| DPR Home Improvements Limited | Construction | 2009 |
| Dpvision Ltd | Wholesale & retail | 2022 |
| DR Anna Merrett Neuropsychology Ltd | Health & social care | 2023 |
| DR Dave Innovation Ltd | Professional & scientific | 2015 |
| DR Doggy (UK) Ltd | Other services | 2025 |
| DR Education Consulting Limited | Education | 2023 |
| DR Financial Consulting Limited | Professional & scientific | 2018 |
| DR Kallaway Ltd | Health & social care | 2025 |
| DR Kongo Productions Limited | Wholesale & retail | 2021 |
| DR Madabushi Pain Management Ltd | Health & social care | 2026 |
| DR S August Limited | Health & social care | 2022 |
| DR Sharma Diagnostics Limited | Health & social care | 2012 |
| DR Zoolittle Ltd | Professional & scientific | 2021 |
| Draca Limited | Wholesale & retail | 2022 |
| Draco Business Solutions Ltd | Professional & scientific | 2026 |
| Dragonfly Educational Support (South Coast) Ltd | Education | 2015 |
| Dragonfly Educational Support LP | | 2014 |
| Drain Busters Limited | Construction | 2025 |
| Drain Excellence Ltd | Water & waste | 2026 |
| Drain Zone Limited | Water & waste | 2024 |
| Drake Power Solutions Limited | Professional & scientific | 2025 |
| Dramatic Productions (UK) Limited | Administrative & support | 2013 |
| Draper Elite Performance Limited | Arts & recreation | 2023 |
| Drawn Developments Ltd | Construction | 2010 |
| Drawn Estates Ltd | Real estate | 2025 |
| Drawn Group Ltd | Real estate | 2025 |
| Draymond Co. Ltd. | Wholesale & retail | 2018 |
| Dream Deals Travel Ltd | Administrative & support | 2021 |
| Dream Group Ltd | Wholesale & retail | 2025 |
| Dream Weddings Dorset Ltd | Arts & recreation | 2024 |
| Dreamcloud Technologies Limited | Information & communication | 2022 |
| Dreamland Management Limited | Households | 2008 |
| Dreamouton Studio Ltd. | Information & communication | 2025 |
| Dreamovator Ltd | Administrative & support | 2022 |
| Dreamy Ponies Limited | Public administration | 2020 |
| Drgr (Property) Limited | Real estate | 2022 |
| Driftyboii Ltd | Wholesale & retail | 2021 |
| Dripgameuk Ltd | Wholesale & retail | 2024 |
| Drive Autoworks Ltd | Wholesale & retail | 2021 |
| Driveway Excellence Limited | Construction | 2022 |
| Drivewithpaul Limited | Wholesale & retail | 2026 |
| Driving AID to Ukraine | Health & social care | 2022 |
| Drool Art Limited | Wholesale & retail | 2021 |
| Drop Events Ltd. | Arts & recreation | 2016 |
| DRS A&A Siggers Ltd | Public administration | 2024 |
| Druim Suntime Company Limited(The) | Extraterritorial | 1983 |
| Druiy Drylining Ltd | Construction | 2026 |
| Drummond Joinery Ltd | Manufacturing | 2024 |
| DS Building and Developments Ltd | Construction | 2024 |
| DS Civil Limited | Construction | 2024 |
| DS Electrical Services Limited | Construction | 1999 |
| DS Electrical South Ltd | Construction | 2025 |
| DS Global Ventures Limited | Wholesale & retail | 2025 |
| DS Reddy Ltd | Wholesale & retail | 2026 |
| DSC Fabrication Limited | Manufacturing | 2021 |
| Dsek Limited | Health & social care | 2019 |
| Dsf-Uk Ltd | Information & communication | 2024 |
| Dspartridge Building Ltd | Construction | 2017 |
| Dsto Limited | Wholesale & retail | 2005 |
| Dtcis Ltd | Information & communication | 2018 |
| Dtek Digital Solutions Limited | Wholesale & retail | 2015 |
| DTR Holdings (South) Limited | Real estate | 2021 |
| Dualmode Digital Ltd | Information & communication | 2014 |
| Dubu Trading Limited | Professional & scientific | 2011 |
| Duck Street Residents Limited | Households | 2020 |
| Ducol Limited | Real estate | 2024 |
| Dudsbury Homes ( Ferndown ) Limited | Construction | 2016 |
| Dudsbury Homes ( Southern ) Limited | Construction | 2016 |
| Dudsbury Homes (LM) Ltd | Construction | 2018 |
| Dudsbury Pines Management Limited | Households | 2009 |
| Duel Planet Limited | Information & communication | 2015 |
| Dugey Developments Limited | Construction | 1986 |
| Dugey Holdings Limited | Financial services | 2022 |
| Dukmak Properties Ltd | Real estate | 2021 |
| Dulay London Limited | Wholesale & retail | 2026 |
| Duncan Mcmahon Consultancy Ltd | Administrative & support | 2017 |
| Dune Portfolio Limited | Real estate | 2024 |
| Dunning Homes Limited | Real estate | 2025 |
| DUO Hair Design Ltd | Other services | 2021 |
| Duotek Ltd | Administrative & support | 2018 |
| Durje Property Ltd | Real estate | 2023 |
| Dusx Limited | Wholesale & retail | 2017 |
| Dutch Touch Designs Limited | Administrative & support | 2012 |
| DV Brands Limited | Wholesale & retail | 2020 |
| DV Decorators Ltd | Construction | 2019 |
| DW Assets Limited | Real estate | 2023 |
| DWB Property Investments Limited | Real estate | 2021 |
| Dwinner Limited | Information & communication | 2021 |
| Dwpainting Ltd | Construction | 2025 |
| DYK Property Limited | Real estate | 2023 |
| Dymond VFX Limited | Information & communication | 2018 |
| Dynamic Developments (South West) Ltd | Construction | 2022 |
| Dynamic Home Development Ltd | Construction | 2023 |
| Dynamic Home Renovations Ltd | Construction | 2022 |
| Dynamic Punch Ltd | Wholesale & retail | 2021 |
| Dynamic Punching Ltd | Wholesale & retail | 2021 |
| Dynamic Webwork Ltd | Information & communication | 2024 |
| Dysan GAS Services Limited | Construction | 2004 |
| Dyson Powder Coatings Limited | Professional & scientific | 1998 |
| Dzsoki Ltd | Information & communication | 2023 |