| DRS Fast Food Limited | Hospitality | 2023 |
| DRS Investments Limited | Financial services | 2001 |
| DRS Retail Ltd | Wholesale & retail | 2024 |
| DRT Transport Limited | Transport & logistics | 2016 |
| Drumacre Limited | Real estate | 2020 |
| Drumacre Plastic Services Limited | Manufacturing | 1995 |
| Drunk Duck PUB Co Limited | Hospitality | 2024 |
| Druwa Academy Ltd | Education | 2020 |
| Druwa Blossoms Ltd | Health & social care | 2018 |
| DRY Abode Property Care Ltd | Construction | 2012 |
| DRY Ice Blasters North West Limited | Wholesale & retail | 2025 |
| Drybuild Ltd | Construction | 2010 |
| DS Design and Structure Limited | Professional & scientific | 2017 |
| DSB Fitness Ltd | Health & social care | 2025 |
| Dsbm Retail Ltd | Wholesale & retail | 2020 |
| DSC Preston Ltd | Professional & scientific | 2010 |
| DSI Technical Solutions Ltd | Professional & scientific | 2025 |
| DSJ Consultantcy Services Limited | Professional & scientific | 2024 |
| DSN Projects Limited | Professional & scientific | 2026 |
| Dsouza Homes Ltd | Real estate | 2026 |
| DSP Convenience Store Ltd | Wholesale & retail | 2026 |
| DSR North West Limited | Wholesale & retail | 2022 |
| Dssw Investments Limited | Real estate | 1999 |
| Dstreamz Ltd | Information & communication | 2021 |
| DSW Limited | Real estate | 2004 |
| DSW Parcels Limited | Transport & logistics | 2013 |
| DT Property and Lettings Limited | Real estate | 2022 |
| DT TRADING21 Ltd | Wholesale & retail | 2021 |
| DTA Motorsport Ltd | Wholesale & retail | 2015 |
| Dtab Car Wash Ltd | Administrative & support | 2018 |
| DTF Investments Ltd | Real estate | 2023 |
| Dtfprintingkings Ltd | Wholesale & retail | 2021 |
| DTG Lettings Limited | Real estate | 2024 |
| Dthomstars Ltd | Construction | 2025 |
| DTM Fabrications (NW) Ltd | Manufacturing | 2016 |
| DTS Maintenance Ltd | Construction | 2019 |
| DTS Parts Limited | Wholesale & retail | 2022 |
| Dtsm Limited | Construction | 2011 |
| Dtsp Properties Ltd | Real estate | 2022 |
| Dubai Aesthetics Limited | Health & social care | 2020 |
| Duchy Car Body Repairs Limited | Wholesale & retail | 2002 |
| Duchy Frames Limited | Wholesale & retail | 2020 |
| Duck & Penguin Properties Ltd | Real estate | 2021 |
| Ducklings Limited | Education | 2003 |
| Duddy Developments Limited | Real estate | 2015 |
| Duddy Holdings (NW) Limited | Professional & scientific | 2013 |
| Duel Clothing Ltd | Wholesale & retail | 2012 |
| Duerden Bros. Limited | Agriculture & fishing | 1934 |
| Duerden Engineering Ltd | Manufacturing | 2011 |
| Duffybarrow Limited | Professional & scientific | 2018 |
| Duglettings Ltd | Real estate | 2016 |
| Dukes of Preston Ltd | Administrative & support | 2021 |
| Dukes Plumbing & Heating Ltd | Construction | 2019 |
| Dulwich Leasing Limited | Administrative & support | 2010 |
| Dumera Limited | Education | 2023 |
| Dunas Homes Limited | Construction | 2017 |
| Dunaswood Limited | Professional & scientific | 2018 |
| Dunderdale Properties Ltd | Real estate | 2021 |
| Dungeon Pubs Limited | Hospitality | 2025 |
| Dunhall Financial Services Limited | Other services | 1987 |
| Dunimil Ltd | Professional & scientific | 2025 |
| Dunkley Autocare Ltd | Wholesale & retail | 2025 |
| Dunmarz 27 Ltd | Wholesale & retail | 2025 |
| Dunne & Dunne | Financial services | 2026 |
| Dunne & Hollingshead | Financial services | 2026 |
| Dunstone Education Trust | Education | 2009 |
| DUO Consulting (UK) Ltd | Professional & scientific | 2019 |
| Duplex Holdings Ltd | Real estate | 2020 |
| Duplock Properties Ltd | Real estate | 2025 |
| Dust Trap Ltd | Administrative & support | 2018 |
| Dutchy Investments Limited | Professional & scientific | 2007 |
| Dutton Plastering Ltd | Construction | 2019 |
| Duvas Technologies Limited | Professional & scientific | 2008 |
| Duxburys Garden Furniture Ltd | Wholesale & retail | 2012 |
| Duxburys Holdings Limited | Professional & scientific | 2008 |
| Duxburys Limited | Administrative & support | 2005 |
| Duxburys Property Rentals Limited | Real estate | 2017 |
| DV Carter Holdings Limited | Real estate | 2026 |
| DV Property Investments SPV Ltd | Real estate | 2025 |
| DV Utilities Ltd | Water & waste | 2022 |
| DVH Holding Company Ltd | Financial services | 2026 |
| Dvil Ltd | Wholesale & retail | 2022 |
| Dvna Limited | Wholesale & retail | 2020 |
| DW PUB Group Ltd | Hospitality | 2023 |
| Dw(Nw) Defence Services Ltd | Professional & scientific | 2022 |
| Dwarkadhish Enterprise Ltd | Wholesale & retail | 2024 |
| Dwood Couriers Ltd | Transport & logistics | 2025 |
| Dwouk Ltd | Other services | 2019 |
| DXB Foods Limited | Hospitality | 2024 |
| DXB Trading Ltd | Wholesale & retail | 2025 |
| DXN Commercials Limited | Wholesale & retail | 2018 |
| Dyanquay Services Ltd | Wholesale & retail | 2023 |
| Dyball Asset Management Limited | Real estate | 2025 |
| Dyball Catering Limited | Hospitality | 2025 |
| Dyer Property Investments Limited | Real estate | 2025 |
| Dyl-Icious Limited | Hospitality | 2011 |
| Dylan Limited | Health & social care | 2024 |
| Dylan Nair Solicitors Limited | Professional & scientific | 2008 |
| DYLANJENKO7 Limited | Information & communication | 2025 |
| Dynamics Global Ltd | Public administration | 2025 |