| Drayton Parslow Sports and Social Club Limited | Arts & recreation | 2001 |
| Drayton Sheep Farming Limited | Agriculture & fishing | 2021 |
| DRB Roofing and Building Ltd | Construction | 2025 |
| Drcmk Consulting Limited | Information & communication | 2024 |
| Dread Group Ltd | Manufacturing | 2020 |
| Dreal Construction Limited | Construction | 2023 |
| Dream Home Appliance Ltd | Wholesale & retail | 2024 |
| Dream Homes Distribution Limited | Wholesale & retail | 2020 |
| Dream Team AI Ltd | Financial services | 2022 |
| Dream Wings Trade Ltd | Wholesale & retail | 2025 |
| Dreamcatcher Records Limited | Arts & recreation | 2006 |
| Dreamers Creative Agency Ltd | Administrative & support | 2021 |
| Dreamfair Limited | Information & communication | 2023 |
| Dreamplus Ltd | Real estate | 2021 |
| Dreamteamfinder.Com Limited | Information & communication | 2012 |
| Dreamworks Contractors Limited | Construction | 2017 |
| Dreamzit Limited | Information & communication | 2016 |
| Dreem Haven Limited | Real estate | 2017 |
| Drefyc (2024) Realisations Ltd | Information & communication | 2019 |
| Drengir Design Ltd | Wholesale & retail | 2025 |
| Drengr Ltd | Professional & scientific | 2022 |
| Drest Trading Limited | Information & communication | 2015 |
| Drew Interiors Limited | Construction | 2019 |
| Drewetts Wood-Shed Ltd | Manufacturing | 2017 |
| Drhhs Limited | Health & social care | 2024 |
| Dried Decor Flowers Ltd | Wholesale & retail | 2023 |
| Drinks Brokers Limited | Wholesale & retail | 2002 |
| Drinkwater Associates (UK) Limited | Administrative & support | 2008 |
| Dripfits.Fashion Ltd | Wholesale & retail | 2025 |
| Driscoll Holdings Limited | Financial services | 2022 |
| Driscoll Windows & Doors Ltd | Construction | 2020 |
| Drisk Limited | Real estate | 1995 |
| Drive 321 Ltd | Education | 2019 |
| Drivefficient Ltd | Other services | 2024 |
| Driveline Limited | Administrative & support | 2003 |
| Driven Well-Being Ltd | Information & communication | 2025 |
| Driver Europe Limited | Administrative & support | 2010 |
| Driver Medicals Ltd | Health & social care | 2021 |
| Driver's DEN Limited | Education | 2025 |
| Drivers 4 U (Southern) Limited | Administrative & support | 2006 |
| DRIVERS4HIREUK Ltd | Transport & logistics | 2025 |
| Drivestyle Commercial Limited | Wholesale & retail | 2025 |
| Drivestyle Truck and Van Limited | Wholesale & retail | 2003 |
| Drivewithmichael Ltd | Transport & logistics | 2019 |
| Driving Research Limited | Professional & scientific | 2007 |
| Drivinghelp Limited | Education | 2009 |
| Drivinginsights Ltd | Professional & scientific | 2026 |
| DRK Financial Ltd | Financial services | 2013 |
| Drmartingp Ltd | Health & social care | 2015 |
| Dronfield Pet Care Ltd | Wholesale & retail | 2014 |
| Dropgo Couriers Ltd | Transport & logistics | 2025 |
| Dropit Shopping Ltd | Transport & logistics | 2014 |
| Drrbs Limited | Information & communication | 2018 |
| Drsarahflowers.Com Ltd | Health & social care | 2018 |
| Drylining MD Ltd | Construction | 2019 |
| Dryy Impact CIC | Other services | 2025 |
| Dryy London Ltd | Information & communication | 2022 |
| DS Benefits Ltd | Professional & scientific | 2026 |
| DS Builders and Construction Services Ltd | Construction | 2021 |
| DS D.Control Limited | Administrative & support | 2022 |
| DS Dwellings Ltd | Real estate | 2023 |
| DS Informatics Ltd | Professional & scientific | 2018 |
| DS Motors (MK) Ltd | Wholesale & retail | 2015 |
| DS Property Investments LLP | | 2016 |
| DS Smart Solutions Limited | Professional & scientific | 2026 |
| Ds-Therapia Limited | Health & social care | 2016 |
| DSA Medical Solutions Ltd | Health & social care | 2018 |
| DSB Trading Limited | Wholesale & retail | 2012 |
| DSC Healthcare Trustees Limited | Professional & scientific | 2015 |
| DSD International Limited | Transport & logistics | 2026 |
| DSF Consulting Ltd | Professional & scientific | 2023 |
| DSL Plus Limited | Information & communication | 2009 |
| Dsnr Solutions Ltd | Information & communication | 2017 |
| DSS Rewards Ltd | Professional & scientific | 2024 |
| Dstacey Consulting Ltd | Information & communication | 2011 |
| DT Automation Ltd | Administrative & support | 2014 |
| DT Block Studio Ltd | Professional & scientific | 2025 |
| DT Industrial Group UK Limited | Construction | 2024 |
| DTB Barbershop MK Ltd | Other services | 2023 |
| DTE Holdings (North West) Ltd | Manufacturing | 2020 |
| DTE Trust Limited | Financial services | 2024 |
| Dtech MK Limited | Arts & recreation | 2015 |
| Dteq Asia Pacific Ltd | Information & communication | 2021 |
| Dteq Limited | Information & communication | 2000 |
| DTF Donut Limited | Wholesale & retail | 2025 |
| Dthk Holding Ltd | Financial services | 2021 |
| DTI Emea Limited | Administrative & support | 2011 |
| DTM Derivatives Limited | Information & communication | 2017 |
| DTM Lettings Ltd | Real estate | 2021 |
| DTM Property Services Ltd | Manufacturing | 2025 |
| Dtmsoft Ltd | Information & communication | 2013 |
| Dtmyoung Limited | Construction | 2019 |
| Dtsf Consulting Ltd | Information & communication | 2025 |
| Dualitas Holdings Ltd | Professional & scientific | 2018 |
| Dualitas Ltd. | Professional & scientific | 2016 |
| Dubenco Ltd | Information & communication | 2022 |
| Dubro Advisory Ltd | Professional & scientific | 2011 |
| Duchess Street Properties Limited | Real estate | 2010 |
| Duckworth House Limited | Financial services | 2023 |
| Dudley Homes Limited | Real estate | 2013 |