| Dragon Stonework Ltd | Construction | 2018 |
| Dragondealz Ltd | Financial services | 2018 |
| Dragos Grup Ltd | Transport & logistics | 2023 |
| Drammeh Express Limited | Wholesale & retail | 2023 |
| Drapero Ltd | Transport & logistics | 2024 |
| Drathmore Limited | Construction | 2007 |
| Draxen Group Ltd | Real estate | 2026 |
| Drazhi Construction Ltd | Construction | 2021 |
| Dream Garden Services Ltd | Administrative & support | 2020 |
| Dream Home Property Refurb Limited | Construction | 2025 |
| Dream N Art Collection Ltd | Wholesale & retail | 2015 |
| Dream Orbit Ltd | Wholesale & retail | 2026 |
| Dream Property Developer Ltd | Real estate | 2024 |
| Dream Team Contract Limited | Construction | 2016 |
| DREAM2SUCCESS C.I.C. | Other services | 2022 |
| Dreaming Big Together Ltd | Information & communication | 2023 |
| Dreams Delight 2 Ltd | Real estate | 2025 |
| Dreamscape Investments Limited | Real estate | 2024 |
| Dreamstylekitchens Ltd | Construction | 2022 |
| Dreamy Bakes Ltd | Manufacturing | 2024 |
| Dreamy Tales Ltd. | Education | 2016 |
| Dreamy Treats LDN Limited | Manufacturing | 2024 |
| Dreamzs Corp Ltd | Real estate | 2024 |
| Drews Property Maintenance Limited | Construction | 2014 |
| Drill OR NO Drill Ltd | Construction | 2025 |
| Dripdrophq Limited | Wholesale & retail | 2025 |
| Dripmart Ltd | Wholesale & retail | 2025 |
| Dripship Limited | Wholesale & retail | 2020 |
| Driscoll Metal Finishing Limited | Administrative & support | 2011 |
| Dritan Freshair Care Limited | Construction | 2011 |
| Drive Corporate Limited | Wholesale & retail | 2020 |
| Drive Dynasty Ltd | Wholesale & retail | 2025 |
| Drive Instead Limited | Education | 2025 |
| Drivewise Solutions Limited | Information & communication | 2025 |
| Drizzled Limited | Other services | 2018 |
| DRM Communications Ltd | Information & communication | 2011 |
| DRM Outsource Solutions UK Ltd | Administrative & support | 2021 |
| Drnchd Limited | Wholesale & retail | 2025 |
| Drood FX Ltd | Wholesale & retail | 2025 |
| Dropbuy Limited | Information & communication | 2021 |
| Drophex Logistics Ltd | Transport & logistics | 2025 |
| Dropstone Consulting Limited | Professional & scientific | 1983 |
| DRS Collections Ltd | Wholesale & retail | 2025 |
| DRS GAS Services Limited | Construction | 2017 |
| Drsportsclinic Ltd | Health & social care | 2023 |
| Drumblair Consulting Ltd | Health & social care | 2015 |
| Drxw Gaming Consultancy Ltd | Information & communication | 2025 |
| Drylining M.A Ltd | Construction | 2018 |
| Dryv App Ltd | Information & communication | 2026 |
| DS Building & Construction Limited | Construction | 2015 |
| DS Civil Engineers Ltd | Construction | 2021 |
| DS Furnishing Limited | Wholesale & retail | 2023 |
| DS Scaffolding Limited | Construction | 2010 |
| Dsbrantuo Limited | Other services | 2015 |
| DSC 360 Ltd | Administrative & support | 2023 |
| Dscg Ltd | Agriculture & fishing | 2015 |
| DSE Construction Limited | Construction | 2022 |
| DSF Entertainment Ltd | Arts & recreation | 2022 |
| DSK Traders Ltd | Transport & logistics | 2026 |
| DSM Interior Ltd | Construction | 2013 |
| DSV Corporate Limited | Professional & scientific | 2025 |
| DT Saungweme Ltd | Administrative & support | 2023 |
| Dtech Agency Ltd | Information & communication | 2020 |
| DTI Construction Ltd | Construction | 2022 |
| DTO Consulting Limited | Professional & scientific | 2026 |
| DTW Transport Services Ltd | Transport & logistics | 2024 |
| DU Health Care & Training Ltd | Professional & scientific | 2022 |
| Du'A Foods Ltd | Wholesale & retail | 2013 |
| DUA Autos Ltd | Wholesale & retail | 2020 |
| DUA Halal Foods Ltd | Wholesale & retail | 2024 |
| DUA Holdings Ltd | Real estate | 2022 |
| Duaa Traders Limited | Real estate | 2022 |
| Duaaz Investments Ltd | Real estate | 2022 |
| Dual Line Rope Access Ltd | Construction | 2021 |
| DUB Grill Ltd | Wholesale & retail | 2019 |
| Dubafrique UK Parties and Events Ltd | Information & communication | 2023 |
| Dubai Real Estate and Management Ltd | Administrative & support | 2026 |
| Duca Services Ltd | Other services | 2015 |
| Ducanu Delivery Services Ltd | Transport & logistics | 2024 |
| Ducav Ltd | Construction | 2014 |
| Duckwood Management Company Limited | Households | 2015 |
| Ducu Property Development Ltd | Real estate | 2025 |
| Dudy Transport Ltd | Transport & logistics | 2019 |
| DUE Logistics Limited | Other services | 2025 |
| Duffield Thermal Insulation Ltd | Construction | 2025 |
| Duggan Developments Limited | Construction | 2016 |
| Duke of Charm Limited | Wholesale & retail | 2018 |
| Dukes Financial Planning LLP | | 2006 |
| Dulce Dreams Ltd | Hospitality | 2025 |
| Dulce Limited | Wholesale & retail | 2013 |
| Dulcie Ltd | Information & communication | 2024 |
| Dulux Cars Ltd | Wholesale & retail | 2022 |
| Dulwich Electrical Contractors Limited | Construction | 2016 |
| DUN Dealers Limited | Wholesale & retail | 2011 |
| Dunel Limited | Hospitality | 2023 |
| Dunn Interiors & Property Management Ltd | Real estate | 2024 |
| Dunney Gold & Fabrics Ltd | Health & social care | 2020 |
| DUO PM Ltd | Real estate | 2022 |
| Duplepoint Technologies Limited | Information & communication | 2011 |
| Duronic Limited | Extraterritorial | 2013 |