| Cleeton MX Ltd | Arts & recreation | 2024 |
| Clemenor Ltd | Administrative & support | 2023 |
| Cleobury Cafe Ltd | Hospitality | 2025 |
| Cleobury Cloudz Ltd | Other services | 2023 |
| Cleobury Mortimer Rugby Football Club Limited | Arts & recreation | 2012 |
| Cleobury Mortimer Sports and Social Club | Arts & recreation | 1991 |
| Cleobury Optical Limited | Wholesale & retail | 2014 |
| Cleobury Property Services Limited | Construction | 2010 |
| Cleverkiwi Ltd | Transport & logistics | 2019 |
| Clientele Group Limited | Construction | 2014 |
| Clinical Perspectives Ltd | Health & social care | 2026 |
| Clockhouse Bewdley Ltd | Hospitality | 2023 |
| Clos Cellars Ltd | Wholesale & retail | 2024 |
| Cloud Top Technology Ltd | Information & communication | 2020 |
| Clulee Renovations Ltd | Construction | 2025 |
| Clutch and Service Centre Limited | Wholesale & retail | 2006 |
| CM Bespoke Care Ltd | Administrative & support | 2017 |
| CM Holland Ltd | Real estate | 2025 |
| CM Leung Ltd | Hospitality | 2016 |
| CM Protection Services Ltd | Administrative & support | 2022 |
| CM Serv Ltd | Transport & logistics | 2024 |
| CM Training Academy Ltd | Education | 2024 |
| CMP Wealth Management Holding Company Limited | Financial services | 2024 |
| Coach Innovations Limited | Transport & logistics | 2006 |
| Cobley Consultancy Ltd | Real estate | 2023 |
| Codename AI Ltd | Information & communication | 2023 |
| Coeus Consultants Limited | Information & communication | 2022 |
| Coffee Loco Ltd | Hospitality | 2024 |
| Coimium Ltd | Wholesale & retail | 2023 |
| Coldbackie Ltd | Transport & logistics | 2021 |
| Coles Agri Services Ltd | Manufacturing | 2020 |
| Colliacontara Ltd | Wholesale & retail | 2018 |
| Collidemere Ltd | Administrative & support | 2019 |
| Colliers Cafe Ltd | Hospitality | 2023 |
| Collision Repair Specialists Limited | Wholesale & retail | 2000 |
| Combe & Browne (Services) Limited | Households | 1964 |
| Comberton Court Management Limited | Households | 1982 |
| Comberton Dental Surgery Limited | Health & social care | 2010 |
| Comberton Hall Lodge Management Company Limited | Households | 2007 |
| Comberton Management & Consultancy Limited | Professional & scientific | 2023 |
| Combi Pro UK Ltd | Manufacturing | 2023 |
| Comcount Limited | Manufacturing | 1985 |
| Comfort Shoe Warehouse Holdings Limited | Financial services | 2022 |
| Comfort Shoe Warehouse Limited | Wholesale & retail | 2016 |
| Commeng (Birmingham) Limited | Extraterritorial | 2015 |
| Commercial Flooring Co. Ltd | Construction | 2026 |
| Commfree Ltd | Transport & logistics | 2019 |
| Communication TV Limited | Professional & scientific | 2001 |
| Company Requirements Ltd | Professional & scientific | 2012 |
| Compass Housing Solutions Ltd | Professional & scientific | 2025 |
| Complete Clad Ltd | Construction | 2026 |
| Complete Prop Care Ltd | Administrative & support | 2024 |
| Concentrated Mind Ltd | Health & social care | 2019 |
| Concept Furniture International Ltd | Administrative & support | 1997 |
| Concept Storage Solutions Limited | Transport & logistics | 2025 |
| Conduit Lane Apartments (Bridgnorth) Management Company Limited | Households | 2006 |
| Conexus Property Company Limited | Households | 2022 |
| Connect Business Support Limited | Professional & scientific | 2025 |
| Connect Electrical (Worcester) Limited | Construction | 2006 |
| Connected Futures Psychology Ltd | Education | 2020 |
| Consortium One (Coventry) Limited | Professional & scientific | 2026 |
| Consult Change and Programmes Limited | Professional & scientific | 2024 |
| Contemplate Design Limited | Administrative & support | 2017 |
| Contempo Building and Landscaping Ltd | Construction | 2019 |
| Continu Plus Academy Trust | Education | 2012 |
| Contractair Ltd. | Administrative & support | 1997 |
| Control CNC Services Limited | Manufacturing | 2016 |
| Control TEC Limited | Professional & scientific | 2019 |
| Control Water Group Limited | Manufacturing | 2008 |
| Cook Bros Ltd | Construction | 2021 |
| Cook Signalling & Engineering Limited | Professional & scientific | 2025 |
| Cookley Catering Ltd. | Hospitality | 2015 |
| Cookley Fisheries Ltd | Hospitality | 2016 |
| Cooper & Chinn Motor Repairs Limited | Wholesale & retail | 2014 |
| Cooper Mortimer Plant Limited | Financial services | 2004 |
| Core Osteopathy Limited | Health & social care | 2008 |
| Corfix Limited | Construction | 1973 |
| Corfix Structures Limited | Construction | 1989 |
| Coronaria Ltd | Transport & logistics | 2018 |
| Corporate Media Displays Limited | Arts & recreation | 2000 |
| Cortes Gold Limited | Financial services | 2014 |
| Corvedale Equestrian Limited | Agriculture & fishing | 2019 |
| Countash J-Tech Limited | Wholesale & retail | 2022 |
| Country Finance Ltd | Financial services | 2026 |
| County Equestrian Jewellers Ltd | Manufacturing | 2018 |
| County Horse Fine Feed Limited | Agriculture & fishing | 2004 |
| Court LEA Management Company Limited | Real estate | 1997 |
| Cowern Construction Ltd | Construction | 2025 |
| Coworkly Ltd | Transport & logistics | 2019 |
| CPR Hair Limited | Other services | 2024 |
| Cpuk Trading Ltd | Wholesale & retail | 2017 |
| Craddock Financial Solutions Ltd | Financial services | 2025 |
| Crafted Fabrications Limited | Manufacturing | 2025 |
| Craig Hopkins Plumbing and Heating Limited | Construction | 2018 |
| Crane & Accessory Systems Limited | Professional & scientific | 2026 |
| Creakle Limited | Other services | 2020 |
| Creanzy Ltd | Wholesale & retail | 2023 |
| Creationbirmingham Ltd | Professional & scientific | 2017 |
| Creative Blue Limited | Manufacturing | 2024 |
| Creative Edge Agency Limited | Arts & recreation | 2025 |