| Divergents Care Ltd | Health & social care | 2023 |
| Diverse Performance Systems Limited | Manufacturing | 2018 |
| Divine House Ltd | Real estate | 2022 |
| Divine Insight Global Limited | Construction | 2026 |
| Divine Light Care Limited | Health & social care | 2014 |
| Divine PVT Ltd | Transport & logistics | 2017 |
| Divine Sussex Limited | Real estate | 2018 |
| Divine Wight Limited | Real estate | 2018 |
| Dixon Racing Team Limited | Arts & recreation | 2014 |
| Diyldo Ltd | Wholesale & retail | 2023 |
| DIZ GAS Ltd | Construction | 2011 |
| Dizzyfeet Dancing Ltd | Arts & recreation | 2018 |
| DJ Community Sports CIC | Arts & recreation | 2025 |
| DJ Develop and Solve (Property) Ltd | Real estate | 2024 |
| DJ Develop and Solve Ltd | Construction | 2019 |
| DJ Helps GAS Services Ltd | Construction | 2024 |
| DJ Holdco Limited | Professional & scientific | 2022 |
| DJ Motor Cars Limited | Wholesale & retail | 2018 |
| DJ Sports Southampton Ltd | Education | 2023 |
| Dj's Cleans Ltd | Administrative & support | 2022 |
| DJC Carpentry and Joinery Ltd | Manufacturing | 2023 |
| DJL Hire Ltd | Administrative & support | 2023 |
| DJL Home Design & Build Limited | Construction | 2016 |
| DJM Couriers Ltd | Transport & logistics | 2013 |
| DJM Interior Joinery and Building Specialist Limited | Manufacturing | 2026 |
| DJM Restaurants Ltd | Hospitality | 2026 |
| DJN Groundwork’S Ltd | Construction | 2021 |
| DJP Marketing Services Ltd | Wholesale & retail | 2020 |
| Djrw Ltd | Professional & scientific | 2022 |
| DJW Trades Ltd | Manufacturing | 2023 |
| DK Fortius Limited | Health & social care | 2025 |
| DK South Building Services Ltd | Construction | 2023 |
| DK Trading Services Ltd | Other services | 2017 |
| DK2 Limited | Wholesale & retail | 2019 |
| DKC Hair Lounge Limited | Other services | 2020 |
| DKG Trans Ltd | Transport & logistics | 2016 |
| DKM Lettings Limited | Real estate | 2017 |
| Dktdraughting Ltd | Professional & scientific | 2024 |
| Dlap Holdings Limited | Financial services | 2026 |
| DLC Registered Farrier Ltd | Agriculture & fishing | 2025 |
| DLM Display Limited | Other services | 2000 |
| Dlnc Solutions Limited | Professional & scientific | 2017 |
| DLR Southern Construction Ltd | Construction | 2025 |
| DLS Consulting (UK) Limited | Information & communication | 2007 |
| DLS Formwork Ltd | Construction | 2019 |
| DLS Property Group Limited | Real estate | 2026 |
| Dlssix Limited | Construction | 2023 |
| Dlstardriver Ltd | Other services | 2021 |
| DLV Consultants Limited | Professional & scientific | 2021 |
| Dlvr IT Limited | Transport & logistics | 2023 |
| DM Electrical (Southern) Ltd | Construction | 2025 |
| DM IT and Office Print Solutions Ltd | Information & communication | 2017 |
| DM Welcome Stays Ltd | Hospitality | 2025 |
| DM4 Limited | Information & communication | 2013 |
| DMC Carpentry Limited | Manufacturing | 2020 |
| DME Electrical Ltd | Construction | 2016 |
| DMG Commercial Finance Limited | Financial services | 2015 |
| DMG Contracting Limited | Construction | 2012 |
| DMJ & Associates Limited | Professional & scientific | 2015 |
| DMN Consult Ltd. | Professional & scientific | 2021 |
| DMN Interior Ltd | Construction | 2013 |
| DMP Car Repairs Ltd | Wholesale & retail | 2024 |
| DMP Plumbing & Heating Limited | Construction | 2018 |
| DMS Fasteners Ltd | Manufacturing | 2025 |
| DMS Landholdings Limited | Construction | 2017 |
| DMS Property Maintenance Ltd | Construction | 2024 |
| DMS Sales UK Limited | Professional & scientific | 2021 |
| Dmsurv Ltd | Professional & scientific | 2022 |
| DMV Technology Ltd. | Information & communication | 2016 |
| DMV Telecom Ltd | Information & communication | 2023 |
| DMW Legal Services Limited | Other services | 2023 |
| DMW PMO Services Limited | Professional & scientific | 2013 |
| Dmwsl 612 Limited | Real estate | 2009 |
| DN Carpentry Ltd | Construction | 2023 |
| DNA Accountancy Services Ltd | Professional & scientific | 2019 |
| DNA Commerce Ltd | Wholesale & retail | 2021 |
| DNA Electrical & Property Services Limited | Construction | 2018 |
| Dnanudge Limited | Health & social care | 2015 |
| DND Green Ltd | Wholesale & retail | 2024 |
| DNH Logistics Limited | Other services | 2016 |
| DNN Developments Ltd | Construction | 2022 |
| DNN Homes Ltd | Real estate | 2025 |
| DNR Electrical Hampshire Ltd | Construction | 2019 |
| DNT Contractors Ltd | Transport & logistics | 2021 |
| Dnwa Group Ltd | Professional & scientific | 2026 |
| DNZ 35 Limited | Hospitality | 2026 |
| DO the Numbers Limited | Professional & scientific | 2011 |
| Doability.Ai Ltd | Professional & scientific | 2024 |
| Doandi Ltd | Real estate | 2025 |
| Dobbins Bobbins Limited | Wholesale & retail | 2021 |
| Doce Limited | Transport & logistics | 2019 |
| Dockerill Consultants Limited | Professional & scientific | 2008 |
| Dockerill Services Ltd | Financial services | 2014 |
| Dockside Global Limited | Wholesale & retail | 2014 |
| Doctmarketing Ltd | Information & communication | 2025 |
| Doctors Home Ltd | Real estate | 2020 |
| Documation Ltd | Information & communication | 1996 |
| Documation Software Limited | Information & communication | 1990 |
| DOD GAS Service Ltd | Construction | 2017 |
| Doddle Software Limited | Information & communication | 2025 |