| Distrosoft Ltd | Other services | 2025 |
| Disturb Digital Ltd | Other services | 2017 |
| Ditidays Ltd | Wholesale & retail | 2025 |
| Ditta & Co. Agency Limited | Professional & scientific | 2025 |
| Diva Consultancy Limited | Wholesale & retail | 2009 |
| Diva Cosmetics Ltd | Wholesale & retail | 2014 |
| Diva Network Ltd | Professional & scientific | 2003 |
| Divaan Consultancy Ltd | Mining & quarrying | 2024 |
| Divan Investments Limited | Financial services | 2025 |
| Dive Into Digital Ltd | Information & communication | 2021 |
| Diversa Consultancy Limited | Professional & scientific | 2014 |
| Diverse Consultants Limited | Professional & scientific | 2023 |
| Divert Digital Limited | Administrative & support | 2009 |
| Divina Services Ltd | Information & communication | 2023 |
| Divine Afro Beauty Limited | Wholesale & retail | 2026 |
| Divine Angel Divisions Limited | Professional & scientific | 2025 |
| Divine Bloom Limited | Wholesale & retail | 2025 |
| Divine Health Services Limited | Health & social care | 2010 |
| Divine Logistics London Ltd | Transport & logistics | 2025 |
| Divine Perfume Ltd | Wholesale & retail | 2016 |
| Divine Property Ltd | Real estate | 2022 |
| Divine Stones Limited | Wholesale & retail | 2007 |
| Divinity Films Limited | Information & communication | 2021 |
| Divinity Funeral Care Ltd | Other services | 2020 |
| Divs Shopfittings Ltd | Construction | 2025 |
| Divyam Construction Limited | Construction | 2025 |
| Divyavision Limited | Administrative & support | 2007 |
| Diwas &Sons Ltd | Real estate | 2026 |
| Dixit's Savouries Limited | Hospitality | 2010 |
| Diya Business Solutions Limited | Information & communication | 2012 |
| Diya Practice Limited | Health & social care | 2026 |
| Diyon UK Limited | Wholesale & retail | 2025 |
| Dizin Ice Cream Ltd | Manufacturing | 2023 |
| Dizyn Limited | Wholesale & retail | 2013 |
| DJ Barai Limited | Information & communication | 2023 |
| DJ Ceramics and Denture Studio Ltd | Manufacturing | 2023 |
| DJ Gadher Ltd | Other services | 2023 |
| DJ Investor Ltd | Real estate | 2024 |
| Djbee Services Ltd | Construction | 2024 |
| DJC Management Services Ltd. | Construction | 2026 |
| DJC Productions Ltd | Information & communication | 2023 |
| DJF Architectural Studios Limited | Professional & scientific | 2021 |
| DJK Homes LLP | | 2024 |
| DJK Kara Ltd | Wholesale & retail | 2020 |
| DJS Project Engineering Limited | Professional & scientific | 2013 |
| Djtc Cakes Ltd | Manufacturing | 2014 |
| DK Assets Limited | Real estate | 2025 |
| DK Cars Ltd | Wholesale & retail | 2009 |
| DK Creation Ltd | Wholesale & retail | 2024 |
| DK DOS Ltd | Wholesale & retail | 2025 |
| DK Lettings & Management Limited | Real estate | 2019 |
| DK Mainland UK Ltd | Hospitality | 2024 |
| DK Partners Limited | Hospitality | 2024 |
| DK Traders &Export Ltd | Wholesale & retail | 2026 |
| DKC Food Limited | Hospitality | 2026 |
| DKF Construct Ltd | Construction | 2018 |
| DKG International Limited | Administrative & support | 2008 |
| Dkls Limited | Financial services | 2004 |
| DKM Holdings (UK) Limited | Construction | 2014 |
| Dknr Ltd | Real estate | 2016 |
| Dkor Ltd | Wholesale & retail | 2025 |
| Dkpex PVT Ltd | Wholesale & retail | 2025 |
| Dkpp Services Limited | Professional & scientific | 2015 |
| DKR Capital Ltd | Professional & scientific | 2022 |
| Dkrt Ltd | Wholesale & retail | 2022 |
| DKV Global Limited | Professional & scientific | 2017 |
| DL Investments for Positive Difference Ltd | Financial services | 2022 |
| Dlawline Limited | Professional & scientific | 2013 |
| DLB Roofing London Limited | Construction | 2019 |
| Dlhp Ltd | Information & communication | 2017 |
| DLM Advisory Services Limited | Financial services | 2022 |
| DLM Dispatcher Ltd | Transport & logistics | 2024 |
| Dlsr Estates Limited | Real estate | 2025 |
| Dlsr Holdings Ltd | Financial services | 2022 |
| DM Cash & Carry Ltd | Wholesale & retail | 2014 |
| DM Construct Limited | Construction | 2026 |
| DM Corp (101) Limited | Professional & scientific | 2021 |
| DM Phoenix Ltd | Information & communication | 2025 |
| DM Plumbing and Heating Site Services Ltd | Construction | 2026 |
| DM Premier Buildings Ltd | Construction | 2024 |
| DM Premier Construction Ltd | Construction | 2022 |
| DM Remotes Ltd | Administrative & support | 2022 |
| DM2019 Ltd | Real estate | 2019 |
| DM7 Marketing Ltd | Professional & scientific | 2022 |
| DMA Employment London Ltd | Professional & scientific | 2017 |
| DMB HR Consultancy Ltd | Professional & scientific | 2025 |
| DMB Transport Ltd | Transport & logistics | 2020 |
| DMC Scenic Service Ltd | Construction | 2026 |
| Dmcl Limited | Professional & scientific | 1992 |
| DMD Civils Ltd | Construction | 2026 |
| Dmedici Ltd | Health & social care | 2013 |
| DMG Heating Solutions Ltd | Professional & scientific | 2017 |
| DMG Restoration Ltd | Construction | 2018 |
| DMI Utility Ltd | Construction | 2021 |
| DMP Builders Ltd | Construction | 2011 |
| DMP Building Contractors Limited | Construction | 2014 |
| DMP Healthcare (Cherry Orchard) Ltd | Health & social care | 2019 |
| DMP Healthcare (Collinson) Ltd | Real estate | 2017 |
| DMP Healthcare (Dagenham) Ltd | Real estate | 2019 |
| DMP Healthcare (Elmstead) Ltd | Health & social care | 2023 |