| Complete Property Care (North West) Ltd | Construction | 2006 |
| Concept Advanced Technology Limited | Construction | 1996 |
| Conceptstrength Limited | Administrative & support | 2002 |
| Concrete Services & Supplies Ltd | Construction | 2012 |
| Congleton & MEAD0W Vale F00TBALL Club Limited | Arts & recreation | 1980 |
| Congleton and District FLY Fishers Limited | Administrative & support | 1997 |
| Congleton Autos Limited | Wholesale & retail | 2019 |
| Congleton Barbers Ltd | Other services | 2017 |
| Congleton CAD Design Limited | Professional & scientific | 2018 |
| Congleton Community Project Limited | Arts & recreation | 1994 |
| Congleton Competitions Ltd | Administrative & support | 2025 |
| Congleton Eats Limited | Hospitality | 2020 |
| Congleton Equine and Pet Supplies Ltd | Wholesale & retail | 2026 |
| Congleton Furniture Centre Ltd | Wholesale & retail | 2023 |
| Congleton Golf Club Limited | Arts & recreation | 1920 |
| Congleton Hand Car Wash Ltd | Administrative & support | 2025 |
| Congleton Hydroponics Limited | Wholesale & retail | 2013 |
| Congleton Interiors Ltd | Construction | 2026 |
| Congleton Lawn Turf Limited | Agriculture & fishing | 2003 |
| Congleton Live Community Interest Company | Arts & recreation | 2020 |
| Congleton Management Company Limited | Other services | 1989 |
| Congleton Museum Trust | Arts & recreation | 1988 |
| Congleton Oatcakes Limited | Hospitality | 2022 |
| Congleton Osteopathic Practice Ltd | Health & social care | 2006 |
| Congleton Pizza Limited | Hospitality | 2026 |
| Congleton Plumbing and Heating Limited | Construction | 2003 |
| Congleton Primary Academy Trust Limited | Education | 2014 |
| Congleton Quay Ltd | Real estate | 2019 |
| Congleton Rugby Union Football Club Ltd | Education | 2013 |
| Congleton Town FC (Operations) Limited | Arts & recreation | 2023 |
| Congleton Town Limited | Arts & recreation | 1994 |
| Congleton Trade Supplies Ltd | Wholesale & retail | 2019 |
| Congleton Vehicle Contracts Limited | Wholesale & retail | 2016 |
| Conner Lawrence Installations Ltd | Construction | 2026 |
| Connors Building & Bricklaying Services Limited | Construction | 2022 |
| Conoma Limited | Professional & scientific | 2013 |
| Contact Security Limited | Administrative & support | 2023 |
| Contengro Group Ltd | Information & communication | 2025 |
| Contract Hire and Leasing Ltd | Extraterritorial | 2013 |
| Cooke & Snape Mortgages Ltd | Financial services | 2025 |
| Cooke Cabin Hire Limited | Administrative & support | 2019 |
| Cooperhall Properties Ltd | Real estate | 2022 |
| Cope & Associates Limited | Professional & scientific | 2020 |
| Copeland Holdings Ltd | Financial services | 2025 |
| Cora Wholesale Ltd | Wholesale & retail | 2016 |
| Core Block Ltd | Energy | 2025 |
| Corly Limited | Professional & scientific | 2014 |
| Cornerstone Building Projects Ltd | Construction | 2024 |
| Cornerstone Electrics Ltd | Manufacturing | 2019 |
| Cornerstone Engineers Ltd | Professional & scientific | 2026 |
| Cornerstone Specialist Funding Ltd | Financial services | 2018 |
| Corpguard Ltd | Administrative & support | 2026 |
| Corporate Funding Limited | Financial services | 2012 |
| Corsol Investments Limited | Real estate | 2019 |
| Costa Brava Property Limited | Professional & scientific | 2010 |
| Costa Casa Limited | Professional & scientific | 2018 |
| Costa DEL SOL Property Limited | Professional & scientific | 2009 |
| Costa Properties Limited | Professional & scientific | 2010 |
| Costa Property Limited | Professional & scientific | 2009 |
| Costa Tropical Property Limited | Professional & scientific | 2010 |
| Costa View Limited | Professional & scientific | 2010 |
| Costal Place Limited | Professional & scientific | 2010 |
| Cottonwood Enterprises Ltd | Real estate | 2014 |
| Country Boarding Kennels and Cattery Ltd | Administrative & support | 2020 |
| Country KIT Limited | Wholesale & retail | 2011 |
| Country Property Holdings Ltd | Real estate | 2025 |
| Cozy Home Group Ltd | Real estate | 2024 |
| CPB Agricultural Ltd | Financial services | 2019 |
| CPC Driving School Ltd | Education | 2022 |
| CPJ Investment Group Ltd | Real estate | 2025 |
| Crafter Collection Limited | Wholesale & retail | 2021 |
| Cranage Training Limited | Education | 2017 |
| Cranxs Ltd | Professional & scientific | 2022 |
| Crear Crawford Limited | Financial services | 2023 |
| Creary Holdings Ltd | Wholesale & retail | 2023 |
| Creative Colour Print Limited | Manufacturing | 2024 |
| Creative Women CIC | Arts & recreation | 2026 |
| Crest Investments Ltd | Professional & scientific | 2022 |
| Crestwip Limited | Professional & scientific | 2012 |
| Crimson Performance Ltd | Arts & recreation | 2017 |
| Crimson Performance Servicing Ltd | Manufacturing | 2025 |
| Croft Housing Limited | Construction | 2017 |
| Crosby-Craig Business Consultants Limited | Information & communication | 2024 |
| Crossley Engineering Ltd | Professional & scientific | 2006 |
| Crossley Hall Development Limited | Real estate | 2014 |
| Crossmere Farm Limited | Agriculture & fishing | 2012 |
| Crown Festival Investments Ltd | Real estate | 2016 |
| Crown Nails & Beauty Ltd | Other services | 2017 |
| Crown Street Limited | Real estate | 2024 |
| Crystal Care Solutions Limited | Health & social care | 2006 |
| CT Catering II Ltd | Hospitality | 2024 |
| CT Competition Livery Limited | Other services | 2020 |
| CT Properties BD Ltd | Real estate | 2023 |
| CT Schooling Livery Limited | Other services | 2020 |
| CTP Networking | Other services | 2012 |
| Curious Crafts Ltd | Other services | 2021 |
| Curious Investments Ltd | Administrative & support | 2014 |
| Curtains by Design and Congleton Blinds Limited | Wholesale & retail | 2021 |
| Custom FAB Tech Limited | Wholesale & retail | 2023 |
| Custom Scaffold Solutions Ltd | Construction | 2023 |