| DJ Sales Ltd | Wholesale & retail | 2025 |
| DJ Tyres Limited | Wholesale & retail | 2022 |
| DJ Williams Communications Limited | Professional & scientific | 2013 |
| Dj-Papc Limited | Information & communication | 2018 |
| DJA Planning Ltd | Construction | 2018 |
| DJC Capital Holdings Limited | Professional & scientific | 2024 |
| DJC Consulting Services Limited | Professional & scientific | 2025 |
| DJC Data Analysis Ltd | Information & communication | 2018 |
| DJC Financial Solutions Ltd | Financial services | 2012 |
| DJD QA Limited | Financial services | 2013 |
| DJD QCA Limited | Financial services | 2022 |
| DJE Developments Limited | Manufacturing | 2014 |
| DJG Plumbing & Building Limited | Construction | 2016 |
| Djgw Consulting Ltd | Professional & scientific | 2018 |
| Djjk Limited | Real estate | 2024 |
| Djkd Ltd | Wholesale & retail | 2024 |
| Djknxio Limited | Wholesale & retail | 2021 |
| DJL Geological Consulting Limited | Professional & scientific | 2015 |
| Djle Ltd | Information & communication | 2022 |
| DJM Construction Solutions Limited | Manufacturing | 2016 |
| DJM Interim Finance Limited | Professional & scientific | 2009 |
| DJP Lettings Limited | Real estate | 2021 |
| DJR Security Ltd | Administrative & support | 2020 |
| DJS AI Ltd | Information & communication | 2025 |
| DJS Allworks Limited | Construction | 2016 |
| Djts Enterprises Limited | Hospitality | 2016 |
| DJW Advisory Limited | Other services | 2022 |
| DJW Rigging & Logistics Limited | Information & communication | 2014 |
| DK Transport (London) Ltd | Transport & logistics | 2019 |
| Dk-Optic Ltd | Wholesale & retail | 2026 |
| DKA Consultants Ltd | Professional & scientific | 2015 |
| Dkam Consultants Ltd | Administrative & support | 2016 |
| Dkarez Community Support CIC | Health & social care | 2026 |
| Dkcs Harris Property Ltd | Real estate | 2026 |
| DKG Team Ltd | Professional & scientific | 2016 |
| Dkhbl Ltd | Wholesale & retail | 2025 |
| Dkiloy Technology Co., Ltd | Extraterritorial | 2021 |
| Dklong Limited | Wholesale & retail | 2021 |
| DKM Renovation Limited | Construction | 2017 |
| DKM Tech Ltd | Information & communication | 2019 |
| Dkmw Limited | Wholesale & retail | 2019 |
| DKP Properties Limited | Real estate | 2006 |
| DL Anaesthetics Limited | Health & social care | 2021 |
| DLE Group Ltd | Other services | 2025 |
| Dlem Market Ltd | Wholesale & retail | 2026 |
| Dlhall Ltd | Administrative & support | 2022 |
| Dlingian Limited | Wholesale & retail | 2025 |
| Dlkfed Ltd | Manufacturing | 2026 |
| DLM Exhibitions Ltd | Manufacturing | 2015 |
| DLM Innovations Limited | Health & social care | 2016 |
| DLM Ltd | Administrative & support | 2024 |
| DLM Transport Cardiff Limited | Transport & logistics | 2018 |
| DLM Tree Services Ltd | Administrative & support | 2023 |
| Dlnfra Ltd | Professional & scientific | 2021 |
| DLO FIX Ltd | Wholesale & retail | 2026 |
| DLP Architecture Ltd | Professional & scientific | 2012 |
| DLP Commercial Limited | Administrative & support | 2025 |
| DLR Contracts Limited | Administrative & support | 2017 |
| DLR Mechanical Ltd | Manufacturing | 2018 |
| DLT Group Ltd | Professional & scientific | 2019 |
| Dltech Consulting Ltd | Information & communication | 2020 |
| Dlux IT Ltd | Information & communication | 2011 |
| Dlux Lighting Ltd | Construction | 2013 |
| DLW Group Ltd | Manufacturing | 2015 |
| DLW Partners LLP | | 2025 |
| DM Academy Limited | Education | 2021 |
| DM Dend Ltd | Health & social care | 2025 |
| DM Engineering(Uk) Ltd | Construction | 2016 |
| DM Hutson Services Limited | Public administration | 2013 |
| DM Krak Properties Ltd | Real estate | 2022 |
| DM LU Limited | Real estate | 2016 |
| DM Power & Controls Limited | Professional & scientific | 2025 |
| DM Realty Ltd | Real estate | 2025 |
| DM Solar Limited | Energy | 2013 |
| DM Stores Limited | Wholesale & retail | 2015 |
| DM Unsigned Ltd | Information & communication | 2018 |
| DM. Stratos Ltd. | Professional & scientific | 2016 |
| DM3 Group Ltd | Administrative & support | 2017 |
| Dmac Property LLP | | 2019 |
| Dmartuk Ltd | Wholesale & retail | 2023 |
| DMB Holdings Limited | Construction | 2015 |
| DMB Limited | Professional & scientific | 2003 |
| DMB Property Limited | Real estate | 2016 |
| DMC Brickwork & Home Improvement Ltd | Construction | 2019 |
| DMD Cardiff Ltd | Transport & logistics | 2019 |
| DMF Financial Limited | Financial services | 2020 |
| DMG Publications Ltd | Information & communication | 2023 |
| DMJ Consulting Limited | Administrative & support | 2010 |
| DMK Waymakers Ltd | Real estate | 2025 |
| DML Property Solutions Ltd | Construction | 2026 |
| DMM Legal Services (CQ) Limited | Professional & scientific | 2020 |
| DMM Legal Services Limited | Professional & scientific | 2015 |
| DMN Brickwork Limited | Construction | 2014 |
| Dmoj 2025 Limited | Wholesale & retail | 2025 |
| DMP Construction Services Ltd | Construction | 2021 |
| DMR Comms Limited | Information & communication | 2016 |
| DMS (New Romney) Ltd | Wholesale & retail | 2018 |
| DMS Property Services Limited | Real estate | 2022 |
| Dmsh Properties Ltd | Households | 2025 |
| DMT Group Ltd | Construction | 2019 |