| British Association of Aesthetic & Medical Micro-Pigmentation | Other services | 2015 |
| British Made Shutters Ltd | Manufacturing | 2024 |
| Brittain & Brittain Properties Ltd | Real estate | 2025 |
| Broadlands Cotswold Limited | Hospitality | 2003 |
| Broadmark IT Ltd | Information & communication | 2021 |
| Broadway Kitchens & Bathrooms Ltd | Construction | 2024 |
| Broadwaystay (Cotswolds) Limited | Hospitality | 2026 |
| Brookie Ltd | Manufacturing | 2026 |
| Brooksby Court Flats Management Limited | Real estate | 1966 |
| BRT Medical Services Limited | Health & social care | 2024 |
| BSM Building Group Ltd | Construction | 2015 |
| Budget Waste Management Limited | Financial services | 2026 |
| Built Confidence Ltd | Professional & scientific | 2025 |
| Bull&Grace Ltd | Financial services | 2024 |
| Bulsima Trade Limited | Wholesale & retail | 2015 |
| Bumphreys Limited | Wholesale & retail | 2006 |
| Bumpsadaisy Ltd | Public administration | 2009 |
| Bunns Leys Designs Limited | Arts & recreation | 2008 |
| Buon Giorno Cafe Ltd | Wholesale & retail | 2014 |
| Buongiorno Roastery Ltd | Wholesale & retail | 2021 |
| Burhan Evesham Ltd | Hospitality | 2024 |
| Burlingham Management Ltd | Households | 2017 |
| Burma CNC Engineering Ltd | Professional & scientific | 2013 |
| Business Accounting Services Ltd | Professional & scientific | 2002 |
| Business Solutions in Construction Limited | Construction | 2005 |
| Business Support Associates Limited | Professional & scientific | 2004 |
| Butler Corporation Limited | Financial services | 2020 |
| Butterfly Wings of Freedom Limited | Other services | 2018 |
| Buzz Electrical Limited | Construction | 1999 |
| Buzz Technical Limited | Construction | 2006 |
| BVD Express&Logistics Ltd | Transport & logistics | 2016 |
| BW Catering Products Limited | Wholesale & retail | 2010 |
| Byrd's Retreat Limited | Arts & recreation | 2005 |
| Bytown Limited | Real estate | 2010 |
| C & L Services (Midlands) Limited | Construction | 2003 |
| C & P Haulage Limited | Transport & logistics | 2025 |
| C & R Productions Ltd | Education | 2022 |
| C a E Technologies Limited | Administrative & support | 2000 |
| C D Auto Repairs Ltd | Wholesale & retail | 2024 |
| C D Consulting (Send Specialist) Limited | Professional & scientific | 2016 |
| C Garrett Limited | Construction | 2007 |
| C Groves Limited | Manufacturing | 2023 |
| C Maddrell Trading Limited | Professional & scientific | 2015 |
| C Smith Windows, Doors & Conservatories Limited | Construction | 2022 |
| C&M Distribution&Logistics Ltd | Transport & logistics | 2019 |
| C. R. D. Bespoke Gates Limited | Manufacturing | 2018 |
| C.B.G. Transport Ltd | Transport & logistics | 2001 |
| Cafe DE Vale Ltd | Wholesale & retail | 2026 |
| Cafecars Ltd | Construction | 2023 |
| Callen Engineering Analysis Ltd | Professional & scientific | 2018 |
| Calmer Karma Limited | Arts & recreation | 2000 |
| Camo Hair (Evesham) Limited | Other services | 2016 |
| Camson Nurseries Limited | Agriculture & fishing | 1976 |
| Canis Consulting Limited | Information & communication | 2011 |
| Cannon House Finance Ltd | Financial services | 2023 |
| Capehill Foods Limited | Hospitality | 2024 |
| Capital Resolve Limited | Administrative & support | 1993 |
| Capitall Systems Limited | Manufacturing | 2002 |
| Car FIX Solutions Ltd | Wholesale & retail | 2020 |
| Care Check Ltd | Information & communication | 2012 |
| Careerlegend Limited | Wholesale & retail | 1997 |
| Carl Icke Painting & Decorating Services Ltd | Construction | 2014 |
| Carmel Trading Limited | Construction | 2014 |
| Cartridge World Evesham Limited | Wholesale & retail | 2005 |
| Casa 13 Ltd | Hospitality | 2024 |
| Casashipston Ltd | Hospitality | 2025 |
| Catalpa Landscapes Ltd | Construction | 2026 |
| Caterctrl Ltd | Information & communication | 2022 |
| Causeway Care C.I.C. | Health & social care | 2015 |
| Cavalier Media Ltd | Administrative & support | 2022 |
| CDM Build Ltd | Construction | 2025 |
| Cedarwood Landscapes Ltd | Construction | 2016 |
| Centurian HI Ltd | Construction | 2023 |
| Cerbero Ltd | Information & communication | 2017 |
| Certivo Compliance Services Limited | Manufacturing | 2025 |
| Ceverine Holdings Limited | Administrative & support | 2020 |
| CH10 Limited | Financial services | 2025 |
| Chadbury Farmshop Limited | Wholesale & retail | 2015 |
| Chamberlain Technology Limited | Information & communication | 2023 |
| Chambers (GB) Limited | Administrative & support | 2006 |
| Chanbozie Ltd | Manufacturing | 1969 |
| Chandos Properties Ltd | Construction | 1996 |
| Chapel Meadow Management Company Limited | Households | 2000 |
| Chapman Properties (Luton) Limited | Real estate | 1988 |
| Chappellsmith Limited | Professional & scientific | 2008 |
| Charlton Glamping Ltd | Hospitality | 2023 |
| Chase Commercial Ltd | Construction | 2006 |
| Chatterton Estate Agents Limited | Real estate | 2015 |
| Cherry Orchard Management (NO 1) Limited | Administrative & support | 1994 |
| Cherry Orchard Management (NO 2) Limited | Households | 1995 |
| Chiavi Capital Limited | Financial services | 2026 |
| Chillis Evesham Ltd | Hospitality | 2026 |
| Chillis Spice Limited | Hospitality | 2025 |
| Chinese Furnaces Limited | Manufacturing | 2026 |
| Chisucristrans Ltd | Transport & logistics | 2021 |
| Chocolami Limited | Administrative & support | 2017 |
| Chris Stuart Limited | Other services | 2021 |
| Chris Tallis Farm Machinery Limited | Extraterritorial | 2012 |
| Christian Lewis Limited | Real estate | 2023 |
| Christian-Bay Limited | Information & communication | 2017 |