| Bennet James Limited | Real estate | 2014 |
| Bennett Engineering (Midlands) Limited | Construction | 2025 |
| Bennett Road (Sutton Coldfield) Management Company Limited | Households | 2014 |
| Bennetts (Sutton Coldfield) Limited | Real estate | 2015 |
| Bequip Marshall Limited | Wholesale & retail | 2007 |
| Bergelmir Modular Ecopod Limited | Manufacturing | 2021 |
| Berkley Design and Build Limited | Construction | 2021 |
| Berkswell Homes Ltd | Real estate | 2007 |
| Berkswell Technology Services Limited | Information & communication | 2019 |
| Berner Holdings Ltd | Financial services | 2023 |
| Beronetti Limited | Wholesale & retail | 2016 |
| Berrydown Limited | Administrative & support | 2009 |
| Berwick Advisory Solutions Ltd | Professional & scientific | 2020 |
| Bespoke Art and Home Interiors Ltd | Wholesale & retail | 2022 |
| Bespoke Children’S Home Care Ltd | Health & social care | 2025 |
| Bespoke Construction Consultants Limited | Construction | 2023 |
| Bespoke Fostering Limited | Health & social care | 2024 |
| Bespoke Garden Designs Limited | Administrative & support | 2021 |
| Bespoke Legal Ltd | Professional & scientific | 2015 |
| Bespoke Metal Finishing and Plating Limited | Manufacturing | 2026 |
| Bespoke Office Space Solutions Limited | Administrative & support | 2015 |
| Bespoke-Advice Four Oaks Limited | Administrative & support | 2015 |
| Best Birmingham Roofers Ltd | Construction | 2025 |
| Best Brands International Ltd | Wholesale & retail | 2025 |
| Best Emerald Barbers Ltd | Other services | 2026 |
| Best One Sutton Ltd | Wholesale & retail | 2024 |
| Best Selection Real Estate Limited | Real estate | 2022 |
| Best Selection Recruitment Limited | Administrative & support | 2011 |
| BET Partners Limited | Information & communication | 2019 |
| Beta Environment Management Limited | Professional & scientific | 2010 |
| Betapest Midlands Ltd | Administrative & support | 1999 |
| Bethany (Midlands) Limited | Real estate | 2010 |
| Bethel Bakery UK Limited | Manufacturing | 2019 |
| Bethel Wellness Ltd | Information & communication | 2025 |
| Bethesda Technology Ltd | Real estate | 2015 |
| Better Invest Direct Limited | Financial services | 2000 |
| Beyond Eden Garden Design Ltd | Professional & scientific | 2023 |
| Beyond Home Limited | Wholesale & retail | 2014 |
| Beyourselfbu Ltd | Wholesale & retail | 2020 |
| BFI Konzult Limited | Health & social care | 2020 |
| BG Advocates Ltd | Professional & scientific | 2021 |
| BGF 1 Limited | Hospitality | 2015 |
| BGF 3 Limited | Hospitality | 2015 |
| BGF 4 Limited | Hospitality | 2017 |
| Bgib Ltd | Real estate | 2025 |
| BH & R Property Ltd | Real estate | 2026 |
| BH Case Management Limited | Financial services | 2023 |
| Bhabour Group Limited | Financial services | 2026 |
| Bhajan Bites Limited | Wholesale & retail | 2025 |
| Bhakta Consulting Ltd | Information & communication | 2014 |
| Bhalee Consultancy Ltd | Other services | 2017 |
| Bhalla Property Management Ltd | Real estate | 2021 |
| Bhatti Food Services Ltd | Hospitality | 2022 |
| BHD Creative Limited | Professional & scientific | 2013 |
| BHG Holdings Limited | Extraterritorial | 2019 |
| BHG Valet Limited | Administrative & support | 2009 |
| BHM 464 Ltd. | Hospitality | 2017 |
| Bhogal Healthcare Holdings Limited | Financial services | 2025 |
| BHREI-28 Limited | Real estate | 2023 |
| BHT Investments Limited | Real estate | 2020 |
| BHX Chaffeur Limited | Transport & logistics | 2026 |
| BHX Chauffeur Limited | Transport & logistics | 2026 |
| BIB Inc Limited | Professional & scientific | 2019 |
| Bibliogwen Ltd | Administrative & support | 2020 |
| Bickton Close (60-70 Evens) Management Company Limited | Real estate | 2003 |
| Big Sangha Holdings Ltd | Real estate | 2026 |
| Big Sangha Trading Limited | Hospitality | 2026 |
| Big Stan Media Limited | Administrative & support | 2008 |
| Big Wave Creations Ltd | Professional & scientific | 2025 |
| Big Wols Ltd | Administrative & support | 2015 |
| Biggles Aviation Limited | Extraterritorial | 1998 |
| BIH Consultancy Ltd | Professional & scientific | 2024 |
| Biking Lighting Limited | Arts & recreation | 2012 |
| Bilathi Media House Ltd | Information & communication | 2025 |
| Bilston Developments Ltd | Real estate | 2016 |
| Bimcor Limited | Construction | 2026 |
| Bimms One Ltd | Real estate | 2025 |
| Bimodal Systems Ltd. | Professional & scientific | 2013 |
| Binary Supply Chain Management (UK) Ltd | Wholesale & retail | 2018 |
| Bindu Medical Services Limited | Health & social care | 2022 |
| Bindu's Beauty Clinic Limited | Health & social care | 2025 |
| Binley Mega Limited | Hospitality | 2021 |
| Binwell Property Services Limited | Real estate | 2025 |
| Bio-Developments Limited | Professional & scientific | 1996 |
| Bioenergy & Environmental Solutions Limited | Professional & scientific | 2024 |
| Biomethane Service Ltd | Administrative & support | 2023 |
| Biores 96 Limited | Health & social care | 2022 |
| Birchmoore Limited | Other services | 2023 |
| Birds Machinery Services Limited | Manufacturing | 2005 |
| Birkbeck Securities Limited | Professional & scientific | 1874 |
| Birmingham & Solihull Bladder Clinic Limited | Real estate | 2005 |
| Birmingham Air Conditioning Ltd | Energy | 2022 |
| Birmingham and Solihull ENT Limited | Health & social care | 2011 |
| Birmingham Archive Depository Limited | Transport & logistics | 2003 |
| Birmingham BAT Surveys Ltd | Professional & scientific | 2023 |
| Birmingham Creative Studio Ltd | Information & communication | 2023 |
| Birmingham Crematorium (1973) Limited | Extraterritorial | 1939 |
| Birmingham Diagnostic Ultrasound Services Ltd | Health & social care | 2023 |
| Birmingham Ductwork Services Limited | Construction | 2016 |
| Birmingham Engineering & Repair Solutions Ltd | Manufacturing | 2013 |