| Brundle Topco Limited | London | 2022 |
| Brunel Accountancy Group Ltd | Taunton | 2019 |
| Brunel Asset Finance Ltd | Bristol | 2007 |
| Brunel Bridging Limited | Portbury | 2022 |
| Brunel Employee Benefits Limited | Bristol | 1991 |
| Brunel Group Holding Company Limited | Milton Keynes | 2024 |
| Brunel Group Limited | Portbury | 2022 |
| Brunel Holdings SW Ltd | Saltash | 2021 |
| Brunel Independent Financial Planners Limited | Bristol | 2014 |
| Brunel Insurance Brokers Ltd | Bristol | 2010 |
| Brunel Insurance for People Limited | Bristol | 2011 |
| Brunel Insurance Services Limited | Bexley | 1999 |
| Brunel Newco Limited | Hull | 2025 |
| Brunel Pension Partnership Limited | Bristol | 2016 |
| Brunel PI Brokers Ltd | Bristol | 2023 |
| Brunel University Enterprises Limited | Uxbridge | 2001 |
| Brunel Wealth Limited | Bristol | 2019 |
| Brunel Wind Limited | Bristol | 2006 |
| Bruneval Holdings Ltd | Manchester | 2013 |
| Brunnen Limited | London | 2015 |
| Brunner (UK) Holdings Limited | London | 2007 |
| Brunner Investment Trust Plc(The) | London | 1927 |
| Brunner SPV 1 Limited | London | 2023 |
| Brunner SPV 2 Limited | London | 2023 |
| Bruno Generators UK Ltd | Hailsham | 2012 |
| Bruno Hertize Management Limited | London | 2026 |
| Bruno Lange Organisation & Service Limited | London | 2010 |
| Bruno Property Limited | Coulsdon | 2025 |
| Brunsdon Asset Management Limited | Gloucester | 2009 |
| Brunsdon Employee Benefits Limited | Gloucester | 2017 |
| Brunsdon Estate Planning Limited | Coleford | 2022 |
| Brunsdon Financial Services Limited | Nottingham | 1997 |
| Brunswick 20-20 Limited | Ilford | 2021 |
| Brunswick Finance Ltd | Halebank | 2013 |
| Brunswick Homeloans Limited | Gloucester | 2005 |
| Brunswick International Associates Limited | London | 2004 |
| Brunswick Investment Management Limited | Henley-On-Thames | 2013 |
| Brunswick IT Limited | Edinburgh | 2018 |
| Brunswick Services Limited | Solihull | 2019 |
| Brunswick Shipping (North West) Limited | Wigan | 2012 |
| Brunswick Underwriting Limited | London | 1998 |
| Brunswickove Limited | London | 1963 |
| Brunt Financial Planning Ltd | Lancing | 2019 |
| Brunt Group Holdings Limited | London | 2018 |
| Brunt Hill Holdings Limited | Edinburgh | 2022 |
| Brunt Investments Ltd | Wigan | 2024 |
| Bruntwood Bury Holdings Limited | Manchester | 2022 |
| Bruntwood Development Holdings Limited | Manchester | 2014 |
| Bruntwood Holdings Limited | Ramsgate | 2024 |
| Bruntwood Kirk Hill Holdings Limited | Manchester | 2022 |
| Brupac Limited | Crewe | 2022 |
| Brush Group Bidco Limited | Leicestershire | 2025 |
| Brush Group Limited | Loughborough | 2022 |
| Brush Group Midco 2 Limited | Leicestershire | 2025 |
| Brush Group Midco 3 Limited | Leicestershire | 2025 |
| Brush Group Midco 4 Limited | Leicestershire | 2025 |
| Brush Holdco 1 Ltd | Ashby-De-La-Zouch | 2021 |
| Brush Power Distribution Limited | Loughborough | 2022 |
| Brush Power Networks Limited | Leicestershire | 2022 |
| Brush Scheme Trustees Limited | Ashby-De-La-Zouch | 2013 |
| Brush UK Holdco II Limited | London | 2025 |
| Brush UK Holdco Ltd | Ashby-De-La-Zouch | 2021 |
| Brush UTG Limited | London | 2015 |
| Brushbaby International Holdings Limited | Alresford | 2021 |
| Brushstrokes Group Limited | Wolverhampton | 2021 |
| Brushware Holdings Limited | Birmingham | 2020 |
| Bruson Assets Ltd | Bristol | 2026 |
| Bruson Capital Management Ltd | Bristol | 2026 |
| Brusselstown Limited | Thame | 2011 |
| Brut Holdings Ltd | 1-3 Brixton Road | 2022 |
| Bruth Holdings Limited | Stirling | 2026 |
| Bruton 2023 Limited | London | 2023 |
| Bruton Street Advisors Ltd | London | 2010 |
| Bruumi Ltd | Birmingham | 2023 |
| Bruvvas Holding Ltd | Washington | 2023 |
| BRW Brokers Holdings Limited | London | 2010 |
| BRW Brokers Limited | London | 2010 |
| BRW Group Holdings Ltd | London | 2024 |
| BRW Holdings Ltd | Braunton | 2021 |
| Bryan Freeman Mortgage Services Ltd | King'S Lynn | 2021 |
| Bryan Group Ltd | Bristol | 2021 |
| Bryan James & Co Ltd | Southall | 1983 |
| Bryan Lloyd FDS Limited | London | 2021 |
| Bryan Lloyd Invest Co Limited | London | 2023 |
| Bryan Lloyd Limited | London | 2013 |
| Bryan Management Limited | Stourbridge | 2020 |
| Bryan Property Lettings and Management Ltd | Poole | 2023 |
| Bryanston Brown Group Ltd | High Wycombe | 2026 |
| Bryanston Holdings Limited | London | 2023 |
| Bryanston Insurance Company Limited | | 1978 |
| Bryanston Mansions Trustees Limited | London | 2010 |
| Bryanston Partners Gold Limited | Surbiton | 2025 |
| Bryanstone SPV Limited | Bournemouth | 2026 |
| Bryant Associates Wealth Management Limited | Bristol | 2022 |
| Bryant Hall Todd Wealth Management Limited | Maidenhead | 2020 |
| Bryant O'Neill Wealth Management Limited | Colchester | 2014 |
| Bryant Plant Limited | Sidcup | 2015 |
| Bryants Nurseries Holdings Limited | Hemel Hempstead | 2014 |
| Brybird Holdings Ltd | Snetterton | 2026 |
| Bryburn Holdings Limited | Portsmouth | 2021 |