| Better Products for Disabled Limited | Wholesale & retail | 2016 |
| Better Protect Limited | Financial services | 2017 |
| Betulla Services Ltd | Other services | 2018 |
| Beulah Care Home (Blackpool) Ltd | Health & social care | 2017 |
| Beverley Consultancy Ltd | Information & communication | 2024 |
| Bewild Sail Limited | Extraterritorial | 2025 |
| BF Street Angels CIC | Administrative & support | 2021 |
| BFW Transfers (Blackpool Fylde & Wyre Transfers) Limited | Transport & logistics | 2024 |
| BFW Transfers Ltd | Transport & logistics | 2025 |
| Bger Property Limited | Real estate | 2013 |
| BGS Invest Ltd | Real estate | 2024 |
| BGS Manufacturing Ltd | Manufacturing | 2024 |
| BGS Projects Ltd | Construction | 2014 |
| BH Composites Limited | Manufacturing | 2022 |
| BHA Alhallak Trading Ltd | Real estate | 2024 |
| Bibas Buy Sell Ltd | Wholesale & retail | 2025 |
| Big Blue Warehouse Limited | Wholesale & retail | 2014 |
| Big Farmer Ltd | Information & communication | 2022 |
| Big Foot Events Limited | Arts & recreation | 2005 |
| Big Picture Tech Ltd | Information & communication | 2017 |
| Big Star Barber 26 Ltd | Other services | 2026 |
| Big Step Concept Ltd | Wholesale & retail | 2024 |
| Bigbuoy UK Ltd | Wholesale & retail | 2025 |
| Biggles Consulting Limited | Information & communication | 2008 |
| Bigland Ltd | Construction | 2026 |
| Bikart Gadgets Ltd | Wholesale & retail | 2025 |
| Bikeulance Recovery Ltd | Transport & logistics | 2024 |
| Bilalworldwide Limited | Wholesale & retail | 2025 |
| Bilien Bricks Limited | Construction | 2024 |
| Bilien Build Limited | Construction | 2020 |
| Bilien Ltd | Real estate | 2016 |
| Bilien Property Management Ltd | Real estate | 2016 |
| Bill Rogerson Safety Services Limited | Professional & scientific | 1999 |
| Bills Saving Ltd | Administrative & support | 2026 |
| Bilsborrow Motor Company Ltd | Wholesale & retail | 2025 |
| Bingham and Jones Limited | Hospitality | 2013 |
| Binglea Hotel Limited | Hospitality | 2024 |
| Biocore Agri Ltd | Manufacturing | 2021 |
| Biopeptuk Limited | Professional & scientific | 2026 |
| Birch Tree Management Limited | Households | 1993 |
| Birchwood Gardens Management Co Ltd | Households | 2020 |
| Birk Fisheries Limited | Hospitality | 2016 |
| Biscuit Properties Limited | Real estate | 2018 |
| Bishops Audit Limited | Professional & scientific | 2023 |
| Bishopsgate (Wyre) Management Company Limited | Households | 1997 |
| Bispham & Cleveleys Kitchens Ltd | Hospitality | 2003 |
| Bispham Auto Repairs Ltd | Wholesale & retail | 2025 |
| Bispham Automotive Ltd | Wholesale & retail | 2025 |
| Bispham Baps Limited | Hospitality | 2023 |
| Bispham Body Repairs Limited | Administrative & support | 2019 |
| Bispham Convenience Store Limited | Wholesale & retail | 2015 |
| Bispham DRY Cleaners Limited | Administrative & support | 1998 |
| Bispham Hardware Ltd | Wholesale & retail | 2024 |
| Bispham Nail Studio Limited | Other services | 2025 |
| Bispham Store Ltd | Transport & logistics | 2026 |
| Bitcentrix Limited | Information & communication | 2014 |
| Bitelo Consulting Limited | Professional & scientific | 2024 |
| Biteo Ltd | Hospitality | 2026 |
| Bizflow Limited | Financial services | 2026 |
| Bizsocial Networking Ltd | Administrative & support | 2020 |
| Biztree Limited | Wholesale & retail | 2024 |
| BJJ Mortgages Limited | Financial services | 2007 |
| BJM Joinery Ltd | Construction | 2026 |
| Black Adder Property Investments PLC | Real estate | 2020 |
| Black Falcon Yachting Ltd | Extraterritorial | 2024 |
| Black Hole Wood Limited | Real estate | 1990 |
| Black LAB Solutions Limited | Information & communication | 2014 |
| Black Label Print Ltd | Manufacturing | 2025 |
| Black Pearl Luxury Apartments Limited | Hospitality | 2020 |
| Black Rock Homes Ltd | Real estate | 2020 |
| Black Rock Productions Limited | Information & communication | 2014 |
| Black Sheep Financial Ltd | Financial services | 2017 |
| Black Tower Wargaming Ltd | Wholesale & retail | 2024 |
| Blackgate Promotions Ltd | Other services | 2025 |
| Blackhurst Budd Limited | Professional & scientific | 2013 |
| Blackhursts Software Solutions Limited | Information & communication | 2006 |
| Blacklist Tattoo Ltd | Arts & recreation | 2023 |
| Blackpool & Fylde Coast Properties Ltd | Real estate | 2026 |
| Blackpool & Fylde Electrical Services Ltd | Construction | 2024 |
| Blackpool & Fylde Futsal Ltd | Education | 2017 |
| Blackpool & the Fylde Timber Gates Ltd | Wholesale & retail | 2025 |
| Blackpool Abode Limited | Hospitality | 2019 |
| Blackpool Air Guns Ltd | Wholesale & retail | 2023 |
| Blackpool Airport Limited | Professional & scientific | 2008 |
| Blackpool Airport Operations Limited | Professional & scientific | 2014 |
| Blackpool Airport Properties Limited | Real estate | 2004 |
| Blackpool Asset Holding Limited | Hospitality | 2024 |
| Blackpool Automotive (North West) Ltd | Wholesale & retail | 2015 |
| Blackpool Barber Pro Ltd | Other services | 2025 |
| Blackpool Bars Ltd | Hospitality | 2021 |
| Blackpool Beach Hotel Ltd | Hospitality | 2025 |
| Blackpool Blinds Limited | Other services | 2011 |
| Blackpool Boiler Installations Ltd. | Construction | 2014 |
| Blackpool Booze & News Limited | Wholesale & retail | 2018 |
| Blackpool Brew Limited | Manufacturing | 2026 |
| Blackpool Building & Roofing Services Ltd | Construction | 2013 |
| Blackpool BUS and Coach Trim Limited | Manufacturing | 2019 |
| Blackpool Business Improvement Districts Limited | Other services | 2021 |
| Blackpool Cabs Ltd | Transport & logistics | 2023 |
| Blackpool Car Keys Ltd | Wholesale & retail | 2024 |