| Brooke House Publishing Limited | Birmingham | 1990 |
| Brooke House Search & Select Ltd. | Birmingham | 2002 |
| Brooke Lawson Limited | Harrogate | 2021 |
| Brooke Management Limited | Birmingham | 2010 |
| Brookefield Associates Limited | Ashtead | 2016 |
| Brookes & Gatehouse Limited | Southampton | 2024 |
| Brookes Farm Surrey Limited | Crawley | 2025 |
| Brookes Holdings Limited | Nottingham | 2020 |
| Brookfield Avenue 1957 Limited | Oldham | 2015 |
| Brookfield Digital Ltd | Towcester | 2017 |
| Brookfield Property Partners (UK) Limited | London | 2013 |
| Brookfield Strategic Real Estate Partners II Limited | London | 2015 |
| Brookfields Consultancy Limited | Wimbledon | 2022 |
| Brookhay Limited | Tarporley | 2014 |
| Brookhill Drive 1965 Limited | Leeds | 2014 |
| Brookhouse Training and Consultancy Ltd | Spalding | 2021 |
| Brooki Limited | Ipswich | 1999 |
| Brooklands Aviation Limited | Wellingborough | 1973 |
| Brooklands Healthcare (Altnagelvin) Limited | Magherafelt | 2012 |
| Brooklands Machining & Fabrications Limited | Wellingborough | 1928 |
| Brooklands Road 1960 Limited | Hull | 2014 |
| Brooklands Technology Limited | Richmond | 2021 |
| Brooklea Meadows Management Company Limited | Liverpool | 2010 |
| Brooklyn Craft Ltd | Birmingham | 2018 |
| Brooklynn Leisure Limited | Stalybridge | 2013 |
| Brookman Homes Limited | Bembridge | 1985 |
| Brookmews Limited | London | 2024 |
| Brooks & Davies Group Ltd | Banbury | 2016 |
| Brooks FD Limited | Lytham St. Annes | 2021 |
| Brooks Global Group Ltd | Lytham St. Annes | 2021 |
| Brooks HR Limited | St. Helens | 2024 |
| Brooks Laundry Management Company Limited | London | 2020 |
| Brooks Products Ltd | Blackburn | 2025 |
| Brooks UK Group Ltd | Lytham St. Annes | 2021 |
| Brookside (1998) Limited | Gateshead | 2001 |
| Brookside Close Management Company Limited | Plymouth | 1986 |
| Brookside Industrial Park Ltd | Salford | 2000 |
| Brookstore Limited | London | 2003 |
| Brookthorpe Park Management Company Limited | New Milton | 2022 |
| Brookvale 1965 Limited | Ballymena | 2013 |
| Brookwall Limited | Marlborough | 2012 |
| Broom Boat Sales Limited | Norwich | 2024 |
| Broom Boats Limited | Norwich | 2024 |
| Broom Holidays Limited | Norwich | 2024 |
| Broom Life Ltd | Norwich | 2023 |
| Broom Marine Group Limited | Norwich | 2024 |
| Broomco (1850) Limited | Sheffield | 1999 |
| Broomco (3019) Limited | Rotherham | 2002 |
| Broomco (3135) Limited | Manchester | 2003 |
| Broomco (3385) Limited | York | 2003 |
| Broomfields Legal Services Limited | Lutterworth | 2015 |
| Broomhill Conservatories Limited | Lymington | 2001 |
| Brosco Limited | Northwich | 2015 |
| Broseley & District Funeral Services Limited | Telford | 2012 |
| Broseley Festival CIC | Broseley | 2019 |
| Brosil Investments Limited | Elsworth | 1937 |
| Brosmart Ltd | Edinburgh | 2025 |
| Brosmy Management Ltd | Borehamwood | 2012 |
| Broster Estates Ltd | Wigan | 2021 |
| Brosters Haulage Ltd | Wigan | 2017 |
| Brotex Limited | Bury | 2020 |
| Brother Industrial Holdings Ltd | Beckenham | 2014 |
| Brother Venturez Ltd | Whitburn | 2026 |
| Brotherhood of the Cross and Star(The) Limited | London | 1976 |
| Brothers (London) Limited | Ilford | 2013 |
| Brothers Chiaroscuro Ltd | Bristol | 2023 |
| Brothers Grimm Ltd | Bromley | 2025 |
| Brotherson Media Limited | London | 2013 |
| Brough Hall Property Management Ltd | Belfast | 2003 |
| Brough Superior Limited | London | 2016 |
| Broughs Butchers (KEW) Limited | Southport | 2008 |
| Broughton (Thermal Insulation) Limited | Ipswich | 1983 |
| Broughton Brothers Ltd | Loughborough | 1993 |
| Broughton Developments (Liverpool) Ltd | Liverpool | 2015 |
| Broughton Green Properties Limited | Droitwich | 2020 |
| Broughton Group Holdings Limited | Skipton | 2002 |
| Broughton Lubricants Limited | Warrington | 2020 |
| Broughton Printers Limited | London | 1973 |
| Broughton Shoe Limited | Loughborough | 2018 |
| Broughton Stability Services Limited | Skipton | 2010 |
| Broughton Storage & Transport Ltd | Sittingbourne | 2025 |
| Broughton Trustees 1 Limited | Skipton | 2017 |
| Broughton Trustees 2 Limited | Skipton | 2017 |
| Brow Packaging Limited | | 2006 |
| Browan Holding Ltd | London | 2016 |
| Brown & MAY Limited | Eye | 2022 |
| Brown and Bentley Ltd | Bristol | 2013 |
| Brown Bear Holdings Ltd | London | 2024 |
| Brown Bear Sand Ltd | London | 2024 |
| Brown Box Limited | Kingston Upon Thames | 2019 |
| Brown Brothers & Company, Limited | Inchinnan | 1901 |
| Brown Davies Limited | Cwmbran | 2018 |
| Brown Loop Limited | Littlehampton | 2021 |
| Brown Pelican Investments Limited | Birmingham | 2015 |
| Brown's Pet Range Limited | Brentwood | 2012 |
| Brown-Rutter(Dudley) Limited | Dudley | 2014 |
| Brownfield Asset Developments Limited | Shropham | 2003 |
| Brownhill Garth 1969 Limited | Batley | 2015 |
| Brownhill Hayward Brown Holdings Limited | Lichfield | 2014 |
| Brownieworld Limited | Birmingham | 2021 |