| Dovecote Gardens Residents Association (NO 2) Limited | Households | 1991 |
| Dovecote Vale Management Company Limited | Households | 2025 |
| Dovedale Fleet Logistics Limited | Transport & logistics | 2019 |
| Dovetailed Limited | Information & communication | 2011 |
| Dowswell Productivity Services Ltd | Professional & scientific | 2019 |
| Doxy 2.0 Limited | Wholesale & retail | 2025 |
| Doyen Creative Limited | Professional & scientific | 2010 |
| DP Cakes & Shakes Ltd | Hospitality | 2025 |
| DP Capital Research & Consultancy Ltd | Other services | 2023 |
| DP Garage Ltd | Manufacturing | 2023 |
| Dpclinic Ltd | Health & social care | 2020 |
| DPJ Investment Holdings Ltd | Financial services | 2026 |
| DPO GGG123 Ltd | Extraterritorial | 2022 |
| DPP Logistics Company Ltd | Transport & logistics | 2023 |
| DPR Beauty Ltd | Wholesale & retail | 2026 |
| DPT Trans Ltd | Transport & logistics | 2023 |
| DR Adeyemiad and Partners Ltd | Health & social care | 2025 |
| DR Buildforce Ltd | Construction | 2025 |
| DR C H Macmillan Limited | Health & social care | 2012 |
| DR D Stevens Medical Services Ltd | Health & social care | 2014 |
| DR Deeksha's Aesthetics Ltd | Health & social care | 2024 |
| DR Hajir Limited | Professional & scientific | 2009 |
| DR Products Limited | Wholesale & retail | 2023 |
| DR Talbot Psychology Limited | Education | 2026 |
| Dr&F Limited | Transport & logistics | 2018 |
| Dr-Ducting System Ltd | Construction | 2021 |
| Draftworks Design Ltd | Professional & scientific | 2026 |
| Dragon Green 2 Renewables Ltd | Professional & scientific | 2023 |
| Dragon Green 7 Renewables Ltd | Professional & scientific | 2023 |
| Dragonfly Corporation Limited | Real estate | 2019 |
| Dragonfly IT Ltd | Information & communication | 2024 |
| Dragonwood Limited | Wholesale & retail | 2017 |
| Dragonwood Properties Limited | Real estate | 2023 |
| Dragos Beciu K9 Ltd | Administrative & support | 2025 |
| Dragos Paduroiu Limited | Transport & logistics | 2014 |
| Dragosmirea Limited | Construction | 2019 |
| Draig Developments Ltd | Wholesale & retail | 2004 |
| Drain Servopipe Ltd | Construction | 2026 |
| Drake and Partners Building Consultancy Ltd | Construction | 2024 |
| Drake and Partners LLP | | 2011 |
| Drake Digital Creations Limited | Professional & scientific | 2020 |
| Drakh 5 Ltd | Real estate | 2024 |
| Drapery 31 Ltd | Real estate | 2026 |
| Dravens Healthcare Ltd | Other services | 2016 |
| Draw.Io Ltd | Administrative & support | 2000 |
| Draybuck Building Services Ltd | Construction | 2022 |
| Drayton Automation Limited | Construction | 2021 |
| DRC Building Contractors Limited | Construction | 2011 |
| DRC Health Professionals Limited | Financial services | 2021 |
| DRE Transporte Ltd | Transport & logistics | 2026 |
| Dream Cars IC Ltd Ltd | Wholesale & retail | 2026 |
| Dream Design Limited | Extraterritorial | 2016 |
| Dream Dine Ltd | Hospitality | 2014 |
| Dream Girls Ltd | Wholesale & retail | 2026 |
| Dream Inc. Limited | Financial services | 2026 |
| Dream Nails by Kristina Ltd | Other services | 2026 |
| Dream Shelter Ltd | Real estate | 2026 |
| Dream Transport Solutions Ltd | Transport & logistics | 2014 |
| Dream View Landscapes Ltd | Administrative & support | 2007 |
| Dream-Care Living Support Ltd | Health & social care | 2022 |
| Dreambrew Limited | Professional & scientific | 2024 |
| Dreamcorp Fitness Ltd | Arts & recreation | 2016 |
| Dreamive Ltd | Information & communication | 2024 |
| Dreams Coffee Lounge Ltd | Hospitality | 2025 |
| Dreamstructures Limited | Real estate | 2015 |
| Dreamverse Limited | Information & communication | 2025 |
| Dredging Equipment Ltd | Administrative & support | 2010 |
| Dreelan Construction Limited | Construction | 2011 |
| Drejet Global Resources Ltd | Wholesale & retail | 2018 |
| Drepher Homes Limited | Construction | 2014 |
| Driechi Ltd | Administrative & support | 2025 |
| Driftwood Vintage Furniture Ltd | Wholesale & retail | 2016 |
| Driso Holdings Ltd | Extraterritorial | 2020 |
| Drive 55 Ltd | Professional & scientific | 2025 |
| Drivecraft Tuition Ltd | Education | 2025 |
| DRIVENBYPABLO285 Ltd | Transport & logistics | 2023 |
| Driver & Instructor Training Services Limited | Education | 2024 |
| Driver Go Ltd | Transport & logistics | 2015 |
| Driverprime Ltd | Transport & logistics | 2026 |
| Drivers Credit Account Ltd | Wholesale & retail | 2019 |
| Drivers Only Ltd | Other services | 2021 |
| Driving Skills Academy Ltd | Education | 2021 |
| Driving Solutions ADI Ltd. | Education | 2015 |
| DRM Scaffolding Limited | Construction | 2018 |
| Drmg Ltd | Transport & logistics | 2019 |
| Drmklm Holdings Limited | Financial services | 2024 |
| Drobo 73 Ltd | Transport & logistics | 2019 |
| Drone Defence Technology Ltd | Information & communication | 2024 |
| Dronelab Academy Ltd | Education | 2026 |
| Dronlex Supplies Ltd | Wholesale & retail | 2019 |
| Drop Drip Enterprises Ltd | Wholesale & retail | 2022 |
| Dropstep Limited | Wholesale & retail | 2024 |
| DRR Technologies Ltd | Wholesale & retail | 2025 |
| Drrs Trans Ltd | Transport & logistics | 2024 |
| Drummers Link Ltd | Education | 2022 |
| Drums School Finders Ltd | Education | 2020 |
| Drumstick Bar-B-Ques Limited | Real estate | 1971 |
| Drury Accountants Limited | Professional & scientific | 2024 |
| DRW Enterprise Holdings Ltd | Professional & scientific | 2026 |
| Drxco Limited | Professional & scientific | 2022 |