| DAB Property Solution Ltd | Real estate | 2022 |
| Dabkalos Ltd | Wholesale & retail | 2026 |
| Dachels Properties UK Limited | Real estate | 2021 |
| Dachshomes Ltd | Real estate | 2026 |
| Dafhan Ltd | Health & social care | 2025 |
| Daft Dog Marketing Limited | Information & communication | 2026 |
| Dafty Ltd | Information & communication | 2012 |
| Daily Dash Store Limited | Wholesale & retail | 2025 |
| Daily Fresh (Fruit & VEG) Wholesale Ltd | Wholesale & retail | 2026 |
| Daily Fresh Group Ltd | Wholesale & retail | 2025 |
| Daisna Education Limited | Education | 2024 |
| Daisy Bank Farm Consulting Limited | Information & communication | 2010 |
| Daisy Chains Cheadle Nursery Holdings Limited | Financial services | 2020 |
| Daisy Healthcare Services Limited | Health & social care | 2021 |
| Dale and Collins Limited | Real estate | 2011 |
| Dale Mech Services Ltd | Construction | 2015 |
| Dalebec Limited | Real estate | 2024 |
| Daleford Manor Residents Ltd | Households | 2000 |
| Dales Homes Limited | Real estate | 2020 |
| Dalmair Ltd | Transport & logistics | 2021 |
| Dalton Property Lettings Ltd | Real estate | 2025 |
| Damp Defender UK Ltd | Construction | 2025 |
| Dampcure (GB) Limited | Construction | 2007 |
| Dampseal Ltd | Construction | 2022 |
| Damwa Limited | Administrative & support | 2020 |
| DAN LEU Transport Limited | Transport & logistics | 2015 |
| DAN Mini Market Ltd | Wholesale & retail | 2025 |
| Dan's Plumbing Services Limited | Construction | 2023 |
| Dana.Ayan Ltd | Construction | 2025 |
| Dance Like a Champ Ltd | Other services | 2024 |
| Dancoran Ltd | Construction | 2019 |
| Dandares Limited | Information & communication | 2008 |
| Danebower Property Ltd | Real estate | 2025 |
| Dani&Roxi Ltd | Other services | 2018 |
| Daniel Barber Mortgages Ltd | Financial services | 2025 |
| Daniel Davids Limited | Health & social care | 2014 |
| Daniel Kelsey Services Limited | Transport & logistics | 2017 |
| Daniel Pachucki Transport Services Ltd | Transport & logistics | 2013 |
| Daniel's Delights Limited | Manufacturing | 2007 |
| Danielmservices Ltd | Transport & logistics | 2024 |
| Danleigh Roofing Specialists Ltd | Construction | 2022 |
| Danlu CON Ltd | Construction | 2026 |
| Danny Glover Ltd | Education | 2026 |
| Danny Speed Courier Ltd | Transport & logistics | 2016 |
| Danny W Poole & Sons Limited | Transport & logistics | 2017 |
| Danny's Auto Moto Ltd | Wholesale & retail | 2023 |
| Danny's DEN Ltd | Wholesale & retail | 2022 |
| Dansad Ltd | Financial services | 2022 |
| Dansoft Limited | Information & communication | 2013 |
| Dantech Media Limited | Construction | 2017 |
| Dany & Mary Family 2016 Limited | Transport & logistics | 2016 |
| Dany Fashion UK Limited | Wholesale & retail | 2026 |
| DANZ1711 Ltd | Wholesale & retail | 2026 |
| DAP Midlands Ltd | Hospitality | 2022 |
| Daphneleila UK Limited | Professional & scientific | 2020 |
| Dappled Sky Ltd | Manufacturing | 2021 |
| Daps Brothers Ltd | Hospitality | 2023 |
| Darbro Computers Limited | Information & communication | 2006 |
| Darius 2020 Ltd | Transport & logistics | 2020 |
| Darius Driver Ltd | Transport & logistics | 2026 |
| Darius ZNP Delivery Limited | Transport & logistics | 2025 |
| Dark Horizon Investments Limited | Real estate | 2024 |
| Dark Sky Ltd | Real estate | 2014 |
| Darkclearskies Ltd | Wholesale & retail | 2022 |
| Darlingtons UK Limited | Agriculture & fishing | 2007 |
| Darma Associates Ltd | Administrative & support | 2021 |
| Daroodi Ltd | Wholesale & retail | 2026 |
| Darren Cole Properties Limited | Real estate | 2017 |
| Dartmouth Street Management Company Limited | Real estate | 2014 |
| Daru Trans Ltd | Transport & logistics | 2021 |
| Darul Falah CIC | Education | 2023 |
| Darya Property Ltd | Real estate | 2018 |
| Dasway Limited | Wholesale & retail | 2014 |
| Dasy Logistic Ltd | Transport & logistics | 2017 |
| DAT Network Limited | Professional & scientific | 2010 |
| Data Driven Group Limited | Financial services | 2025 |
| Data Driven Holdings Ltd | Financial services | 2021 |
| Data Driven Logistics Limited | Information & communication | 2004 |
| Data Informed Ltd | Professional & scientific | 2022 |
| Daultala Ltd | Wholesale & retail | 2025 |
| DAV Auto Service Limited | Wholesale & retail | 2022 |
| Dave Rushton (Engines) Ltd | Manufacturing | 1982 |
| Dave Weston and Sons Ltd | Construction | 2019 |
| Dave's Fishbar Ltd | Hospitality | 2025 |
| David Alston Education Leadership Support Ltd | Professional & scientific | 2019 |
| David Clothes Ltd | Wholesale & retail | 2025 |
| David Frederick Mills Ltd | Hospitality | 2025 |
| David Key Transport Limited | Transport & logistics | 2020 |
| David Leech & Sons Limited | Construction | 2009 |
| David Marsden Consulting Limited | Professional & scientific | 2025 |
| David Watson Consultancy Services Limited | Professional & scientific | 2018 |
| David.B Limited | Professional & scientific | 2019 |
| Davidsebi Ltd | Transport & logistics | 2022 |
| Davies (Redditch) Limited | Construction | 2019 |
| Davies Accountancy Services Ltd | Professional & scientific | 2022 |
| Davies Builders Stoke Ltd | Construction | 2014 |
| Davis Property Developments Limited | Real estate | 2019 |
| Davm Ltd | Wholesale & retail | 2023 |
| Dawes Productions Ltd | Administrative & support | 2005 |
| Dawmer Ltd | Administrative & support | 2012 |