| Brand Synergy Limited | Wholesale & retail | 2020 |
| Brandon Wheels Rochdale Ltd | Wholesale & retail | 2024 |
| Breathe Beauty Therapy Limited | Other services | 2018 |
| Brenda Lisa Elder Ltd | Real estate | 2024 |
| Brespanee Limited | Hospitality | 2026 |
| Brewlane Limited | Hospitality | 2021 |
| Brian Mansell Forwarding Limited | Transport & logistics | 1994 |
| Bridge Point Residential Ltd | Health & social care | 2023 |
| Bridgeway Sam’S Ltd | Hospitality | 2022 |
| Bright Orthodontics Ltd | Health & social care | 2010 |
| Brighter Day's Adult Care and Social Club Ltd. | Health & social care | 2025 |
| Brightside North West Ltd | Health & social care | 2021 |
| Brilliant 40 Limited | Transport & logistics | 2016 |
| Brimstage Holdings Ltd | Construction | 2025 |
| Brinat Ltd | Arts & recreation | 2014 |
| Brindley IT Support Ltd | Information & communication | 2023 |
| British Taekwondo Council | Arts & recreation | 2010 |
| Broadstock Limited | Real estate | 2023 |
| Broadsword Bidco Ltd | Financial services | 2026 |
| Brookledge Manufacturing Ltd | Real estate | 2020 |
| Broomeway Group Ltd | Professional & scientific | 2025 |
| Brothers (Widnes) Ltd | Hospitality | 2022 |
| Broughton Mechanical & Civil Engineering Limited | Construction | 1985 |
| Brown Edge Care Ltd | Health & social care | 2024 |
| Brunswick Medical Limited | Professional & scientific | 2017 |
| BSH Consultants Ltd | Professional & scientific | 2025 |
| BSLS8 Ltd | Wholesale & retail | 2023 |
| Buchie Care Limited | Health & social care | 2021 |
| Buck Builds Limited | Construction | 2025 |
| Buckley Memorials Limited | Other services | 2001 |
| Budjet MOT Ltd | Wholesale & retail | 2020 |
| Build Workwear Ltd | Wholesale & retail | 2023 |
| Building Cleaner Limited | Construction | 2025 |
| Bulgarian Community C.I.C. | Hospitality | 2019 |
| Burger Bosh Limited | Hospitality | 2023 |
| Burgess - O'Rourke Civil Engineering Ltd | Administrative & support | 2015 |
| Burke Property Services Ltd | Real estate | 2024 |
| Butties and Brews Widnes Ltd | Hospitality | 2026 |
| Buttylicious Catering Ltd | Hospitality | 2026 |
| BV Comms Ltd | Information & communication | 2018 |
| BV Utilities Ltd | Information & communication | 2017 |
| BVD Best Transport Ltd | Transport & logistics | 2025 |
| BYK Additives Limited | Manufacturing | 2000 |
| Byrne Accountancy Ltd | Professional & scientific | 2021 |
| Byrne Property Investments Limited | Real estate | 2023 |
| C & M Auto Centre Ltd | Manufacturing | 2025 |
| C & M Holdings (North West) Limited | Financial services | 2018 |
| C & P Business Solutions Ltd | Professional & scientific | 2009 |
| C Connor Transport Ltd | Transport & logistics | 2023 |
| C G Engineering & Construction Ltd | Manufacturing | 2014 |
| C Grice Elec Limited | Other services | 2015 |
| C&F Boyd Limited | Real estate | 2020 |
| C. R. Building Services Limited | Construction | 1997 |
| C.A. Mackay Joinery and Building Services Limited | Construction | 2003 |
| C.L. Solutions (NW) Ltd | Professional & scientific | 2023 |
| C13 Engineering Ltd | Professional & scientific | 2016 |
| C13 Property Investments Limited | Real estate | 2022 |
| CAA Engineering Limited | Construction | 2011 |
| Cady Group Ltd | Transport & logistics | 2018 |
| Caffufle Smiles Ltd | Health & social care | 2026 |
| Cafralu Catering Limited | Hospitality | 2016 |
| Cake POD Limited | Hospitality | 2016 |
| California Twenty Five LLP | | 2024 |
| Call US Dental Spa Limited | Health & social care | 2019 |
| Calliope Persephone Grahame T/A C.P. Grahame Ltd | Other services | 2020 |
| Callum Harrison Transport Ltd | Transport & logistics | 2024 |
| Calstat Limited | Other services | 1989 |
| Campbell Cain (Infrastructure) Ltd | Administrative & support | 2017 |
| Campbell Distribution Limited | Wholesale & retail | 2026 |
| Campbell Property Developments Limited | Real estate | 2007 |
| Campbell Welding Services Ltd | Professional & scientific | 2021 |
| Candy Cube Ltd | Wholesale & retail | 2021 |
| Canning Control Solutions Ltd | Construction | 2026 |
| Canning Data Centre Solutions Ltd | Construction | 2023 |
| Canning Generator Solutions Ltd | Manufacturing | 2017 |
| Capital Funding Ltd | Financial services | 2012 |
| Capital Funding One Limited | Financial services | 2013 |
| Capital Funding Two Limited | Financial services | 2016 |
| Captain Cook Sport 25 Ltd | Administrative & support | 2022 |
| Capturlabs Ltd | Professional & scientific | 2023 |
| Car & Clock Ltd | Wholesale & retail | 2024 |
| Caravan Store Limited | Transport & logistics | 2018 |
| Carbon Harvest Ltd | Professional & scientific | 2021 |
| Cargo Transport Solutions Limited | Transport & logistics | 2013 |
| Carl Land Limited | Extraterritorial | 2024 |
| Carlos Restaurant Ltd | Hospitality | 2023 |
| Carmel Rourke Ltd | Other services | 2023 |
| Carmworth Limited | Households | 2003 |
| Carrwood Manufacturing Ltd | Manufacturing | 2020 |
| Casera Search Technology Limited | Professional & scientific | 2025 |
| Castle Widnes Ltd | Hospitality | 2019 |
| Castlegate Homes (Construction) Ltd | Professional & scientific | 2000 |
| Castlegate Homes (Developments) Ltd | Construction | 2003 |
| Castlegate Homes (UK) Limited | Professional & scientific | 2000 |
| Cat Trans Limited | Transport & logistics | 2019 |
| Cataboz Ltd | Wholesale & retail | 2020 |
| Catalco (NO.1) Ltd | Manufacturing | 2019 |
| Catalco Holdings Ltd | Financial services | 2019 |
| Catalco Limited | Extraterritorial | 2015 |
| Catalyst Science Discovery Centre and Museum Trust Limited | Arts & recreation | 1987 |