| Cuzins Solutions Limited | Construction | 2017 |
| Cvan NW Ltd | Arts & recreation | 2011 |
| Cvdwclerical Ltd | Administrative & support | 2025 |
| Cvlture Limited | Information & communication | 2026 |
| CVO Technology Ltd | Professional & scientific | 2020 |
| CW Beesley Ltd | Wholesale & retail | 2018 |
| CW Capital Holdings Ltd | Financial services | 2023 |
| CW Civils Limited | Construction | 2024 |
| CW Construction Solutions Ltd | Construction | 2025 |
| CW Decorators Ltd | Construction | 2025 |
| CW Entertainments Limited | Other services | 2023 |
| CW Manufacturing Limited | Manufacturing | 2026 |
| CW Media Ltd | Administrative & support | 2017 |
| CW Offshore Limited | Construction | 2023 |
| CW10 Property Limited | Households | 2019 |
| CWC Properties Limited | Real estate | 2015 |
| CWF Plastering and Building Services Ltd | Construction | 2012 |
| CWL Bricks Ltd | Real estate | 2019 |
| CX67 Ltd | Hospitality | 2025 |
| Cxth Properties Limited | Real estate | 2020 |
| Cyan Energy Group Limited | Construction | 2026 |
| Cybase Limited | Information & communication | 2011 |
| Cyber Clinic Limited | Health & social care | 2021 |
| Cyber Hero Ltd | Education | 2020 |
| Cyber Monitoring Centre Limited | Financial services | 2023 |
| Cyber Secure Enterprise Consulting Ltd | Information & communication | 2015 |
| Cyber Security Risk Limited | Information & communication | 2015 |
| Cyberdreams Limited | Information & communication | 2007 |
| Cyberfrog Design Ltd | Information & communication | 2012 |
| Cyberhoney Netseccloud Limited | Information & communication | 2020 |
| Cybernether Ltd | Information & communication | 2025 |
| Cyberpld Ltd | Information & communication | 2026 |
| Cybersecuritiesuk Limited | Information & communication | 2017 |
| Cybrex Tech Ltd | Information & communication | 2025 |
| Cybsi Consults Ltd | Health & social care | 2024 |
| Cycas Interior Landscapes Limited | Wholesale & retail | 2025 |
| Cych Limited | Transport & logistics | 2016 |
| Cycle Consultants Limited | Professional & scientific | 2022 |
| Cycle Exchange Marketing Limited | Extraterritorial | 2022 |
| Cycle Exchange Services Limited | Wholesale & retail | 2026 |
| Cycle of Life Ltd | Arts & recreation | 2021 |
| Cycleme Academy Ltd | Arts & recreation | 2025 |
| Cyclone Fitness Studio Ltd | Arts & recreation | 2023 |
| Cydamus Ltd | Information & communication | 2016 |
| Cyentra Biotech Ltd | Professional & scientific | 2025 |
| Cygnet Car Leasing Limited | Wholesale & retail | 2017 |
| Cygnet Interiors NW Limited | Wholesale & retail | 2025 |
| Cylinder 24 Property Ltd | Real estate | 2024 |
| Cylinder Testing & Sales (U.K.) Limited | Wholesale & retail | 1995 |
| CYLINDER21 Ltd | Wholesale & retail | 2022 |
| Cypf Development Services Limited | Education | 2009 |
| Cypneuro LLP | | 2023 |
| Cyprian Construction Limited | Construction | 2025 |
| Cyscas Catering Limited | Hospitality | 2018 |
| Cytek Academy Ltd | Education | 2026 |
| Cytos 2018 Limited | Financial services | 2017 |
| Czar Trans Ltd | Transport & logistics | 2016 |
| CZH 88 Limited | Hospitality | 2026 |
| CZR Heavy Haulage Ltd | Transport & logistics | 2022 |
| CZT Ltd | Administrative & support | 2026 |
| D & B MC Ltd | Other services | 2017 |
| D & C Garage Ltd | Wholesale & retail | 2023 |
| D & D Home Improvements NW Ltd | Construction | 2026 |
| D & D Joinery Ltd | Construction | 2023 |
| D & D Locke Care Ltd | Health & social care | 2025 |
| D & E Properties NW Limited | Real estate | 2024 |
| D & E YU Limited | Hospitality | 2026 |
| D & F Lacy Holdings Ltd | Financial services | 2022 |
| D & G Courtney Ltd | Other services | 2016 |
| D & G Electrical Services (UK) Ltd | Construction | 2005 |
| D & G Marsh Limited | Construction | 2013 |
| D & G Power Solutions Ltd | Construction | 2021 |
| D & J Plastics Limited | Manufacturing | 2002 |
| D & K Trade Ltd | Wholesale & retail | 2017 |
| D & L Bespoke Joinery Ltd | Construction | 2022 |
| D & M Draycott Ltd | Households | 2026 |
| D & M Properties Ltd | Administrative & support | 2012 |
| D & P Abrams Ltd | Manufacturing | 1997 |
| D & P Groundworks Limited | Construction | 2011 |
| D & R Motor Engineers (NW) Ltd | Wholesale & retail | 2011 |
| D & R Tyres (NW) Ltd | Wholesale & retail | 2017 |
| D & S (North West) Ltd | Real estate | 2019 |
| D & S Asphalt Ltd | Construction | 2015 |
| D & S Delights Ltd | Hospitality | 2025 |
| D & S Financial Consultants Ltd | Professional & scientific | 2012 |
| D a Car Body Ltd | Other services | 2017 |
| D a G Transport Limited | Transport & logistics | 2006 |
| D a M Properties Limited | Real estate | 1997 |
| D B Building Services (NW) Ltd | Construction | 2009 |
| D C L Rope Access Ltd | Construction | 2023 |
| D Caine Ltd. | Construction | 2014 |
| D Civils and Grab Hire Limited | Construction | 2025 |
| D E J Property Limited | Real estate | 2019 |
| D G & Sons Ltd | Wholesale & retail | 2011 |
| D G Ap-Thomas Estates Limited | Real estate | 2017 |
| D G Hughes Ltd | Financial services | 2019 |
| D Gems & Jewellery Ltd | Manufacturing | 2024 |
| D H Myers (Lytham) Limited | Administrative & support | 1993 |
| D Hayoukane Services Ltd | Transport & logistics | 2020 |
| D J Autorepair NW Ltd | Wholesale & retail | 2021 |