| BARGAIN4ALL Ltd | Wholesale & retail | 2020 |
| Bargainee Ltd | Wholesale & retail | 2022 |
| Bargains Bradford Limited | Wholesale & retail | 2025 |
| Bargainz World Limited | Wholesale & retail | 2016 |
| Barhound PUB Co Ltd | Hospitality | 2013 |
| Bari Estates Ltd | Construction | 2026 |
| Bari Law Associates Ltd | Other services | 2019 |
| Barikah Ltd | Wholesale & retail | 2025 |
| Barira's Clothing Limited | Wholesale & retail | 2018 |
| Barkat Assets Ltd | Real estate | 2025 |
| Barkerbility Limited | Financial services | 2014 |
| Barkerend BD3 Ltd | Hospitality | 2024 |
| Barkerend Jewellers Ltd | Wholesale & retail | 2025 |
| Barkerend Meat & Poultry Limited | Manufacturing | 2020 |
| Barkerend Private Hire Ltd | Transport & logistics | 2023 |
| Barkerend Travel Ltd | Financial services | 2021 |
| Barkers (UK) Limited | Wholesale & retail | 2003 |
| Barkers Cars Ltd | Wholesale & retail | 2026 |
| Barkers Estate Agents Limited | Real estate | 2006 |
| Barkhill Dental Practice Limited | Health & social care | 2012 |
| Barkisland Holdings Ltd | Real estate | 2020 |
| Barkisland Investments Ltd | Real estate | 2020 |
| Barkisland Ltd | Real estate | 2020 |
| Barn Door Cakes Limited | Hospitality | 2018 |
| Barnett-Alexander Quality Consulting Ltd | Information & communication | 2019 |
| Baronet Park Developments Ltd | Construction | 2025 |
| Baronet Park Management Company Limited | Real estate | 2023 |
| Barraclough and Berry Property Sales Ltd | Real estate | 2026 |
| Barrel Boys Limited | Wholesale & retail | 2020 |
| Barrel Boys Pubco Limited | Hospitality | 2024 |
| Barrett C.C.S. Ltd | Professional & scientific | 2023 |
| Barrett Care Management Limited | Health & social care | 2026 |
| Barrett Engineering Steel Midlands Limited | Wholesale & retail | 2000 |
| Barrett Engineering Steel North East Limited | Wholesale & retail | 2000 |
| Barrett Engineering Steel North West Limited | Wholesale & retail | 2000 |
| Barrett Engineering Steel South Limited | Wholesale & retail | 2004 |
| Barrett Engineering Steel Willenhall Limited | Extraterritorial | 1995 |
| Barrett Nickel Alloys Limited | Wholesale & retail | 2004 |
| Barrett Steel Balustrade and Walkways Limited | Wholesale & retail | 2000 |
| Barrett Steel Dartford Limited | Wholesale & retail | 2009 |
| Barrett Steel Energy Products LOW Alloys Limited | Extraterritorial | 1995 |
| Barrett Steel Ireland Limited | Wholesale & retail | 2012 |
| Barrett Steel Offshore Limited | Wholesale & retail | 1992 |
| Barrett Steel Shoreham Limited | Extraterritorial | 2006 |
| Barrett Steel Stainless Limited | Wholesale & retail | 1999 |
| Barrett Steel Trading Limited | Wholesale & retail | 2000 |
| Barrett Steel Tubes Ireland Limited | Wholesale & retail | 1999 |
| Barrett Structures Limited | Professional & scientific | 2007 |
| Barrington Fabrics Limited | Wholesale & retail | 1998 |
| Barringtons (Chesterfield) Limited | Extraterritorial | 1999 |
| Barrowby Connemaras Limited | Agriculture & fishing | 2025 |
| Barry Laws Holdings Ltd | Financial services | 2025 |
| Barton Autos Limited | Extraterritorial | 2015 |
| Barton Equine Ltd | Arts & recreation | 2016 |
| Barugzai Ltd | Manufacturing | 2019 |
| Barway Holdings Ltd | Hospitality | 2025 |
| Barwick Bathroom Distribution LLP | | 2005 |
| Barwick Bathrooms Limited | Professional & scientific | 2021 |
| Barwick of Bradford Limited | Wholesale & retail | 1985 |
| Barwick Ventures Limited | Financial services | 2017 |
| Baryal Ltd | Wholesale & retail | 2025 |
| BAS Mini Spares Ltd | Wholesale & retail | 2018 |
| Bash SOL Limited | Information & communication | 2021 |
| Bashir Broadcast Services Ltd | Information & communication | 2012 |
| Bashir Catering Limited | Hospitality | 2025 |
| Bashir Structural Engineers Limited | Professional & scientific | 2021 |
| Bashir Travels Limited | Transport & logistics | 2016 |
| Basi Electrical Limited | Construction | 2020 |
| Basi Home Improvements Ltd | Construction | 2018 |
| Basi Property Holdings Limited | Real estate | 2020 |
| Basi Property Rentals Limited | Real estate | 2020 |
| Basi Smarter Homes Idle Ltd | Real estate | 2022 |
| Basi Smarter Homes Ltd | Construction | 2019 |
| Basit W Ltd | Wholesale & retail | 2025 |
| Basix Limited | Transport & logistics | 2024 |
| Basscally Ltd | Education | 2025 |
| Bassi Shoes Ltd | Wholesale & retail | 2013 |
| Bastos Lacerda Limited | Administrative & support | 2017 |
| Bateman Ogden & Co Limited | Wholesale & retail | 1952 |
| Batemans (2024) Ltd | Real estate | 2024 |
| Bateson Promotions Limited | Other services | 2024 |
| Bathed in Light Limited | Professional & scientific | 2017 |
| Bathinda Bega Limited | Wholesale & retail | 2025 |
| Battle Stories Ltd | Information & communication | 2021 |
| Batty Holdings Limited | Real estate | 2010 |
| Bauldy Ltd | Transport & logistics | 2018 |
| Bawazir Export Ltd | Wholesale & retail | 2024 |
| Bawcro Ltd | Administrative & support | 2024 |
| Bawcro Snow & Gritting Services Ltd | Transport & logistics | 2024 |
| Bawtry Care Limited | Health & social care | 2017 |
| Bay Horse Cowling Ltd | Hospitality | 2024 |
| Bay Nationwide Limited | Real estate | 2023 |
| Bay-G's Limited | Hospitality | 2026 |
| Baycliffe Properties Ltd | Real estate | 2025 |
| Baylinks Media Ltd | Information & communication | 2025 |
| Bayt AL Qaim Islamic Centre (Bradford) | Other services | 2015 |
| Bayt Al-Hikmah Ltd | Wholesale & retail | 2024 |
| Baytuk BFD Ltd | Hospitality | 2026 |
| BAZ Mini Market Limited | Wholesale & retail | 2025 |
| Bazaaria Limited | Wholesale & retail | 2025 |