| Brook Croft Limited | London | 2025 |
| Brook Forge Farriers Limited | Ivybridge | 2018 |
| Brook Garden Limited | Manchester | 2024 |
| Brook Green Energy UK Limited | London | 2017 |
| Brook House Barn Management Limited | Doncaster | 2025 |
| Brook House Cattery Ltd | King'S Lynn | 2026 |
| Brook House Clinic Ltd | Wokingham | 2014 |
| Brook House Country Club (Hampshire) Limited | Southampton | 1968 |
| Brook House PH Limited | Moulton Seas End | 2018 |
| Brook House Property Management Limited | Worthing | 2008 |
| Brook Lane (Wirral) Limited | Birkenhead | 2019 |
| Brook Lane Community Church | Kent | 2008 |
| Brook Park (Clacton) Management Company Limited | Clacton-On-Sea | 2002 |
| Brook Park Farm Cattery Ltd | Mold | 2019 |
| Brook Physiotherapy Limited | Romford | 2002 |
| Brook Start Limited | London | 2026 |
| Brook Street Holdings Limited | Witney | 2019 |
| Brook Style Limited | London | 2025 |
| Brook Systems Limited | Hull | 2023 |
| Brook Trading Limited | London | 2025 |
| Brook Working Dogs Limited | Alfreton | 2017 |
| Brook World Limited | London | 2026 |
| Brookbeach Solutions Limited | London | 2025 |
| Brookbond Bilisim Danismanlik Limited | Hounslow | 2018 |
| Brookbond International Limited | London | 2026 |
| Brookbond Services Limited | London | 2025 |
| Brookbond Trading Limited | London | 2025 |
| Brookborne Limited | London | 2017 |
| Brookcare Corporation Limited | London | 2026 |
| Brookcity Services Limited | London | 2025 |
| Brookcloud Limited | London | 2018 |
| Brookcourt Trading Limited | London | 2025 |
| Brookdale Club Limited | Bramhall, | 1944 |
| Brookdale Club(Catford)Limited(The) | Sevenoaks | 1919 |
| Brookdean Limited | Ware | 2025 |
| Brookdene Holdings Ltd | Watford | 2020 |
| Brooke & Rosemary Ltd | London | 2020 |
| Brooke Associates Limited | London | 2017 |
| Brooke Beauty Limited | Stoke-On-Trent | 2022 |
| Brooke Benson Ltd | London | 2019 |
| Brooke Bohan Limited | Hitchin | 2024 |
| Brooke Copp-Barton Interiors Ltd | London | 2013 |
| Brooke Estate Management Ltd | Monmouth | 2012 |
| Brooke Hairdressing Ltd | Strabane | 2012 |
| Brooke Health and Beauty Limited | Manchester | 2008 |
| Brooke Mews Management Company Limited | Warwick | 2003 |
| Brooke Paris Beauty Ltd | London | 2019 |
| Brooke Park Management Company Limited | Huddersfield | 2003 |
| Brooke Tait Hair Ltd | Edinburgh | 2018 |
| Brooke's Beauty & Spa Limited | Cambridge | 2019 |
| Brooke-Jones Therapies Ltd | Leyland | 2021 |
| Brookebailey Limited | Hornchurch | 2017 |
| Brookebourne Limited | London | 2025 |
| Brookecroft Limited | London | 2026 |
| Brooker's Hair Studio Ltd | Slough | 2023 |
| Brookes Automotive Services Limited | Bedford | 2026 |
| Brookes Hair & Beauty Limited | Stroud | 2006 |
| Brookes Hair Clinic Ltd | Maidstone | 2024 |
| Brookeside Limited | London | 2023 |
| Brookestand Limited | Solihull | 2024 |
| Brookestart Limited | London | 2024 |
| Brookfield Aviation International Limited | Surrey | 1995 |
| Brookfield Consultancy London Ltd | Camden Town | 2019 |
| Brookfield Court Management Company Limited | Leeds | 1988 |
| Brookfield Cuts Ltd | Preston | 2026 |
| Brookfield Estate Maintenance Ltd | Shepshed | 2018 |
| Brookfield Global Business Advisor Limited | London | 2015 |
| Brookfield Global Infrastructure Advisor Limited | London | 2002 |
| Brookfield Global Property Advisor Limited | London | 2013 |
| Brookfield Global Renewable Energy Advisor Limited | London | 2013 |
| Brookfield Storage Limited | Bognor Regis | 2018 |
| Brookfields Global Ltd | Syresham | 2022 |
| Brookfields Luxury Boarding Limited | Lichfield | 2017 |
| Brookguard Limited | Manchester | 2024 |
| Brookhouse Caravan Storage Ltd | St. Asaph | 2021 |
| Brookhouse Development Group (Blackburn) CIC | Blackburn | 2015 |
| Brookhouse Farmhouse Doggy Day Care Ltd | Bootle | 2023 |
| Brooking Associates Ltd | Harrow | 2003 |
| Brooklands Barbers Ltd | Newport Pagnell | 2023 |
| Brooklands Events & Marquees Ltd | Exeter | 2015 |
| Brooklands Gospel Centre Trust | Dundonald | 2026 |
| Brooklands Hospitality Limited | London | 2010 |
| Brooklands House Freehold Company Limited | London | 2003 |
| Brooklands Racing Ltd | Farnborough | 2013 |
| Brooklands Tangled Ltd | Fareham | 2026 |
| Brooklea Limited | Bedford | 2016 |
| Brooklee Limited | London | 2016 |
| Brookleigh Associates Limited | Manchester | 2024 |
| Brookleigh International Limited | London | 2026 |
| Brookleigh Limited | Bristol | 2021 |
| Brookley Corporation Limited | Manchester | 2024 |
| Brookley Limited | Tarporley | 2019 |
| Brookley Solutions Limited | London | 2026 |
| Brookline Lansdowne Ltd | Sheffield | 2016 |
| Brooklyn Artists Ltd | Edinburgh | 2025 |
| Brooklyn Ellis Limited | Birmingham | 2015 |
| Brooklyn Greenspa Limited | Ashford | 2015 |
| Brooklyn House of Beauty Limited | Pontefract | 2003 |
| Brooklyn International Ltd | London | 2026 |
| Brooklyn Pink Limited | Ashford | 2015 |