| Brindley Special Projects Limited | Construction | 2005 |
| Brithard Enterprises Private Limited | Construction | 2020 |
| BRO Domus Limited | Real estate | 2024 |
| BRO Holdings Limited | Financial services | 2022 |
| Brotherjohns Ltd | Professional & scientific | 2025 |
| Brushstrokes Roadsweepers Limited | Administrative & support | 2008 |
| BS Thind Limited | Construction | 2021 |
| Bsgill Limited | Transport & logistics | 2014 |
| BSK Driving Ltd | Transport & logistics | 2023 |
| BSR Tools Ltd | Administrative & support | 2025 |
| BT Compressor Services Ltd | Professional & scientific | 2022 |
| BTS Construction Ltd | Construction | 2020 |
| Budget Windscreens Ltd | Wholesale & retail | 2003 |
| Build to Serve Ltd | Other services | 2016 |
| Built 4 Work Security Ltd | Administrative & support | 2025 |
| Built for WAR Ltd | Wholesale & retail | 2025 |
| Bulldog Plumbing Services Ltd | Construction | 2023 |
| Bumford Holdings Limited | Financial services | 2017 |
| Bytestream Technologies Limited | Information & communication | 2018 |
| C K Dobson Holdings Limited | Financial services | 2021 |
| C L Bilston Ltd | Hospitality | 2025 |
| C R Heating Solutions Limited | Manufacturing | 2021 |
| C&C Headley Limited | Construction | 2025 |
| C&S Services Ltd | Hospitality | 2019 |
| C&V Care Solutions Ltd | Other services | 2016 |
| C. J. Transport (Coseley) Limited | Administrative & support | 2007 |
| C.& S.Steels(Wolverhampton)Limited | Manufacturing | 1964 |
| C.D.M. Construction (West Midlands) Limited | | 1983 |
| C.E. Gilbert & SON (Developments) Limited | Construction | 1996 |
| CA Light Haulage Ltd | Transport & logistics | 2012 |
| CAA Security Ltd | Administrative & support | 2023 |
| Cafe Metro (Bilston) Limited | Hospitality | 2008 |
| Cali Connect Nutrients Ltd | Wholesale & retail | 2019 |
| Camada Properties Limited | Construction | 2013 |
| Camdenjones Limited | Arts & recreation | 2009 |
| Campbell's & SON Window & Doors Ltd | Construction | 2026 |
| Canula Ltd | Wholesale & retail | 2024 |
| Capitol Mobility Services Limited | Wholesale & retail | 1997 |
| Car EMP Clinic Ltd | Wholesale & retail | 2025 |
| Caramel Cleaning Services Ltd | Administrative & support | 2026 |
| Carcorex Ltd | Water & waste | 2026 |
| Carlow Motors Ltd | Wholesale & retail | 2026 |
| Carnegie Care Solutions Ltd | Health & social care | 2022 |
| Carneval Creative Limited | Information & communication | 2022 |
| Cars and Kicks Limited | Wholesale & retail | 2019 |
| Carthago PVT Ltd | Transport & logistics | 2025 |
| Casa Bella Property Ltd | Real estate | 2024 |
| Casper&Madara Limited | Wholesale & retail | 2019 |
| Castle Skip Hire & Groundworks Limited | Water & waste | 2005 |
| Cathey Joel Ltd | Health & social care | 2022 |
| Cavola Limited | Wholesale & retail | 2025 |
| CCB Investment Group Limited | Real estate | 2017 |
| Cebotari Mech Ltd | Wholesale & retail | 2025 |
| CEL Legal Limited | Administrative & support | 2016 |
| Cellsafetyuk Ltd | Professional & scientific | 2025 |
| Celon Luxe Ltd | Wholesale & retail | 2026 |
| Centre for International and Strategic Affairs Limited | Education | 2021 |
| Centre for the Advancement of Women and Children in Difficult Circumstances Ltd | Other services | 2014 |
| Ceri's Retreat Ltd | Hospitality | 2021 |
| Ceylon Best Homemade Limited | Wholesale & retail | 2024 |
| Chahal Brothers Construction Ltd | Construction | 2024 |
| Chahal Ventures Limited | Information & communication | 2025 |
| Chahaltrading Ltd | Transport & logistics | 2024 |
| Chalish Limited | Financial services | 2014 |
| Chancery Property Developments Limited | Real estate | 2000 |
| Chandni Chowk (Bham) Limited | Hospitality | 2009 |
| Changing Lives Keem C.I.C. | Health & social care | 2023 |
| Charles Consultancy Ltd | Professional & scientific | 2025 |
| Charlie 2000 Ltd | Professional & scientific | 2012 |
| Charlotte Jordan Ltd | Education | 2023 |
| Chase Equipment Limited | Manufacturing | 1985 |
| Chatha Fresh Food Limited | Hospitality | 2018 |
| Chatney Ltd | Hospitality | 2025 |
| CHB Developments (West Midlands) Ltd | Construction | 2023 |
| Chescatyty Limited | Health & social care | 2020 |
| Chet&P Ltd | Professional & scientific | 2024 |
| Chill Spot UK Limited | Hospitality | 2017 |
| Chopmoney Ltd | Information & communication | 2022 |
| Chouhan&Sons Limited | Wholesale & retail | 2026 |
| Chutney Cuisine Ltd | Hospitality | 2026 |
| Chutney's Ltd | Hospitality | 2024 |
| City Claim Centre Ltd | Wholesale & retail | 2014 |
| City Concrete Ltd | Manufacturing | 2024 |
| City of Beauty Ltd | Education | 2026 |
| City of Licensing Limited | Professional & scientific | 2020 |
| City of Wolverhampton College Enterprises Limited | Hospitality | 2019 |
| City Radiator Services Limited | Wholesale & retail | 2009 |
| CJB UK Consultancy Ltd | Information & communication | 2021 |
| CJB UK Consultants Limited | Information & communication | 2025 |
| CJP UK Holdings Limited | Real estate | 2019 |
| CJZ Design Limited | Professional & scientific | 2012 |
| CKP Group Ltd | Hospitality | 2025 |
| Clario Digital Ltd | Information & communication | 2025 |
| Clariton Energy Limited | Wholesale & retail | 2024 |
| Class 1 Carpenters Ltd | Construction | 2021 |
| Classic Mercedes Limited | Wholesale & retail | 2025 |
| Clear Grid Solutions Ltd | Administrative & support | 2026 |
| Cleobury Solutions Limited | Information & communication | 2011 |
| Clever Closet Limited | Manufacturing | 2011 |
| Clever Cognitions Limited | Education | 2012 |