| Brooklands Academy Trust | Leighton Buzzard | 2011 |
| Brooklands Childcare (NW) Limited | Altrincham | 2025 |
| Brooklands Childcare Ltd. | Altrincham | 2004 |
| Brooklands Driving Experiences Limited | Birmingham | 2004 |
| Brooklands Driving Ltd | Andover | 2019 |
| Brooklands Enterprises Limited | Weybridge | 1993 |
| Brooklyn Pre-School Playgroup Limited | Malton | 2009 |
| Brooks & Kirk Limited | Boston | 2011 |
| Brooks and Kirk (Assessor Training) Limited | Boston | 2015 |
| Brooks Equestrian Academy Limited | Leicester | 2022 |
| Brooks Holmes Ltd | Herts | 2007 |
| Brooks International Academy Ltd | London | 2025 |
| Brooks Learning Strategies Ltd | Middlesbrough | 2013 |
| Brooks Resource Academy Limited | London | 2023 |
| Brooks Safety Training and Consultancy Ltd | Huddersfield | 2015 |
| Brooks Swim School Ltd | Hitchin | 2019 |
| Brooks-Neill Ltd | London | 2024 |
| Brookside Community Primary School Academy Trust | Street | 2011 |
| Brookside Drive Limited | Manchester | 2016 |
| Brookside Kidz Club | Great Sutton | 2006 |
| Brookside Rural Park Foundation Limited | Cranleigh | 2009 |
| Brookvale Groby Learning Trust | Leicester | 2012 |
| Brookvex Academy Limited | Wimbledon | 2010 |
| Brookwood College Limited | London | 2016 |
| Brookwood Education Consultancy Limited | London | 2019 |
| Brookwood Outdoors Education CIC | Durham | 2017 |
| Brooky’S Driving School Ltd | Spalding | 2022 |
| Broomfield Athletics Ltd | Rayleigh | 2020 |
| Broomfield House School Limited | London | 1999 |
| Broomfields Youth Project | Warrington | 2012 |
| Broomhall Under 3S Limited | Sheffield | 2014 |
| Broomhill FC Limited | Glasgow | 2016 |
| Broomwood Hall School Limited | London | 2003 |
| Bros Trade Ltd | London | 2022 |
| Brothers-N-Law Limited | Watford | 2025 |
| Brough Eagles Ltd | Melton | 2014 |
| Broughshane Playgroup Limited | Ballymena | 2000 |
| Broughton Education Consulting Limited | Hockley | 2017 |
| Broughton House Daycare Ltd | Berkhamsted | 2018 |
| Broughton Jewish Cassel FOX | Salford | 2012 |
| Broughton Manor Prep School Ltd | London | 2020 |
| Broughton Pre-School (Preston) | Preston | 2003 |
| Broughton Swim School Limited | Swindon | 2019 |
| Broussa Day Nursery Limited | Altrincham | 2015 |
| Brovbro Football Academy Ltd | Pinner | 2022 |
| Brow Boutique & Training Academy Ltd | Paignton | 2022 |
| Brow Extensions London Limited | West Drayton | 2024 |
| Brow HQ Academy Limited | Tarporley | 2021 |
| Brow Mentoring Limited | Newmarket | 2025 |
| Brown & ASH Services Ltd | Birmingham | 2014 |
| Brown and Beyond Ltd | Liverpool | 2026 |
| Brown Bear Childcare Nursery & Preschool Ltd | Stockport | 2019 |
| Brown Bears Nursery Limited | London | 2013 |
| Brown Consultancy Limited | Carlisle | 2025 |
| Brown Girl in a Bottle CIC | Leicester | 2025 |
| Brown Girl Money Ltd | London | 2021 |
| Brownberrie Lane Childcare & Education Ltd | Leeds | 2010 |
| Brownbread Group Limited | London | 2016 |
| Brownhill Playgroup Limited | Blackburn | 2009 |
| Brownhills Community Association Limited | Walsall | 1996 |
| Brownhills Welfare and Education Centre Limited | Walsall | 2024 |
| Browning's ZOO and Therapeutic Centre | Mayland | 2019 |
| Brownlee Schools Limited | Livingston | 2019 |
| Brownlow Stem Tutoring Ltd | Hove | 2024 |
| Browns Childcare Ltd | South Shields | 2026 |
| Browntuition Ltd | London | 2023 |
| Brows & Beauty Cheshire Ltd | Crewe | 2022 |
| Broxbourne Cruising Club Limited | Broxbourne | 2003 |
| BRS Coaching Academy Limited | Wimborne | 2016 |
| BRS Education Limited | Newmarket | 2014 |
| BRT4CBT Ltd | Coventry | 2005 |
| Bruce Main-Smith and Company Limited | Solihull | 2013 |
| Bruce Mphepo Impact Coaching and Consulting Ltd | Rushden | 2024 |
| Bruce Music Limited | London | 2021 |
| Bruern Abbey Junior School Limited | London | 2008 |
| Bruern Abbey School for Girls Limited | London | 2018 |
| Bruern Abbey School Limited | London | 1998 |
| Bruern Abbey Senior School Limited | London | 2021 |
| Brum Driving School Ltd | Birmingham | 2017 |
| Brumisthenics CIC | Birmingam | 2025 |
| Brumyodo Community Interest Company | Birmingham | 2018 |
| Brunel Academies Trust | Swindon | 2016 |
| Brunel Driving School Limited | Greenford | 2022 |
| Brunel Education | Swindon | 2019 |
| Bruno Physical Rehabilitation Community CIC | Ipswich | 2025 |
| Bruno's International Language School Ltd | London | 2015 |
| Brunson Education Group Ltd | London | 2021 |
| Brunton Nursery Limited | Burntwood | 2010 |
| Brush and Smile Club CIC | Bristol | 2025 |
| Brushpast Limited | Twickenham | 2025 |
| Brushstroke Academy Limited | Thames Ditton | 2024 |
| Brushstrokes Courses Ltd | Bristol | 2024 |
| Bruspace Ltd | Nottingham | 2017 |
| Brutal Muscle Ltd | Bushey | 2018 |
| Bruton School for Girls | Bruton | 2000 |
| Bryanston School | Dorset | 1927 |
| Bryanston Square (Services) Limited | London | 2011 |
| Bryanston Square Consulting Ltd | London | 2006 |
| Bryanston Square Edventure Limited | London | 2011 |
| Bryanston Square Foundation | London | 2010 |