| Dkms Distributors Limited | Wholesale & retail | 2025 |
| DL Ventures Limited | Real estate | 2020 |
| Dlas (Manchester) Limited | Real estate | 2018 |
| Dlec NW Limited | Professional & scientific | 2022 |
| DLP (UK) Limited | Professional & scientific | 2007 |
| DLP Legal Limited | Professional & scientific | 2008 |
| DLS Installations NW Limited | Construction | 2020 |
| DM & F Consulting Limited | Administrative & support | 2020 |
| DM Plant Services Ltd | Manufacturing | 2016 |
| DMC Surveying Ltd | Professional & scientific | 2025 |
| DMC Surveying NW Ltd | Construction | 2026 |
| DMC64 Limited | Construction | 2017 |
| DMD Partners Limited | Administrative & support | 2023 |
| DMH Recruitment Ltd | Administrative & support | 2025 |
| DMI Transport Ltd | Transport & logistics | 2019 |
| Dmnp Properties Limited | Real estate | 2021 |
| DMS Consultancy (UK) Limited | Professional & scientific | 2009 |
| DMS Electrical Services (NW) Ltd | Other services | 2018 |
| DN Manley Ltd | Information & communication | 2009 |
| DO Something Different Ltd | Professional & scientific | 2010 |
| Dockside Aparthotel Ltd | Real estate | 2023 |
| Doctech Limited | Information & communication | 2021 |
| Document Management Technology Limited | Information & communication | 1984 |
| Dode Properties Ltd | Real estate | 2025 |
| Dodi Barber Limited | Construction | 2022 |
| Dog Training Weekly Magazine Limited | Information & communication | 2014 |
| Dogvision Records Ltd | Manufacturing | 2025 |
| Doherty Industries Ltd | Other services | 2025 |
| Doing RA Online Ltd | Wholesale & retail | 2025 |
| Domaintrust Ltd. | Information & communication | 2016 |
| Domesticare Rentals Limited | Administrative & support | 2005 |
| Dommekuscare Limited | Wholesale & retail | 2021 |
| Domsun Developments Limited | Construction | 2005 |
| Domus Amata Ltd | Real estate | 2026 |
| Doorco 24/7 Ltd | Manufacturing | 2016 |
| Dootson Pneumatics Ltd | Manufacturing | 2012 |
| Dorit Power Ltd | Wholesale & retail | 2026 |
| Double C Services Limited | Hospitality | 2026 |
| Double H Financial Services Limited | Financial services | 2004 |
| Double R Consulting Ltd | Manufacturing | 2016 |
| Dough to Door Limited | Hospitality | 2021 |
| Dougill Fire Appliance Company Limited | Professional & scientific | 2002 |
| Dove Stone Capital Ltd | Real estate | 2020 |
| DOVEDALE65 Ltd | Real estate | 2022 |
| Dovestone Construction Limited | Construction | 2021 |
| Dower Logistics Group Ltd | Financial services | 2022 |
| Downham Rose Nominees Limited | Extraterritorial | 1988 |
| Downham Train Epstein Limited | Extraterritorial | 1992 |
| DP Offload Limited | Information & communication | 2025 |
| DPD Falcon Ltd | Transport & logistics | 2024 |
| DPI Bros. Limited | Financial services | 2013 |
| DPS Property Solutions Ltd | Construction | 2025 |
| DR Asiyahs Clinic Ltd | Health & social care | 2019 |
| DR Awan Ltd | Health & social care | 2025 |
| DR Drip Ltd | Wholesale & retail | 2025 |
| DR J Vlies Ltd | Health & social care | 2014 |
| DR Michael B Schauder Psychological Services Ltd | Health & social care | 2005 |
| DR NAZ Medical Services Ltd | Health & social care | 2020 |
| DR Scott J Cooper Ltd | Health & social care | 2024 |
| DR. ROW Health Food Ltd | Other services | 2020 |
| Draculime Ltd | Wholesale & retail | 2018 |
| Dragon Recruitment Ltd | Administrative & support | 2024 |
| Dragonfly Leasing Ltd | Administrative & support | 2024 |
| Dramatix Ltd | Education | 2024 |
| Drape and Dwell Ltd | Wholesale & retail | 2025 |
| Draper Property Developments Limited | Construction | 2008 |
| Dream AI Holdings Ltd | Financial services | 2023 |
| Dream Big Little One Ltd | Education | 2017 |
| Dream Lounge Furnishing Ltd | Wholesale & retail | 2024 |
| Dreambank Systems Ltd | Information & communication | 2007 |
| Dreamcakes Ltd | Manufacturing | 2023 |
| Dreamdegrees Ltd | Education | 2026 |
| Dreamzone Ltd | Wholesale & retail | 2026 |
| Drednought Limited | Extraterritorial | 2005 |
| Drew White Limited | Real estate | 1993 |
| Drillwave Limited | Construction | 2007 |
| Drimmeen Limited | Real estate | 2025 |
| Drive Dental Consulting Ltd | Other services | 2018 |
| Drive X Capital Limited | Administrative & support | 2026 |
| Drivesdirect Ltd | Construction | 2021 |
| Drivetime Autohaus Ltd | Wholesale & retail | 2025 |
| Driving Jobs Direct Ltd | Administrative & support | 2024 |
| Driving Lessons 4U Limited | Education | 2018 |
| DRM Industrial Fabrics Limited | Manufacturing | 2023 |
| DRM Lettings Limited | Real estate | 2026 |
| Drsk Healthcare Limited | Health & social care | 2025 |
| DRX Motors Ltd | Wholesale & retail | 2025 |
| DRY Guard UK Limited | Construction | 2025 |
| DRY North Surveying Limited | Construction | 2026 |
| Drylining Bury Limited | Construction | 2021 |
| Drywall Supplies Ltd | Wholesale & retail | 2025 |
| DS Car Rentals Limited | Other services | 2023 |
| Dsbp Limited | Construction | 2020 |
| Dsco Services Ltd | Construction | 2024 |
| DSE Private Lettings Limited | Real estate | 2025 |
| DSF DER Securityfuchs GmbH | Information & communication | 2015 |
| Dsop Limited | Other services | 2019 |
| DT Resources Limited | Education | 2015 |
| Dtbwaste Limited | Water & waste | 2024 |
| DTD Bury Limited | Wholesale & retail | 2023 |