| Banana Enterprise Network | Other services | 2014 |
| Banani Sakti Investments Ltd | Financial services | 2025 |
| Banayoal Ltd | Hospitality | 2023 |
| Banbury Street Five Limited | Professional & scientific | 2021 |
| Banbury Street Four Limited | Professional & scientific | 2021 |
| Banbury Street Holdings Limited | Professional & scientific | 2021 |
| Banbury Street Limited | Professional & scientific | 2021 |
| Banbury Street One Limited | Professional & scientific | 2021 |
| Banbury Street SIX Limited | Professional & scientific | 2021 |
| Banbury Street Three Limited | Professional & scientific | 2021 |
| Banbury Street Two Limited | Professional & scientific | 2021 |
| Banc Media Ltd | Information & communication | 2009 |
| Bancar Technologies Limited | Financial services | 2016 |
| Banchie Limited | Wholesale & retail | 2018 |
| Bancino Ltd | Wholesale & retail | 2024 |
| Bancroft Plumbing & Building Ltd | Construction | 2010 |
| Band on the Wall Trading Limited | Hospitality | 2015 |
| Bandama Holdings Ltd | Financial services | 2024 |
| Bandar Mohammed Hezam Alashmali and Partener Co Ltd | Wholesale & retail | 2025 |
| Bandbox Laundry Limited | Information & communication | 2016 |
| Bando Property Group Ltd | Real estate | 2024 |
| Bando's Ltd | Hospitality | 2021 |
| Bandroom Ltd | Education | 2024 |
| Bandwidth Production Ltd | Information & communication | 2017 |
| Bandy Fields Ltd | Real estate | 2026 |
| Banen Associates Limited | Administrative & support | 2014 |
| Banerjee Investment Services Ltd | Financial services | 2024 |
| Banerjee Medical Services Ltd | Health & social care | 2024 |
| Bang Tidy Cleaning Products Ltd | Wholesale & retail | 2025 |
| Banga Curries Ltd | Manufacturing | 2025 |
| Banga Holdings Limited | Financial services | 2024 |
| Banging Drum Creative Ltd | Professional & scientific | 2022 |
| Bangkok for Industrial Investment Ltd | Wholesale & retail | 2025 |
| Bangla Autos Ltd | Wholesale & retail | 2016 |
| Bangla Bazar Longsight Ltd | Wholesale & retail | 2019 |
| Bangla Bhais Ltd | Professional & scientific | 2024 |
| Bangla Kitchen Limited | Hospitality | 2025 |
| Bangla Kitchen MCR Ltd | Hospitality | 2026 |
| Bangladeshi Cuisine Ltd | Hospitality | 2023 |
| Bangor Housing Ltd | Real estate | 2025 |
| Bangor Valeting Ltd | Administrative & support | 2026 |
| Banh MI Co BA Ltd | Hospitality | 2019 |
| Banha for Urban Development Ltd | Wholesale & retail | 2026 |
| Banham Group Limited | Agriculture & fishing | 1965 |
| Banham Poultry Limited | Manufacturing | 2010 |
| Bani RAO Group Limited | Transport & logistics | 2026 |
| Bani Trading Ltd | Wholesale & retail | 2013 |
| Banico Controls Limited | Extraterritorial | 2004 |
| Banico Holdings Limited | Financial services | 2017 |
| Banico Limited | Wholesale & retail | 1989 |
| Banidev Limited | Construction | 2017 |
| Baniprop Limited | Administrative & support | 2017 |
| Bank Street (Sale) Management Company Limited | Households | 2003 |
| Bank Training Ltd | Education | 2016 |
| Bankfield Construction Ltd | Professional & scientific | 2009 |
| Bankfield Properties Ltd | Real estate | 2019 |
| Bankfoot Apam Limited | Real estate | 2020 |
| Bankifi Technology Limited | Information & communication | 2017 |
| Banks Long & Co Limited | Real estate | 2011 |
| Banks Partners Ltd | Professional & scientific | 2022 |
| Bankside (Colliers Yard) Management Company Limited | Households | 2025 |
| Bankside Consultants Limited | Professional & scientific | 2025 |
| Bankside Patterson Limited | Manufacturing | 1959 |
| Bankside Place Chapelfield Management Company Limited | Households | 2015 |
| Bankwell Holdings Limited | Financial services | 2025 |
| Banky Logistic and Transport Limited | Transport & logistics | 2020 |
| Banner Dell Limited | Professional & scientific | 2015 |
| Banner Wise Limited | Wholesale & retail | 2024 |
| Bannersinc Ltd | Manufacturing | 2019 |
| Bano Hub Ltd | Hospitality | 2025 |
| Banoful Sweet House Limited | Manufacturing | 2015 |
| Banoful Sweet Rochdale Limited | Manufacturing | 2026 |
| Banori Group Limited | Wholesale & retail | 2025 |
| Banque Santander SA Ltd | Information & communication | 2015 |
| Bantoo PAY Ltd | Information & communication | 2019 |
| Bants and Bash Ltd | Arts & recreation | 2024 |
| Bantu Shipping Ltd | Transport & logistics | 2024 |
| Banusha Ltd | Other services | 2025 |
| Banya Hudson Ltd | Administrative & support | 2024 |
| Banyanhawk Limited | Real estate | 2025 |
| Baob Ltd | Information & communication | 2026 |
| Baocheng Technology Limited | Manufacturing | 2026 |
| Baodan NB Ltd | Wholesale & retail | 2025 |
| Baoji Titanum Industry Co., Ltd | Administrative & support | 2025 |
| Baold Ltd | Hospitality | 2021 |
| Baold Trading Ltd | Hospitality | 2021 |
| Baoliang NB Ltd | Wholesale & retail | 2025 |
| Baoxfrd Ltd | Hospitality | 2023 |
| Baoxfrd Trading Ltd | Hospitality | 2023 |
| Bapi Ltd | Hospitality | 2021 |
| Bapi Trading Ltd | Hospitality | 2021 |
| Baqrx Pharma Ltd | Wholesale & retail | 2021 |
| Bar 1.0 Ltd | Real estate | 2010 |
| Bar B Q Limited | Hospitality | 2019 |
| Bar Brawls Ltd | Hospitality | 2025 |
| Bar Encore Ltd | Hospitality | 2017 |
| Bar Fringe Limited | Hospitality | 2019 |
| Bar on Wheels Limited | Wholesale & retail | 2023 |
| Bar Plumbing Heating Limited | Construction | 2014 |
| Bar SHU Impression Limited | Hospitality | 2019 |