| Crushoa Construction Limited | Construction | 2014 |
| Crxc Services Limited | Professional & scientific | 2025 |
| Crypto Wise Ltd | Professional & scientific | 2025 |
| Crystal Aura Emporium Limited | Wholesale & retail | 2026 |
| CS Catering Services Ltd | Hospitality | 2025 |
| CS Foodie Limited | Hospitality | 2025 |
| CS Mobile Catering Ltd | Hospitality | 2026 |
| CS Nationwide Limited | Administrative & support | 2019 |
| Cscl Childcare Limited | Financial services | 2020 |
| Cscl Properties Limited | Real estate | 2019 |
| Cscl Training Solutions Limited | Education | 2021 |
| CSG Investments (NW) Ltd | Real estate | 2024 |
| CSG Plastics Limited | Construction | 2011 |
| Cshi (SW) Ltd | Construction | 2023 |
| CSM (Chorley) Limited | Manufacturing | 2005 |
| CSM Autos Limited | Wholesale & retail | 2013 |
| CSM Sheet Metal Limited | Administrative & support | 2011 |
| CTC Automotive Ltd | Manufacturing | 2020 |
| CTC Global (NW) Ltd | Wholesale & retail | 2022 |
| CTC Properties (NW) Ltd | Real estate | 2022 |
| CTR Transport Ltd | Wholesale & retail | 2015 |
| CUB Cost Property Limited | Real estate | 2025 |
| Cubed Property Advisors Limited | Real estate | 2009 |
| Cubed Residential Limited | Real estate | 2017 |
| Cuboid Self Storage Limited | Real estate | 2010 |
| Cuckoo Dough Ltd | Hospitality | 2022 |
| Cuckoo GIN Limited | Extraterritorial | 2017 |
| Cuckoo Investments Limited | Administrative & support | 2020 |
| Cuerden Management Ltd | Administrative & support | 2019 |
| Cuerden Spirits Limited | Manufacturing | 2014 |
| Cullen Connect Ltd | Professional & scientific | 2024 |
| Cullen Engineering Design UK Limited | Professional & scientific | 2014 |
| Culmine Azienda Ltd | Administrative & support | 2026 |
| Culshaw Engineering Limited | Manufacturing | 2017 |
| Cultura Technologies Ltd | Information & communication | 1976 |
| Cultural Educ-Asian Ltd. | Education | 2012 |
| Culzean Engraving Limited | Manufacturing | 2005 |
| Cumbro Transport Ltd | Transport & logistics | 2023 |
| Curiosity Corner Play Limited | Arts & recreation | 2019 |
| Curran Energy Supply Limited | Energy | 2025 |
| Current Concepts Fire and Electrical Ltd | Construction | 2021 |
| Current Electrical (North West) Limited | Construction | 2016 |
| Curzon Claims Limited | Financial services | 2011 |
| Cusia International Ltd | Wholesale & retail | 2023 |
| Custom Cocktails Limited | Professional & scientific | 2025 |
| Custom Design Interiors Chorley Limited | Professional & scientific | 2011 |
| Cutting Crew Salons Limited | Other services | 2017 |
| Cutting Edge Employee Ownership Trustee Limited | Financial services | 2022 |
| Cutting Edge Home and Gardening Services Ltd | Administrative & support | 2018 |
| Cutting Edge Investments Limited | Professional & scientific | 1997 |
| Cutting Edge Services Limited | Wholesale & retail | 1992 |
| Cutting-Edge Flooring & Decorating Limited | Construction | 2026 |
| CVC Independent Volvo Specialists Limited | Wholesale & retail | 2018 |
| CVD Technology Ltd | Professional & scientific | 2022 |
| CW Book Keeping Services Ltd | Professional & scientific | 2022 |
| CW UK Trading Ltd | Energy | 2019 |
| CWD Investments Ltd | Financial services | 2023 |
| Cwfc CIC | Arts & recreation | 2025 |
| CWM Holdco Ltd | Professional & scientific | 2025 |
| CWM Holdings Limited | Financial services | 2016 |
| Cwmni Croen Llundain Ltd | Health & social care | 2010 |
| Cybtech Limited | Professional & scientific | 2020 |
| D & a Davidson Property Management Ltd | Real estate | 2023 |
| D & E Distributors Limited | Manufacturing | 1992 |
| D & S Lifting Services Ltd | Administrative & support | 2025 |
| D 2 Racing Limited | Extraterritorial | 2010 |
| D a C H Limited | Administrative & support | 2007 |
| D Ball Groundworks Limited | Construction | 2014 |
| D Barlow & Sons Limited | Construction | 2011 |
| D Birchall Building & Landscaping Limited | Construction | 2012 |
| D Gray Project Services Limited | Professional & scientific | 2015 |
| D I M Y Day I MET YOU Ltd | Wholesale & retail | 2017 |
| D J Contracts (Liverpool) Ltd | Construction | 2018 |
| D J Jackson Transport Ltd | Transport & logistics | 2022 |
| D L Bath House Limited | Hospitality | 2010 |
| D L Consultancy North West Ltd | Professional & scientific | 2019 |
| D Monk Ltd | Wholesale & retail | 2022 |
| D O'Brien Construction Northwest Limited | Construction | 2022 |
| D P Construction Limited | Construction | 2012 |
| D Pickstock Joinery Limited | Construction | 2015 |
| D Price Distribution Services Limited | Transport & logistics | 2014 |
| D Roberts Heating Limited | Construction | 2011 |
| D S Baxendale Limited | Construction | 2018 |
| D S Global Aviation Ltd | Manufacturing | 2018 |
| D Singh & Co Ltd | Professional & scientific | 2010 |
| D W Barlow Services Ltd | Administrative & support | 2012 |
| D Walker Electrical Services Limited | Construction | 2025 |
| D Wilson Joinery Limited | Construction | 2022 |
| D&B Design Works Ltd | Professional & scientific | 2019 |
| D&G Properties (North West) Limited | Real estate | 2023 |
| D&L Transport Ltd | Transport & logistics | 2023 |
| D&M Yarrow Properties Ltd | Real estate | 2021 |
| D-Zyne Workwear Embroidery and Screen Printers Limited | Manufacturing | 2003 |
| D. Roskell Ltd | Construction | 1998 |
| D.C.R.O Ltd | Construction | 2018 |
| D.Cowser Haulage Limited | Transport & logistics | 2019 |
| D.G.E Boarding Ltd | Agriculture & fishing | 2025 |
| D.I.C.E Resources Ltd | Construction | 2013 |
| D.R. Jeffery Groundworks / Building Contractor Ltd | Construction | 2018 |
| D.Rock Champagne Ltd | Wholesale & retail | 2018 |