| Broadway Media Ltd | Professional & scientific | 2024 |
| Brocklebanks of Ulverston Limited | Wholesale & retail | 2019 |
| Brocksmoor Projects Limited | Professional & scientific | 2008 |
| Brod Yachting Ltd | Extraterritorial | 2023 |
| Brogrammer Ltd | Information & communication | 2021 |
| Bromley Court (Blackpool) Residents Association Limited | Households | 1981 |
| Brompton Joinery Limited | Manufacturing | 2001 |
| Bronson Developments Ltd | Administrative & support | 2023 |
| Bronz-Glow (Ireland) Ltd | Manufacturing | 2023 |
| Brookfield Accounting Limited | Professional & scientific | 2011 |
| Brooklyns's Limited | Health & social care | 2022 |
| Brooks and Davies Ltd | Administrative & support | 2020 |
| Brooks Classics Limited | Professional & scientific | 2015 |
| Brookshill Group Limited | Professional & scientific | 2019 |
| Broomheads Estate Agents Limited | Real estate | 2013 |
| Broomheads Holdings Limited | Real estate | 2014 |
| Broscombe Properties Ltd | Real estate | 2025 |
| Brough Properties Ltd | Real estate | 2025 |
| Broughton Lodge (Cartmel) Management Company Limited | Households | 1986 |
| Browick Folly Ltd | Wholesale & retail | 2025 |
| Brown & Co Audit Ltd | Professional & scientific | 2023 |
| Bruce Scott Structural Design Ltd | Professional & scientific | 2011 |
| Bruce's Sweet Shop Limited | Wholesale & retail | 2023 |
| Bruno Singh Limited | Hospitality | 2025 |
| Brunswick Trading (Textiles) Limited | Real estate | 1974 |
| Bryan Somers Travel Ltd | Wholesale & retail | 2025 |
| Bryns Skip Hire Ltd | Transport & logistics | 2015 |
| Brytallium Limited | Manufacturing | 1968 |
| BS25 Ltd | Hospitality | 2025 |
| BSD Welding Services Limited | Other services | 2016 |
| BSO Groundworks Ltd | Construction | 2025 |
| Bspc Limited | Wholesale & retail | 2007 |
| Bsquared Events Management Ltd | Hospitality | 2025 |
| BT Invest Ltd | Real estate | 2025 |
| BT IT Ltd | Information & communication | 2017 |
| BTB Property Investments Limited | Real estate | 2023 |
| BTI Properties Ltd | Real estate | 2021 |
| BTI Trading Ltd | Hospitality | 2021 |
| Btmc Ltd | Wholesale & retail | 2025 |
| BTS Estate Agent Ltd | Real estate | 2025 |
| Buckholme Towers Limited | Real estate | 1963 |
| Budget Blinds Plus Ltd | Manufacturing | 2008 |
| Budget Gifts (UK) Limited | Wholesale & retail | 2006 |
| Buildbond Limited | Construction | 2012 |
| Builders Blackpool Ltd | Construction | 2021 |
| Builders Supplies Ltd | Wholesale & retail | 2019 |
| Building & Preservation Company Ltd | Construction | 2020 |
| Building Automation Controls North West Ltd | Construction | 2020 |
| Buildtech (Lancashire) Ltd | Construction | 2020 |
| Bukhari Hotel Ltd | Hospitality | 2025 |
| Bullman Capital Ltd | Wholesale & retail | 2024 |
| Bulut Yachting Ltd | Extraterritorial | 2024 |
| Bumble Bidco Limited | Financial services | 2024 |
| Bump of Blackpool Ltd | Health & social care | 2026 |
| Bungee Products Ltd | Manufacturing | 2023 |
| Bunting Nursing and Care Ltd | Health & social care | 2014 |
| Burgerhain Limited | Hospitality | 2018 |
| Burgess Electrical Contractors Limited | Construction | 2004 |
| Burgess Property Holdings Ltd | Financial services | 2023 |
| Burkley Laurel Ltd | Wholesale & retail | 2025 |
| Burlington Court (ST Annes) Management Company Limited | Households | 2005 |
| Burloughandfetch Ltd | Wholesale & retail | 2025 |
| Burn X Fitness Ltd | Arts & recreation | 2022 |
| Burnley Funerals Ltd | Other services | 2018 |
| Burnthouse ASH Ltd | Wholesale & retail | 2025 |
| Burren & Warrenpoint Ltd | Wholesale & retail | 2025 |
| Burtold Ltd | Wholesale & retail | 2014 |
| Burton Hicks Ltd | Wholesale & retail | 2025 |
| Burton Residential Developments Limited | Construction | 2025 |
| Burtons Properties Limited | Real estate | 2004 |
| Business Analysis by Muirhead Ltd | Information & communication | 2015 |
| Business Simplified Limited | Professional & scientific | 2019 |
| Business Suite Limited | Professional & scientific | 2017 |
| Business Support Centre (NW) Limited | Energy | 2023 |
| Business Tax Centre Limited | Professional & scientific | 2000 |
| Business Upgrade Centre Limited | Information & communication | 2022 |
| Business Upgrades Ltd | Information & communication | 2026 |
| Bust a NUT Limited | Wholesale & retail | 2026 |
| Buy FIX Sell Ltd | Real estate | 2024 |
| Buyacruise Limited | Administrative & support | 2022 |
| BVN Access Ltd | Mining & quarrying | 2022 |
| BVN Consulting Ltd | Information & communication | 2021 |
| BW Graphics Limited | Manufacturing | 2015 |
| BWS Office Furniture Limited | Extraterritorial | 2013 |
| BWS Office Supplies Limited | Wholesale & retail | 2013 |
| BWS Stationery Limited | Wholesale & retail | 2013 |
| BY Wright Group Ltd | Manufacturing | 2018 |
| BY1 Ltd | Extraterritorial | 2019 |
| Bycraftyfriends Ltd | Arts & recreation | 2024 |
| Bysr-Group Ltd | Financial services | 2025 |
| BYZ Yacht and Consulting Services Ltd | Extraterritorial | 2024 |
| B’S of Bloomfield Ltd | Hospitality | 2024 |
| B’S of Waterloo Limited | Hospitality | 2024 |
| C & F Properties North-West Limited | Real estate | 2018 |
| C & J Inspection Services Limited | Professional & scientific | 2009 |
| C & K Inns Ltd | Hospitality | 2019 |
| C & R Clayton Investments Limited | Real estate | 2022 |
| C & R Clayton Limited | Wholesale & retail | 2022 |
| C a Burke Construction Limited | Construction | 2010 |
| C a Goss Limited | Construction | 2011 |