| Battousai Ltd | Wholesale & retail | 2021 |
| Baxter Life Care Limited | Health & social care | 2014 |
| Bayley Arms Ltd | Hospitality | 2020 |
| Baynton Ford Ltd | Wholesale & retail | 2025 |
| Baywood Ltd | Administrative & support | 2022 |
| BAZ Cliff Pvcu Specialist Limited | Construction | 2021 |
| Bbhmm Ltd | Professional & scientific | 2017 |
| BC Car Cleaning Services Ltd | Administrative & support | 2026 |
| BC Housing Consultants Ltd | Information & communication | 2018 |
| Bcls Homes Limited | Construction | 2019 |
| BCM Joinery Building Limited | Construction | 2017 |
| BD Sport Ltd | Arts & recreation | 2007 |
| BD Stadia Ltd | Administrative & support | 2008 |
| Bdamr Services Limited | Information & communication | 2016 |
| BDC Vehicle Conversions Limited | Wholesale & retail | 2011 |
| Bdco Holdings Ltd | Wholesale & retail | 2024 |
| BDL Strategy and Intelligence Ltd | Professional & scientific | 2021 |
| BDS Driving School Ltd | Education | 2015 |
| Beach Blackpool Hotel Limited | Hospitality | 2024 |
| Beachcomber Steakhouse Limited | Hospitality | 2013 |
| Beachfood HUT Blackpool Ltd | Hospitality | 2026 |
| Beacon Restorative Care Ltd | Health & social care | 2024 |
| Beagrie Associates Ltd | Information & communication | 2021 |
| Beakell Tech Limited | Information & communication | 2025 |
| Beanies Consulting Limited | Information & communication | 2001 |
| Beanjam Limited | Financial services | 2025 |
| Bear Electrics SW Ltd | Manufacturing | 2022 |
| Bear Metals Limited | Manufacturing | 2017 |
| Bear PROPERTIES11 Ltd | Real estate | 2022 |
| Beardwood Developments Limited | Construction | 2014 |
| Bearwell Creative Ltd | Professional & scientific | 2024 |
| Beau-Time Limited | Administrative & support | 2021 |
| Beaufort Court (Bispham) Management Company 2010 Limited | Households | 2010 |
| Beaufort Strategic Value Limited | Professional & scientific | 2016 |
| Beaumont Court (ST. Annes) Limited | Households | 1983 |
| Beaumont Estate Group Ltd | Real estate | 2025 |
| Beaumont Joinery Services Limited | Construction | 2017 |
| Beauty 154 Limited | Wholesale & retail | 2005 |
| Beauwest NW Ltd | Real estate | 2025 |
| Bea’S Properties Ltd | Real estate | 2022 |
| Beck Steps Management Limited | Households | 2009 |
| Becky Janade Hair & Beauty Limited | Other services | 2020 |
| Becky Janade Hair Enhancement Limited | Other services | 2020 |
| Bedrock Pizza Ltd | Hospitality | 2020 |
| BEE Lets Ltd | Construction | 2021 |
| Beeches Court Limited | Households | 2001 |
| Beechfield Lawton Ltd | Real estate | 2023 |
| BEGTOR89 Ltd | Administrative & support | 2015 |
| Belgrade Solutions East Limited | Administrative & support | 2017 |
| Belgravia Care Home Limited | Health & social care | 2017 |
| Believe in Your Soul Ltd | Hospitality | 2023 |
| Bell Green (Valuers and Assessors) Limited | Extraterritorial | 1999 |
| Bell Green Loss Assessors Ltd | Financial services | 2013 |
| Bell Social Care Ltd | Administrative & support | 2021 |
| Bell's Plumbing & Heating Ltd | Construction | 2017 |
| Bella B Boutique Ltd | Wholesale & retail | 2022 |
| Bella Beauty Bar Ltd | Other services | 2015 |
| Bella MAC Aesthetics Ltd | Other services | 2025 |
| Bellgate Crest Ltd | Wholesale & retail | 2025 |
| Bellpride Trading Limited | Real estate | 2011 |
| Belreve Limited | Hospitality | 2023 |
| BEM Family Limited | Financial services | 2025 |
| Bencray Limited | Transport & logistics | 1977 |
| Benedicta John Care Ltd | Health & social care | 2020 |
| Benjamin Outram Ltd | Information & communication | 2018 |
| Bennett of Ansdell Limited | Manufacturing | 2013 |
| Bennett's Coffee Shop Limited | Hospitality | 2024 |
| Bennu Consulting Limited | Information & communication | 2016 |
| Benny Shopfitting Ltd | Construction | 2026 |
| Benson Nurseries Limited | Agriculture & fishing | 2009 |
| Benyben Ltd | Administrative & support | 2025 |
| Bereavement Support Network Ltd | Other services | 2012 |
| Beresford Asset Management Limited | Real estate | 2003 |
| Beresford James Capital Limited | Real estate | 2020 |
| Beresford Road Management Limited | Households | 1995 |
| Berford Properties Limited | Real estate | 2004 |
| Berkeley Consultants UK Limited | Administrative & support | 2005 |
| Berkeley Nightingale Ltd | Real estate | 2019 |
| Berler Yachting Limited | Extraterritorial | 2026 |
| Bern Couriers Ltd | Transport & logistics | 2024 |
| Berry & Berry Property Holdings Limited | Financial services | 2018 |
| Berry Financial Planning Limited | Financial services | 2009 |
| Berry Naturals Limited | Wholesale & retail | 2020 |
| Besa Building Limited | Manufacturing | 2025 |
| Bespoke Build North West Ltd | Construction | 2021 |
| Bespoke Costs Limited | Professional & scientific | 2015 |
| Bespoke Education Engagement Service Ltd | Education | 2025 |
| Bespoke Healthcare Products Limited | Health & social care | 2013 |
| Bespoke Mall Experiences Ltd | Arts & recreation | 2023 |
| Bespoke Properties North West Ltd | Real estate | 2020 |
| Bespoke Residential Surveys Ltd | Professional & scientific | 2021 |
| Best at Solutions CIC | Other services | 2013 |
| Best Choice Roofers & Property Maintenance Ltd | Construction | 2026 |
| Best Choice Roofers NW Ltd | Construction | 2025 |
| Best Kebab PLF Ltd | Hospitality | 2022 |
| Best of GB Services Limited | Construction | 1999 |
| Beta Sales Ltd | Wholesale & retail | 2026 |
| Betfrank Properties Ltd | Real estate | 2019 |
| Bethelec Limited | Construction | 1996 |
| Better Minds Lancashire CIC | Education | 2023 |