| C and E Asset Holdings Ltd | Financial services | 2026 |
| C and E Direct Ltd | Wholesale & retail | 2016 |
| C and S Dental Laboratory Limited | Health & social care | 2002 |
| C Bennett Builders Ltd | Construction | 2018 |
| C Cunniffe Logistics Ltd | Transport & logistics | 2018 |
| C D Partitions Ltd | Construction | 2003 |
| C Daniels & Sons Limited | Construction | 2010 |
| C E Instruments Ltd | Professional & scientific | 1997 |
| C E Pioneers Limited | Other services | 2019 |
| C Escapes Limited | Hospitality | 2003 |
| C J Civils NW Ltd | Extraterritorial | 2024 |
| C J G Suspended Ceilings & Partitions Limited | Construction | 2019 |
| C J W Watch Repairs Limited | Other services | 2002 |
| C JEV Ltd | Wholesale & retail | 2024 |
| C K Windows Limited | Construction | 2014 |
| C L Bathrooms Plumbing & Tiling Limited | Construction | 2015 |
| C L K Transport Solutions Ltd | Transport & logistics | 2014 |
| C M Developments (Wigan) Ltd | Real estate | 2020 |
| C M Property (Wigan) Ltd | Real estate | 2020 |
| C Mcelchare Ltd | Transport & logistics | 2013 |
| C Powell Construction Ltd | Construction | 2025 |
| C Riley Consultancy Ltd | Professional & scientific | 2014 |
| C S Solutions (MCD) Ltd | Construction | 2008 |
| C Scott Investments Ltd | Real estate | 2025 |
| C&A Hornby Limited | Construction | 2008 |
| C&B Accounting Solutions Ltd | Professional & scientific | 2014 |
| C&C Desserts Limited | Hospitality | 2025 |
| C&C Medics Ltd | Health & social care | 2023 |
| C&C Services Northern Limited | Administrative & support | 2002 |
| C&E Broadley Ltd | Wholesale & retail | 2022 |
| C&G Barton Holdings Limited | Professional & scientific | 2024 |
| C&J Properties (Wigan) Ltd | Real estate | 2025 |
| C&M Rentals Ltd | Real estate | 2024 |
| C&N Construction (NW) Ltd | Construction | 2012 |
| C&N Groundworks (NW) Limited | Construction | 2015 |
| C. J. Fisher & Co Ltd | Other services | 2019 |
| C.A.S.C. Holdings Ltd | Financial services | 2019 |
| C.E.L. Training Ltd | Professional & scientific | 2020 |
| C.Halliwell GAS Services Limited | Energy | 2020 |
| C.J.S Crankshaft & Machine Ltd | Manufacturing | 2024 |
| C.J.S Heritage Engineering (Wigan) Ltd | Manufacturing | 2024 |
| C.K. Installations (North West) Limited | Construction | 2007 |
| C.L.D.A.G Limited | Transport & logistics | 2019 |
| C.Linge Ltd | Construction | 2019 |
| C.M. Florists Limited | Other services | 1997 |
| C.M. Systems Limited | Information & communication | 1998 |
| C.N.C. (Lancashire) Limited | Professional & scientific | 1986 |
| C.T. Labels Limited | Other services | 2009 |
| C2C4U Ltd | Health & social care | 2019 |
| C3-PFJR Ltd | Real estate | 2025 |
| C4 Plus Ltd | Construction | 2012 |
| C42 Fitness Ltd | Arts & recreation | 2020 |
| CA Belle Limited | Education | 2012 |
| CA Coaching & Performance Ltd | Arts & recreation | 2025 |
| Cabinease | Professional & scientific | 2023 |
| Cabinet Creations Ltd | Wholesale & retail | 2011 |
| Cabinet Masters North West Ltd | Manufacturing | 2011 |
| Cable and Light Limited | Wholesale & retail | 2018 |
| Caciso | Professional & scientific | 2025 |
| Cadam Properties Ltd | Real estate | 2025 |
| Cadams Ltd | Hospitality | 2025 |
| Cadella Consulting Ltd | Professional & scientific | 2026 |
| Cadena Global Limited | Transport & logistics | 2005 |
| Caderis Property Limited | Real estate | 2025 |
| Cadman House Clearances Ltd | Water & waste | 2021 |
| Cadman Rubbish Removals Limited | Water & waste | 2018 |
| CAE-22 Consulting Ltd | Professional & scientific | 2022 |
| CAF Electrical Supplies Ltd | Wholesale & retail | 2023 |
| Cafe Santos Ltd | Hospitality | 2010 |
| Caffe Rosso Ltd | Hospitality | 2016 |
| Cainy Holdings Limited | Information & communication | 2022 |
| Calbens Consultancy Limited | Professional & scientific | 2007 |
| Calderbank Agri Limited | Agriculture & fishing | 2023 |
| Caldwells (Windows) Limited | Manufacturing | 2001 |
| Caldwells Properties Limited | Real estate | 2023 |
| Cale Group Ltd | Hospitality | 2025 |
| Calico Plant & Transport Limited | Transport & logistics | 1991 |
| Calisen Metering Holdings Limited | Administrative & support | 2002 |
| Calisen Metering Services Limited | Professional & scientific | 1997 |
| Calkay Properties Ltd | Real estate | 2010 |
| Callan Dooley Associates Ltd | Transport & logistics | 2021 |
| Calljana Ltd | Health & social care | 2025 |
| Calm and Capable Minds Ltd | Education | 2026 |
| Calm Bathroom Adaptions Ltd | Construction | 2023 |
| Calmid Ltd | Transport & logistics | 2019 |
| Calmorian | Professional & scientific | 2025 |
| Caltaro | Professional & scientific | 2026 |
| Cama-Life Ltd | Professional & scientific | 2024 |
| Camaldo Group Ltd | Hospitality | 2025 |
| Camberwell Construction Ltd. | Construction | 2009 |
| Cambiar Minds Ltd | Professional & scientific | 2024 |
| Camitos | Professional & scientific | 2025 |
| Campbell & Lloyd Ltd | Professional & scientific | 2020 |
| Campbell Court Management Company (Mesnes Road, Wigan) Limited | Households | 2004 |
| CAN Engineering Ltd | Professional & scientific | 2025 |
| Canaan City Estate Limited | Construction | 2025 |
| Canadian Pizza Limited | Hospitality | 2025 |
| Cancun Stojan Consulting Ltd | Professional & scientific | 2023 |
| Candlow | Professional & scientific | 2026 |
| Candy Store Hindley Limited | Wholesale & retail | 2024 |