| Chester Travel Taxi Ltd | Transport & logistics | 2015 |
| Chester Triathlon Club | Arts & recreation | 2025 |
| Chester Trophies and Teamwear Ltd | Wholesale & retail | 2020 |
| Chester Tyres Ltd | Wholesale & retail | 2011 |
| Chester Wellness Centre Limited | Real estate | 2005 |
| Chester Wood Flooring Limited | Wholesale & retail | 2012 |
| Chester Wool Company Ltd | Wholesale & retail | 2013 |
| Chester Wool Holdings Ltd | Professional & scientific | 2022 |
| Chester ZOO (Nigeria) Limited | Arts & recreation | 2013 |
| Chester ZOO Enterprises Limited | Wholesale & retail | 1991 |
| Chester ZOO Foundation Nigeria | Professional & scientific | 2014 |
| Chester ZOO Hotels Limited | Hospitality | 2023 |
| Chester ZOO Uganda Limited | Professional & scientific | 2025 |
| Chester.Com Limited | Administrative & support | 2009 |
| Chesterbridge Surveyors Limited | Professional & scientific | 2023 |
| Chestergates Business Centre Limited | Real estate | 2018 |
| Chesterman Swann & Co. Limited | Professional & scientific | 1990 |
| Chesterton Grant Financial Solutions Limited | Financial services | 2021 |
| Chestnut Events Ltd | Hospitality | 2022 |
| Chestnut House Nursery Ltd | Health & social care | 2004 |
| Cheverton Freehold Limited | Real estate | 2020 |
| Chez François Limited | Hospitality | 2023 |
| Chicoland Limited | Hospitality | 2026 |
| Chief Badger Corporation Ltd | Hospitality | 2022 |
| Chiggins Ltd | Wholesale & retail | 2022 |
| Childer Thornton Car Sales Limited | Wholesale & retail | 2007 |
| Children Today Charitable Trust | Administrative & support | 2010 |
| Children Today Limited | Administrative & support | 1994 |
| Chilford Trust Limited(The) | Professional & scientific | 1943 |
| Chill Property Services Limited | Financial services | 2020 |
| Chilli Art Projects Ltd | Wholesale & retail | 2021 |
| Chime Property Investments Limited | Real estate | 2022 |
| Chinese Businesswomen Limited | Other services | 2023 |
| Chirkwell Consulting Limited | Professional & scientific | 2017 |
| CHL Construction Limited | Construction | 1999 |
| Chlobo Group Ltd | Manufacturing | 2015 |
| Chloejae Aesthetics Ltd | Other services | 2019 |
| Choice Workwear Ltd | Wholesale & retail | 2016 |
| Chokichops Ltd | Wholesale & retail | 2025 |
| Chonk Gear Ltd | Manufacturing | 2025 |
| Choose to Learn Ltd | Education | 2025 |
| Choplife Ltd | Hospitality | 2026 |
| Chopstech Ltd | Information & communication | 2013 |
| Chordis Limited | Financial services | 2026 |
| Chorley Apartments Limited | Real estate | 2026 |
| Chorlton Green Limited | Real estate | 2019 |
| Chris Hooper Ltd | Professional & scientific | 2011 |
| Chris Law Maritime Service Limited | Transport & logistics | 2012 |
| Chris Starkey Limited | Professional & scientific | 2002 |
| Chris Tait Locum Ltd | Health & social care | 2022 |
| Christian Eslaminejad Ltd | Households | 2026 |
| CHRISTIAN360 Ltd | Information & communication | 2021 |
| Christleton Hall Managment Company Limited | Real estate | 2023 |
| Christleton Mill Flat Management Limited | Hospitality | 1993 |
| Christleton Restaurant Holdings Limited | Financial services | 2019 |
| Chronoproperty Ltd | Real estate | 2021 |
| Chronosoft Ltd | Information & communication | 2025 |
| Chrysalis Advisory Ltd | Professional & scientific | 2020 |
| Chrystaal Clear Ltd | Administrative & support | 2024 |
| Church Farm (Chester) Management Company Limited | Real estate | 2017 |
| Church View Properties Management Ltd | Other services | 2018 |
| Churtons Plumbing & Heating Ltd | Construction | 2021 |
| CIG Print Ltd | Manufacturing | 2024 |
| CIH Northwest Limited | Other services | 1984 |
| Cinch Projects Limited | Professional & scientific | 2017 |
| Cingoz Plumbing Ltd | Construction | 2020 |
| Cioyo Limited | Professional & scientific | 2007 |
| Circle Support Limited | Administrative & support | 2023 |
| Cirto Gray Associates Ltd | Administrative & support | 2022 |
| Citidel Trading Ltd | Professional & scientific | 2024 |
| City and Coastal Management Ltd | Hospitality | 2025 |
| City Architectural Ltd. | Professional & scientific | 2007 |
| City Link (NO. 1) RTM Company Limited | Real estate | 2024 |
| City Link (NO. 2) RTM Company Limited | Real estate | 2024 |
| City Road Investments Limited | Real estate | 2014 |
| City Walls Wealth Management Limited | Financial services | 2026 |
| Cityheart (Kingston) Limited | Construction | 2019 |
| Cityheart Bedford Limited | Construction | 2026 |
| Cityheart Care Limited | Health & social care | 2020 |
| Cityheart Darlington Limited | Construction | 2026 |
| Cityheart Developments Limited | Real estate | 2007 |
| Cityheart Halton Limited | Real estate | 2025 |
| Cityheart Homes (GS) Limited | Construction | 2024 |
| Cityheart Homes (RGV) Limited | Construction | 2023 |
| Cityheart Homes Limited | Administrative & support | 2021 |
| Cityheart Limited | Administrative & support | 2005 |
| Cityheart Partnerships Limited | Administrative & support | 2016 |
| Cityheart Prescot Limited | Construction | 2026 |
| Cityleds Limited | Other services | 2024 |
| Civil Engineering & Groundworks Ltd | Construction | 2024 |
| Civitas Planning Limited | Professional & scientific | 2009 |
| CJ & ST Properties Limited | Health & social care | 2016 |
| CJ Aesthetics Ltd | Other services | 2016 |
| CJ Gilligan Plastering Contractor Limited | Construction | 2017 |
| CJ Roofing Solutions (NW) Ltd | Construction | 2023 |
| CJ4 Systems Limited | Professional & scientific | 2024 |
| CJB Digital Media Ltd | Professional & scientific | 2024 |
| Cjceng Ltd | Professional & scientific | 2018 |
| CJE Leisure Limited | Manufacturing | 2005 |
| Cjjland Limited | Real estate | 2019 |