| Dickinsonstoves Ltd | Wholesale & retail | 2022 |
| Dienst Limited | Information & communication | 2004 |
| Diggaspares Ltd | Wholesale & retail | 2016 |
| Digital Flux Ltd | Information & communication | 2026 |
| Digital Habitat Productions Ltd | Information & communication | 2020 |
| Digital Installations Limited | Information & communication | 1998 |
| Digitallawuk Ltd | Professional & scientific | 2013 |
| Dihai Group Limited | Hospitality | 2024 |
| Diligent Projects Limited | Professional & scientific | 2014 |
| Dimigo Ltd | Information & communication | 2017 |
| Diplomat Lease and Hire Ltd | Wholesale & retail | 2009 |
| Direct 2 MUM Limited | Real estate | 2010 |
| Direct Drainage Limited | Professional & scientific | 2015 |
| Direct Global Trading Investments Ltd | Financial services | 2024 |
| Direct Global Trading Ltd | Wholesale & retail | 2007 |
| DIS Audio Limited | Information & communication | 2019 |
| Distinction Doors Holdings Limited | Professional & scientific | 2010 |
| Distinction Group Limited | Professional & scientific | 2014 |
| Distinction Manufacturing Group Limited | Financial services | 2021 |
| DIT Alpha Ltd | Transport & logistics | 2019 |
| Diversus Ltd | Transport & logistics | 2018 |
| Divine Delight Event Planners Ltd | Wholesale & retail | 2026 |
| Divine Healthkare Solutions Ltd | Public administration | 2022 |
| Divineart Limited | Wholesale & retail | 1986 |
| Divorced NOT Dead Ltd | Professional & scientific | 2012 |
| DJ Home Developments Limited | Real estate | 2023 |
| DJH Tech Services Ltd | Professional & scientific | 2025 |
| DJJ Locum Ltd | Health & social care | 2022 |
| DJL 2017 Ltd | Administrative & support | 2017 |
| DJL Consultants Limited | Professional & scientific | 2012 |
| DK Commercial Properties 2 Ltd | Real estate | 2022 |
| DK Commercial Properties 3 Ltd | Real estate | 2023 |
| DK Commercial Properties Limited | Real estate | 2019 |
| DK Property Rentals Ltd | Real estate | 2025 |
| DK Trucking Ltd | Transport & logistics | 2022 |
| DKD Rigging Ltd | Administrative & support | 2020 |
| DKR Ceramics Ltd | Construction | 2026 |
| Dkrs Management Ltd | Households | 2025 |
| Dkrs Properties (NI) Ltd | Real estate | 2023 |
| DL Plumbing and Heating Ltd | Construction | 2015 |
| Dlcgs Ltd | Hospitality | 2025 |
| DLL Limited | Construction | 2016 |
| DLR Pubs Ltd | Hospitality | 2020 |
| Dmac Developments Limited | Construction | 2011 |
| DMB Consultant Services (UK) Ltd | Professional & scientific | 2014 |
| Dmcb Engineering Ltd | Extraterritorial | 2024 |
| DMK Ceilings Ltd | Construction | 2019 |
| DMO Brick CUT & Bond Limited | Manufacturing | 2019 |
| DMO Brickwork Limited | Construction | 2017 |
| DMR Construction and Groundwork Services Limited | Construction | 2017 |
| Dn-Perform Limited | Arts & recreation | 2019 |
| DNA Glazing Installations Limited | Construction | 2026 |
| DNC Block Paving Ltd | Administrative & support | 2025 |
| DND Installations Limited | Construction | 2022 |
| Doar CA Ltd | Transport & logistics | 2019 |
| Dobby Ventures Limited | Hospitality | 2026 |
| Dobing Electrical Limited | Construction | 2022 |
| Dodds Health Foods (2024) Limited | Wholesale & retail | 2020 |
| Dodo D Ltd | Transport & logistics | 2020 |
| Dodworth Medical Services Ltd | Health & social care | 2010 |
| Dodworth Miners Welfare Sports Social Club Ltd | Health & social care | 2018 |
| Dodworth MOT Centre Ltd | Wholesale & retail | 2022 |
| Dodworth Road Management Ltd | Households | 2003 |
| Doiteain Limited | Wholesale & retail | 2017 |
| Dolettings Ltd | Real estate | 2025 |
| Dolly's Desserts Distribution Ltd | Hospitality | 2019 |
| Dolly's Desserts Glassworks Ltd | Hospitality | 2021 |
| DOM Latham Ltd | Professional & scientific | 2017 |
| Dome Brickwork Limited | Construction | 2021 |
| Dome Joinery Ltd | Construction | 2024 |
| Domino Transport Services Limited | Transport & logistics | 2015 |
| Dominos Yorkshire Ltd | Hospitality | 2020 |
| Dompat Service Ltd | Construction | 2026 |
| Don'T BIN IT Ltd | Information & communication | 2023 |
| Donapaul Ltd | Transport & logistics | 2016 |
| Doncaster Metals Ltd | Extraterritorial | 2010 |
| Doncaster Pizza Barnsley Limited | Hospitality | 2020 |
| Dontpanic AV Limited | Information & communication | 2023 |
| Door Industry Journal Limited | Information & communication | 2011 |
| Door Solutions Architectural Ltd | Professional & scientific | 2021 |
| Door Solutions Group Ltd | Manufacturing | 2015 |
| Door Solutions Manufacturing Ltd | Manufacturing | 2021 |
| Door Solutions UK Ltd | Manufacturing | 2009 |
| DOP Property Limited | Real estate | 2025 |
| Dorcliffe Lodge Management Limited | Hospitality | 1982 |
| Dore Financial Limited | Administrative & support | 2006 |
| Dorin Experss Limited | Transport & logistics | 2025 |
| Dotseven Ltd | Wholesale & retail | 2025 |
| Double Badger Media Ltd | Information & communication | 2018 |
| Double Bubble Ltd | Real estate | 2004 |
| Double D Decor Centre Limited | Wholesale & retail | 1983 |
| Double Edge Limited | Real estate | 2002 |
| Doubleview Limited | Real estate | 2024 |
| Douglas Tinker Limited | Health & social care | 2013 |
| Dove Road Flats Tennants Association Limited | Hospitality | 2014 |
| Dovecliffe View Management Company Limited | Real estate | 2007 |
| Down 2 Earth Accountancy Limited | Professional & scientific | 2014 |
| Doyle Security Ltd | Administrative & support | 2011 |
| DP Developments (Northern) Limited | Construction | 2013 |
| DP Properties North Limited | Real estate | 2024 |