| DB Import & Export Ltd | Construction | 2018 |
| Dcst Holdings Ltd | Real estate | 2018 |
| DD UK Retail Limited | Wholesale & retail | 2022 |
| DE Elroi Properties Ltd | Real estate | 2026 |
| DE Lorenzo Effect Ltd | Professional & scientific | 2023 |
| De-Veer Associates Ltd | Real estate | 2024 |
| Deal Broker (London) Ltd | Real estate | 2020 |
| Deals Cloud Ltd | Wholesale & retail | 2021 |
| Deballe Ltd | Professional & scientific | 2010 |
| Debs Clarkson Ltd | Health & social care | 2017 |
| Debt Today Free Tomorrow CIC | Administrative & support | 2024 |
| Debt Today Free Tomorrow Consultancy Ltd | Other services | 2020 |
| Decobeds Ltd | Wholesale & retail | 2025 |
| Deeee Company Limited | Wholesale & retail | 2024 |
| Deekay Properties Ltd | Real estate | 2023 |
| Deepako Limited | Wholesale & retail | 2025 |
| Deepwater Capital Ltd | Administrative & support | 2023 |
| Defi Tech Investing Ltd | Information & communication | 2021 |
| Delly's Brigstock Road Ltd | Hospitality | 2023 |
| Delly's Limited | Hospitality | 2011 |
| Delly's Snack Ltd | Hospitality | 2023 |
| Dellys Island Limited | Hospitality | 2025 |
| Demir Kebab Limited | Hospitality | 2025 |
| Dentarj Limited | Health & social care | 2012 |
| Dermia Clinic Ltd | Health & social care | 2024 |
| Derrick's Couture Limited | Manufacturing | 2026 |
| Desi Beatz UK Ltd | Arts & recreation | 2025 |
| Desi Catering Ltd | Hospitality | 2023 |
| Desi Dhaba INT Ltd | Hospitality | 2025 |
| Desi Express Ltd | Hospitality | 2024 |
| Desires Build Cleaning Ltd | Administrative & support | 2026 |
| Deskant Ltd | Information & communication | 2026 |
| Desperado Dropouts Ltd | Wholesale & retail | 2025 |
| Destiny Cleaning Ltd | Administrative & support | 2023 |
| Destiny Estates Ltd | Real estate | 2025 |
| Devaa Property Limited | Real estate | 2025 |
| Developers Partners Limited | Extraterritorial | 2023 |
| Devura Enterprise Ltd | Wholesale & retail | 2026 |
| Dexo Prime Ltd | Wholesale & retail | 2026 |
| Dexter Medical Limited | Wholesale & retail | 2023 |
| Dfendrx Service Limited | Wholesale & retail | 2018 |
| DG Global Governance & Advisory Limited | Information & communication | 2026 |
| Dharmak Properties Ltd | Real estate | 2025 |
| Diamond Integration Limited | Construction | 2019 |
| Dicksons Management Ltd. | Real estate | 2014 |
| Dicksons Property Maintenance Limited | Real estate | 2015 |
| Digital Marketing Info Ltd | Professional & scientific | 2025 |
| Digitalvista Electronics Ltd | Wholesale & retail | 2026 |
| Digitor Ltd | Wholesale & retail | 2026 |
| Direct Chauffeurs (UK) Ltd | Transport & logistics | 2012 |
| Direct Professional Removals Limited | Transport & logistics | 2019 |
| Disha Foods Ltd | Hospitality | 2024 |
| Divine Comfort Ltd | Real estate | 2025 |
| Divine Elevation Chapel Ltd | Other services | 2020 |
| Divine Glory Foods and Health Limited | Hospitality | 2015 |
| Divine Grow and Solution Ltd | Wholesale & retail | 2024 |
| Divine Nakashatra Akasha Ltd | Other services | 2024 |
| Divine Street Food Limited | Hospitality | 2026 |
| DIY Hardware UK Limited | Wholesale & retail | 2017 |
| Diya Food & Wine Ltd | Wholesale & retail | 2023 |
| DJ Mystery MAN Ltd | Information & communication | 2019 |
| DM Procurement Solutions Limited | Other services | 2015 |
| DMD Consultant Ltd | Information & communication | 2024 |
| DMO Motors Ltd | Wholesale & retail | 2022 |
| DMT Shine Limited | Administrative & support | 2025 |
| DNA Laser Clinic Ltd | Wholesale & retail | 2026 |
| Dnyani Consulting Ltd | Information & communication | 2018 |
| Dnyani Enterprises Ltd | Manufacturing | 2021 |
| DOB Associates Ltd | Information & communication | 2009 |
| DOD Consultancy Ltd | Information & communication | 2019 |
| DOD Law Limited | Professional & scientific | 2025 |
| Dolanittes Ltd | Information & communication | 2025 |
| Domi Barbers Limited | Other services | 2024 |
| Donison Holdings Ltd | Real estate | 2021 |
| Doortodoor Limited | Wholesale & retail | 2026 |
| Douglas and Maxwell Estates Limited | Real estate | 2015 |
| Dowman Developers Ltd | Construction | 2019 |
| DPK Cleaning Services Ltd | Administrative & support | 2026 |
| DR Savannah Aesthetics Ltd | Health & social care | 2024 |
| DR Yusuf Siddiqui Ltd | Health & social care | 2024 |
| Dr-Connect Ltd | Transport & logistics | 2026 |
| Drakewood Properties Ltd | Real estate | 2021 |
| Dreamnest Renovations Ltd | Construction | 2025 |
| Dreamsacademy Ltd | Arts & recreation | 2022 |
| Drew Lindon Consulting Ltd | Professional & scientific | 2014 |
| Drik Consulting Limited | Information & communication | 2015 |
| Drinks 2 YOU Limited | Health & social care | 2015 |
| Drinks Zone Ltd | Hospitality | 2005 |
| DRINKS360 Ltd | Wholesale & retail | 2020 |
| Dripsetter Ltd | Wholesale & retail | 2021 |
| DRJ Distributions Ltd | Wholesale & retail | 2023 |
| DRM Solution Ltd | Construction | 2024 |
| Drmscp Ltd | Wholesale & retail | 2020 |
| Drummonds Property & Finance Limited | Financial services | 2015 |
| Drummonds Property (Sales) Limited | Real estate | 2025 |
| Drummonds Property Limited | Real estate | 2020 |
| DS Consulting Ltd | Information & communication | 2025 |
| DS Retail Croydon Limited | Wholesale & retail | 2025 |
| Dsdo Limited | Wholesale & retail | 2025 |
| DT Legacy Limited | Financial services | 2024 |