| Diastan Ltd | Construction | 2025 |
| Diavolezza Holdings Limited | Wholesale & retail | 2023 |
| Diavolezza Trading Limited | Wholesale & retail | 2023 |
| Diaz & Co Accountants Limited | Professional & scientific | 2017 |
| Diaz & Toke Ltd | Other services | 2021 |
| Diba Design Ltd | Wholesale & retail | 2018 |
| Dibobo Ltd | Wholesale & retail | 2025 |
| Dicallen New Control Tech of Doors and Windows London Co., Ltd | Extraterritorial | 2019 |
| Dicana Limited | Other services | 2022 |
| Dicken Group Limited | Construction | 2017 |
| Dickiesheba Limited | Manufacturing | 1977 |
| Dickinson Electrical Limited | Construction | 2017 |
| Dictatorship of Alcohol Ltd | Health & social care | 2025 |
| Didu Konsulting Ltd | Administrative & support | 2020 |
| DIE Einrichtung Ltd. | Professional & scientific | 2008 |
| Diem Partners Limited | Financial services | 2025 |
| Diezgo Limited | Information & communication | 2026 |
| Diff Taxi Limited | Transport & logistics | 2025 |
| Different Breed Coaching Ltd | Education | 2024 |
| Different Castle Limited | Information & communication | 2023 |
| Different Leauges Repairs Limited | Wholesale & retail | 2018 |
| Differential Media Ltd | Professional & scientific | 2025 |
| Difficult Stage Ltd | Arts & recreation | 2014 |
| Diffjaxx Sound Limited | Information & communication | 2026 |
| Digatex Holdings Limited | Information & communication | 2017 |
| Digby Hall and Library Limited | Wholesale & retail | 2021 |
| Digency Ltd | Information & communication | 2024 |
| Digger DIG DAN Ltd | Construction | 2018 |
| Digi C Associates Limited | Wholesale & retail | 2016 |
| Digi Union Ltd | Other services | 2025 |
| Digi Web Design Ltd | Wholesale & retail | 2025 |
| DIGI4U Ltd. | Wholesale & retail | 2011 |
| Digiadtrix Ltd | Administrative & support | 2026 |
| Digial Beez Ltd | Information & communication | 2025 |
| Digiami Ltd | Information & communication | 2017 |
| Digify Store Ltd | Professional & scientific | 2025 |
| Digiliax Ltd | Wholesale & retail | 2024 |
| Digilight Photo Limited | Manufacturing | 2017 |
| Digilyte Ltd | Information & communication | 2023 |
| Digimantra UK Limited | Information & communication | 2025 |
| Diginova Trading Limited | Hospitality | 2017 |
| Diginow Ltd | Information & communication | 2015 |
| Digione Ltd | Information & communication | 2018 |
| Digipath Academy Ltd | Education | 2020 |
| Digiplus+ Ltd | Other services | 2025 |
| Digirush Technologies Limited | Information & communication | 2025 |
| Digiscio Limited | Information & communication | 2023 |
| Digiso Limited | Information & communication | 2024 |
| Digisparo Global Ltd | Information & communication | 2025 |
| Digital and Technology Services Limited | Information & communication | 2013 |
| Digital Art Fair UK Limited | Arts & recreation | 2022 |
| Digital Asset Consulting Ltd | Information & communication | 2020 |
| Digital Asset Services Ltd | Other services | 2018 |
| Digital Assistant Ltd | Administrative & support | 2025 |
| Digital Atelier Platform Limited | Information & communication | 2025 |
| Digital Barcelone Limited | Information & communication | 2024 |
| Digital Broadcast Systems Limited | Information & communication | 1998 |
| Digital Business by HER Ltd | Education | 2025 |
| Digital Business Consultancy Ltd | Information & communication | 2025 |
| Digital Business Media Ltd | Professional & scientific | 2020 |
| Digital Business Operation Limited | Wholesale & retail | 2020 |
| Digital Centric Ltd | Professional & scientific | 2017 |
| Digital Consultancy 365 Limited | Professional & scientific | 2023 |
| Digital Decentral Limited | Wholesale & retail | 2018 |
| Digital Direct TEC Limited | Information & communication | 2021 |
| Digital Fjell Services Limited | Information & communication | 2025 |
| Digital FTL Ltd | Construction | 2019 |
| Digital Growth Experts Limited | Professional & scientific | 2019 |
| Digital Health Labs Limited | Information & communication | 2013 |
| Digital Imaging Tech Ltd | Information & communication | 2021 |
| Digital Marketing Prestige Limited | Other services | 2022 |
| Digital Maverick Limited | Professional & scientific | 2015 |
| Digital Metrics Ltd | Information & communication | 2014 |
| Digital Momentum European Ltd | Wholesale & retail | 2025 |
| Digital Morphosis Limited | Information & communication | 2004 |
| Digital Motion Ltd | Professional & scientific | 2025 |
| Digital Motive Ltd | Professional & scientific | 2023 |
| Digital Nomad Coach Ltd | Extraterritorial | 2021 |
| Digital Online Solutions Limited | Information & communication | 2016 |
| Digital Pets Ltd | Wholesale & retail | 2024 |
| Digital Prime Music Ltd | Arts & recreation | 2025 |
| Digital Property Tech Services Limited | Information & communication | 2025 |
| Digital Quantum Ltd | Information & communication | 2025 |
| Digital Recruitment and Staffing Ltd | Administrative & support | 2023 |
| Digital Secure Systems Limited | Information & communication | 2006 |
| Digital Shore Soft Limited | Information & communication | 2025 |
| Digital Space Transformation Limited | Wholesale & retail | 2019 |
| Digital Success Ltd | Education | 2025 |
| Digital Surgical Solutions Limited | Information & communication | 2018 |
| Digital Talent Ltd | Other services | 2019 |
| Digital Tax Making Ltd | Professional & scientific | 2018 |
| Digital Text Limited | Manufacturing | 2020 |
| Digital Viator Productions Limited | Information & communication | 2016 |
| Digital Virtue Ltd | Information & communication | 2002 |
| Digital Wealth Academy Ltd | Education | 2017 |
| Digital Wonderland Ltd | Wholesale & retail | 2024 |
| Digital World Group Ltd | Information & communication | 2019 |
| Digitalcorp Ltd | Other services | 2025 |
| Digitaldew Hive Limited | Information & communication | 2025 |
| Digitaldr Agency Ltd | Professional & scientific | 2024 |