| Bookham Grove Management Company Limited | Dorking | 1984 |
| Bookham Old Hotel Ltd | Dorking | 2025 |
| Bookmans Yard Management Company Limited | Harlow | 2001 |
| Booley Residents Ltd | Shrewbury | 2015 |
| Boomheath Limited | Bourne End | 1982 |
| Boomprompt Limited | Derby | 1988 |
| Boomtill Limited | Hove | 1998 |
| Boonslaw Limited | Cheltenham | 1976 |
| Boorley Gardens Residents Management Company Limited | Derby | 2022 |
| Boorley Green (Southampton) Management Company Limited | Southend On Sea | 2016 |
| Booster Properties Investment Limited | Birmingham | 2021 |
| Booth and Ferguson Holdings Ltd | Chesterfield | 2019 |
| Booth BED Barns Management Company Limited | Altrincham | 2016 |
| Booth Court (Bristol) Management Limited | Croydon | 2008 |
| Booth Residential Services Limited | Sowerby Bridge | 2024 |
| Bootham Apartments Management Company Limited | York | 2004 |
| Bootham Crescent Management Company Limited | York | 1993 |
| Bootham Green (York) Management Company Limited | York | 2013 |
| Bootham House Management Company Limited | York | 2020 |
| Bootham Place (Management Company) Limited | Leeds | 2002 |
| Bootham ROW Apartments Management Company Limited | York | 2020 |
| Bootham Terrace Management Company Limited | Leeds | 2019 |
| Boothroyd House Ltd | Sale | 2024 |
| Boothroyd Management Limited | New Milton | 2001 |
| Booths Court Limited | Rayleigh | 1998 |
| Booths Farm Residents Management Company Limited | Shrewsbury | 2013 |
| Boothway Properties Limited | London | 1990 |
| Boo’S Properties Ltd | Halifax | 2025 |
| Bora Health Limited | Liverpool | 2013 |
| Boran Maintenance Limited | Peacehaven | 2023 |
| Borbrook Limited | Sunbury On Thames | 1995 |
| Bordean Manor Management Company Limited | Petersfield | 1997 |
| Bordeaux (Management) Limited | Poole | 2022 |
| Borden Court London Road Liverpool RTM Company Limited | Liverpool | 2024 |
| Borden Court RTM Company Limited | Liverpool | 2022 |
| Border Lodge Management Limited | Croydon | 1985 |
| Borderknot Limited | Cardiff | 1979 |
| Borders Park Raunds Management Company Limited | Salisbury | 2015 |
| Bordesley Manor Management Company Limited | Warrington | 2026 |
| Bordon (ST Lucia Park) Residents Company Limited | Peterborough | 2019 |
| Bordon Phase 3 Management Company Limited | Salisbury | 2024 |
| Bordon Phase 4 (Vistry Group) Estate Management Limited | Hemel Hempstead | 2025 |
| Bordon Residents Company Limited | Peterborough | 2002 |
| Borea Court Management Company Limited | Cornwall | 1989 |
| Boreham Holt Management Limited | Borehamwood | 1965 |
| Boreham Management Company Limited | Clacton-On-Sea | 1998 |
| Boreham Mead (Facilities Management) Limited | Salisbury | 2021 |
| Borehamwood Enterprise Centre Management Limited | Borehamwood | 1997 |
| Borelight Limited | Cornwall | 1984 |
| Borelli Mews Management Company Limited | Farnham | 1988 |
| Bores Meadow Management Company Limited | Wigan | 2016 |
| Borisovcomehouse Limited | Wolverhampton | 2025 |
| Borkwood Park Management Limited | Orpington | 1966 |
| Borland House Management Limited | Fareham | 2003 |
| Borland SE15 Residents Company Limited | London | 2003 |
| Borlase Gardens Management Company Limited | Croydon | 2007 |
| Borley Court Management Company Limited | Chelmsford | 1992 |
| Bornglobe Systems Limited | Stamford | 1988 |
| Bornrow Management Company Limited | Bourne End | 1977 |
| Borough Bakery Management Limited | Cornwall | 2005 |
| Borough Court (Lifton) Management Company Ltd | Launceston | 2024 |
| Borough Gate Management (Steyning) Limited | Hove | 2006 |
| Borough Green (Kent) Management Company Limited | Croydon | 2013 |
| Borough House Residents Company Limited | Midhurst | 1993 |
| Borough Mews Management Co Limited | Hemel Hempstead | 2001 |
| Borough Park Totnes Management Limited | Torquay | 1988 |
| Borough View Apartments Management Company Limited | New Milton | 2016 |
| Borough View Management Company Limited | New Milton | 2014 |
| Boroughbridge High Street Management Ltd | York | 2009 |
| Boroughgate Management Company (Otley) Limited | London | 2024 |
| Boroughgate Management Company Limited | Appleby-In-Westmorland | 2021 |
| Boroughmuir Holdings Ltd | Bradford | 2024 |
| Borrage Hall Management Company Limited | Durham | 2006 |
| Borrans Lodge Limited | Southport | 1974 |
| Borrow House Farm Management Limited | Farnborough | 2020 |
| Borrowcop House Management Company Limited | Lichfield | 2004 |
| Borthwick Enterprise Limited | Tamworth | 2024 |
| Borthwick Freehold Limited | Bournemouth | 2004 |
| Borthwick Property Management Ltd | Chichester | 2020 |
| Borthwick Road Ltd | London | 2024 |
| Boru Group Ltd | Stafford | 2025 |
| Borwick & Brown Ltd | Dundee | 2023 |
| Borwick Mews Management Company Limited | Carnforth | 2010 |
| Bosbury Lodge Management Limited | Malvern | 2005 |
| Boscawen Court Flats Management Company Limited | Perranporth | 1987 |
| Boscawen Property (Management) Limited | Redruth | 1970 |
| Boscobel Estate TMO Limited | Tipton | 2008 |
| Boscolleth Gardens Property Management Company Limited | Truro | 2020 |
| Boscombe & Bisley Management Company Limited | Worcester Park | 1998 |
| Boscombe Court Management Company Limited | Colchester | 2014 |
| Boscombe Forge Ltd | Aylesbury | 2017 |
| Boscombe Grange (Boscombe) Limited | Bournemouth | 2001 |
| Bosden Close Management Company Limited | Wilmslow | 2005 |
| Bosi Ltd | London | 2020 |
| Bosleven Management Limited | Penzance | 1989 |
| Boslowick Court (Falmouth) Limited | Penryn | 1965 |
| Bosmeor Court (Redruth) Management Company Limited | Redruth | 2008 |
| Bosmere Management Company Limited | Birmingham | 1982 |
| Bosphorus Properties Ltd | London | 2023 |
| Boss House Management Company Limited | Cardiff | 1995 |