| College Mews Management Company (Malvern) Limited | Hospitality | 1985 |
| Collison & Ellings Limited | Hospitality | 2018 |
| Colomon Properties Limited | Real estate | 1937 |
| Colston Bakery Limited | Manufacturing | 2013 |
| Columbia 50TH Investment Ltd | Financial services | 2019 |
| Columbus Computing Limited | Information & communication | 2009 |
| Colwall Community Church | Other services | 2011 |
| Colwall Construction Limited | Construction | 2025 |
| Colwall Consulting Ltd | Professional & scientific | 2023 |
| Colwall Gardens Management Company Limited | Households | 2018 |
| Colwall Management Limited | Professional & scientific | 2000 |
| Colwall MOT & Tyre Centre Limited | Wholesale & retail | 2016 |
| Colwall Motor Services Limited | Wholesale & retail | 2013 |
| Colwall Orchard Trust | Other services | 2011 |
| Colwall Partnership Limited | Real estate | 2024 |
| COM Floor Limited | Information & communication | 2005 |
| Comaiz Consulting Limited | Information & communication | 2004 |
| Combe Lodge Management Limited | Households | 1999 |
| Combermere Management Limited | Households | 1989 |
| Commandery Stone Limited | Construction | 2021 |
| Commercial Finance (Midlands) Ltd | Financial services | 2017 |
| Commodore Consulting Ltd | Professional & scientific | 2018 |
| Company 03051103 Limited | Professional & scientific | 1995 |
| Compassorigin Limited | Professional & scientific | 2014 |
| Complete Footcare Limited | Health & social care | 2003 |
| Components & Manufacturing Solutions Limited | Wholesale & retail | 1999 |
| Computer Shack Limited | Information & communication | 1981 |
| Concrete Industry Supplies Ltd | Wholesale & retail | 2021 |
| Confetti Florist Ltd | Wholesale & retail | 2017 |
| Connectus Global Ltd | Professional & scientific | 2025 |
| Consequence UK Limited | Education | 2002 |
| Construction Design Services Ltd | Professional & scientific | 2018 |
| Consultconsent Limited | Health & social care | 2020 |
| Consulting Associates Worldwide Limited | Hospitality | 2001 |
| Containment Film Limited | Information & communication | 2014 |
| Contemporary Care Ltd | Health & social care | 2014 |
| Contract Composites Limited | Construction | 1995 |
| Cook and Grow Together CIC | Education | 2019 |
| Cool Sheepskin Limited | Wholesale & retail | 2011 |
| Copland Legal Services Ltd | Administrative & support | 2025 |
| Copper Trees Management Company Limited | Households | 2017 |
| Corley and Powell Ltd | Professional & scientific | 2018 |
| Corridan Training Ltd | Professional & scientific | 2009 |
| Cosy Couture Hotel Group Ltd | Extraterritorial | 2015 |
| Cotswold Aggregates Ltd | Transport & logistics | 2024 |
| Cotswold BIO Fuels Ltd | Wholesale & retail | 2019 |
| Country House Holidays Limited | Hospitality | 2018 |
| Country Kitchenware Supplies Limited | Wholesale & retail | 1979 |
| County Building Supplies (Cheltenham) Limited | Wholesale & retail | 2002 |
| County Building Supplies (Droitwich) Limited | Wholesale & retail | 1995 |
| County Building Supplies (Evesham) Limited | Wholesale & retail | 1999 |
| County Building Supplies (Holdings) Limited | Professional & scientific | 2008 |
| County Building Supplies (Monmouth) Limited | Wholesale & retail | 2011 |
| County Building Supplies (Nuneaton) Limited | Wholesale & retail | 1989 |
| County Building Supplies Group Limited | Professional & scientific | 2003 |
| County Building Supplies Limited | Wholesale & retail | 1987 |
| County Electrical Worcestershire Limited | Construction | 2022 |
| County Windows and Conservatories (Malvern) Limited | Construction | 2004 |
| Court House Ledbury Limited | Professional & scientific | 2005 |
| Cowleigh Court (Malvern) Limited | Households | 1981 |
| Cowleigh Holdings Limited | Real estate | 2026 |
| Cowleigh Road Management Company Limited | Households | 1995 |
| CP Foods (UK) Limited | Wholesale & retail | 2001 |
| Cpop Holdings Limited | Agriculture & fishing | 2017 |
| CQS (Certified Quality Systems) Limited | Professional & scientific | 2000 |
| CQS Audits Limited | Professional & scientific | 1998 |
| CQS Compliance Ltd | Professional & scientific | 2025 |
| CQS International Limited | Professional & scientific | 2002 |
| Cradley Stoves Limited | Administrative & support | 2014 |
| Create a Space Garden Room Design Limited | Professional & scientific | 2022 |
| Create-A-Word | Wholesale & retail | 2003 |
| Create-A-Word Books Ltd | Wholesale & retail | 2017 |
| Creative Mark Limited | Information & communication | 1997 |
| Creative OWL Ltd | Professional & scientific | 2020 |
| Credo Fresh Limited | Agriculture & fishing | 2022 |
| Croftdown Court (the Old School House) Ltd | Households | 2011 |
| Croftdown Court Residents Management Company Limited | Households | 2017 |
| Croftdown Court WH Limited | Households | 2020 |
| Cross London Limited | Real estate | 2024 |
| Crown of Roses Limited | Other services | 2022 |
| Cryotech Services Ltd | Wholesale & retail | 2023 |
| Crystalight Limited | Real estate | 1996 |
| CSB Property Management Ltd | Real estate | 2018 |
| CT & Co Accountants Limited | Professional & scientific | 2018 |
| Cubs Promotions Limited | Administrative & support | 2016 |
| Cyma - Resonance Ltd | Manufacturing | 2006 |
| D C Building Developments Limited | Construction | 2012 |
| D Searby Building Limited | Construction | 2005 |
| D&S Accountancy Services Ltd | Professional & scientific | 2021 |
| D.A.R. (Malvern) Ltd | Wholesale & retail | 2005 |
| Daisies Vouchers Limited | Administrative & support | 2005 |
| DAN Ford Coaching Ltd. | Education | 2017 |
| Dance in Motion Ltd | Arts & recreation | 2011 |
| Daniels Petroleum Ltd | Wholesale & retail | 2013 |
| Daniels Vehicle Sales Ltd | Wholesale & retail | 2013 |
| Daniels Vehicle Services Ltd | Wholesale & retail | 2013 |
| Darsoft Limited | Professional & scientific | 2016 |
| Dawes Court RTM Company Limited | Households | 2025 |
| DB Homes (Welland) Ltd | Construction | 2015 |
| DB Land and Planning Consultancy Limited | Professional & scientific | 2008 |