| D & P Sales Limited | Wholesale & retail | 2026 |
| D & R Diagnostics Ltd | Extraterritorial | 2023 |
| D a Transport Solutions Ltd | Transport & logistics | 2025 |
| D Alao Recruitment Limited | Administrative & support | 2022 |
| D and K News Ltd | Wholesale & retail | 2024 |
| D and R GAS Services Ltd | Construction | 2024 |
| D and S Innovations Ltd | Real estate | 2019 |
| D and S Services Limited | Construction | 2008 |
| D B E Global Limited | Arts & recreation | 2012 |
| D B Farming Limited | Agriculture & fishing | 1983 |
| D B Motorcycles Ltd | Wholesale & retail | 2007 |
| D C Construction NW Limited | Construction | 2021 |
| D C Development & Builders Management Limited | Professional & scientific | 2009 |
| D Cheshire Building Contractors Limited | Construction | 2003 |
| D Dennis Building & Landscapes Ltd | Construction | 2024 |
| D DEW Building Services Limited | Construction | 2015 |
| D Dose Ltd | Wholesale & retail | 2025 |
| D Embrey Driver Services Limited | Transport & logistics | 2023 |
| D Flame&Grill Ltd | Hospitality | 2025 |
| D Foods Kompany Ltd | Hospitality | 2018 |
| D Grailey Consultancy Services Limited | Professional & scientific | 2024 |
| D Group Services Ltd | Administrative & support | 2025 |
| D H Lawn Expert Limited | Wholesale & retail | 2022 |
| D H Smith Limited | Financial services | 2009 |
| D Herman Consulting Ltd | Information & communication | 2013 |
| D J Heald Limited | Construction | 2010 |
| D L Smith Limited | Transport & logistics | 2023 |
| D Level Limited | Transport & logistics | 2018 |
| D M Engineering (Bolton) Ltd | Manufacturing | 2014 |
| D M Forsyth Electrical Limited | Construction | 2014 |
| D Marks Property Limited | Real estate | 2017 |
| D N H Orthopaedics Ltd | Health & social care | 2020 |
| D P Meaney and Sons Haulage Ltd | Transport & logistics | 2025 |
| D Peters Demolition & Excavation Ltd | Construction | 2021 |
| D Power Construction Ltd | Construction | 2012 |
| D R Ductwork Limited | Construction | 2015 |
| D R Holman Building Limited | Construction | 2019 |
| D S Building Services (UK) Limited | Construction | 2003 |
| D S Drafting Ltd | Professional & scientific | 2004 |
| D S Mccormick Properties Ltd | Real estate | 2025 |
| D S W Optical Limited | Manufacturing | 2009 |
| D Shaw Consulting Limited | Other services | 2016 |
| D William Inn Limited | Hospitality | 2020 |
| D Y S Properties Limited | Real estate | 2017 |
| D Youd Limited | Information & communication | 2016 |
| D&A Property Rentals Ltd | Real estate | 2024 |
| D&B Studio Cuts Limited | Other services | 2022 |
| D&C Holdings NW Limited | Financial services | 2025 |
| D&D Roller Shutter Doors Limited | Administrative & support | 2024 |
| D&H Energy Partners Limited | Professional & scientific | 2025 |
| D&H Solutions Ltd | Information & communication | 2024 |
| D&J Decorators Limited | Construction | 2018 |
| D&L Recovery Services Ltd | Transport & logistics | 2025 |
| D&M Lettings Ltd | Real estate | 2025 |
| D&R Cleaners Services Limited | Administrative & support | 2019 |
| D&Rmart Ltd | Wholesale & retail | 2025 |
| D&S Aura Ltd | Wholesale & retail | 2024 |
| D&S Engineering Limited | Wholesale & retail | 2023 |
| D&Sb Management Limited | Financial services | 2020 |
| D' Purple Essence Ltd | Manufacturing | 2026 |
| D, R & a Taylor Limited | Construction | 2004 |
| D-Circle Ltd | Wholesale & retail | 2020 |
| D-Room Limited | Information & communication | 2003 |
| D-Shay Limited | Information & communication | 2021 |
| D-Tiled Bathrooms Ltd | Construction | 2016 |
| D. Farnworth Decorators Ltd | Construction | 2015 |
| D. Yates. RAE Limited | Professional & scientific | 2014 |
| D.A.A. Consultancy Limited | Information & communication | 2008 |
| D.A.W. Gardening Ltd | Administrative & support | 2012 |
| D.B.S. Engineers Limited | Professional & scientific | 1972 |
| D.C. Cybertech Ltd | Information & communication | 2025 |
| D.Co Electrical Ltd | Construction | 2022 |
| D.D.P. Cargo Limited | Transport & logistics | 2025 |
| D.G. Solarlite Limited | Construction | 2007 |
| D.Hobbs Haulage Limited | Transport & logistics | 2026 |
| D.I.T (Bury) Ltd | Real estate | 2007 |
| D.J.M. Software Technologies Ltd | Information & communication | 2000 |
| D.M Transport and Recovery Ltd | Transport & logistics | 2024 |
| D.P. Cold Planing (Holdings) Limited | Construction | 2006 |
| D.P. Cold Planing Limited | Construction | 1991 |
| D.S.C Electrical Renewables & Controls Ltd | Construction | 2023 |
| D.S.Q International Ltd | Information & communication | 2019 |
| D.V. Birch Limited | | 1964 |
| D.W. Armstrong Holdings Limited | Administrative & support | 2005 |
| D2 Consultants Ltd | Professional & scientific | 2018 |
| D3K Digital Ltd | Information & communication | 2021 |
| D4DESSERT Limited | Hospitality | 2026 |
| DA Goldsmith Ltd | Manufacturing | 2026 |
| DA Medical Ltd | Health & social care | 2024 |
| Dabby-Bannkz UK Ltd | Wholesale & retail | 2024 |
| Dabs Plumbing & Heating Ltd | Construction | 2019 |
| Dabs Properties Ltd | Real estate | 2019 |
| Daddies Logistics Ltd | Transport & logistics | 2025 |
| Daddypaw Limited | Wholesale & retail | 2026 |
| Dadigee TEX Limited | Wholesale & retail | 2024 |
| Dadu Express Ltd | Transport & logistics | 2025 |
| DAE Trading Ltd | Real estate | 2023 |
| Daex Limited | Administrative & support | 2017 |
| Daffodil Power Limited | Professional & scientific | 2015 |
| DAG Leyther Holdings Ltd | Administrative & support | 2021 |