| David a Smith Ltd | Manufacturing | 2006 |
| David Airey Property & Civil Engineering Limited | Professional & scientific | 2001 |
| David Andrew Property Ltd | Real estate | 2025 |
| David B Construction Ltd | Construction | 2023 |
| David Butterfield Funeral Directors Ltd | Other services | 2009 |
| David Cleaning Services Ltd | Administrative & support | 2024 |
| David Corry Interiors Limited | Construction | 2011 |
| David Courier Ltd | Transport & logistics | 2025 |
| David Duffield Motors Ltd | Wholesale & retail | 2009 |
| David Evans Property Refurbishment Ltd | Construction | 2015 |
| David Fawcett Transport Limited | Transport & logistics | 2008 |
| David FRY Limited | Professional & scientific | 2017 |
| David Gault Limited | Health & social care | 2010 |
| David Holroyd Ltd | Professional & scientific | 2014 |
| David Iddon Ltd | Construction | 2022 |
| David J Harris Properties Ltd | Real estate | 2020 |
| David J Pearson LLP | | 2012 |
| David James Property Services Limited | Real estate | 2019 |
| David Keenaghan Transport Limited | Transport & logistics | 2008 |
| David Kingscote International (DKI) Ltd | Information & communication | 2018 |
| David Lyon Art LLP | | 2011 |
| David Mccartney Limited | Professional & scientific | 2009 |
| David Moor Properties Ltd | Real estate | 2023 |
| David Oluwale Memorial Association | Education | 2012 |
| David Pearson Projects Ltd | Wholesale & retail | 1989 |
| David Pickup Advertising & Marketing Ltd | Professional & scientific | 2016 |
| David R Engineering Consultancy Limited | Professional & scientific | 2025 |
| David Scales Accountancy Limited | Professional & scientific | 2010 |
| David Senior Limited | Other services | 2017 |
| David Street Investments Limited | Construction | 2021 |
| David Watkinson Sculpture Limited | Arts & recreation | 2013 |
| David Whitaker Music Limited | Information & communication | 2012 |
| David Wood Baking (Holdings) Limited | Manufacturing | 2024 |
| David Wood Baking Limited | Manufacturing | 2008 |
| David Wood Baking UK Limited | Manufacturing | 2008 |
| David Wood Foods Ltd | Manufacturing | 2018 |
| David Yeadon Limited | Other services | 2002 |
| David's Discounts Limited | Wholesale & retail | 2006 |
| DAVID95 Spedition Ltd | Transport & logistics | 2018 |
| Davide Laurella Building Projects Limited | Construction | 2019 |
| Davidson Holdings Limited | Professional & scientific | 2003 |
| Davidson Site Services Limited | Construction | 2007 |
| Davidsons Forensic Accountants Limited | Professional & scientific | 2020 |
| Davidsons Hygiene Solutions Limited | Administrative & support | 2019 |
| Davidstm Courier Limited | Transport & logistics | 2026 |
| Davies Marketing Limited | Professional & scientific | 2022 |
| Davies Marsh Limited | Administrative & support | 2022 |
| Davies Systems Ltd | Administrative & support | 2017 |
| Davina IT Ltd | Information & communication | 2021 |
| Davis & Co Garage Doors Ltd | Construction | 2021 |
| Davis Boxing Limited | Arts & recreation | 2025 |
| Davis Burrow & Sons,Limited | Real estate | 1914 |
| Davis Hedley Inns Ltd | Hospitality | 2022 |
| Davison & Partners Limited | Information & communication | 2018 |
| Davnet Limited | Information & communication | 1998 |
| Davraj Ltd. | Administrative & support | 2018 |
| Dawda Logistics Ltd | Transport & logistics | 2026 |
| Dawn Developments Limited | Real estate | 1960 |
| Dawns Kitchen Limited | Hospitality | 2025 |
| Dawsal Retail Ltd | Wholesale & retail | 2016 |
| Dawson Advisory Services Limited | Professional & scientific | 2002 |
| Dawson and SON Limited | Professional & scientific | 2006 |
| Dawson and Hammond Limited | Real estate | 2024 |
| Dawson and Sons Leeds Ltd | Professional & scientific | 2024 |
| Dawson Stores Limited | Wholesale & retail | 2018 |
| Dawson Utility Works Ltd | Construction | 2023 |
| Dawson-Koti Limited | Administrative & support | 2012 |
| Dawson-Watts Holdings Ltd | Financial services | 2024 |
| Dawud 402 Ltd | Manufacturing | 2024 |
| Dawud Khan Ltd | Transport & logistics | 2025 |
| DAX Air Limited | Manufacturing | 2012 |
| Day Inspired Properties Ltd | Real estate | 2025 |
| Day One Trauma Support | Health & social care | 2021 |
| Daya Ventures Ltd | Administrative & support | 2025 |
| Dayk Wholesales Ltd | Wholesale & retail | 2023 |
| Daykla Limited | Health & social care | 2018 |
| Days Healthcare U.K. Limited | Manufacturing | 1973 |
| Dayseven Ltd | Information & communication | 2026 |
| Daytona Helmets UK Ltd | Wholesale & retail | 2025 |
| Daze Academy Ltd | Professional & scientific | 2026 |
| Daze Properties Yorkshire Limited | Real estate | 2016 |
| Dazon Properties Limited | Households | 2023 |
| Dazzlers Window Cleaning Limited | Administrative & support | 2024 |
| DB Auto Electrical Services Limited | Wholesale & retail | 2013 |
| DB Autobody Repairs Ltd | Wholesale & retail | 2025 |
| DB Automotive (Brtn) Ltd | Wholesale & retail | 2017 |
| DB Capital Brokers Ltd | Financial services | 2019 |
| DB Contracting Services Limited | Construction | 2008 |
| DB Creative Services Ltd | Administrative & support | 2026 |
| DB Development Consulting Ltd | Information & communication | 2018 |
| DB Events & Catering Ltd | Hospitality | 2024 |
| DB Inspection Services Ltd | Professional & scientific | 2025 |
| DB Network Solutions Ltd | Information & communication | 2022 |
| DB Productions and Touring Ltd | Arts & recreation | 2022 |
| DB Residents Management Company Limited | Households | 2022 |
| DB Services (Leeds) Limited | Professional & scientific | 2019 |
| DB Sporting Enterprises Ltd | Information & communication | 2010 |
| DB Value Investments Limited | Financial services | 2021 |
| DB3 Group Trustee Limited | Other services | 2022 |
| DBA Management (Holdings) Limited | Professional & scientific | 2005 |