| Broad Down Developments Ltd | Construction | 2022 |
| Broad MAN Properties Ltd | Real estate | 2018 |
| Broad MAN Trading Ltd | Wholesale & retail | 2021 |
| Broad Valley Livery Stables Ltd | Agriculture & fishing | 2026 |
| Broad Valley Tech Ltd | Information & communication | 2024 |
| Broad View Riding School Limited | Arts & recreation | 2014 |
| Broadband Genius Limited | Administrative & support | 2024 |
| Broadbird Ltd | Wholesale & retail | 2024 |
| Broadcast Media Services Limited | Administrative & support | 2000 |
| Broadgate House Lettings Limited | Real estate | 2023 |
| Broadgate House Limited | Construction | 2020 |
| Broadgate Launderette Limited | Other services | 2017 |
| Broadgate Residence Limited | Households | 2025 |
| Broadlands Residential Care Home Ltd | Health & social care | 2018 |
| Broadley Lettings Ltd | Real estate | 2019 |
| Broadley Project Management Ltd | Professional & scientific | 2021 |
| Broadley's Housing Investments Limited | Real estate | 2025 |
| Broadmarsh Property Ltd | Real estate | 2021 |
| Broadmeadows Marketing Ltd | Hospitality | 1997 |
| Broadoak Construction Services Limited | Construction | 2021 |
| Broadstone Associates Limited | Agriculture & fishing | 1987 |
| Broadway Financial Planning Ltd | Extraterritorial | 1994 |
| Broadway Restaurant Ltd | Hospitality | 2012 |
| Broccoli Limited | Administrative & support | 2007 |
| Brocklehurst & Williams Healthcare Limited | Health & social care | 2005 |
| Brod Rail Limited | Construction | 2011 |
| Broda Transport Ltd | Transport & logistics | 2019 |
| Brodie Ward Limited | Construction | 2026 |
| Brodsworth Developments Limited | Real estate | 2017 |
| Brokbridge Ltd. | Wholesale & retail | 2018 |
| Broker Commonwealth Limited | Financial services | 2021 |
| Broker FEE Services Limited | Information & communication | 2025 |
| Bromac Real Estate Ltd | Real estate | 2025 |
| Bromac Thermal Ltd | Construction | 2020 |
| Bromhead Property Development Ltd | Real estate | 2017 |
| Bromley Investments Holdings Limited | Real estate | 2021 |
| Bromley-Hall Ltd | Wholesale & retail | 2026 |
| Bromont Ltd | Real estate | 2017 |
| Brompton House Cakes Limited | Wholesale & retail | 2021 |
| Bromshold Ltd | Real estate | 2020 |
| Bronze 4 Ltd | Wholesale & retail | 2025 |
| Bronze and Beauty Limited | Other services | 2010 |
| Brook Cottages Development Limited | Real estate | 2023 |
| Brook House (Kidderminster) Limited | Real estate | 2006 |
| Brook LEA Nurseries Limited | Agriculture & fishing | 2006 |
| Brookair (Nottm) Limited | Construction | 1998 |
| Brooke Healthcare Ltd | Health & social care | 2017 |
| Brooke Housing Ltd | Real estate | 2026 |
| Brookes Handy Women Limited | Construction | 2025 |
| Brookes Holdings Limited | Extraterritorial | 2020 |
| Brookes Investments Limited | Real estate | 1975 |
| Brookes Paranormal Events Ltd | Arts & recreation | 2025 |
| Brookhill Express Ltd | Wholesale & retail | 2025 |
| Brookhill Landscapes Limited | Administrative & support | 1981 |
| Brooklands Assets Ltd | Real estate | 2022 |
| Brooklands Avenue Management Limited | Households | 2017 |
| Brooklands Corporation Limited | Administrative & support | 2016 |
| Brooklands Silver Company Ltd | Wholesale & retail | 2021 |
| Brookline Limited | Financial services | 2016 |
| Brooklyn Care Homes Limited | Health & social care | 2008 |
| Brooklyn CP Limited | Real estate | 2016 |
| Brooklyn WS Limited | Real estate | 2016 |
| Brookmoore Holdings Limited | Financial services | 2026 |
| Brookmoore Productions Ltd | Information & communication | 2017 |
| Brooks Construction Services Ltd | Construction | 2021 |
| Brooks Fire Protection Ltd | Public administration | 2022 |
| Brooks Mayfield Audit Limited | Professional & scientific | 2010 |
| Brooks Mayfield Limited | Professional & scientific | 2016 |
| Brooks Travel Ltd | Administrative & support | 2014 |
| Brookshaw Automotive Services Ltd | Wholesale & retail | 2016 |
| Brookside Empire Group Ltd | Real estate | 2021 |
| Brookside Repair Centre Ltd | Wholesale & retail | 2026 |
| Brookspeare Music Ltd | Information & communication | 2019 |
| Brookview Property Services Limited | Real estate | 2018 |
| Brookwood Installations Limited | Construction | 2011 |
| Broomfield Property Services Limited | Real estate | 2004 |
| Broomhill Properties (Nottm) Limited | Real estate | 2003 |
| Broomvale Developments Limited | Real estate | 2008 |
| Brooq Limited | Wholesale & retail | 2021 |
| Brot Transport Limited | Transport & logistics | 2018 |
| Brother Holdings Ltd | Hospitality | 2024 |
| Brothers Coffee & Vending Ltd | Wholesale & retail | 2017 |
| Brothers Medical 2 Limited | Health & social care | 2016 |
| Brough Property Group Limited | Real estate | 2021 |
| Broughton & Co (Midlands) Limited | Construction | 2022 |
| Broughton & Family (Midlands) Limited | Construction | 2022 |
| Broughton Astley Golf & Leisure Limited | Real estate | 1999 |
| Broughton Contracting & Utility Services Limited | Construction | 2013 |
| Broughton Road (Croft) Ltd | Households | 2018 |
| Brow INK Ltd | Other services | 2025 |
| Brown Building & Landscapes Ltd | Administrative & support | 2018 |
| Brown Dog Creative Ltd | Information & communication | 2005 |
| Brown Mill Properties Ltd | Construction | 2024 |
| Brown's Automotive Services Ltd | Professional & scientific | 2025 |
| Brown's Professional Decorators and Maintenance Limited | Construction | 2018 |
| Brownberry Property Limited | Real estate | 2026 |
| Browne Consultancy (UK) Limited | Administrative & support | 2010 |
| Browne Jacobson LLP | | 2003 |
| Browns Touch Ltd. | Other services | 2025 |
| Brownson Property Lets Ltd | Real estate | 2025 |