| C M Asset Investments Limited | Real estate | 2017 |
| C M Vans Ltd | Wholesale & retail | 2025 |
| C Media Limited | Financial services | 2010 |
| C Mens Ltd | Transport & logistics | 2017 |
| C Note Linc Ltd | Wholesale & retail | 2017 |
| C P (B'Ham) Ltd | Hospitality | 2022 |
| C P Builders (Shrewsbury) Limited | Construction | 2015 |
| C P Medical International Ltd | Financial services | 2021 |
| C P Steel Processing Limited | Wholesale & retail | 2003 |
| C Parker Investments Limited | Professional & scientific | 2006 |
| C R a T E Media Associates Limited | Professional & scientific | 2019 |
| C R Tech Ltd | Wholesale & retail | 2018 |
| C Rose Consultancy Ltd | Professional & scientific | 2024 |
| C Russell Beauty Ltd | Other services | 2024 |
| C S D B Merchants Ltd | Wholesale & retail | 2021 |
| C S Education Ltd | Education | 2011 |
| C S Logistics (Bham) Ltd | Transport & logistics | 2021 |
| C S Printing Limited | Wholesale & retail | 2016 |
| C S R Properties (Telford) Ltd | Real estate | 2004 |
| C S Rigging Midlands Ltd | Administrative & support | 2021 |
| C S Travel (WM) Limited | Administrative & support | 2024 |
| C S Travel and Money Transfer Limited | Financial services | 2024 |
| C System Services Limited | Professional & scientific | 2022 |
| C T Mobile Mechanic Ltd | Wholesale & retail | 2017 |
| C T T Plastering & Rendering Ltd | Construction | 2025 |
| C V Bay Group Limited | Administrative & support | 2025 |
| C V T Vehicle Testing LLP | | 2011 |
| C V T Vehicle Services Limited | Manufacturing | 2004 |
| C Village Limited | Hospitality | 2019 |
| C W Micodan Ltd | Professional & scientific | 2019 |
| C W Vehicle Service Limited | Wholesale & retail | 2020 |
| C Walker Ltd | Construction | 2025 |
| C Wzrd Limited | Education | 2019 |
| C X Plant Hire Limited | Administrative & support | 2013 |
| C Y Capital Limited | Real estate | 2019 |
| C Z Handsaker Floral Designs Limited | Other services | 2012 |
| C&C Airbnb Property Ltd | Hospitality | 2025 |
| C&Cuk Limited | Households | 2026 |
| C&D Financial Services Limited | Financial services | 2026 |
| C&D Makeup Limited | Real estate | 2023 |
| C&L Business Limited | Professional & scientific | 2026 |
| C&L Driving Group Ltd | Transport & logistics | 2018 |
| C&L Entertainment Ltd | Hospitality | 2024 |
| C&N Lifestyle Express Limited | Wholesale & retail | 2022 |
| C&O Joinery Ltd | Manufacturing | 2023 |
| C&O Leisure Ltd | Hospitality | 2025 |
| C&O Properties (Midlands) Limited | Real estate | 2025 |
| C&P AA Limited | Hospitality | 2023 |
| C&P Brackley Ltd | Hospitality | 2025 |
| C&R Developments Ltd | Real estate | 2025 |
| C&R Mechanical Services Ltd | Wholesale & retail | 2019 |
| C&S Architects and Development Ltd. | Professional & scientific | 2010 |
| C&S Freight Limited | Transport & logistics | 2025 |
| C&S Removals Ltd | Transport & logistics | 2025 |
| C&Y Productions Ltd | Arts & recreation | 2019 |
| C-Fix-It Ltd | Information & communication | 2021 |
| C-Line Studio Limited | Other services | 2025 |
| C-Myc Real Estate Investment Limited | Real estate | 2023 |
| C-Sky Limited | Wholesale & retail | 2023 |
| C-Sweets & Pastries Ltd | Wholesale & retail | 2025 |
| C-T Consultancy Ltd | Administrative & support | 2025 |
| C-Talisman Ltd. | Financial services | 1999 |
| C. a. P. Express Limited | Wholesale & retail | 2024 |
| C. Armstrong Designs Ltd | Professional & scientific | 2021 |
| C. Brown & Sons (Steel) Limited | Manufacturing | 1954 |
| C. Brown Solutions Limited | Construction | 2010 |
| C. Dolan Ltd | Construction | 2016 |
| C. E. & I. Gowns Limited | Extraterritorial | 1995 |
| C. Faulkner and Sons Limited | Wholesale & retail | 1957 |
| C. Fullard (Metals) Limited | Wholesale & retail | 1986 |
| C. G. Reynolds Limited | Construction | 1990 |
| C. Harrison Ltd | Professional & scientific | 2010 |
| C. J. Furey Construction Ltd. | Construction | 1983 |
| C. O. B. Luton Limited | Manufacturing | 1975 |
| C. Ward Transport Ltd | Transport & logistics | 2017 |
| C.A.B. Joinery Services Limited | Construction | 1987 |
| C.A.G Projects Ltd | Construction | 2025 |
| C.A.G.E. Pipework Services Ltd | Wholesale & retail | 2021 |
| C.A.N. Transport Ltd | Transport & logistics | 2018 |
| C.A.P. Productions Limited | Wholesale & retail | 1947 |
| C.A.T Technology Ltd | Information & communication | 2025 |
| C.B. Properties (Midlands) Limited | Administrative & support | 2005 |
| C.B.Frost & Co Limited | Manufacturing | 1948 |
| C.B.H. Fasteners Limited | Wholesale & retail | 1987 |
| C.B.N. (G.B.) Limited | Real estate | 2001 |
| C.B.S. Properties (Small Heath) Limited | Real estate | 2002 |
| C.C Worcester Ltd | Real estate | 2023 |
| C.C.C.P. Limited | Real estate | 1989 |
| C.E.M.L Electrical Ltd | Construction | 2026 |
| C.E.S. Properties (Midlands) Limited | Real estate | 2020 |
| C.E.W Group Limited | Construction | 2016 |
| C.Go Asian Ltd | Wholesale & retail | 2022 |
| C.H Dhaliwal Limited | Extraterritorial | 2012 |
| C.H. Barnett Ltd. | Manufacturing | 1991 |
| C.H. Marketing Limited | Professional & scientific | 1999 |
| C.I Building Services Ltd | Construction | 2020 |
| C.I.E Property Development Limited | Construction | 2022 |
| C.I.S.M. Limited | Manufacturing | 2001 |
| C.J Property Services (Midlands) Limited | Real estate | 2020 |
| C.J Worldwide Ltd | Wholesale & retail | 2025 |