| Deedmore Limited | Administrative & support | 2012 |
| Deejay Infotech Ltd | Information & communication | 2017 |
| Deel Field Services UK Limited | Administrative & support | 2015 |
| Deep Consulting (UK) Limited | Information & communication | 2013 |
| Deep Tempo Ltd | Information & communication | 2020 |
| Deepscan Ltd | Professional & scientific | 2021 |
| DEH Construction Limited | Construction | 2020 |
| Delicias Ltd | Education | 2023 |
| Delight Finish Construction Limited | Construction | 2025 |
| Delta Drivers Limited | Professional & scientific | 2010 |
| Delta Vega Limited | Administrative & support | 2013 |
| Deltasolve Limited | Information & communication | 2011 |
| Demelo Limited | Wholesale & retail | 2024 |
| Demon Tongue Originals Ltd | Wholesale & retail | 2021 |
| Deniz 23 Ltd | Hospitality | 2022 |
| Denizkara Limited | Hospitality | 2018 |
| Dentbo Ltd | Real estate | 2025 |
| Dentlife Limited | Health & social care | 2025 |
| Department of Reinvention Ltd | Other services | 2021 |
| Deploy the Music Ltd | Information & communication | 2017 |
| Deponti Ltd | Wholesale & retail | 2020 |
| Derek Transport Ltd | Transport & logistics | 2013 |
| Dermanu Clinic Ltd | Health & social care | 2016 |
| Desi Adda Limited | Hospitality | 2023 |
| Desi Chef Rugby Ltd | Manufacturing | 2026 |
| Desi Fuzion Ltd | Hospitality | 2021 |
| Desidyno Limited | Wholesale & retail | 2025 |
| Design Adapt & Build Ltd | Construction | 2017 |
| Designformula Studio Ltd | Construction | 2019 |
| Desire Silks Limited | Wholesale & retail | 2025 |
| Desire Smart Management Ltd | Real estate | 2025 |
| Desitell Limited | Professional & scientific | 2006 |
| Desmat Solutions Ltd | Information & communication | 2026 |
| Destel Limited | Professional & scientific | 2024 |
| Destination Direct Logistics Ltd | Transport & logistics | 2021 |
| Deuce Bros Limited | Arts & recreation | 2017 |
| DEV Isoft Limited | Information & communication | 2011 |
| Devalia Enterprise Ltd | Real estate | 2023 |
| Developer Concepts Limited | Information & communication | 2014 |
| Devereaux Kelly Associates Limited | Professional & scientific | 2020 |
| Devilbox Limited | Construction | 2016 |
| Devine Foods Ltd | Manufacturing | 2007 |
| Devol Limited | Wholesale & retail | 2018 |
| Dewcon Ltd | Construction | 2017 |
| Dexios Consulting Limited | Information & communication | 2025 |
| Dezign&Construct Ltd | Construction | 2024 |
| DF & L Investments Limited | Real estate | 2016 |
| Dfam Properties Ltd | Real estate | 2025 |
| DFO Solutions Limited | Extraterritorial | 2025 |
| Dfpi (UK) Services Limited | Administrative & support | 2025 |
| DH Fitness Ltd | Education | 2024 |
| DH Residential Holdings Limited | Real estate | 2026 |
| Dhaka Tandoori Limited | Hospitality | 2025 |
| Dhan Properties Ltd | Real estate | 2026 |
| Dhanda & Sangwan Estates Ltd | Real estate | 2023 |
| Dhanda Estates Ltd | Real estate | 2019 |
| Dharma Advisory Ltd | Information & communication | 2026 |
| Dhillon's Taxis (Rugby) Limited | Transport & logistics | 2019 |
| Dhmsc IT Services Limited | Information & communication | 2020 |
| DIA Gabi Limited | Transport & logistics | 2013 |
| Diagnosynth Limited | Health & social care | 2025 |
| Dial a CAB Midlands Ltd | Transport & logistics | 2011 |
| Diamond Motorcycles Limited | Wholesale & retail | 2002 |
| Diamond Taxis of Rugby Limited | Transport & logistics | 2018 |
| Diblovita Ltd | Construction | 2024 |
| Dickens Investment Group Limited | Financial services | 2019 |
| Dictate Boxing Limited | Professional & scientific | 2025 |
| Digidata Computing Limited | Information & communication | 2022 |
| Digital Clean Code Limited | Information & communication | 2025 |
| Digital Disruption Academy Limited | Education | 2023 |
| Digital Infra Network Consulting Ltd | Information & communication | 2013 |
| Digital Infra Network Ltd | Administrative & support | 2019 |
| Digital Retail Transformation Ltd | Information & communication | 2011 |
| Digital Retail Ventures Ltd | Wholesale & retail | 2025 |
| Digital Tangerine Ltd | Wholesale & retail | 2023 |
| Digitaltrek Ltd | Information & communication | 2024 |
| Digitech Energy Ltd | Construction | 2024 |
| Digitech World UK Ltd | Manufacturing | 2018 |
| Diligent Care Solution Limited | Health & social care | 2022 |
| Diligent IT Limited | Information & communication | 2005 |
| Dimond Properties Ltd | Extraterritorial | 2020 |
| Dimsum Daily Ltd | Manufacturing | 2025 |
| Dino Baker Ltd | Manufacturing | 2023 |
| Direct Marketing (UK) Limited | Wholesale & retail | 1996 |
| Dirlik Controls Limited | Professional & scientific | 1995 |
| Dirty Mops Ltd | Administrative & support | 2023 |
| Disabled & Proud Limited | Education | 2023 |
| Disco Tents Ltd | Administrative & support | 2023 |
| Discovery Computer Software LLP | | 2008 |
| Discovery Trading Limited | Wholesale & retail | 2021 |
| Dissilio Limited | Information & communication | 2018 |
| Distinktion Limited | Other services | 2024 |
| Diumea Transport Limited | Transport & logistics | 2016 |
| Divale Ltd | Wholesale & retail | 2016 |
| Divcon Ltd | Construction | 2017 |
| Diveejo Ltd | Wholesale & retail | 2022 |
| Divergent Healthcare Limited | Health & social care | 2022 |
| Divine Care Agency Ltd | Health & social care | 2005 |
| Divora Trade Limited | Wholesale & retail | 2025 |
| DJ Partnership Ltd | Real estate | 2024 |