| Chester Race Company Limited | Hospitality | 1892 |
| Chester Radio Taxis (Accounts) Limited | Transport & logistics | 2007 |
| Chester Visionplus Limited | Wholesale & retail | 1994 |
| Childflight | Health & social care | 1988 |
| Childrens Choice Nursery Limited | Health & social care | 2003 |
| Chilli Properties Limited | Real estate | 2000 |
| Chip PR Limited | Professional & scientific | 2006 |
| Choice Childcare Limited | Education | 2003 |
| Cholmondeley & Houghton Estates (NO.2) Limited | Financial services | 2024 |
| Cholmondeley & Houghton Estates Limited | Financial services | 2023 |
| Cholmondeley Farms Limited | Agriculture & fishing | 2018 |
| Chris Lewis Limited | Professional & scientific | 1998 |
| Chris Simpson Electrical Services Limited | Construction | 2007 |
| Christopher Evans Goldsmiths Limited | Wholesale & retail | 2003 |
| Christrock Enterprise Limited | Information & communication | 2000 |
| Cill Dara Construction Services Limited | Professional & scientific | 2019 |
| Ciplant Limited | | 1968 |
| City Metals UK Limited | Manufacturing | 2003 |
| City Pumping Limited | Extraterritorial | 2013 |
| Cityrise Interchange Homes LLP | | 2020 |
| Civic Stamps (1973) Limited | | 1973 |
| Clare & Illingworth Ltd | Health & social care | 1990 |
| Claritax Limited | Extraterritorial | 2003 |
| Clarke & Associates Ltd | Professional & scientific | 1998 |
| Class-Plas Windows Ltd | Wholesale & retail | 1996 |
| Clean Shave Barber Limited | Other services | 2025 |
| Clear Environmental Services Limited | Water & waste | 2011 |
| Clearscheme Limited | Construction | 1994 |
| Clemence Investments Limited | | 1963 |
| Click Food Limited | Hospitality | 2021 |
| Clockwise Distributions Limited | | 2002 |
| Clockwork Childcare Holdings Ltd | Education | 2015 |
| Clockwork Day Nursery (Audenshaw) Ltd | Education | 2015 |
| Clockwork Day Nursery Limited | Education | 2001 |
| Cloudco Solutions Limited | Administrative & support | 2021 |
| Clowes Consultancy Limited | Information & communication | 2003 |
| Club Wilmslow Limited | Professional & scientific | 2008 |
| Clubturf Cricket Limited | Wholesale & retail | 2005 |
| CM Services (UK) Limited | Professional & scientific | 2003 |
| CNC Energy Consulting Limited | Professional & scientific | 2004 |
| CNC Performance Consultants Limited | Professional & scientific | 2007 |
| CNV Investments Ltd | Real estate | 2022 |
| Co-Habit Property Ltd | Real estate | 2017 |
| Cobco (376) Limited | Professional & scientific | 2001 |
| Coed DU Hall Limited | Health & social care | 1993 |
| Cogia Limited | | 1965 |
| Coldhold Systems Limited | Manufacturing | 1994 |
| Colouring Craft Limited | Arts & recreation | 2024 |
| Combustion Solutions Limited | Professional & scientific | 2006 |
| Commercial Alliance Limited | Wholesale & retail | 2003 |
| Communication Sciences Limited | Information & communication | 2002 |
| Compassionate Care & Support Ltd | Health & social care | 2014 |
| Complete Bathrooms & Kitchens (U.K) Limited | Construction | 2007 |
| Complete Bookkeeping by Gena Ltd | Professional & scientific | 2019 |
| Complete Solutions UK Limited | Construction | 2006 |
| Comtech Computer Systems Limited | Real estate | 1988 |
| Con-Tec Solutions Ltd | Construction | 2003 |
| Condor Investments Limited | Other services | 1987 |
| Conexa Properties Ltd | Construction | 2007 |
| Conformity Limited | Information & communication | 2001 |
| Congl Feddw Residents Association Limited | Real estate | 1999 |
| Congleton Building Preservation Trust | Arts & recreation | 2001 |
| Congleton Constitutional Club Limited(The) | Extraterritorial | 1895 |
| Congleton Glass Company Limited | Construction | 1968 |
| Congleton Talking Newspaper | Real estate | 1990 |
| Conibeere Ltd | Professional & scientific | 2018 |
| Connect Chemicals (UK) Limited | Wholesale & retail | 2001 |
| Conran Homes Ltd | Manufacturing | 2000 |
| Conscious Accelerator Ltd | Professional & scientific | 2017 |
| Considine Engineering Ltd | Professional & scientific | 2007 |
| Consult HS Limited | Professional & scientific | 2013 |
| Continental Leisure Projects Limited | Arts & recreation | 2016 |
| Contravane Limited | Professional & scientific | 1985 |
| Conway Phillips (Warrington) Limited | Wholesale & retail | 1929 |
| Cooks & Books Limited | Manufacturing | 2003 |
| Cooper Clayton Developments Limited | | 1976 |
| Copeland Wedge Associates Ltd | Construction | 2011 |
| Copper Beeches Livery Ltd | Agriculture & fishing | 2007 |
| Copper Consultancy Limited | Other services | 1995 |
| Corbridge Homes Ltd | Real estate | 2022 |
| Coretech Computing Limited | Information & communication | 1996 |
| Cornthwaite Seven Ltd | Professional & scientific | 2011 |
| Cornubia Homes Limited | Construction | 2006 |
| Cornwall Holiday Information Limited | Administrative & support | 2007 |
| Corporate Credit Leasing Limited | Financial services | 2005 |
| Corwood & Co. Ltd. | Administrative & support | 2002 |
| Cosmo Data Safe Ltd | Professional & scientific | 1989 |
| Cottage Street Garage Limited | Wholesale & retail | 2001 |
| Cotton Estates Limited | Real estate | 2001 |
| Country Home Furnishing Co. (Wilmslow) Limited | Wholesale & retail | 1971 |
| Country Living Limited | Wholesale & retail | 2005 |
| Countrywide Renovations Ltd | Construction | 2000 |
| Covington's Financial Service Limited | Financial services | 2004 |
| COW Properties Limited | Real estate | 2016 |
| COX Planning Ltd | Professional & scientific | 2021 |
| CPF Installation EOT Limited | Financial services | 2024 |
| Crce Plant Limited | Construction | 2016 |
| Creagan Electrical Services Limited | Construction | 2005 |
| Creative Concrete (NW) Ltd | Construction | 2002 |
| Cressida Consulting Ltd | Professional & scientific | 2020 |