| Cyril P Consulting Limited | Information & communication | 2018 |
| CZ Solutions Ltd | Professional & scientific | 2023 |
| Czego Transport Ltd | Administrative & support | 2015 |
| CZZ DEV Ltd | Real estate | 2025 |
| D & D Developments (Cheshire) Limited | Real estate | 2020 |
| D & E Technical Consultants Limited | Administrative & support | 2012 |
| D & J Construction & Development Ltd | Construction | 2026 |
| D & K Services UK Limited | Arts & recreation | 2009 |
| D & P Dist Ltd | Wholesale & retail | 2025 |
| D & S Carpet and Upholstery Cleaning Services Limited | Administrative & support | 2015 |
| D & T Property Investment Solutions Ltd | Real estate | 2020 |
| D a C Site Engineering Limited | Professional & scientific | 2011 |
| D a K Inspection Services Ltd | Professional & scientific | 2016 |
| D ANG Consulting Ltd | Administrative & support | 2025 |
| D Barber Shop HS Limited | Other services | 2024 |
| D Beeks Ltd | Administrative & support | 2013 |
| D Brown CAD Solutions Limited | Professional & scientific | 2018 |
| D Culpan Limited | Information & communication | 2016 |
| D Duckworth Ltd | Professional & scientific | 2015 |
| D G Homerenovation Limited | Construction | 2024 |
| D Grainger Design Engineering Limited | Professional & scientific | 2018 |
| D H Healthcare Limited | Health & social care | 2006 |
| D H Mech Limited | Administrative & support | 2014 |
| D Hazan Development Ltd | Real estate | 2022 |
| D Howl Construction Limited | Construction | 2022 |
| D J (2022) Ltd | Hospitality | 2022 |
| D J B Cleaning & Support Services Limited | Administrative & support | 2013 |
| D J Mcmillan Ltd | Construction | 2022 |
| D J Pentney Property Maintenance Limited | Construction | 2006 |
| D J Rodgers Engineering Limited | Professional & scientific | 2007 |
| D Jackson Property Ltd | Real estate | 2021 |
| D K Building (Liverpool) Limited | Construction | 2015 |
| D Kirk Solutions Limited | Administrative & support | 2016 |
| D M K Chemical Process Plant Limited | Other services | 1993 |
| D Marston Consultancy Limited | Information & communication | 2017 |
| D Moss Project Solutions Limited | Administrative & support | 2015 |
| D N Bullough Landscapes Limited | Administrative & support | 2018 |
| D N D Training and Consultancy Ltd | Education | 2024 |
| D Roberts Plant Services Ltd | Construction | 2015 |
| D S Campbell Solutions Ltd | Professional & scientific | 2019 |
| D S Technical Support Ltd | Wholesale & retail | 2019 |
| D Spittlehouse Project Services Limited | Administrative & support | 2013 |
| D W Car Sales Ltd | Wholesale & retail | 2016 |
| D W Hargreaves Electrical Contractors Limited | Construction | 1999 |
| D W Taylor & Sons Painting and Decorating Services Ltd | Administrative & support | 2024 |
| D Wardle (Plant Sales) Limited | Wholesale & retail | 2019 |
| D Westall Solutions Ltd | Professional & scientific | 2018 |
| D&A Deal Builders Ltd | Real estate | 2025 |
| D&B Maintenance Solutions Limited | Administrative & support | 2016 |
| D&B Transport Solutions Limited | Transport & logistics | 2022 |
| D&D Artisan Markets Ltd | Wholesale & retail | 2024 |
| D&D Healthcare Private Limited | Health & social care | 2022 |
| D&G Design Solutions Limited | Administrative & support | 2015 |
| D&G Motors Burtonwood (2022) Ltd | Wholesale & retail | 2022 |
| D&Jw Enterprises Limited | Wholesale & retail | 2009 |
| D&M Weld Limited | Professional & scientific | 2018 |
| D&N Spedition Ltd | Transport & logistics | 2016 |
| D&S Project Services Limited | Administrative & support | 2013 |
| D&V Simons 2013 Limited | Administrative & support | 2013 |
| D'Arts International Ltd | Professional & scientific | 2018 |
| D-Beam Ltd | Professional & scientific | 2015 |
| D. P. Diamond Drilling and Sawing Limited | Construction | 2004 |
| D.A.N. Construction Solutions Limited | Construction | 2012 |
| D.A.T.S Engineering Solutions Limited | Professional & scientific | 2019 |
| D.A.T.S Recruitment Limited | Administrative & support | 2019 |
| D.C. Technical Solutions Limited | Administrative & support | 2010 |
| D.C.M Consultancy Ltd | Administrative & support | 2022 |
| D.E.E. Construction Limited | Construction | 2003 |
| D.E.P. Consulting Limited | Professional & scientific | 2016 |
| D.G.S.A. Consultancy Ltd | Professional & scientific | 2002 |
| D.H.F. Consultancy and Wholesale Trading Ltd | Wholesale & retail | 2019 |
| D.K.S.M. Limited | Administrative & support | 2014 |
| D.M.B. Commercial Vehicle Repairs Ltd | Manufacturing | 2024 |
| D1 Barber Warrington Ltd | Other services | 2023 |
| D2D Marketing Ltd | Professional & scientific | 2022 |
| D2H Engineering Limited | Construction | 2015 |
| D365 Consulting Limited | Information & communication | 2018 |
| D7M Ibusiness Services Ltd | Information & communication | 2010 |
| DA Automation Solutions Limited | Professional & scientific | 2021 |
| DA Driving Services Limited | Transport & logistics | 2017 |
| DAA DIK Limited | Transport & logistics | 2026 |
| DAA Transport Ltd | Financial services | 2022 |
| Daanvilolan Properties Limited | Real estate | 2024 |
| DAB Interior Systems Limited | Construction | 2016 |
| DAC Assocs Ltd | Information & communication | 2012 |
| DAC Holdings Ltd | Real estate | 2006 |
| DAC Scheduler Ltd | Professional & scientific | 2010 |
| Dacosta Services Ltd | Administrative & support | 2024 |
| Dacs Ltd | Manufacturing | 1971 |
| Dadey Solutions Ltd | Information & communication | 2019 |
| Daft DAD Limited | Wholesale & retail | 2016 |
| Dagnag Limited | Wholesale & retail | 2024 |
| Dahele UX Limited | Information & communication | 2017 |
| Dahlia Recruitment Ltd | Administrative & support | 2024 |
| Daily Crave Ltd | Hospitality | 2024 |
| Daily Express NW Ltd | Wholesale & retail | 2025 |
| Dains Properties Ltd | Real estate | 2025 |
| Daintree Wind Farm Limited | Energy | 2011 |
| Daisy Chain on Line Flowers Ltd | Wholesale & retail | 2019 |
| DAJ Homes Limited | Real estate | 2022 |