| Cutissence Healthcare Limited | Health & social care | 2023 |
| Cuzena Ltd | Administrative & support | 2017 |
| CV Associates Ltd | Administrative & support | 2009 |
| CVC Leisure Limited | Hospitality | 2019 |
| CVM (Preston) Ltd | Wholesale & retail | 2013 |
| CVM Logistics Ltd | Transport & logistics | 2019 |
| Cvouk Limited | Manufacturing | 2009 |
| CW Preston Ltd | Education | 2023 |
| CWA Interiors Ltd | Construction | 2024 |
| CWM Drainage Limited | Construction | 2014 |
| CWM Global Investment Ltd | Real estate | 2017 |
| Cwsports Consultancy Ltd | Professional & scientific | 2026 |
| CX Consulting Services Ltd | Construction | 2018 |
| Cyber Hill Limited | Information & communication | 2024 |
| Cyberpaladin Limited | Information & communication | 2016 |
| Cyclesport North Limited | Manufacturing | 2001 |
| Cycling Events Limited | Arts & recreation | 2019 |
| Cyclone Properties Limited | Real estate | 2020 |
| Cylinder Resurfacing Company (UK) Limited | Professional & scientific | 1992 |
| Cypress Point Developments (2002) Limited | Construction | 2002 |
| Cypress Point Developments Limited | Construction | 1994 |
| Czar & Co (UK) Limited | Transport & logistics | 2017 |
| D & a Hogarth Ltd | Real estate | 2011 |
| D & D Evans Leisure Ltd | Hospitality | 2023 |
| D & D Promotions Ltd | Arts & recreation | 2019 |
| D & E Employment and Training Ltd | Administrative & support | 2016 |
| D & I Limited | Real estate | 1994 |
| D & JB Consultancy Limited | Information & communication | 2012 |
| D & L Ceramics Limited | Construction | 2020 |
| D & L Growers Limited | Real estate | 2003 |
| D & L Marketing Limited | Real estate | 2010 |
| D & M Garden Maintenance Limited | Administrative & support | 2021 |
| D & M Tolley Limited | Professional & scientific | 2006 |
| D & P (Lancaster) Limited | Real estate | 2018 |
| D & P Complete Services Ltd | Manufacturing | 2013 |
| D & S Harrison Property Services Ltd | Professional & scientific | 2024 |
| D Alty Limited | Professional & scientific | 2019 |
| D and B Collective Limited | Hospitality | 2025 |
| D and B Distribution Limited | Transport & logistics | 2026 |
| D and C Autos Ltd | Wholesale & retail | 2013 |
| D Aspinall Limited | Construction | 2002 |
| D B Auto Assist Ltd | Wholesale & retail | 2016 |
| D B Joinery & Building Contractors Ltd | Construction | 2004 |
| D Bradford Plumbing & Heating Limited | Construction | 2024 |
| D C Finn Limited | Professional & scientific | 2018 |
| D Crane Contracting Limited | Other services | 2013 |
| D Dickson (NW) Ltd | Construction | 2013 |
| D Emery Roofing Ltd | Construction | 2020 |
| D F B Properties Limited | Real estate | 2017 |
| D F Licensing and Health and Safety Consultancy Limited | Professional & scientific | 2024 |
| D G Independent Consultants Limited | Professional & scientific | 2019 |
| D Hargreaves & SON Limited | Agriculture & fishing | 2003 |
| D J a Taylor Limited | Hospitality | 2019 |
| D J Baybutt & Associates Ltd | Health & social care | 2012 |
| D J Contracting Ltd | Construction | 2019 |
| D J Fairbrother | Real estate | 2015 |
| D J Martin Haulage Limited | Construction | 2016 |
| D K HOG Ltd | Construction | 2025 |
| D K Imports & Exports UK Ltd | Wholesale & retail | 2026 |
| D K Solutions (NW) Ltd | Information & communication | 2015 |
| D Leece Ltd | Wholesale & retail | 2017 |
| D LNG Ltd | Construction | 2014 |
| D M Campervans Limited | Wholesale & retail | 2020 |
| D M Developments (Inskip) Ltd | Construction | 2018 |
| D M H (Lancs) Limited | Construction | 2010 |
| D Melling & Sons (Forecourt) Limited | Wholesale & retail | 2002 |
| D Morrison Construction Services Limited | Construction | 2005 |
| D P Architectural Services Limited | Professional & scientific | 2008 |
| D P R (Retail) Limited | Wholesale & retail | 1999 |
| D Plumb Ltd | Administrative & support | 2013 |
| D R Power Consultants Limited | Extraterritorial | 2013 |
| D Sanderson (Bookbinders) Limited | Manufacturing | 1993 |
| D Sewell Roofing Contractor Ltd | Construction | 2012 |
| D Snape Limited | Professional & scientific | 2017 |
| D T Joseph Developments Limited | Construction | 2011 |
| D Thompson Property Limited | Real estate | 2022 |
| D W H Investments Limited | Administrative & support | 2014 |
| D W Lynn Limited | Administrative & support | 2006 |
| D Webster Golf Ltd | Arts & recreation | 2011 |
| D&A Flooring (NW) Ltd | Construction | 2013 |
| D&A Landscapes Ltd | Administrative & support | 2025 |
| D&A Retails Ltd | Wholesale & retail | 2023 |
| D&D Yard Ltd | Hospitality | 2025 |
| D&E Hospitality and Events Ltd | Hospitality | 2024 |
| D&L ROE Ltd | Agriculture & fishing | 2025 |
| D&M Sutton Transport & Training Limited | Administrative & support | 2024 |
| D&R Construction (NW) Ltd | Construction | 2025 |
| D&S Prew Limited | Construction | 2002 |
| D&Sn Properties Ltd | Real estate | 2016 |
| D&T Fitness Ltd | Arts & recreation | 2015 |
| D&V Partners Ltd | Wholesale & retail | 2025 |
| D-Books Limited | Wholesale & retail | 2020 |
| D-Cipher Software Limited | Information & communication | 2004 |
| D. & S. Shaw Limited | Arts & recreation | 2003 |
| D. H. T. Property Management Ltd. | Households | 2005 |
| D.& G. Care Limited | Health & social care | 2011 |
| D.A. Bell Limited | Construction | 2003 |
| D.A.S. Protection Limited | Construction | 2008 |
| D.C Howard Limited | Construction | 2025 |
| D.C. Domestics Limited | Wholesale & retail | 2000 |