| Berbell Limited | Mining & quarrying | 2020 |
| Berbell Property Solutions Limited | Real estate | 2023 |
| Bespoke Office Furniture Limited | Manufacturing | 2017 |
| Bestassist Limited | Other services | 1991 |
| Big Dog Pictures Limited | Information & communication | 2010 |
| Billing & Co Building Services Ltd. | Construction | 2010 |
| Binary Computer Solutions Limited | Information & communication | 2002 |
| BIO Cosmetics E-Commerce Limited | Wholesale & retail | 2026 |
| Birkenhead Plant Hire and Sales Limited | Construction | 1977 |
| Birkenshaw Medical Limited | Health & social care | 2018 |
| Birring Limited | Administrative & support | 2011 |
| BL Construction (North West) Ltd | Construction | 2017 |
| Black Cat Rustic Revival Limited | Administrative & support | 2018 |
| Black JM Holdings Limited | Real estate | 2024 |
| Block Assist Ltd | Administrative & support | 2010 |
| Blood Sweat and Gainz Ltd | Wholesale & retail | 2017 |
| BLU Plumbing Limited | Construction | 2016 |
| BLU Property Invest Limited | Real estate | 2026 |
| Blue Kite Solutions Limited | Administrative & support | 2016 |
| Blue Search Limited | Administrative & support | 2007 |
| Bogh Limited | Real estate | 2006 |
| Bondies Bar Ltd | Hospitality | 2019 |
| Booker Holdings (NW) Limited | Real estate | 2017 |
| Booker Timber Limited | Wholesale & retail | 1996 |
| Bortram Marine Limited | Other services | 2024 |
| Boshnaq Surgeon Limited | Health & social care | 2023 |
| Bradbury Joinery & Building Services Ltd | Construction | 2014 |
| Braum&Braum Limited | Hospitality | 2023 |
| Brick RIP and DIG Ltd | Construction | 2025 |
| Brickbee Holdings Limited | Real estate | 2026 |
| Brickhouse Storage Limited | Administrative & support | 2026 |
| Bridgegate Wealth Management Ltd | Professional & scientific | 2003 |
| Brimstage Brewing Co. Ltd | Manufacturing | 2004 |
| Broadan Limited | Wholesale & retail | 2019 |
| Brockway Consultancy Limited | Professional & scientific | 2014 |
| Bromborough (& North West) Community Group Limited | Education | 2025 |
| Brookdale IFP Limited | Financial services | 2012 |
| Brookson (5037B) Limited | Administrative & support | 2007 |
| Brookson (5260E) Limited | Professional & scientific | 2007 |
| Brookson (5360Q) Limited | Administrative & support | 2007 |
| Brookson (5377J) Limited | Professional & scientific | 2007 |
| Bsrp Engineering Solutions Limited | Administrative & support | 2011 |
| Buddy Motor Group Limited | Wholesale & retail | 2016 |
| Building Services Solutions Limited | Construction | 2007 |
| Bumblebee Auto Centre Limited | Wholesale & retail | 2021 |
| Business Booms Ltd | Professional & scientific | 2022 |
| C.B. Hair Limited | Administrative & support | 2007 |
| C.P.S Trailers Ltd | Manufacturing | 2024 |
| Cafe Bono Ltd | Hospitality | 2025 |
| Caldy Classic Cars Limited | Administrative & support | 2014 |
| Calibrate Learning Limited | Professional & scientific | 2020 |
| Cambria Freight Limited | Transport & logistics | 2016 |
| Cambs Medicolegal Limited | Health & social care | 2026 |
| Care Admin Ltd | Other services | 2024 |
| Carga Holdings UK Ltd | Real estate | 2021 |
| Carl C. Grant Financial Solutions Limited | Financial services | 2015 |
| Carpetnation Limited | Administrative & support | 2014 |
| Casa Vinicola Ltd | Hospitality | 2024 |
| Cashin Estates Limited | Real estate | 2017 |
| Casino Gardens Consulting Limited | Professional & scientific | 2007 |
| Castle Moat Developments Limited | Real estate | 1997 |
| Catalyst Develops Optimisation Ltd | Professional & scientific | 2018 |
| CBE Services Ltd | Construction | 2018 |
| CDP North West Investments Ltd | Financial services | 2016 |
| Cellar Bristol Limited | Hospitality | 2026 |
| Cellar Edinburgh Limited | Hospitality | 2026 |
| Cellar Franchising Ltd | Hospitality | 2026 |
| Cellar Hospitality Ltd | Hospitality | 2026 |
| Cellar Leeds Limited | Hospitality | 2026 |
| Cellar Leicester Limited | Hospitality | 2026 |
| Centurian Fight Wear Ltd | Wholesale & retail | 2020 |
| Centurian Self Storage Services Limited | Transport & logistics | 2020 |
| Cerneretec Ltd | Professional & scientific | 2016 |
| CG Roofing & Construction Limited | Construction | 2005 |
| Championship Mini Golf (New Brighton) Limited | Arts & recreation | 2013 |
| Championship Miniaturegolf Limited | Arts & recreation | 2006 |
| Chaos of Trouble Limited | Administrative & support | 2011 |
| Chapelgate Limited | Construction | 2019 |
| Cherry Sunset Properties Ltd | Real estate | 2023 |
| Cheshire Box (UK) Limited | Manufacturing | 2010 |
| Chester Instrumentation & Control Limited | Administrative & support | 1994 |
| Chestnut Registrations Limited | Manufacturing | 2002 |
| Chewbox Limited | Wholesale & retail | 2020 |
| Chiddy Consultancy Ltd | Professional & scientific | 2025 |
| Child & Adolescent Mental Health International (Camhi) Limited | Information & communication | 2022 |
| Chocolate Tanks Limited | Manufacturing | 2015 |
| Chriscost Limited | Administrative & support | 2007 |
| Civilcadchecks Limited | Professional & scientific | 2008 |
| CJB Business Analysis & Consultancy Limited | Professional & scientific | 2015 |
| Cjb-Goods Ltd | Wholesale & retail | 2015 |
| CLA Projects Ltd | Administrative & support | 2014 |
| Claytons Engineering Solutions Ltd | Professional & scientific | 2024 |
| Clta CAD Limited | Administrative & support | 2007 |
| Clyne Engineering Limited | Professional & scientific | 2001 |
| CMA Chester Limited | Wholesale & retail | 2000 |
| CMG (UK) Limited | Extraterritorial | 2008 |
| CMG Franchise (UK) Limited | Extraterritorial | 2013 |
| Cnmn Ltd | Professional & scientific | 2023 |
| Collins Pilotage Services Limited | Transport & logistics | 2014 |
| Colman Limited | Administrative & support | 2009 |