| Bakersdozen Holdings Limited | Financial services | 2020 |
| Bala Pritam Ltd | Wholesale & retail | 2021 |
| Balaandco Ltd | Households | 2019 |
| Balance Beds Ltd | Wholesale & retail | 2024 |
| Balash Constructions Ltd | Construction | 2025 |
| Ball Mania Ltd | Arts & recreation | 2016 |
| Ballers Coaching Limited | Education | 2019 |
| Ballers Kitchen Rochdale Ltd | Hospitality | 2026 |
| Bamford Brook Apartments 2018 Limited | Households | 2018 |
| Bamford Clearance Solutions Ltd | Administrative & support | 2026 |
| Bamford Contract Services Holdings Limited | Administrative & support | 2021 |
| Bamford DEV Co Ltd | Construction | 2022 |
| Bamford DRY Cleaners Limited | Other services | 2001 |
| Bamford GAS Services Ltd | Professional & scientific | 2010 |
| Bamford Medical Ltd | Health & social care | 2024 |
| Bamford Pre-School Playgroup C.I.C. | Education | 2014 |
| Bamford Roofing Ltd | Administrative & support | 2017 |
| Bamford Tanning Studio Ltd | Wholesale & retail | 2025 |
| Bamsoft Limited | Information & communication | 2009 |
| Bangladeshi Doctors in the UK Limited | Professional & scientific | 2019 |
| Banoulka Software Ltd | Information & communication | 2024 |
| Banshee Group Limited | Construction | 2024 |
| Bapp Industrial Supplies (Lancs) Limited | Wholesale & retail | 1982 |
| Bapro Limited | Information & communication | 2012 |
| Barakah Hotel Ltd | Hospitality | 2020 |
| Barakah Lounge Ltd | Wholesale & retail | 2016 |
| Barakahrizq Limited | Wholesale & retail | 2014 |
| Barakat Estates North Ltd | Real estate | 2025 |
| Barali Ltd | Other services | 2012 |
| Bare Hill Books Limited | Information & communication | 2013 |
| Bareerah Ltd | Wholesale & retail | 2025 |
| Bargain Bedding Limited | Wholesale & retail | 2025 |
| Bargain Universe Ltd | Wholesale & retail | 2018 |
| Bargainingbox Ltd | Wholesale & retail | 2022 |
| Barkat Jewellers Northwest Ltd | Manufacturing | 2021 |
| Barker Owen Limited | Financial services | 2015 |
| Barnes Environmental Limited | Transport & logistics | 2022 |
| Barnes Group (Holdings) Limited | Professional & scientific | 2017 |
| Barnes Logistics (Cheshire) Limited | Transport & logistics | 1994 |
| Barnes Logistics Limited | Transport & logistics | 2004 |
| Barry North Properties Ltd | Real estate | 2024 |
| Bartec (U.K.) Limited | Manufacturing | 1983 |
| Bartoline International Limited | Manufacturing | 2022 |
| Barton Kendal Lettings Limited | Real estate | 2009 |
| Barton Property Consultancy Limited | Real estate | 2019 |
| Basama Ltd | Hospitality | 2024 |
| Bash Driving School Ltd | Education | 2025 |
| Bashir & S Ltd | Wholesale & retail | 2023 |
| Bashir & Sons Trading Ltd | Wholesale & retail | 2023 |
| Bassam Trading Ltd | Wholesale & retail | 2019 |
| Bath and Boiler Co. Ltd | Construction | 2019 |
| Batsch Properties Limited | Financial services | 2017 |
| Bava Ltd | Wholesale & retail | 2021 |
| Baxter Brothers Ltd | Transport & logistics | 2024 |
| Baxters of Lancashire Limited | Transport & logistics | 2011 |
| Bay Ecom UK Ltd | Wholesale & retail | 2014 |
| Bay of Bengal Aaria Ltd | Hospitality | 2020 |
| Bayat Enterprise Ltd | Wholesale & retail | 2023 |
| Bayman Atkinson Smythe Limited | Administrative & support | 2021 |
| BAZ Auto Brand Ltd | Wholesale & retail | 2024 |
| Bazz Barbers Limited | Other services | 2024 |
| Bazz Barberz Limited | Other services | 2025 |
| BB Dollhouse Limited | Manufacturing | 2025 |
| BB Services NW Ltd | Construction | 2021 |
| BB Tandoori Limited | Hospitality | 2018 |
| BB1 Car Slaes Limited | Wholesale & retail | 2025 |
| BBK Roch Limited | Hospitality | 2026 |
| BBTEXTILES13 Ltd | Wholesale & retail | 2014 |
| BC Bakes Ltd | Manufacturing | 2022 |
| BC Fish Limited | Hospitality | 2023 |
| BCA (Building Cost Associates) Ltd | Professional & scientific | 2012 |
| BCC Surgery Limited | Financial services | 2025 |
| BDM Voice Limited | Information & communication | 2005 |
| BE Inspired Consultancy Limited | Administrative & support | 2013 |
| BE Super Ltd | Professional & scientific | 2020 |
| BEA Psychology Ltd | Education | 2025 |
| Beacon Engineering Estimation Services Ltd | Wholesale & retail | 2023 |
| Bear Bargh Ltd | Real estate | 2026 |
| Beast Pharm Ltd | Manufacturing | 2023 |
| Beaumont Leys Residential Ltd | Real estate | 2026 |
| Beautify Crafts Ltd | Wholesale & retail | 2024 |
| Beauty by Anum Ltd | Other services | 2025 |
| Beauty-Tec Ltd | Other services | 2019 |
| BEAUTYSUPPLIES786 Limited | Wholesale & retail | 2025 |
| Bedding Home UK Ltd | Manufacturing | 2018 |
| Bedding Place Limited | Wholesale & retail | 2015 |
| Bedsway Ltd | Wholesale & retail | 2025 |
| BEE Clean Ltd | Administrative & support | 2019 |
| BEE Contracting Ltd | Construction | 2022 |
| Bee-Safe Cctv Ltd | Construction | 2017 |
| Beechrow Clothing Manufacturing Limited | Manufacturing | 1999 |
| Beechwood Tree Services Northwest Ltd | Other services | 2013 |
| Beemovers Ltd | Water & waste | 2022 |
| Beer and Wine Limited | Hospitality | 2025 |
| Beeway Ltd | Manufacturing | 2026 |
| Beeweb Limited | Manufacturing | 2000 |
| Bela Cakes & Desserts Ltd | Manufacturing | 2026 |
| Belfield Car Wash Ltd | Wholesale & retail | 2025 |
| Belfield Enforcement Ltd | Administrative & support | 2016 |
| Belfield Superstore Ltd | Wholesale & retail | 2018 |