| Bougival Limited | Professional & scientific | 2026 |
| Boujee Luxury Detailing Limited | Wholesale & retail | 2021 |
| Bould Climbing Limited | Arts & recreation | 2025 |
| Bowdon Investment Company Limited | Financial services | 2018 |
| Bowers Threeways Garage Ltd. | Wholesale & retail | 1997 |
| Bowlers Brewery Limited | Manufacturing | 2019 |
| Bowyer Estates Limited | Households | 2015 |
| Boxer Quarterly Limited | Information & communication | 1994 |
| Bratley Architectural Ltd | Professional & scientific | 2015 |
| Brbr Bullet Ltd | Other services | 2025 |
| Breakspears (Poynton) Limited | Professional & scientific | 2022 |
| Brewster's (Haircare) Limited | Other services | 1979 |
| Bria Property Solutions Ltd | Construction | 2024 |
| Brian C Moss - I.T. Limited | Information & communication | 2015 |
| Brickley Court Management Company Limited | Real estate | 2004 |
| Bricks 2 Slips Limited | Manufacturing | 2025 |
| Bridgewater Technical Solutions Limited | Professional & scientific | 2007 |
| Bridgwater Nursepractitioner Ltd | Health & social care | 2013 |
| Briggs and Partners (Cheshire) LLP | | 2012 |
| Bright Triathlon Ltd | Arts & recreation | 2022 |
| Brighter Days Companions Ltd | Health & social care | 2020 |
| Brinewood Ltd | Manufacturing | 2020 |
| Briscall Enterprises Ltd | Wholesale & retail | 2022 |
| Britannia Carpets Limited | Wholesale & retail | 1999 |
| Britannia Investment Properties Limited | Real estate | 2020 |
| British Medical Acupuncture Society | Professional & scientific | 1996 |
| British Salt Limited | Mining & quarrying | 2007 |
| Brittany Jones Limited | Professional & scientific | 2025 |
| Broadway Building Contractors (Oldham) Ltd | Construction | 2005 |
| Brocks Collectibles Limited | Wholesale & retail | 2025 |
| Brook Meadow Properties Limited | Real estate | 2011 |
| Brookfield Windows Limited | Construction | 2009 |
| Brookstand Ltd | Information & communication | 1999 |
| Brookstore Equipment Company Limited | Real estate | 1978 |
| Brosco Limited | Extraterritorial | 2015 |
| Browmap Properties Ltd | Real estate | 2026 |
| Brthrs Property Investment Ltd | Real estate | 2024 |
| Bruna Hill Developments Limited | Construction | 2021 |
| Brunner Mond Group Limited | Administrative & support | 1998 |
| Bruno Commodities Limited | Wholesale & retail | 2008 |
| Brunswick Gardens Management Limited | Households | 2009 |
| Bryn Eithin Residential Care Limited | Health & social care | 2002 |
| BTB Gym Winsford Ltd | Arts & recreation | 2019 |
| Btsj Catering Limited | Hospitality | 2023 |
| Buccaneer Group Limited | Wholesale & retail | 2018 |
| Buckley Property Cheshire Limited | Real estate | 2025 |
| Budniok Transport Ltd | Transport & logistics | 2018 |
| Bugz and Bunnies CIC | Health & social care | 2022 |
| Build Sense Limited | Construction | 2024 |
| Buiz Trading Ltd | Administrative & support | 2005 |
| Bulkup Brands Limited | Professional & scientific | 2025 |
| Bump Nursery Boutique Limited | Wholesale & retail | 2016 |
| Burco Limited | Wholesale & retail | 1999 |
| Burfield Financial Planning Limited | Financial services | 2010 |
| Burg N Ice Northwich Ltd | Hospitality | 2026 |
| Burgoyne Arts and Education Limited | Arts & recreation | 2025 |
| Burgoyne Lighting Limited | Construction | 2012 |
| Burlington Bertie Services (NO.1) Ltd | Financial services | 2020 |
| Burlington Bertie Services Ltd | Financial services | 2020 |
| Business & Tax Solutions Ltd | Extraterritorial | 2003 |
| Business 2 Business Consultancy Services Limited | Professional & scientific | 2013 |
| Business Partnership (Management) Limited | Professional & scientific | 2002 |
| Butt Brothers Northwich Ltd | Transport & logistics | 2022 |
| BW Living Limited | Real estate | 2025 |
| BY AVA & Co. Ltd | Wholesale & retail | 2025 |
| Byorbe Ltd | Manufacturing | 2026 |
| BZN Investments Ltd | Real estate | 2025 |
| C & S.E. Limited | Professional & scientific | 2022 |
| C B Agricultural & Groundwork Contractors Limited | Agriculture & fishing | 2021 |
| C J Collins & Sons Logistics Ltd | Transport & logistics | 2017 |
| C S Financial Planning Limited | Financial services | 2009 |
| C Stead Ltd | Hospitality | 2022 |
| C Walker Consulting Ltd | Professional & scientific | 2024 |
| C.E.S. (NW) Limited | Construction | 2017 |
| C8PABLE Limited | Professional & scientific | 2025 |
| CAE Rhigol Limited | Real estate | 2023 |
| CAFA556 Limited | Hospitality | 2020 |
| Cafficlear Ltd | Manufacturing | 2025 |
| Cairns Mechanical Limited | Other services | 2014 |
| Calibre Charter Ltd | Transport & logistics | 2023 |
| Calibre Property and Development Ltd | Real estate | 2025 |
| Calyx Lifewear Limited | Wholesale & retail | 2020 |
| Camand Safety Ltd | Construction | 2021 |
| Cambridge Ninja Mentoring to Growth Limited | Information & communication | 2025 |
| Cameron Donald Associates Limited | Extraterritorial | 1991 |
| Cameron James Real Estate Limited | Real estate | 2025 |
| Cameron Wilson Project Services Ltd | Construction | 2017 |
| Campbell Property Investments Cheshire Limited | Real estate | 2026 |
| Campbell's Estates Ltd | Real estate | 2022 |
| Campfire Games Ltd | Information & communication | 2024 |
| Camspheres UK Ltd | Wholesale & retail | 2023 |
| Canine Clubhouse Ltd | Other services | 2017 |
| Canndetail Ltd | Other services | 2019 |
| Cannon Nuclear Limited | Professional & scientific | 2013 |
| Cantabio Pharmaceuticals Ltd | Professional & scientific | 2020 |
| Canute Business Consulting Limited | Professional & scientific | 2024 |
| Canute Cleaning Services Limited | Administrative & support | 2003 |
| CAP Energy Group Limited | Wholesale & retail | 2023 |
| Capmos Services Limited | Professional & scientific | 2017 |
| Capper Group Ltd | Construction | 2015 |