| BRD Entertainment Ltd | Arts & recreation | 2025 |
| BRD Property Solutions Ltd | Real estate | 2025 |
| BRE Trading Ltd | Hospitality | 2026 |
| BREAK711 Limited | Information & communication | 2019 |
| Breakout Ltd | Information & communication | 2024 |
| Brearman Ltd | Construction | 2021 |
| Brian Gumbley Letting Services Limited | Households | 2017 |
| Bricklayers Arms (Altrincham) Limited | Hospitality | 2015 |
| Brickstone Invest Limited | Real estate | 2021 |
| Bridge 34 Radcliffe Limited | Professional & scientific | 2011 |
| Bridge Fold Funeral Service Limited | Other services | 2017 |
| Bridge Junior Football Club Limited | Arts & recreation | 2012 |
| Bridgegate Holdco Ltd | Real estate | 2025 |
| Bridgehall Leisure Limited | Hospitality | 2003 |
| Bridgelane Industries Limited | Administrative & support | 2015 |
| Bridgepeak Recruitment Ltd | Administrative & support | 2026 |
| Bridgewater Land & Developments Ltd | Construction | 2022 |
| Brighouse Properties Limited | Real estate | 2024 |
| Bright Future Global Ltd | Transport & logistics | 2013 |
| Bright Futures Capital Ltd | Real estate | 2023 |
| Bright Futures Training Ltd | Education | 2019 |
| Bright Mark Trade Limited | Wholesale & retail | 2018 |
| Brighten Investments Limited | Financial services | 2007 |
| Brighter Joy Ltd | Transport & logistics | 2023 |
| Brighter Path Group Ltd | Health & social care | 2025 |
| Brightmark Solutions Ltd | Information & communication | 2016 |
| Brightview Windows and Conservatories Ltd | Manufacturing | 2025 |
| Brightway Recruitment Limited | Professional & scientific | 2025 |
| Brimela Jewels Ltd | Wholesale & retail | 2025 |
| Brinel Homescapes Ltd | Other services | 2021 |
| Brinel Roofing Limited | Construction | 2023 |
| Briskys Ltd | Hospitality | 2020 |
| Briskys Solutions Ltd | Hospitality | 2024 |
| Britannia Events Management Ltd | Administrative & support | 2024 |
| Britannia Metals Limited | Wholesale & retail | 2018 |
| Britannia Motors 4X4 Ltd | Wholesale & retail | 2009 |
| Britmart Traders Limited | Wholesale & retail | 2026 |
| BRK Plumbing & GAS Services Ltd | Construction | 2024 |
| Broadhalgh Limited | Other services | 2025 |
| Broadley Fold Farm Ltd | Agriculture & fishing | 2022 |
| Broadview Court Management Ltd | Administrative & support | 2025 |
| Brock Creations Limited | Administrative & support | 2018 |
| Brockton Properties Limited | Extraterritorial | 2021 |
| Brogden & Sons Property Group Ltd | Real estate | 2025 |
| Brookdale Motors Ltd | Wholesale & retail | 2025 |
| Browhead Holdings Limited | Financial services | 2025 |
| Browline Limited | Other services | 2016 |
| Browline Private Ltd | Other services | 2020 |
| Brown Oaks Joinery & Developments Ltd | Construction | 2025 |
| Brunswick Building Solutions Ltd | Construction | 2025 |
| Brunswick Solutions NW Ltd | Construction | 2026 |
| BSP Services (Northwest) Limited | Construction | 2025 |
| BSP Services Limited | Construction | 2009 |
| BSY Investments Ltd | Construction | 2026 |
| BTK Boxing Academy Limited | Arts & recreation | 2018 |
| BTL Direct Limited | Construction | 2019 |
| Bubble Beauty Limited | Other services | 2025 |
| Bubblespace Consulting Ltd | Other services | 2023 |
| Buchan Holdings Limited | Professional & scientific | 2015 |
| Buchan Jones Holdings Ltd | Professional & scientific | 2022 |
| Buhle Care Services Ltd | Health & social care | 2026 |
| Build Supply Ltd | Wholesale & retail | 2019 |
| Builders Buddy Ltd | Wholesale & retail | 2020 |
| Building by Designs Ltd | Construction | 2020 |
| Built Different Ltd | Manufacturing | 2025 |
| Bukky's Stitches Ltd | Professional & scientific | 2025 |
| Bull and Brow Limited | Hospitality | 2025 |
| Bulldog Metals Ltd | Administrative & support | 2009 |
| Bulletproof Homes Ltd | Construction | 2025 |
| Bullock & Sons Transport Ltd | Transport & logistics | 2006 |
| Bump to Beyond Ltd | Health & social care | 2019 |
| Bun-Deal Ltd | Hospitality | 2025 |
| Bunzup Ltd | Hospitality | 2026 |
| Buraq 27 Ltd | Transport & logistics | 2019 |
| Burgers & Deli Bar Limited | Hospitality | 2024 |
| Burghley IT Limited | Arts & recreation | 2015 |
| Burke & Eastwood Electrical Limited | Construction | 2009 |
| Burns Court (Norden) Limited | Households | 2002 |
| Burns Motor Works Ltd | Wholesale & retail | 2023 |
| Burton Motors (North West) Limited | Wholesale & retail | 2011 |
| Bury Football Foundation | Arts & recreation | 2007 |
| Bury Refrigeration Limited | Manufacturing | 2006 |
| Bury Road 1971 Limited | Extraterritorial | 2014 |
| Bury Vehicle Solutions Ltd | Wholesale & retail | 2024 |
| Businesscloud Publishing Limited | Information & communication | 2021 |
| Busybee Global Services Ltd | Transport & logistics | 2023 |
| Busybee Properties Concept Ltd | Real estate | 2026 |
| Butchers Arms Norden Ltd | Hospitality | 2025 |
| BY Lola Sophia & Co Ltd | Manufacturing | 2025 |
| Bydservices Ltd | Wholesale & retail | 2024 |
| Byrne Bright CIC | Hospitality | 2025 |
| Byrne the Books Ltd | Professional & scientific | 2022 |
| Byrne Wealth Management Ltd | Financial services | 2025 |
| Byrne's Consultancy Limited | Information & communication | 2020 |
| Byron Grove (Bamford) Management Company Limited | Real estate | 2008 |
| Byrrus Apps Ltd | Information & communication | 2024 |
| BZ Aura Global Ltd | Wholesale & retail | 2026 |
| BZ Beauty Studio Ltd | Other services | 2025 |
| C & a Motors Limited | Administrative & support | 2008 |
| C & C Catering Limited | Hospitality | 2015 |