025 |
| Dont Forget the DOT Limited | Wholesale & retail | 2024 |
| Dope Chef Ltd | Wholesale & retail | 2024 |
| DOR Therapy Services Ltd | Health & social care | 2013 |
| Dorm Investments Limited | Real estate | 2016 |
| Dosev Estates Limited | Real estate | 2021 |
| Doteki International Limited | Administrative & support | 2022 |
| Double a Limited | Education | 2016 |
| Doughty Walker Light Industries Limited | Transport & logistics | 1986 |
| Douves Pirperotes Ltd | Real estate | 2025 |
| Dove and Olive Branch Restaurant Limited | Hospitality | 2011 |
| Dove Press Limited | Administrative & support | 2017 |
| Dovedi Assets Limited | Construction | 2018 |
| Dovedi Estates Limited | Real estate | 2019 |
| DP Sign & Print Ltd | Manufacturing | 2022 |
| DPR Enterprise Ltd | Information & communication | 2023 |
| DPR Wholesalers Limited | Wholesale & retail | 2014 |
| Dprm Limited | Construction | 2020 |
| DPS Portfolio Limited | Real estate | 2022 |
| Dpsp Consulting Limited | Administrative & support | 2006 |
| DR Amelia Davison Limited | Health & social care | 2021 |
| DR Bawa Ltd | Health & social care | 2016 |
| DR Handyman 44 Limited | Construction | 2020 |
| DR K Wadehra Private Consultancy Limited | Health & social care | 2021 |
| DR K777 Ltd | Health & social care | 2025 |
| DR Khalil Razvi Limited | Health & social care | 2015 |
| DR Legal Services Ltd | Professional & scientific | 2021 |
| DR Nina Ltd | Health & social care | 2023 |
| Dragonfly Advisors Limited | Administrative & support | 2024 |
| Drake IT Consultancy Limited | Administrative & support | 2014 |
| Dramadan Limited | Professional & scientific | 2020 |
| Draylin Limited | Real estate | 2006 |
| DRC Events Ltd | Administrative & support | 2021 |
| Dream Gurus Ltd | Information & communication | 2020 |
| Dreambagsjaguarshoes Limited | Professional & scientific | 2003 |
| Dreamer Travel Ltd | Administrative & support | 2025 |
| Drel Ltd | Real estate | 2024 |
| Dress for Less Limited | Wholesale & retail | 2005 |
| Drilltec Holdings Limited | Financial services | 2022 |
| Drilltec Limited | Construction | 2007 |
| Drivelectric Limited | Professional & scientific | 2002 |
| Driving 4YOU Transport Ltd | Transport & logistics | 2015 |
| Drop Shot UK Ltd | Arts & recreation | 2019 |
| Drytech Ltd | Construction | 2014 |
| DS Drywall Ltd | Construction | 2015 |
| DS Energy Services Limited | Administrative & support | 2004 |
| DS Group Property Ltd | Real estate | 2025 |
| DS Render Solutions Ltd | Construction | 2012 |
| DS Wealth Management Ltd | Financial services | 2017 |
| DS1 Property Ltd | Construction | 2020 |
| DS2 Property Ltd | Real estate | 2020 |
| DS3 Property Ltd | Real estate | 2023 |
| DST Coating Ltd | Construction | 2019 |
| DT Renovations UK Limited | Construction | 2018 |
| DT Sales Limited | Information & communication | 2014 |
| DT Trinity Ltd | Health & social care | 2021 |
| Dtek Solutions Limited | Information & communication | 2002 |
| Dtex Systems Ltd. | Information & communication | 2010 |
| Dtmf Associates Ltd | Arts & recreation | 2014 |
| Dubois Collective Ltd | Health & social care | 2026 |
| DUC Tien Cash & Carry Limited | Wholesale & retail | 2009 |
| Dudesweet Films Ltd | Information & communication | 2023 |
| Duffy & Soper Limited | Real estate | 2024 |
| Dukes Cupboard Limited | Wholesale & retail | 2017 |
| Dundonald Search Ltd | Administrative & support | 2024 |
| Dunes Cafe Ltd | Hospitality | 2020 |
| Dunya Developments Ltd | Real estate | 2025 |
| Durrani Development Limited | Real estate | 2025 |
| Durrani Investment Limited | Real estate | 2024 |
| Dustine Kendrew Limited | Administrative & support | 2013 |
| Dvcp (UK) Properties Ltd | Real estate | 2022 |
| DVL Smith Limited | Professional & scientific | 2004 |
| DVS Language Services Limited | Other services | 2003 |
| DW Tax Ltd | Professional & scientific | 2025 |
| Dwadea Limited | Health & social care | 2024 |
| DY Eastern Foods Limited | Hospitality | 2000 |
| Dynamic Parts Ltd | Wholesale & retail | 2016 |
| E & G Workmanship Ltd | Administrative & support | 2014 |
| E & J Property Portfolio Limited | Real estate | 2016 |
| E & K Murphy LLP | | 2016 |
| E & L Associates (Clacton) Limited | Construction | 1997 |
| E & L Finance Limited | Administrative & support | 2005 |
| E & L Property Developments Limited | Administrative & support | 2005 |
| E a Landscapes Ltd | Administrative & support | 2026 |
| E J General Services Ltd | Administrative & support | 2026 |
| E P J Seymour Limited | Other services | 2012 |
| E Sava Ltd | Hospitality | 2019 |
| E&G Elevated Drones Limited | Construction | 2025 |
| E&P Consultants Ltd | Administrative & support | 2023 |
| E. One Factors Limited | Professional & scientific | 2010 |
| E. One Motor Factors Limited | Wholesale & retail | 1974 |