| Babe Fitness Limited | Arts & recreation | 2024 |
| Babecs Properties Limited | Real estate | 2010 |
| Baby Box Liverpool Ltd | Wholesale & retail | 2023 |
| Baby E Coffee & Deli Ltd | Administrative & support | 2018 |
| Baby Fish & Chips Takeaway Ltd | Hospitality | 2026 |
| Baby It's YOU Limited | Health & social care | 2011 |
| Baby Melanie Ltd | Wholesale & retail | 2009 |
| Baby Melonie Barrow Ltd | Wholesale & retail | 2012 |
| Baby Network Holdings Limited | Financial services | 2022 |
| Baby Network Limited | Information & communication | 2005 |
| Babydock Cabs Ltd | Other services | 2004 |
| Babylon Bakery (Liverpool) Limited | Wholesale & retail | 2022 |
| Babylon Property Northwest Limited | Households | 2024 |
| Babylon Store Company Ltd | Wholesale & retail | 2019 |
| Babymelaney (NW) Ltd | Wholesale & retail | 2025 |
| Babymyth Ltd | Wholesale & retail | 2019 |
| BAC Property Holdings Ltd | Real estate | 2025 |
| Bacchus School of Wine & Tours Ltd | Education | 2025 |
| Bache Commodities Limited | Professional & scientific | 2021 |
| Bacheys Limited | Wholesale & retail | 2025 |
| Bachra Investments Ltd | Real estate | 2025 |
| Back on Track (Liverpool) Limited | Education | 2017 |
| Back to Life Liverpool CIC | Health & social care | 2014 |
| Background Checks Ltd | Administrative & support | 2026 |
| Backhouse Bloore Limited | Administrative & support | 2019 |
| Backslash Audio Ltd | Information & communication | 2022 |
| Bacon & Woodrow Partnerships Limited | Financial services | 1996 |
| BAD Medic Records Limited | Arts & recreation | 2022 |
| BAD Wolf Tactical Ltd | Wholesale & retail | 2023 |
| Badel Furniture Store Limited | Wholesale & retail | 2023 |
| Bader Linguistic Ltd | Professional & scientific | 2025 |
| Badger Stores Ltd | Wholesale & retail | 2007 |
| Badger's Rise Management Company Ltd | Real estate | 2024 |
| Badgerglen Limited | Health & social care | 2021 |
| Badizo Clothing Limited | Wholesale & retail | 2024 |
| Badland Ltd | Wholesale & retail | 2025 |
| BAE Studio Limited | Health & social care | 2025 |
| Baexcellence Ltd | Professional & scientific | 2014 |
| Bafa Ventures Ltd | Financial services | 2025 |
| Bag-D Trading Limited | Wholesale & retail | 2024 |
| Bagheera Capital Limited | Financial services | 2023 |
| Bagi Liverpool Ltd | Hospitality | 2025 |
| BAH Floor Solutions Ltd | Construction | 2025 |
| Bahar Store Ltd | Wholesale & retail | 2025 |
| Baharia Tech Ltd | Manufacturing | 2020 |
| Bahd Dahdi Ltd | Information & communication | 2026 |
| Bahj Consultants Ltd | Wholesale & retail | 2023 |
| Bahjat Abuzanouna Ltd | Professional & scientific | 2023 |
| Baiaram Construction Ltd | Construction | 2022 |
| Baig & Shah Properties Ltd | Real estate | 2023 |
| Bailgate Capital Ltd | Real estate | 2024 |
| Baillie Property Group Ltd | Real estate | 2025 |
| Baimuye Ltd | Wholesale & retail | 2024 |
| Baines Property Developments Ltd | Real estate | 2025 |
| Baitsbyaki Limited | Manufacturing | 2025 |
| Baize CUE Sports Limited | Other services | 2005 |
| BAJ Jointing Ltd | Construction | 2025 |
| Bajaj Medical & Investment Services Ltd | Real estate | 2003 |
| Bajcomm Ltd | Administrative & support | 2015 |
| BAK General Trading Limited | Wholesale & retail | 2018 |
| Bak's Investment Ltd | Real estate | 2023 |
| Bakare Barley Ltd | Professional & scientific | 2021 |
| Bakchich ST Johns Ltd | Extraterritorial | 2016 |
| Bake My Day Heaven Limited | Manufacturing | 2025 |
| Baker Asphalt Ltd | Construction | 2017 |
| Baker Hill Ltd | Administrative & support | 2025 |
| Baker Investment Company Trading Limited | Professional & scientific | 2017 |
| Baker Properties Limited | Real estate | 2003 |
| Baker Sillavan Limited | Wholesale & retail | 1975 |
| Baker's DRY Cleaner Ltd | Other services | 2021 |
| Bakerfresh Limited | Wholesale & retail | 2012 |
| Bakerfresh Wholesale Ltd | Wholesale & retail | 2025 |
| Baks&K Transport Limited | Transport & logistics | 2017 |
| Bala Developments Limited | Real estate | 1997 |
| Bala Saraswathy School of Music Limited | Information & communication | 2020 |
| Balaia Ltd | Transport & logistics | 2019 |
| Balan Investments Ltd | Real estate | 2021 |
| Balance Brickwork Ltd | Construction | 2011 |
| Baldal Ltd | Professional & scientific | 2025 |
| Baldelli Translations Ltd | Wholesale & retail | 2019 |
| Balein Deliverers Ltd | Transport & logistics | 2025 |
| Balfour-Lynn Trading Limited | Professional & scientific | 2013 |
| Balkan Muslims Cultural Centre CIC | Education | 2024 |
| Balkeen Properties Ltd | Real estate | 2022 |
| Ball Management Ltd | Other services | 2021 |
| Ball Watch UK Ltd | Wholesale & retail | 2014 |
| Balleris Ltd | Wholesale & retail | 2020 |
| Ballersint Ltd | Professional & scientific | 2022 |
| Ballistic FM Ltd | Wholesale & retail | 2010 |
| Balloons by Ashley Limited | Arts & recreation | 2023 |
| Ballpark Developments Limited | Construction | 2013 |
| Ballpark Property Ltd | Real estate | 2002 |
| Balltica Consulting Ltd | Financial services | 2019 |
| Ballydale Limited | Real estate | 2019 |
| Balmal Limited | Health & social care | 2021 |
| Balmoral Design Limited | Professional & scientific | 2009 |
| Balta Perio Ltd | Health & social care | 2026 |
| Baltercourt Limited | Real estate | 1978 |
| Balthazar and Mash Ltd | Hospitality | 2019 |
| Balthazar and Roux Ltd | Hospitality | 2020 |