| Brereton Pinnington Limited | Wholesale & retail | 2015 |
| Brereton Property Solutions Ltd | Real estate | 2021 |
| Brescatconstruction Limited | Construction | 2025 |
| Bretton Architectural Limited | Manufacturing | 1990 |
| Bretton Farming Limited | Agriculture & fishing | 1997 |
| Brew One Ltd | Hospitality | 2025 |
| Brewer's Hall Estate Company Limited(The) | Construction | 1912 |
| Brewery Sapphire Ltd | Real estate | 2022 |
| Brexit Consultants Limited | Wholesale & retail | 2020 |
| Brfc 2020 Holdings Limited | Arts & recreation | 2020 |
| Brfc 2020 Ltd | Other services | 2020 |
| Brgr & Chicks Ltd | Hospitality | 2025 |
| Brian J. Watts Flooring Specialists Limited | Construction | 2002 |
| Brickbuild 313 Limited | Construction | 2015 |
| Bricks & Mortar Limited | Real estate | 1925 |
| Bricoop Consultant Limited | Professional & scientific | 2023 |
| Bridal Divine Limited | Wholesale & retail | 2015 |
| Bridge ST Coffee Limited | Extraterritorial | 2018 |
| Bridge Street Jbdb Ltd | Hospitality | 2025 |
| Bridge Street News & Snacks Ltd | Information & communication | 2019 |
| Bridge Street Tattoo Limited | Other services | 2016 |
| Bridgegate Developments Limited | Construction | 2001 |
| Bridgegate House Ltd | Real estate | 2021 |
| Bridgegate Physiotherapy Limited | Health & social care | 2003 |
| Bridgelove Group Limited | Financial services | 2026 |
| Bridgewater House Management Company (Chester) Limited | Households | 2015 |
| Bridging Sports Ltd | Administrative & support | 2025 |
| Bright Innovations Group Ltd | Water & waste | 2018 |
| Bright Pharma Consulting Ltd | Professional & scientific | 2024 |
| Bright Zest Management Ltd | Professional & scientific | 2026 |
| Brightbeautydesigns Ltd | Arts & recreation | 2020 |
| Brighter Cleaning Services (North West) Limited | Other services | 2009 |
| Brightmove Removals & Clearances Limited | Transport & logistics | 2020 |
| Brights' Management Company Ltd | Real estate | 2005 |
| Brightside Capital Ltd | Financial services | 2021 |
| Brightside Photography Studios Ltd | Professional & scientific | 2016 |
| Brilliance of Chester Limited | Wholesale & retail | 2018 |
| Brimstone Artworks Limited | Arts & recreation | 1992 |
| Britannia Football Agency Ltd | Arts & recreation | 2026 |
| Britannia Mills Limited | Manufacturing | 2020 |
| Britzanh Ltd | Real estate | 2023 |
| Brix & Beyond Ltd | Real estate | 2024 |
| BRO MEC Ltd | Wholesale & retail | 2020 |
| Broad Group Holdings Limited | Financial services | 2025 |
| Broadacre Management Company Limited | Households | 2002 |
| Broadhey Estates Limited | Real estate | 1960 |
| Bromley's Barbers Ltd | Other services | 2011 |
| Brompton Lodge Residential Home Limited | Health & social care | 2011 |
| Bron AI Limited | Information & communication | 2024 |
| Bronwen Beesley Property Trading Limited | Real estate | 2023 |
| Bronwen Roberts Consultancy Ltd | Administrative & support | 2024 |
| Brook Hotels Group Limited | Hospitality | 2009 |
| Brook Hotels NO. 1 Limited | Hospitality | 2008 |
| Brook Lane Consultancy Services Limited | Professional & scientific | 2019 |
| Brook Restoration Limited | Construction | 2025 |
| Brookdale Farm Management Limited | Households | 1994 |
| Brookfield Close (Weston Rhyn) Management Ltd | Real estate | 2020 |
| Brooks the Plastering Company Ltd | Construction | 2024 |
| Brookside Farm Holdings Limited | Financial services | 2023 |
| Brookside Farming Limited | Agriculture & fishing | 2023 |
| Brookside Hotel Limited | Hospitality | 2018 |
| Brookside Mews Management Company Limited | Households | 2006 |
| Broughton Convenience Ltd | Wholesale & retail | 2026 |
| Broughton Investments | Professional & scientific | 2018 |
| Brown & DAS Ltd | Administrative & support | 2024 |
| Browns (Chester) Limited | Professional & scientific | 2014 |
| Browns Lane Management Company Limited | Administrative & support | 2002 |
| Brownstone Apparel Limited | Manufacturing | 2025 |
| Broxton Petroleum Limited | Wholesale & retail | 2016 |
| Broxton Properties Limited | Construction | 2023 |
| Bruce & Partners (Chester) Limited | Real estate | 2007 |
| Bruce & Partners Limited | Construction | 2003 |
| Bruce the BED King Orford Limited | Wholesale & retail | 2007 |
| Brumar Developments Limited | Real estate | 1996 |
| Brunch 8 Coffee Ltd | Hospitality | 2025 |
| Brunning Limited | Administrative & support | 2007 |
| Brush & Bold Web Design Ltd | Professional & scientific | 2025 |
| Bryan Mills Ltd | Other services | 2019 |
| Bryant Site Services Ltd | Construction | 2023 |
| Bryce Stedman Property Ltd | Real estate | 2017 |
| Brymon (Business Consultancy and Advisory) Limited | Professional & scientific | 2021 |
| Brymon (Offices) Limited | Professional & scientific | 2024 |
| Brymon (Properties) Limited | Real estate | 2021 |
| Brymon (Ventures) Limited | Professional & scientific | 2024 |
| Brymon Limited | Professional & scientific | 2020 |
| Bryn Afon Limited | Financial services | 2022 |
| Bryn Y Groes Management Company Ltd | Real estate | 2016 |
| Brynteg Management Company Limited | Households | 2008 |
| BS and VS Properties Limited | Real estate | 2018 |
| BTG Recruitment Limited | Administrative & support | 2003 |
| BTR Real Estate Ltd | Real estate | 2025 |
| Bubble Crumble Ltd | Wholesale & retail | 2023 |
| Bubble Tea Bar Limited | Hospitality | 2020 |
| Bubbles & Punch Limited | Hospitality | 2015 |
| Buca Commerce Ltd | Wholesale & retail | 2025 |
| Buck and Bounce (NW) Ltd | Administrative & support | 2026 |
| Buckle Enterprises | Financial services | 2020 |
| Buckley Smash Burger Ltd | Hospitality | 2025 |
| Bufa UK Limited | Wholesale & retail | 2018 |
| Buffalo Technical Services Ltd | Professional & scientific | 2020 |