| Driving Tests NOW Limited | Wholesale & retail | 2024 |
| Driving Truck Ltd | Transport & logistics | 2024 |
| Drln Holdings Ltd | Professional & scientific | 2021 |
| Drogano Limited | Wholesale & retail | 2026 |
| Drone Force Ltd | Administrative & support | 2026 |
| Drone Madness Limited | Information & communication | 2019 |
| Drone Tech Aerospace Ltd | Information & communication | 2014 |
| Drop Cult Ltd | Manufacturing | 2026 |
| Drop IT Like It's Hot Ltd | Transport & logistics | 2025 |
| Drop Profit Ltd | Wholesale & retail | 2025 |
| Drop Ship AES Limited | Other services | 2022 |
| Drop Shot Properties Limited | Real estate | 2019 |
| Dropboutique Ltd | Wholesale & retail | 2025 |
| Droplux Ltd | Wholesale & retail | 2025 |
| Dropouts Digital Ltd | Wholesale & retail | 2020 |
| Droppgram Ltd | Wholesale & retail | 2025 |
| Dropprime Ltd | Wholesale & retail | 2025 |
| Dropthreadz Limited | Wholesale & retail | 2025 |
| Dropveil Ltd | Wholesale & retail | 2025 |
| Dropvibe Hub Ltd | Wholesale & retail | 2025 |
| Drovantis Ltd | Wholesale & retail | 2025 |
| Drover's Meadow Limited | Households | 2018 |
| DRS Consulting Limited | Professional & scientific | 2025 |
| Drug and Alcohol Screening Ltd | Administrative & support | 2017 |
| Drugs Training . COM Limited | Education | 2010 |
| Druid Technology Limited | Professional & scientific | 2021 |
| Druids Hardware Limited | Wholesale & retail | 2016 |
| Druidstone Associates Ltd | Other services | 2013 |
| Druidstone Construction Limited | Wholesale & retail | 2004 |
| Druidstone Developments Limited | Construction | 2017 |
| Druidstone Homes Ltd | Real estate | 2020 |
| Druidstone Management Limited | Real estate | 1991 |
| Drum Depot Limited | Wholesale & retail | 2011 |
| Drumazon Limited | Wholesale & retail | 2017 |
| Drumscot Limited | Real estate | 2022 |
| Druneev Limited | Construction | 2018 |
| Drury-Smith Limited | Health & social care | 2023 |
| DRW Research Ltd. | Information & communication | 2013 |
| DRY Basements North Limited | Construction | 2026 |
| DRY Flame Ltd | Wholesale & retail | 2025 |
| Dryden Estates Property Services Ltd | Real estate | 2015 |
| Drylimb Ltd | Health & social care | 2015 |
| Dryline London Ltd | Construction | 2024 |
| Drysgol Heights Development Ltd | Real estate | 2019 |
| Drywall Innovation Limited | Construction | 2016 |
| DS & Co Holdings Ltd | Real estate | 2025 |
| DS Construction (ST Athan) Limited | Construction | 2018 |
| DS Consult Ltd | Information & communication | 2019 |
| DS Cozy Homes Limited | Hospitality | 2025 |
| DS Development Solutions Limited | Professional & scientific | 2012 |
| DS Electrical Contractors (Kent) Ltd | Construction | 2007 |
| DS Focused Solutions Ltd | Administrative & support | 2022 |
| DS Healthcare Solutions Ltd | Professional & scientific | 2018 |
| DS Holdings (Penarth) Ltd | Real estate | 2015 |
| DS Product Service Limited | Extraterritorial | 2018 |
| DS Properties (Barry) Limited | Construction | 2016 |
| DS Properties (Goods Shed) Limited | Construction | 2018 |
| DS Properties (Newport Market) Limited | Construction | 2019 |
| DS SYS Ltd | Professional & scientific | 2017 |
| DS01 Ltd | Wholesale & retail | 2025 |
| DSA Legal Ltd | Other services | 2020 |
| Dsaycarolin Limited | Manufacturing | 2023 |
| DSB92 Ltd | Administrative & support | 2023 |
| DSC Health Ltd | Health & social care | 2018 |
| DSC Medical Ltd | Professional & scientific | 2025 |
| Dscp Ltd | Financial services | 2018 |
| DSD Design Holding Ltd | Professional & scientific | 2020 |
| DSE Rentals Limited | Real estate | 2026 |
| Dsection Ltd | Wholesale & retail | 2025 |
| DSF Trading Ltd | Wholesale & retail | 2025 |
| DSG Direct Retail Limited | Information & communication | 2011 |
| DSG Scaffolding Limited | Construction | 2022 |
| DSG Wholesale Ltd | Wholesale & retail | 2018 |
| DSJ Properties Limited | Real estate | 2024 |
| DSK Cafe Limited | Hospitality | 2016 |
| DSK Logistics Payroll 2 Ltd | Administrative & support | 2021 |
| DSK Technician Limited | Manufacturing | 2016 |
| Dskecomgroup Limited | Wholesale & retail | 2025 |
| DSL Cleaning Solutions Limited | Administrative & support | 2023 |
| DSM Waste Recycling Ltd | Water & waste | 2017 |
| Dsml Holdings Ltd | Financial services | 2022 |
| Dsms-Uk Limited | Information & communication | 2018 |
| DSO Solutions | Professional & scientific | 2022 |
| Dsone Ltd | Wholesale & retail | 2020 |
| DSP Asset Management Ltd | Households | 2020 |
| DSR Garage Services Ltd | Wholesale & retail | 2020 |
| DSR PVT Ltd | Manufacturing | 2023 |
| DST Refinishing Limited | Manufacturing | 2016 |
| Dsunderwear Limited | Wholesale & retail | 2019 |
| Dswuqv Mart Ltd | Wholesale & retail | 2025 |
| DT Dryliner & Construction Ltd | Construction | 2022 |
| DT Facilities & Services Ltd | Administrative & support | 2015 |
| DT Joinery Ltd | Construction | 2017 |
| DT Logistics Services Ltd | Construction | 2019 |
| DT Nails HT Ltd | Other services | 2023 |
| DT Optical Limited | Health & social care | 2018 |
| DT Renewables Ltd | Wholesale & retail | 2019 |
| DT Swimming Accessories Ltd | Arts & recreation | 2022 |
| DT Williams & SON LP | | 2011 |
| Dtads Ltd | Information & communication | 2017 |