| Brook & Mayo Trustees Limited | Lincoln | 2016 |
| Brook 360 Holdings Ltd | Henfield | 2025 |
| Brook and Swing Limited | Maidenhead | 2020 |
| Brook Avenue Limited | Harrow | 2013 |
| Brook Beech Limited | Wantage | 2022 |
| Brook Bidco I Limited | Derry | 2021 |
| Brook Capital and Securities Ltd | Coventry | 2014 |
| Brook Capital Ltd | Coventry | 2013 |
| Brook Company Holdings Ltd | Harrogate | 2025 |
| Brook Consolidated Holding Limited | Great Burstead | 2026 |
| Brook Corporate Finance Holdings Limited | Kingston-Upon-Thames | 2001 |
| Brook Corporate Finance Limited | Kingston-Upon-Thames | 1992 |
| Brook Cottage Holdings Limited | Newcastle Upon Tyne | 2021 |
| Brook Decorations (Holdings) Limited | Hadlow | 2026 |
| Brook Developments (South West) Ltd | Bristol | 2017 |
| Brook Financial Advice Limited | Torquay | 1999 |
| Brook Financial Services Ltd | Bournemouth | 2010 |
| Brook Glen (Finance) Limited | London | 2020 |
| Brook Green Group Limited | London | 2022 |
| Brook Hall Limited | London | 1964 |
| Brook Holdco Limited | London | 2021 |
| Brook Holding Ltd | Peterborough | 2022 |
| Brook Holdings Bristol Limited | Bristol | 2026 |
| Brook Holdings Group Limited | Droitwich | 2016 |
| Brook House Partners Ltd | Smeeton Westerby | 2026 |
| Brook Independent Holdings Limited | Chichester | 2025 |
| Brook Investment Holdings Limited | London | 2021 |
| Brook Island Limited | Bolton | 2026 |
| Brook Lane Finance Co. Limited | Lindfield | 1975 |
| Brook Midas Limited | Exeter | 2020 |
| Brook Midco Limited | London | 2021 |
| Brook Mill Group Ltd | Swansea | 2023 |
| Brook Mortgages Ltd | Slough | 2025 |
| Brook Preventative Health Holdco Ltd | Harrow | 2026 |
| Brook Securities Ltd | Leeds | 2025 |
| Brook Street 1 Ltd | London | 2008 |
| Brook Street 2 Ltd | London | 2008 |
| Brook Street Advisory Limited | London | 2026 |
| Brook Taverner Holdings Limited | Keighley | 2024 |
| Brook Topco Limited | London | 2021 |
| Brook Ventures Ltd | Manchester | 2025 |
| Brook-Dobson Brear Limited | Leeds | 2006 |
| Brookband International Limited | Brighton | 2022 |
| Brookborough Limited | Derby | 2010 |
| Brookcap UK Limited | London | 2023 |
| Brookchase Limited | London | 1996 |
| Brookdale IFP Limited | Bromborough | 2012 |
| Brookdale Medico PVT Ltd | Manchester | 2023 |
| Brooke Capital Ltd | Altrincham | 2026 |
| Brooke Contractor Solutions Ltd | Middlesbrough | 2014 |
| Brooke Dexter Ventures Limited | Eastbourne | 2026 |
| Brooke Wind Energy Limited | Inverness | 2016 |
| Brookelle Ltd | Liverpool | 2025 |
| Brookend Holdings Limited | Worcester | 2026 |
| Brooker Group Limited | Croxton | 2023 |
| Brooker Holdings Limited | Leicester | 2021 |
| Brookes Architecture Holdings Ltd | London | 2017 |
| Brookes Associates Finance Limited | Crawley | 1978 |
| Brookes Financial Management Limited | Stockport | 1999 |
| Brookes Goodwin Limited | London | 2015 |
| Brookes Holdings & Investments Ltd | Dudley | 2020 |
| Brookes Parker Ltd | Walkington | 2011 |
| Brookes Private Credit Limited | Henley-On-Thames | 2025 |
| Brookes Tarpaulins Holdings Limited | Colwyn Bay | 2023 |
| Brookfield Asset Manager (UK) Holdco Limited | London | 2022 |
| Brookfield BBP UK Holdings II Limited | London | 2016 |
| Brookfield BBP UK Holdings III Limited | London | 2016 |
| Brookfield Credit Partners Limited | London | 2018 |
| Brookfield Finance I (UK) PLC | London | 2020 |
| Brookfield Financial Planning Ltd | Altrincham | 2001 |
| Brookfield Global Corporate Investments Limited | London | 2013 |
| Brookfield Global Investments Ltd | London | 2025 |
| Brookfield Global Subinvestments II Limited | London | 2016 |
| Brookfield Global Subinvestments Limited | London | 2013 |
| Brookfield Investments (NO.1) Ltd | Dewsbury | 2020 |
| Brookfield Mhbf Renewable Holdings Limited | London | 2026 |
| Brookfield Mhbf Renewable Midco Limited | London | 2026 |
| Brookfield Mhbf Renewable Opportunityco Limited | London | 2026 |
| Brookfield Mhbf Renewable Serviceco Limited | London | 2026 |
| Brookfield Mhbf Renewable Topco Limited | London | 2026 |
| Brookfield Partners Limited | Manchester | 2025 |
| Brookfield Private Capital (UK) Limited | London | 2006 |
| Brookfield Property Group Limited | London | 2015 |
| Brookfield Renewable Europe Services Limited | London | 2014 |
| Brookfield Renewable European Development Limited | London | 2021 |
| Brookfield Services Holdings Ltd | Derby | 2023 |
| Brookfield Slate Holdings II Limited | London | 2021 |
| Brookfield Slate Holdings III Limited | London | 2021 |
| Brookfield Slate Holdings Limited | London | 2022 |
| Brookfield Trading Ltd | Elland | 2024 |
| Brookfield Wilman Ltd | Bognor Regis | 2011 |
| Brookfield Young Financial Services Ltd | Highworth | 2014 |
| Brookglade Holdings Limited | Brightlingsea | 2021 |
| Brookheights Holdings Ltd | London | 2025 |
| Brookhouse Financial Limited | Blandford Forum | 2014 |
| Brookhouse Mortgages Ltd | Sutton Coldfield | 2018 |
| Brookhouse Properties Limited | Sale | 1996 |
| Brookhouse Property Holdings Limited | Sale | 2001 |
| Brookhurst Capital Limited | Bishop'S Stortford | 2018 |
| Brookhurst Risk Solutions Limited | Sevenoaks | 2020 |