| Buildwas Civil Engineering Limited | Construction | 2025 |
| Buildwas Leisure Limited | Arts & recreation | 2003 |
| Bull Electric Limited | Professional & scientific | 1977 |
| Bull Ring Developments Ltd | Real estate | 2024 |
| Bulleys Bradbury Ltd | Real estate | 2015 |
| Bulls Head Dawley Ltd | Hospitality | 2019 |
| Bullseye Comps Ltd | Wholesale & retail | 2025 |
| Bullyade Limited | Manufacturing | 2017 |
| Bundled Enterprises Limited | Wholesale & retail | 2020 |
| Burg Inns Limited | Hospitality | 2010 |
| Burger Plus Telford Ltd | Administrative & support | 2020 |
| Burger World 2 Ltd | Hospitality | 2025 |
| Burgwin Limited | Hospitality | 2023 |
| Burly Services Ltd | Transport & logistics | 2023 |
| Burnside 88 Limited | Hospitality | 2022 |
| Burrows (G.M.) Limited | Manufacturing | 1951 |
| Burudani Ltd | Wholesale & retail | 2024 |
| Busch Property Holdings Limited | Real estate | 2018 |
| Bushgraft Ltd | Professional & scientific | 2018 |
| Business and Banking Solutions Limited | Information & communication | 1995 |
| Business Boxed Limited | Information & communication | 2012 |
| Business Driver Fleet Risk Management Ltd. | Transport & logistics | 2009 |
| Business Interiors Solutions Limited | Professional & scientific | 2009 |
| Business Leads Direct Limited | Administrative & support | 2016 |
| Business Retreat Boutique Ltd | Hospitality | 2020 |
| Busy BEE Cleaning Limited | Other services | 2002 |
| Busyfort Ltd | Professional & scientific | 2019 |
| Busyheath Residential Limited | Real estate | 2025 |
| Butler Groundworks Limited | Construction | 2011 |
| Button Box Therapeutic Services Limited | Health & social care | 2023 |
| Buxton Towers Developments Limited | Administrative & support | 2025 |
| Buy-Centre Ltd | Wholesale & retail | 2023 |
| Bvlmzd Ltd | Other services | 2023 |
| BW Design and Build Ltd | Construction | 2025 |
| BY SAN Aesthetics Ltd | Other services | 2026 |
| BY Search Marketing PR Online Ltd | Professional & scientific | 2021 |
| Byfield TM Ltd | Construction | 2025 |
| Byrne Property Maintenance Limited | Wholesale & retail | 2013 |
| C & C Bros Ltd | Manufacturing | 2012 |
| C & L Holdings Limited | Administrative & support | 2006 |
| C & M Waste Management Limited | Water & waste | 2007 |
| C & N Surface Repairs Ltd | Construction | 2015 |
| C & S Retail Ltd | Wholesale & retail | 2021 |
| C Eight Group Ltd | Information & communication | 2018 |
| C G H Electrical Limited | Construction | 2003 |
| C P Carpentry and Building Ltd | Construction | 2019 |
| C&H Solutions Ltd | Information & communication | 2022 |
| C&K Drylining Ltd | Construction | 2018 |
| C&M Property Care Ltd | Construction | 2022 |
| C&M Property Group Holdings Ltd | Real estate | 2026 |
| C&S Patel Properties Ltd | Real estate | 2023 |
| C&S Patel Retail Ltd | Wholesale & retail | 2023 |
| C&S Patel UK Ltd | Real estate | 2020 |
| C&T Paving Limited | Construction | 2024 |
| C-All Business Services (UK) Limited | Professional & scientific | 2005 |
| C-Sawara Limited | Wholesale & retail | 2024 |
| C-Solo Childcare Limited | Health & social care | 2025 |
| C.A.Wiley (Medicals) Ltd. | Professional & scientific | 2014 |
| C.G.Rooms Limited | Construction | 2020 |
| CA Consultancy Service Ltd | Education | 2023 |
| Cabelo Tettenhall Limited | Other services | 2018 |
| Cabinets and Showcases Limited | Manufacturing | 2012 |
| Cablecaddy Limited | Manufacturing | 2002 |
| Cadcoe Limited | Education | 2011 |
| Cader Construction Limited | Construction | 1985 |
| Cades Limited | Manufacturing | 1996 |
| Cadmay Roofing Ltd | Construction | 2016 |
| Caducus Limited | Education | 2016 |
| Caduk Skills Academy Ltd | Education | 2018 |
| Caero Healthcare Limited | Health & social care | 2020 |
| Caesars Barber Club Ltd | Other services | 2018 |
| Cafe Britiano Limited | Hospitality | 2013 |
| Caffe D'Italia Limited | Hospitality | 1998 |
| Cairn Capital Limited | Financial services | 2020 |
| Cais Enterprise Limited | Financial services | 2026 |
| Cais Holdings Limited | Financial services | 2026 |
| Cais Investments Limited | Financial services | 2026 |
| Cakop Ltd | Other services | 2019 |
| Calcott Express Limited | Wholesale & retail | 2019 |
| Calcott Stores Limited | Wholesale & retail | 2006 |
| Calibex Ltd | Wholesale & retail | 2025 |
| Calibre Land Limited | Real estate | 2015 |
| Calibrecare Limited | Real estate | 1999 |
| Call Brian.Com Limited | Professional & scientific | 2019 |
| Call of Beauty Cosmetics Ltd | Other services | 2020 |
| Calmme Ltd | Wholesale & retail | 2020 |
| Caltec Contracting Ltd | Agriculture & fishing | 2021 |
| Caltec Hire Ltd | Water & waste | 2018 |
| Caltel Catering and Laundry Equipment Limited Liability Partnership | | 2003 |
| Cambrian Place Property Management Limited | Real estate | 2003 |
| Cambuta Ltd | Other services | 2019 |
| Camelott Digital Limited | Construction | 2012 |
| Camelott Limited | Extraterritorial | 2021 |
| Cameron Webb Limited | Professional & scientific | 2009 |
| Camicon Ltd | Other services | 2020 |
| Campano Ltd | Other services | 2019 |
| Campion Holdings Limited | Financial services | 1996 |
| CAN Management Limited | Arts & recreation | 2012 |
| CAN PR Limited | Other services | 2012 |
| Candrika Ltd | Other services | 2020 |