| Currie & Warner (Holdings) Limited | Professional & scientific | 1982 |
| Currie & Warner Limited | Manufacturing | 1913 |
| Curry Fair Ltd | Hospitality | 2019 |
| Curry Garden Erdington Ltd | Hospitality | 2026 |
| Curtain Room Ltd | Wholesale & retail | 2026 |
| Curtains & More by Britannia Ltd | Manufacturing | 2022 |
| Curtandcon Ltd | Wholesale & retail | 2025 |
| Curtis Driving Ltd | Manufacturing | 2025 |
| Curtiss Limited | Wholesale & retail | 2025 |
| Curtrax Ltd | Wholesale & retail | 2023 |
| Curve Creative Design Centre Limited | Arts & recreation | 2010 |
| Curve Engineering Solutions Limited | Professional & scientific | 2017 |
| Curveform Ltd | Information & communication | 2026 |
| Curvex Technology Ltd | Manufacturing | 2019 |
| Curzon Park (Residents) Management Company Limited | Households | 2019 |
| Curzon ST Properties Limited | Real estate | 2017 |
| Cusa Athletics Limited | Other services | 2023 |
| Cushendall Digital Ltd | Arts & recreation | 2024 |
| Cusp Films Ltd | Information & communication | 2022 |
| Custacin Ltd | Administrative & support | 2021 |
| Custard Cars Ltd | Wholesale & retail | 2025 |
| Custodian Property Services Ltd | Administrative & support | 2026 |
| Custom Bellows Limited | Manufacturing | 2009 |
| Custom Club Sales Ltd | Wholesale & retail | 2023 |
| Custom Cuir Ltd | Wholesale & retail | 2025 |
| Custom Formulations Limited | Manufacturing | 2021 |
| Custom Logo Work Ltd | Information & communication | 2026 |
| Custom Merchandise UK Ltd | Wholesale & retail | 2024 |
| Custom Motor Bodies Ltd | Wholesale & retail | 2015 |
| Custom PV Tech Ltd | Construction | 2025 |
| Custom Sherwani Company Ltd | Wholesale & retail | 2022 |
| Custom Snack & Co Ltd | Hospitality | 2017 |
| Customate Ltd | Information & communication | 2018 |
| Customer Catalogue Limited | Wholesale & retail | 2015 |
| Customer Choice Barber Ltd | Other services | 2018 |
| Customer First Venue Services Ltd | Real estate | 2013 |
| Customize by Alimize Limited | Wholesale & retail | 2023 |
| Customs Support Ltd | Administrative & support | 2020 |
| Customsguru Limited | Professional & scientific | 2023 |
| Custora Ltd | Administrative & support | 2026 |
| CUT Avenue Ltd | Other services | 2024 |
| CUT IT OUT Post Production Limited | Information & communication | 2011 |
| CUT N Crank Ltd | Manufacturing | 2026 |
| CUT Tech Designs Limited | Wholesale & retail | 2017 |
| CUT. Barbershop Birmingham Ltd | Other services | 2025 |
| Cutchi Sunni Muslim Association (Birmingham) | Other services | 2010 |
| Cute Hair & Beauty Salon Ltd | Other services | 2016 |
| Cuthberts Estates Limited | Financial services | 2024 |
| Cutlers Park Limited | Construction | 2003 |
| Cutnall Green Ltd | Real estate | 2018 |
| Cutress Construction Ltd | Construction | 2025 |
| Cutress Limited | Hospitality | 2017 |
| Cutress Windows Ltd | Construction | 2025 |
| Cuts & Styles Ltd | Other services | 2024 |
| Cutsword Industrial Limited | Manufacturing | 2025 |
| Cutter Management Services Limited | Professional & scientific | 2017 |
| Cutting Blue Ltd | Administrative & support | 2017 |
| Cutting Blue Solutions Ltd | Professional & scientific | 2020 |
| Cutting Corner (B'Ham) Ltd | Other services | 2012 |
| Cuttle Brook Management Company Ltd | Households | 2018 |
| Cuxac Consulting Limited | Professional & scientific | 2022 |
| Cuzaaslan Ltd | Transport & logistics | 2026 |
| CV Couriers Ltd | Transport & logistics | 2017 |
| CV One Ltd. | Real estate | 2016 |
| CV1 Hospitality Limited | Hospitality | 2022 |
| CV4TEACH Ltd | Information & communication | 2025 |
| CV6 Ltd | Administrative & support | 2012 |
| Cvac Holdings Limited | Financial services | 2021 |
| CVB35 Limited | Hospitality | 2025 |
| CVC Media Services Limited | Information & communication | 1991 |
| CVD Express Ltd | Transport & logistics | 2018 |
| Cvl:Ldn Limited | Administrative & support | 2011 |
| CVS Assist Ltd | Financial services | 2021 |
| CVS Deliverables Limited | Information & communication | 2022 |
| CVS Financial Limited | Extraterritorial | 2012 |
| CVS Financial Planning Ltd | Financial services | 2007 |
| CVS Technologies Ltd | Information & communication | 2009 |
| Cvvc Ltd | Health & social care | 2022 |
| CVW Properties Limited | Real estate | 2005 |
| CW Aquatic Traders Limited | Wholesale & retail | 2024 |
| CW BHX Limited | Hospitality | 2025 |
| CW International Aqautic Limited | Wholesale & retail | 2024 |
| CW Lounge Limited | Hospitality | 2024 |
| CW Recruiting Services Ltd | Information & communication | 2026 |
| CW Signs Ltd | Manufacturing | 2023 |
| CW Snooker Ltd | Arts & recreation | 2021 |
| CW Subs Ltd | Administrative & support | 2013 |
| CW Trading Midlands Ltd | Wholesale & retail | 2026 |
| Cw&Ak Limited | Hospitality | 2019 |
| Cwconstruction&Refurbishments Ltd | Construction | 2025 |
| CWE Food Limited | Hospitality | 2025 |
| Cwfa Property Limited | Real estate | 2022 |
| Cwlu Limited | Other services | 2024 |
| Cwmesltd Limited | Information & communication | 2024 |
| Cwondemand Limited | Wholesale & retail | 2021 |
| CWP Holdings Limited | Real estate | 1981 |
| CWR Centre Ltd | Other services | 2025 |
| CWS Flooring Solutions Limited | Construction | 2013 |
| CWS Legal Services Limited | Professional & scientific | 2015 |
| CWT Catering Limited | Hospitality | 2026 |