| Cherry Orchard Developments Limited | Construction | 2024 |
| Cherry Paddocks Management Company Limited | Administrative & support | 2016 |
| Cherry PIE Property Ltd | Real estate | 2021 |
| Cherry Tree Court Flats Company Limited | Households | 1984 |
| Chesford Grange Care Limited | Health & social care | 2019 |
| Cheshire Cat Party and Events Ltd | Wholesale & retail | 2017 |
| Cheshire Farriers Ltd | Agriculture & fishing | 2026 |
| Chester Cleaning Hub Limited | Administrative & support | 2022 |
| Chester Court RTM Management Limited | Households | 2006 |
| Chester Labs Ltd | Wholesale & retail | 2024 |
| Chester Street Management Company (Shrewsbury) Limited | Real estate | 2005 |
| Chestnut Growers Limited | Agriculture & fishing | 2005 |
| Chestnut Homes Management Company (Coningsby) Limited | Households | 2008 |
| Chestnut Storage Limited | Real estate | 2025 |
| Chestnut Walk (Hamilton) Management Limited | Households | 2008 |
| Chestom Road (Bilston) Management Company Limited | Real estate | 2018 |
| Chilbolton Avenue Management Company Limited | Households | 2008 |
| Child Humanitarian Intervention Learning and Development Limited | Health & social care | 2018 |
| Child Maintenance Enforcement Consultants Limited | Professional & scientific | 2010 |
| Child Trauma Therapy Centre Limited | Health & social care | 2018 |
| Chilli Spice (Ditherington) Ltd | Hospitality | 2024 |
| Chiltern View (Preston) Management Company Limited | Real estate | 2022 |
| Chinese Herbs and Acupuncture Limited | Health & social care | 2006 |
| Chinnamma Thomas Ltd | Health & social care | 2017 |
| Chloe's Flowers Ltd | Wholesale & retail | 2023 |
| Chris Good Haulage Ltd | Transport & logistics | 2011 |
| Chris Hughes Multi Activity Services Ltd | Arts & recreation | 2006 |
| Chris Lowe Nutrition Ltd | Health & social care | 2026 |
| Chris Nangle Furniture Ltd | Manufacturing | 2017 |
| Chriscross Designs Limited | Manufacturing | 2025 |
| Christie Gardens (Phase 2) Management Company Limited | Households | 1988 |
| Christmas Stockholders Limited | Wholesale & retail | 1972 |
| Christopher Martin Place Residents Association Limited | Households | 2003 |
| Christopher Morland Limited | Administrative & support | 2017 |
| Chrius Technologies Limited | Administrative & support | 2012 |
| Chromix Ltd | Information & communication | 2014 |
| Church Road Garage (Baschurch) Ltd | Wholesale & retail | 2009 |
| Church Street Taverns Limited | Hospitality | 2004 |
| Church View (Lymm) Management Company Limited | Households | 2005 |
| Churchstoke Laundry Limited | Extraterritorial | 2020 |
| Churnsaver Ltd | Administrative & support | 2020 |
| Churton Consulting Limited | Professional & scientific | 2010 |
| Ciao Bella (Shrewsbury) Limited | Health & social care | 2014 |
| Cilborth Properties Limited | Hospitality | 2005 |
| Cinephonix Limited | Information & communication | 2006 |
| Circle Homes Limited | Real estate | 2022 |
| Circuithire Ltd | Administrative & support | 2024 |
| Cirqlo Limited | Wholesale & retail | 2025 |
| Citadel Farms Limited | Agriculture & fishing | 1964 |
| Citizens Advice Shropshire | Other services | 2000 |
| Citrus Education Group Limited | Education | 2026 |
| City and Field Ltd | Wholesale & retail | 2017 |
| City Environmental Services (UK) Ltd | Construction | 2002 |
| City Walk Derby Management Company Limited | Real estate | 2003 |
| Cityspec Specialist Pest Management Solutions Limited | Other services | 2006 |
| Cj's Event Hire Ltd | Administrative & support | 2025 |
| CJC Digital Ltd | Professional & scientific | 2025 |
| CJC Investments Ltd | Real estate | 2024 |
| Cjnet Limited | Professional & scientific | 2012 |
| CJP Holdings Limited | Real estate | 2015 |
| CJS Contracting Limited | Construction | 2026 |
| CJT Agile Limited | Professional & scientific | 2023 |
| CKH ENT Limited | Health & social care | 2016 |
| Cklh Ltd | Arts & recreation | 2021 |
| CL Building & Cladding Ltd | Construction | 2020 |
| Claire M Smith Limited | Professional & scientific | 2024 |
| Claire Old Compassionate Caring Limited | Professional & scientific | 2012 |
| Claire Pilkington Limited | Health & social care | 2013 |
| Clamion Trans Ltd | Transport & logistics | 2019 |
| Clanville Grange Management Company Limited | Households | 2007 |
| Claremont & FOX Ltd | Real estate | 2025 |
| Claremont Buildings Limited | Households | 2024 |
| Claremont Chambers Limited | Real estate | 2021 |
| Claremont Mews (Wolverhampton) Management Company Limited | Real estate | 1991 |
| Claremont Properties Limited | Construction | 2003 |
| Claritas Consulting Ltd | Extraterritorial | 2012 |
| Clarity Lighting Consultants Ltd | Professional & scientific | 2021 |
| Clarity Psychiatry Ltd | Health & social care | 2025 |
| Clarke & Wright Legal Ltd | Professional & scientific | 2018 |
| Clarke & Wright LLP | | 2021 |
| Clarke & Wright Trust Corporation Ltd | Professional & scientific | 2025 |
| Clarke Medical Services Limited | Health & social care | 2019 |
| Clas Building and Renovation Limited | Construction | 2013 |
| Clas Construction Limited | Construction | 2024 |
| Class Investing Limited | Households | 2018 |
| Class Martial Arts Ltd | Education | 2020 |
| Class Stays Ltd | Hospitality | 2024 |
| Class Travel Ltd | Transport & logistics | 2023 |
| Classic Barber 2BW Ltd | Other services | 2025 |
| Classic Insight Limited | Professional & scientific | 2025 |
| Claverley Group Limited | Professional & scientific | 2004 |
| Claverley Holdings Limited | Professional & scientific | 2012 |
| Clay PIT Street Whitchurch Ltd | Financial services | 2019 |
| Claycross Court Management Company Limited | Households | 1997 |
| Clayfield Court Management Limited | Professional & scientific | 2004 |
| CLC Management Limited | Wholesale & retail | 2012 |
| CLC Property Shrewsbury Limited | Real estate | 2020 |
| Clea Technology CIC | Information & communication | 2018 |
| Clean & Polish Industrial Ltd | Administrative & support | 2023 |
| Clean and Simple, Stafford Ltd | Administrative & support | 2024 |