| Baked Avenue Ltd | Manufacturing | 2025 |
| Baked Earth Ltd | Construction | 2023 |
| Baked N Loaded Express Ltd | Hospitality | 2026 |
| Baked N Loaded Spuds Ltd | Hospitality | 2024 |
| Bakedbymadeleine Ltd | Wholesale & retail | 2025 |
| Bakeinns Limited | Wholesale & retail | 2020 |
| Baker Hand Car-Wash Ltd | Other services | 2022 |
| Baker's HUT Ltd | Wholesale & retail | 2021 |
| Bakers Passion Ltd | Manufacturing | 2025 |
| Bakes X Shakes Ltd | Hospitality | 2025 |
| Bakh - OUD Ltd | Wholesale & retail | 2025 |
| Bakhmal JAN Ltd | Wholesale & retail | 2025 |
| Bakhtawer Enterprises Ltd | Other services | 2018 |
| BAL Builders Hull Limited | Construction | 2014 |
| BAL Corp Ltd | Professional & scientific | 2021 |
| Balaal Khan & Partners Limited | Professional & scientific | 2017 |
| Balaal Khan Holdings Limited | Real estate | 2017 |
| Balanki Holdings Limited | Real estate | 2018 |
| Balanki Maintenance Limited | Real estate | 2018 |
| Baldwin Property Developments Ltd | Construction | 2026 |
| Baljit Couriers Ltd | Transport & logistics | 2024 |
| Ballard Close Ltd | Real estate | 2024 |
| Ballers Kitchen Bradford Ltd | Hospitality | 2026 |
| Ballet Barre Productions and Events Ltd | Arts & recreation | 2024 |
| Ballr Lounge 1 Ltd | Arts & recreation | 2025 |
| Ballr Lounge Limited | Arts & recreation | 2024 |
| Ballys Checkout Ltd | Wholesale & retail | 2013 |
| Balmoral Comfort Holdings Limited | Financial services | 2025 |
| Balmoral Comfort International Limited | Wholesale & retail | 2025 |
| Baloochor Ltd | Hospitality | 2020 |
| Balti House Baildon Ltd | Hospitality | 2021 |
| Baltic Group Food Ltd | Wholesale & retail | 2023 |
| Balwinder Kaur Ltd | Hospitality | 2021 |
| Banana Beach (Wibsey) Limited | Wholesale & retail | 2009 |
| Banana Beach Ltd | Other services | 2025 |
| Banana Laptops Ltd | Wholesale & retail | 2017 |
| Banba Wellness Ltd | Other services | 2024 |
| Bandeja Padel Club Ltd | Arts & recreation | 2026 |
| Bandhan BFD Ltd | Wholesale & retail | 2026 |
| Bandt 24 HR Healthcare Ltd | Health & social care | 2020 |
| Bandu Traders Limited | Wholesale & retail | 2022 |
| Bandwagon Records Limited | Information & communication | 2012 |
| Bangash Property Investments Ltd | Real estate | 2025 |
| Banggear Auto Ltd | Wholesale & retail | 2024 |
| Banggear Ltd | Wholesale & retail | 2016 |
| Banggear Property Ltd | Real estate | 2024 |
| Bangla Bantams Ltd | Arts & recreation | 2023 |
| Banjym Holdings Ltd | Financial services | 2018 |
| Bankfoot Auto Centre Limited | Wholesale & retail | 2022 |
| Bankfoot Chair Frames Limited | Manufacturing | 2017 |
| Bankrupt Stock Floors Ltd | Wholesale & retail | 2026 |
| Bannerman Signs Limited | Manufacturing | 2024 |
| Bannut Nursery Ltd | Wholesale & retail | 2025 |
| Banque DE Paris Ltd | Financial services | 2019 |
| Banque Espana SA Ltd | Financial services | 2019 |
| Bans Limited | Information & communication | 2002 |
| Bantam Developments Ltd | Construction | 2018 |
| Bantam of the Opera Choir Limited | Arts & recreation | 2026 |
| Bantam Properties Ltd | Extraterritorial | 2018 |
| Bantita Ltd | Health & social care | 2025 |
| Banw 2010 Limited | Hospitality | 2014 |
| Banya Malina Ltd | Wholesale & retail | 2026 |
| BAP BOY Ltd | Hospitality | 2024 |
| Baphile Ltd | Administrative & support | 2016 |
| Bar 1937 Ltd | Hospitality | 2025 |
| Bar 61 Limited | Hospitality | 2022 |
| Bar Above Ltd | Hospitality | 2025 |
| Bar Bevitori Limited | Hospitality | 2018 |
| Bar Food Delivery Ltd | Hospitality | 2025 |
| BAR66 Ltd | Hospitality | 2026 |
| Barair Systems Limited | Manufacturing | 2003 |
| Barak Properties Ltd | Real estate | 2021 |
| Barakah Bros BFD Ltd | Hospitality | 2025 |
| Barakah Care Homes Ltd | Health & social care | 2025 |
| Barakah Caterers Limited | Hospitality | 2019 |
| Barakah Catering Ltd | Hospitality | 2023 |
| Barakah Education and Wellbeing CIC | Education | 2025 |
| Barakahblends Ltd | Wholesale & retail | 2024 |
| Barakat Al-Madina Ltd | Manufacturing | 2016 |
| Barber Prime Ltd | Other services | 2025 |
| Barberlyon Ltd | Other services | 2020 |
| Barbershop Greensgate Limited | Other services | 2026 |
| Barberzzz Ltd | Other services | 2022 |
| Barbour & Ezra Ltd | Real estate | 2010 |
| Barcall Limited | Professional & scientific | 2014 |
| Barcelona Organization Ltd | Transport & logistics | 2024 |
| Barcode Fragrances Limited | Wholesale & retail | 2023 |
| Bardon Estates Limited | Real estate | 2024 |
| Bardshan 155 Ltd | Wholesale & retail | 2025 |
| Bare Blissful Solution Ltd | Wholesale & retail | 2025 |
| Bareskinrefinery Ltd | Other services | 2025 |
| Barford Property Services Limited | Real estate | 2011 |
| Bargain Centre/ Bargain Vapes Limited | Wholesale & retail | 2025 |
| Bargain Dome Ltd | Wholesale & retail | 2025 |
| Bargain Haven Ltd | Wholesale & retail | 2025 |
| Bargain Master Ltd | Wholesale & retail | 2018 |
| Bargain Motors Limited | Wholesale & retail | 2022 |
| Bargain Outlet Shoppers Limited | Administrative & support | 2018 |
| Bargain Street Limited | Wholesale & retail | 2016 |
| Bargain Wholsale Ltd | Transport & logistics | 2019 |