| Bridgemoor Integrated Services Ltd | Construction | 2022 |
| Bridgewater Family Planning Service Association Limited | Health & social care | 1995 |
| Broker Compare Limited | Professional & scientific | 2024 |
| Brook Enterprises (N.W. Cheshire) Limited | Real estate | 1961 |
| Brown & MAY Marine Limited | Professional & scientific | 1984 |
| Bruit Limited | Information & communication | 2014 |
| Bryan & Sons Roofing and Building Ltd | Construction | 2026 |
| Build Force (Chester) Limited | Construction | 2012 |
| Bulls Head Coughlan Limited | Hospitality | 2024 |
| Burfam Property Limited | Real estate | 2016 |
| BY TOM Birtles Ltd | Professional & scientific | 2026 |
| Bytelab Solutions Ltd | Wholesale & retail | 2021 |
| C J Siddall Tractor Hire Ltd | Administrative & support | 2020 |
| C.J. Associates Geotechnical Limited | Construction | 1981 |
| C.W.Sproston(Lime)Limited | Transport & logistics | 1956 |
| C.W.Sproston,Limited | Transport & logistics | 1949 |
| C2P Consultancy Ltd | Information & communication | 2012 |
| CA Alternative Futures Ltd | Education | 2025 |
| Caesar (UK) Limited | Extraterritorial | 2012 |
| Cairnlabs Limited | Information & communication | 2026 |
| Calibrate Group Limited | Professional & scientific | 2020 |
| Calibrate Inc Ltd | Professional & scientific | 2012 |
| Calibrate Leasing Limited | Professional & scientific | 2014 |
| Calibrate Maintenance Ltd | Professional & scientific | 2020 |
| Calibrio Limited | Professional & scientific | 2025 |
| Callender Cable Freehold Company Ltd | Households | 2019 |
| Callender Cable RTM Company Limited | Households | 2019 |
| Capabel Press Ltd | Information & communication | 2009 |
| Carbon Ceramics Ltd | Professional & scientific | 1986 |
| Carbon Zero Consulting Ltd | Professional & scientific | 1997 |
| Cargill Nexus Limited | Real estate | 2025 |
| Carrington Community Solar Energy Limited | Energy | 2021 |
| Cascades NW Limited | Wholesale & retail | 2018 |
| Castle Investment Properties Limited | Real estate | 2025 |
| Castle Joinery (U K) Limited | Construction | 2007 |
| Castle Park Arts Centre | Administrative & support | 1981 |
| Cat Leisure Group Limited | Hospitality | 2004 |
| Catering Projects Support Services Ltd | Professional & scientific | 2026 |
| Cave Sourcing and Developments Ltd | Real estate | 2026 |
| CC Estates Ltd Ltd | Real estate | 2025 |
| CDG Engineering Ltd | Professional & scientific | 2025 |
| CE Support Services Limited | Professional & scientific | 2025 |
| CEA Lettings Ltd | Real estate | 2023 |
| Centralserve Limited | Construction | 2000 |
| CGR Cameron Ltd | Financial services | 2021 |
| Challinor Consultants Ltd | Professional & scientific | 2023 |
| Chappell Consulting Ltd | Information & communication | 2023 |
| Character Hideaways Limited | Hospitality | 2020 |
| Charles Wealth Management (NW) Limited | Financial services | 2025 |
| Cheadle Property Holdings Limited | Real estate | 2021 |
| Chemex (North West) Limited | Manufacturing | 2003 |
| Cherish Life Ltd | Professional & scientific | 2013 |
| Cheshire Advanced Clinical Solutions Ltd | Health & social care | 2022 |
| Cheshire Automotive Limited | Wholesale & retail | 2024 |
| Cheshire Combat Academy Ltd | Arts & recreation | 2026 |
| Cheshire Consilium Limited | Professional & scientific | 2019 |
| Cheshire Country Pubs Limited | Hospitality | 2023 |
| Cheshire Events Ltd | Hospitality | 2019 |
| Cheshire Groundcare Ltd | Administrative & support | 2011 |
| Cheshire Planning Solutions Ltd | Professional & scientific | 2013 |
| Cheshire Tree Surgeons Limited | Agriculture & fishing | 2005 |
| Cheshire Turf and Topsoil Limited | Wholesale & retail | 2018 |
| Cheshire Woodworking & GUN Boxes Limited | Manufacturing | 2019 |
| Chester Wellness Ltd | Other services | 2026 |
| Chpi Ltd | Manufacturing | 2021 |
| Chris Peate Landscapes Ltd | Administrative & support | 2023 |
| Chynna Cole Educational Psychology Ltd | Education | 2024 |
| City Splicing Ltd | Information & communication | 2023 |
| CKJ Properties Limited | Real estate | 2019 |
| Claim Farm Management Company Limited | Households | 1994 |
| Clark-Watts Limited | Professional & scientific | 2013 |
| Classic EV Cheshire Limited | Wholesale & retail | 2022 |
| Clay Connections Ltd | Arts & recreation | 2023 |
| Cliff Hughes Media Ltd | Information & communication | 2008 |
| Cobnut Homes Ltd | Construction | 2009 |
| Coco's Playbarn Limited | Arts & recreation | 2002 |
| Codelaunch Limited | Information & communication | 2016 |
| Collect Books Ltd | Professional & scientific | 2023 |
| Collindale Limited | Financial services | 2021 |
| Collins Kitchens Ltd | Construction | 2024 |
| Colt Feed Supplies Ltd | Wholesale & retail | 2024 |
| Colt Specialist Services Ltd | Wholesale & retail | 2021 |
| Commala Limited | Professional & scientific | 2017 |
| Community Wind Power EBT Limited | Administrative & support | 2021 |
| Competitive Edge Associates Limited | Administrative & support | 2010 |
| Complete Security Service Limited | Administrative & support | 2024 |
| Connected & Protected Ltd | Information & communication | 2020 |
| Consolair Limited | Construction | 2002 |
| Consultdh Ltd | Professional & scientific | 2025 |
| CONSUMABLE360 Limited | Wholesale & retail | 2022 |
| Convoy Records Limited | Wholesale & retail | 2012 |
| Coorie Cottages Limited | Hospitality | 2021 |
| Cornwall Coffee Ltd | Hospitality | 2022 |
| Corvus Consulting Ltd | Information & communication | 2024 |
| Cottrell Commercial Limited | Real estate | 2013 |
| Country and Coastal Developments Limited | Construction | 2014 |
| Crabtree Homes Ltd | Construction | 2013 |
| Crafty Tipples Limited | Arts & recreation | 2025 |
| CRE Paris Limited | Hospitality | 2016 |
| Crewood Consultants Limited | Professional & scientific | 2007 |