| Data Installation & Supplies (Holdings) Ltd | Financial services | 2026 |
| Databrain Solutions Ltd | Information & communication | 2017 |
| Dataconsulting Ltd | Professional & scientific | 2007 |
| Datalumio Limited | Information & communication | 2025 |
| Datamed Computerservice Ltd. | Information & communication | 2008 |
| Dave Ellis Limited | Construction | 2006 |
| Dave Pickles (Timber) Limited | Agriculture & fishing | 2005 |
| Dave Roberts Services (West Yorkshire) Limited | Manufacturing | 2014 |
| David & Elli Limited | Transport & logistics | 2018 |
| David Brown Group Limited | Professional & scientific | 1989 |
| David Charles Hair & Beauty Studios LLP | | 2006 |
| David G Horner Limited | Professional & scientific | 2003 |
| David Livsey Properties Limited | Real estate | 2023 |
| David Sutton (Cars) Ltd | Arts & recreation | 2018 |
| Davidevo Cafe Ltd | Hospitality | 2024 |
| Davirgo Limited | Wholesale & retail | 2025 |
| Davis Accountancy Ltd | Professional & scientific | 2013 |
| Dawid Nadaje Ltd | Information & communication | 2025 |
| Dawn TIL Dusk Oosc Ltd | Education | 2016 |
| Day 2 Day Essentials Ltd | Wholesale & retail | 2020 |
| Daytomo Investments Limited Partnership | | 2013 |
| Daytos Limited | Health & social care | 2013 |
| DB Defence Manco Limited | Professional & scientific | 2025 |
| DB Wolf Consulting Ltd | Professional & scientific | 2025 |
| DBK Properties Limited | Real estate | 2021 |
| Dbkl Ltd | Wholesale & retail | 2024 |
| DBL Property Development Ltd | Construction | 2021 |
| DBS Services Online Ltd | Information & communication | 2025 |
| DC & SF Ltd | Real estate | 2022 |
| DC Joinery and Property Maintenance Ltd | Construction | 2024 |
| DC King Construction Limited | Construction | 2015 |
| DC Waste Management Ltd | Water & waste | 2012 |
| DCA Design Works Ltd | Professional & scientific | 2024 |
| DCP Consulting Limited | Wholesale & retail | 2016 |
| Ddass Design & Development Assistances International Ltd | Professional & scientific | 2010 |
| DE Andaluz Ltd | Health & social care | 2026 |
| DE Luca Partnership SPV Ltd | Real estate | 2021 |
| DE Signs (UK) Ltd | Manufacturing | 2013 |
| DE Veer Group Holdings Limited | Financial services | 2023 |
| De-Mist Ltd | Construction | 2022 |
| Deals Property Management Limited | Real estate | 2021 |
| Dean Corfield Builder Contractor Limited | Construction | 2020 |
| Dean Taylor Ltd | Professional & scientific | 2018 |
| Dearlove ML LLP | | 2019 |
| Dearnleys Limited | Manufacturing | 1975 |
| Deborah Asalu & Jide Olokundun Foundation International | Agriculture & fishing | 2018 |
| Deborah Pearce Property Services Ltd | Real estate | 2024 |
| Debrinch KD Ltd | Wholesale & retail | 2021 |
| Debrouillage Ltd. | Professional & scientific | 2005 |
| Debt Collection Services UK Limited | Administrative & support | 2003 |
| Decknet UK Ltd | Construction | 2020 |
| Decomplify Ltd | Information & communication | 2013 |
| Decor TV Ltd | Extraterritorial | 2014 |
| Decormax Limited | Wholesale & retail | 2000 |
| Dedetech Solutions Limited | Information & communication | 2017 |
| Deebonair Clothing Ltd | Wholesale & retail | 2019 |
| Define Creative Design Limited | Professional & scientific | 2012 |
| Definitive Financial Management Limited | Professional & scientific | 2009 |
| Definitive Property Management Limited | Real estate | 2012 |
| Delegated Engineer Ltd | Information & communication | 2018 |
| Deli Delight Northgate Limited | Hospitality | 2023 |
| Dellfield (UK) Limited | Wholesale & retail | 2016 |
| DELLYTRANS85 Ltd | Transport & logistics | 2016 |
| Delotix Ltd | Hospitality | 2024 |
| Delta K Consulting Limited | Real estate | 2015 |
| Delta Paving Ltd | Construction | 2026 |
| Demolition Recycling Limited | Construction | 2012 |
| Demonic Custom Builds Limited | Wholesale & retail | 2024 |
| Dena Foods and Supermart Limited | Wholesale & retail | 2024 |
| Denby Catering Equipment Limited | Wholesale & retail | 2002 |
| Denby Dale Road (Wakefield) Management Company Limited | Households | 2022 |
| Dene Wood Investments Limited | Real estate | 2019 |
| Denkebene Marketing & Consulting Limited | Administrative & support | 2005 |
| Denman House Holdings Limited | Extraterritorial | 2006 |
| Dennis Two Point Zero Limited | Hospitality | 2025 |
| Denson Blake Investments Limited | Real estate | 2016 |
| Denson Blake Limited | Construction | 2012 |
| Dental Therapy Limited | Health & social care | 2008 |
| Denteck Ltd | Health & social care | 2022 |
| DEP Consult Ltd | Health & social care | 2025 |
| Dermagize Aesthetics Limited | Other services | 2016 |
| Derrynane Holdings Limited | Professional & scientific | 2008 |
| Design Build Chelsea Ltd | Manufacturing | 2026 |
| Design in Detail Limited | Extraterritorial | 2025 |
| Design Time Limited | Professional & scientific | 2002 |
| Designbuero Mueller Ltd | Manufacturing | 2006 |
| Designer Hair Ltd | Other services | 2018 |
| Designerdough.Co.Uk Ltd | Wholesale & retail | 2020 |
| Desire Trans Limited | Transport & logistics | 2019 |
| Destinara Productions Ltd | Information & communication | 2026 |
| Destiny Christian Church - Wakefield | Other services | 2002 |
| Deutsche Golf Holding Limited | Administrative & support | 2004 |
| Deutsche Libelle Ltd | Professional & scientific | 2019 |
| Development Planning Limited | Professional & scientific | 2013 |
| Devign Studios Ltd | Information & communication | 2020 |
| Devine Property Investments Ltd | Real estate | 2019 |
| Devreach Solutions Limited | Information & communication | 2018 |
| Dewan Grill Ltd | Hospitality | 2024 |
| Dewsbury Amateur Swimming Club | Arts & recreation | 2013 |
| Dewsbury Decorators Merchants Limited | Wholesale & retail | 1986 |