| Brierley Hill Clutch & Gear Box Centre Ltd | Wholesale & retail | 2025 |
| Brierley Hill Clutch Centre Limited | Wholesale & retail | 2016 |
| Brierley Hill Community Forum | Other services | 2003 |
| Brierley Hill Leisure Ltd | Hospitality | 2021 |
| Brierley Hill Market CIC | Wholesale & retail | 2025 |
| Brierley Hill Remaps Ltd | Wholesale & retail | 2025 |
| Brierley Hill Self Drive Ltd | Administrative & support | 2023 |
| Brierley Hill Self Storage Ltd | Real estate | 2023 |
| Brierley Hill Team Ltd | Hospitality | 2025 |
| Brierley Holdings Ltd | Financial services | 2018 |
| Brierley Wholesale Superstore Limited | Hospitality | 2024 |
| Bright Arches Ltd | Hospitality | 2022 |
| Bright Numbers Ltd | Professional & scientific | 2025 |
| Brightpath Care Group Ltd | Health & social care | 2023 |
| Brisons Stainless Limited | Water & waste | 1978 |
| Brit Essence Limited | Wholesale & retail | 2025 |
| British Youth for Christ | Other services | 1970 |
| Brockmoor (Holdings) Limited | Financial services | 2018 |
| Brockmoor (Property) Limited | Financial services | 2018 |
| Brockmoor Cafe Ltd | Hospitality | 2025 |
| Brockmoor CRT Holdings Ltd | Financial services | 2025 |
| Brockmoor CRT Ltd | Real estate | 2025 |
| Brockmoor Foundry Company Limited(The) | Manufacturing | 1936 |
| Brown Bros Roofing Ltd | Construction | 2002 |
| Brucest Ltd | Agriculture & fishing | 2024 |
| Bryant & Lamb Properties Ltd | Real estate | 2023 |
| Bryland (Holdings) Limited | Financial services | 2017 |
| BSL Courier Services Ltd | Transport & logistics | 2025 |
| BSN Group Engineering Limited | Construction | 2025 |
| Buena Comida Ltd | Hospitality | 2019 |
| Bundle of Organic Ltd | Wholesale & retail | 2018 |
| Bunn Property Investments Limited | Real estate | 2021 |
| Bunny Shaw Limited | Administrative & support | 2023 |
| Burgernomics Limited | Hospitality | 2022 |
| Burgundy Productions Ltd | Information & communication | 2025 |
| Burns Estates Limited | Administrative & support | 2018 |
| Burton Delingpole & Co. Limited | Manufacturing | 2001 |
| Business Aspirations & Solutions Limited | Professional & scientific | 2020 |
| Business Finance Plus Limited | Financial services | 2003 |
| Business Support Services (UK) Limited | Wholesale & retail | 1995 |
| Buy More Save More Limited | Wholesale & retail | 2025 |
| Buying 4 YOU Limited | Professional & scientific | 2003 |
| Bypass Waste Management Ltd | Water & waste | 2020 |
| C & L Consulting Limited | Education | 2023 |
| C C Carvery Limited | Hospitality | 2026 |
| C H M Doors Ltd | Manufacturing | 2018 |
| C J Electrical Contracting Limited | Construction | 2013 |
| C L Thompson Properties Limited | Real estate | 2020 |
| C&B Property Estates Limited | Real estate | 2022 |
| C. & C. Southall Limited | Real estate | 1973 |
| C.H.A.N.A Holdings Ltd | Real estate | 2018 |
| C.H.L. Holdings Limited | Real estate | 1958 |
| Caboodle Services Ltd | Administrative & support | 2021 |
| Cademon Sport and Fitness Limited | Arts & recreation | 2015 |
| Caitlin Foord Limited | Arts & recreation | 2025 |
| Caladen Consulting (Holdings) Limited | Financial services | 2025 |
| Caladen Consulting Limited | Professional & scientific | 2022 |
| Caledonia & Rose Limited | Manufacturing | 2026 |
| Caledonia Fish Bar Ltd | Hospitality | 2024 |
| Calt Limited | Professional & scientific | 2004 |
| Cameo & Co (Blackheath) Limited | Other services | 2026 |
| Cameo (Blackheath) Ltd | Other services | 2009 |
| Cameron Bailey Limited | Wholesale & retail | 2013 |
| Cameron Menzies Darts Limited | Arts & recreation | 2024 |
| Candy Bubbles Limited | Administrative & support | 2025 |
| Cantello Building Services Ltd | Construction | 2016 |
| Capital Car Zone Ltd | Wholesale & retail | 2024 |
| Capital Trade LK Ltd | Wholesale & retail | 2025 |
| Capri Systec Limited | Wholesale & retail | 2011 |
| Caradoc Capital Limited | Financial services | 2020 |
| Caramount Cars Ltd | Wholesale & retail | 2024 |
| Carbex Limited | Manufacturing | 2000 |
| CARBON360 Limited | Extraterritorial | 2025 |
| Care Homes NOW Ltd | Professional & scientific | 2026 |
| Carera Contemporary Living Ltd | Wholesale & retail | 2022 |
| Carey Holdings Limited | Manufacturing | 1981 |
| Carly's Cafe Ltd | Hospitality | 2025 |
| Carmody Contractors Ltd | Construction | 2024 |
| Carology Auto Care Ltd | Wholesale & retail | 2023 |
| Cars of Tardebigge Limited | Wholesale & retail | 2024 |
| Cars Parts & Accessories Ltd | Wholesale & retail | 2012 |
| Carstop West Midlands Limited | Wholesale & retail | 2015 |
| Cartwright Driver Hire Ltd | Administrative & support | 2015 |
| Caru Automotive Ltd | Wholesale & retail | 2018 |
| Caru Car Care Ltd | Wholesale & retail | 2019 |
| Caru Car Storage Ltd | Transport & logistics | 2025 |
| Carville Ltd | Wholesale & retail | 2026 |
| Cashmore Holdings Limited | Professional & scientific | 2018 |
| Cassius 65 Limited | Real estate | 2021 |
| Castle (Kingswinford) Holdings Ltd | Financial services | 2018 |
| Castle Blinds & Curtains Ltd | Manufacturing | 2003 |
| Castle Hill 165 Limited | Extraterritorial | 2015 |
| Cazmic Properties Ltd. | Real estate | 2016 |
| CCE Properties Limited | Real estate | 2023 |
| CCS Complete Coldroom Solutions Ltd | Construction | 2020 |
| CDF Ductwork Ltd | Other services | 2018 |
| CDH Heating and Plumbing Limited | Construction | 2025 |
| Ceditor Limited | Information & communication | 2011 |
| Cemineral (South) Limited | Wholesale & retail | 2018 |
| Cemineral Limited | Wholesale & retail | 2016 |