| Chaudhary Exports Limited | Wholesale & retail | 2023 |
| Chawn Hill Church | Other services | 2010 |
| Chawn Park Community Group Ltd | Health & social care | 2025 |
| Checkhill Farm Dog Fields Ltd | Other services | 2025 |
| Checksum IT Solutions Ltd | Information & communication | 2022 |
| Cheesman Products (Automotive) Limited | Manufacturing | 1973 |
| Cheezlay Ltd | Wholesale & retail | 2018 |
| Chemport Limited | Administrative & support | 2009 |
| Cherry Group Limited | Wholesale & retail | 2018 |
| Cherry O Ltd | Real estate | 2021 |
| Cheryl LEE Associates Ltd | Professional & scientific | 2013 |
| Chessford Ltd | Transport & logistics | 2015 |
| Chestnut Grove Harborne Management Company Limited | Households | 2017 |
| Chesworth Capital Limited | Financial services | 2015 |
| Chicini Limited | Wholesale & retail | 2019 |
| Childcare Cafe Ltd | Health & social care | 2021 |
| Chill & Cheers Ltd | Wholesale & retail | 2025 |
| Chillerbill Ltd | Manufacturing | 2014 |
| Chilly Kiddy's Limited | Arts & recreation | 2025 |
| Chilton GAS Installation & Maintenance Limited | Construction | 2023 |
| Chilts Plumbing & Heating Limited | Construction | 2012 |
| China Jewel Limited | Manufacturing | 2015 |
| Chivers Fire Design Limited | Professional & scientific | 2014 |
| Chloe Hannah Ltd | Other services | 2016 |
| Chordata Solutions Ltd | Other services | 2012 |
| Chris Longmore Plant Hire & Groundworks Limited | Construction | 2011 |
| Chris Poole Holdings Limited | Financial services | 2016 |
| Christie & Bingham Limited | Real estate | 2016 |
| Christina Boli Ltd | Health & social care | 2022 |
| Christmaslighting Limited | Manufacturing | 2000 |
| Chrome Fireworks Limited | Professional & scientific | 2009 |
| Chrysalis Business Development Ltd | Professional & scientific | 2019 |
| CHS Media Limited | Other services | 2016 |
| Church in the Community Group of Churches | Other services | 2012 |
| Church View CT. Freehold Ltd | Households | 2026 |
| Church View Rentals Limited | Real estate | 2019 |
| Churchfields Court Limited | Real estate | 2006 |
| Churchfields Court Management Limited | Real estate | 2006 |
| Churchfields Services Limited | Information & communication | 2026 |
| Churchill Court (Stourbridge) Management Company Limited | Hospitality | 1995 |
| Cinco Haus Ltd | Wholesale & retail | 2025 |
| CIS Products Ltd | Wholesale & retail | 2025 |
| City Osteopaths UK Limited | Health & social care | 2005 |
| CJB Group Limited | Information & communication | 2019 |
| Cjce Hospitality Ltd | Hospitality | 2023 |
| CJL Sports Ltd | Wholesale & retail | 2025 |
| CJS Data Services Ltd | Information & communication | 2026 |
| CJW Disability Training and Assessing Ltd | Administrative & support | 2022 |
| CK Installation Specialists Limited | Construction | 2014 |
| Ckcc Management Limited | Professional & scientific | 2005 |
| Cladfix Ltd | Construction | 2019 |
| Cladit Walls Limited | Construction | 2019 |
| Clancy ISW Ltd | Health & social care | 2020 |
| Clarach Investment Holdings Limited | Financial services | 2017 |
| Clarendon Care (Kidderminster) Limited | Health & social care | 1997 |
| Clarendon Care Group Limited | Health & social care | 1998 |
| Clarendon Care Services Limited | Health & social care | 1992 |
| Clarendon Group Investments Limited | Real estate | 2006 |
| Clarity Consignments Limited | Wholesale & retail | 2018 |
| Clarke Build Limited | Construction | 2011 |
| Classicos Aqua Limited | Manufacturing | 2026 |
| Clauluci Transport Ltd | Transport & logistics | 2026 |
| CLC (UK) Limited | Manufacturing | 2001 |
| Clean and Simple West Midlands Ltd | Administrative & support | 2023 |
| Cleanroom and Containment Facilities Limited | Construction | 2018 |
| Clear Wave 222 Limited | Manufacturing | 2021 |
| Clent Hills Campers and Vans Ltd | Wholesale & retail | 2026 |
| Clent Hills Orchards CIC | Agriculture & fishing | 2025 |
| Clent Life Holdings Ltd | Financial services | 2021 |
| Clent Life Science Limited | Manufacturing | 2009 |
| Cleopatra Logistics Ltd | Transport & logistics | 2026 |
| Clewer Rail Consultancy Limited | Professional & scientific | 2025 |
| CLG Management Services Limited | Professional & scientific | 2003 |
| Click Ship Deliver Ltd | Transport & logistics | 2017 |
| Clinton Property Services Ltd | Construction | 2023 |
| CLJ Recruitment Ltd | Administrative & support | 2020 |
| Cloud Broadband Ltd | Information & communication | 2024 |
| Cloverleaf Consulting Limited | Other services | 2010 |
| Clow Life Limited | Manufacturing | 2021 |
| CLR Health Ltd | Administrative & support | 2025 |
| CM Car Services Limited | Wholesale & retail | 1999 |
| CM Support Limited | Health & social care | 2016 |
| Cmma Limited | Construction | 2019 |
| CNC Doors Holdings Limited | Financial services | 2025 |
| Coach Reason Ltd | Education | 2020 |
| Coachingloop Ltd | Education | 2025 |
| Codedcompass Ltd | Professional & scientific | 2024 |
| Coffee Perks Limited | Wholesale & retail | 2020 |
| Coffee Shop Oldswinford Ltd | Hospitality | 2013 |
| Coffee Stain Vintage Ltd | Wholesale & retail | 2025 |
| Coffee Station Ltd | Administrative & support | 2021 |
| Cofton Greens Ltd | Agriculture & fishing | 2024 |
| Cognitive Holdings Limited | Financial services | 2019 |
| Cognitive Network Solutions Limited | Information & communication | 1995 |
| Colbie’S Ltd | Hospitality | 2025 |
| Collective Imagination Community Ltd | Education | 2020 |
| Collective Imagination Ltd | Education | 2003 |
| College Auto & Motor Care Centre Limited | Manufacturing | 2003 |
| College Autos Limited | Manufacturing | 2011 |
| Colmer Estates Limited | Real estate | 2020 |