| D Andrews Electrical Ltd | Construction | 2024 |
| D B Concepts (Telford) Limited | Manufacturing | 2012 |
| D B Roberts & Partners International Limited | Professional & scientific | 2005 |
| D B Roberts & Partners Limited | Real estate | 2004 |
| D B Roberts & Partners Overseas Ltd | Real estate | 2008 |
| D B Roberts Mortgage Services Ltd | Financial services | 2010 |
| D B Roberts Professional Services Ltd | Extraterritorial | 2016 |
| D Cummings Limited | Construction | 2013 |
| D F Humphries Limited | Professional & scientific | 2017 |
| D Godsall Limited | Health & social care | 2010 |
| D Humphries Limited | Professional & scientific | 2018 |
| D J Carpentry Construction Limited | Construction | 2026 |
| D L Harris Builders Limited | Construction | 2011 |
| D Montgomery Ltd | Professional & scientific | 2013 |
| D P Treherne Decorators Ltd | Construction | 2023 |
| D Parry T S Ltd | Information & communication | 2025 |
| D Pugh Building Ltd | Construction | 2024 |
| D Pugh Limited | Professional & scientific | 2020 |
| D R Management Services Limited | Professional & scientific | 2002 |
| D Rawlings Plant Hire & Ground Works Ltd | Construction | 2025 |
| D W D Management Services Ltd | Professional & scientific | 2012 |
| D W Earthworks Ltd | Construction | 2024 |
| D&B Car Sales Ltd | Wholesale & retail | 2025 |
| D&G Group Holdings Ltd | Financial services | 2026 |
| D&H Consultancy Ltd | Health & social care | 2024 |
| D&Hj Holdings Ltd | Real estate | 2022 |
| D&L Garage Equipment Ltd | Manufacturing | 2024 |
| D&M Cladding Services Ltd | Construction | 2024 |
| D&S Moves Ltd | Transport & logistics | 2025 |
| D'S Professional Cleaning Ltd | Administrative & support | 2023 |
| D. W. Cummings Limited | Construction | 1995 |
| D.A.Reeves Painting & Decorating Services Ltd | Construction | 2019 |
| D.I.D. Donaldson Limited | Wholesale & retail | 1965 |
| D.J.Mc Services Limited | Public administration | 2025 |
| D.R. & J.A. Allmark Properties Limited | Administrative & support | 2004 |
| D.R.E. & Co. Limited | Professional & scientific | 2003 |
| D.S Heating Services Ltd | Construction | 2024 |
| DA Capo Properties (Shropshire) Limited | Construction | 2013 |
| Dachard Limited | Real estate | 2017 |
| Daco Associates Limited | Financial services | 2012 |
| Daco Brit Holdings Ltd | Financial services | 2026 |
| Daedalus Village (East and West) Estate Management Company Limited | Households | 2019 |
| Daft Peaches Limited | Health & social care | 2023 |
| DAG Consulting Limited | Information & communication | 2023 |
| Daimler Square (Coventry) Management Company Limited | Households | 2004 |
| Dairy House Barns Management Limited | Households | 2005 |
| Dairy-Scope (Northwest) Limited | Professional & scientific | 1982 |
| Daisy Chain Daycare Limited | Education | 2001 |
| Dakar Construction Ltd | Construction | 2024 |
| Dakar Energy Ltd | Real estate | 2024 |
| Dale House Cars Ltd | Wholesale & retail | 2022 |
| Dalebrook Court Owners Association Limited | Households | 1985 |
| Dalton & Co. (Builders) Limited | Agriculture & fishing | 2012 |
| Damore.Solution Ltd. | Manufacturing | 2015 |
| DAN Berry Creative Ltd | Information & communication | 2025 |
| Danby Homes Limited | Real estate | 2020 |
| Dancefloor Resurrection Ltd | Arts & recreation | 2014 |
| Dangarad Holdings Limited | Financial services | 2020 |
| Daniel Cumber Psychology Ltd | Education | 2024 |
| Daniel G Associates Limited | Professional & scientific | 2016 |
| Daniel Spedition Ltd | Transport & logistics | 2021 |
| Daniflo Ltd | Transport & logistics | 2017 |
| Danmahaffey Ltd | Health & social care | 2022 |
| Danny Smith Limited | Professional & scientific | 2019 |
| Danro Industries Limited | Extraterritorial | 1988 |
| Danstad Medical Limited | Health & social care | 2024 |
| Danvac Ltd | Manufacturing | 2004 |
| Danx Limited | Financial services | 2017 |
| DAP International Limited | Professional & scientific | 2018 |
| Darcy George Investments Limited | Financial services | 2017 |
| Darran Macdonald Carpentry Limited | Construction | 2014 |
| Darren Brookfield Carpentry and Joinery Limited | Manufacturing | 2012 |
| Darren Jones Mechanical Services Ltd | Wholesale & retail | 2020 |
| Darrice Limited | Wholesale & retail | 1982 |
| Darwin Biological Limited | Wholesale & retail | 2019 |
| Darwin Birthplace Trust | Education | 2021 |
| Darwin Cleaning Services Ltd | Administrative & support | 2022 |
| Darwin Commercial Ltd | Real estate | 2023 |
| Darwin Composites Ltd | Manufacturing | 2017 |
| Darwin Court Shrewsbury (Management Company) Limited | Real estate | 2003 |
| Darwin Glass & Glazing Limited | Households | 2011 |
| Darwin Group Limited | Manufacturing | 2005 |
| Darwin Gymnastics and Dance Ltd | Arts & recreation | 2020 |
| Darwin Health Limited | Health & social care | 2017 |
| Darwin Healthcare Ltd | Administrative & support | 2017 |
| Darwin ITC Limited | Information & communication | 2009 |
| Darwin Mortgage Solutions Limited | Financial services | 2022 |
| Darwin Place Management Company Shrewsbury Limited | Households | 2006 |
| Darwin Properties Limited | Real estate | 2006 |
| Darwin Roofing Ltd | Construction | 2019 |
| Darwin Science Park Limited | Extraterritorial | 1902 |
| Darwin Wealth Management Ltd | Financial services | 2011 |
| Darwin's House Ltd | Real estate | 2020 |
| Darwinnovate Ltd | Professional & scientific | 2014 |
| Darwins Barbers Ltd | Other services | 2022 |
| Darwins Townhouse Ltd | Hospitality | 2016 |
| Daryl Browne Coaching Limited | Arts & recreation | 2004 |
| Daryl Hasleham Ltd | Wholesale & retail | 2012 |
| Daryl's Dragons FC Ltd | Arts & recreation | 2014 |
| Darzi Clothing Limited | Manufacturing | 2014 |