| Bussells Farm Management Company Limited | Torquay | 2015 |
| Bustleholme Avenue Private Road Limited | West Bromwich | 2025 |
| Busuma Properties Limited | London | 2019 |
| Butchers Mews Management Company Limited | Shrewsbury | 2012 |
| Bute House (Whalley Range) Management Company Limited | Altrincham | 2007 |
| Bute Management Limited | Wallington Surrey | 1978 |
| Buthro Limited | Bromley | 2006 |
| Butleigh (Management Company) Limited | Glastonbury | 2026 |
| Butler & Hidri Holdings Limited | Pinner | 2025 |
| Butler Avenue RTM Company Limited | Harrow | 2008 |
| Butler Close (Management) Limited | Oxford | 1981 |
| Butler Court Leaseholders' RTM Company Limited | Newhaven | 2018 |
| Butler Court Management Limited | Croydon | 2019 |
| Butler Enterprises Limited | Kidderminster | 2000 |
| Butler House Management (Slough) Limited | Slough | 2008 |
| Butler House Management Limited | Rickmansworth | 2002 |
| Butler Property Management Limited | Jarrow | 2025 |
| Butler Rentals Ltd | Croydon | 2014 |
| Butler Road Bagshot Residents Company Limited | Bagshot | 1995 |
| Butlers and Colonial Wharves Management Limited | Hertford | 1998 |
| Butlers Court (High Wycombe) Residents Company Limited | Marlow | 1987 |
| Butlers Court (Smethwick) NO 1 Management Limited | Shrewsbury | 2013 |
| Butlers Court Management Company Limited | London | 1999 |
| Butlers Crescent (Dudley) Estate Management Company Limited | Leatherhead | 2016 |
| Butlers Farm Court Property Ltd | Leyland | 2017 |
| Butlers Intra Ltd | Crediton | 2022 |
| Butlers Management Association Limited | Birmingham | 1982 |
| Butlers Meadow Residents Company Limited | Peterborough | 2000 |
| Butlers Mews (Block a) Management Company Limited | Harrow | 1989 |
| Butlers Mews (Block B) Management Company Limited | Harrow | 1989 |
| Butlers Mews (Block C) Management Company Limited | Harrow | 1989 |
| Butlers Mews (Block D) Management Company Limited | Harrow | 1989 |
| Butlers Mews (Block E) Management Company Limited | Harrow | 1989 |
| Butlers Mews (Block F) Management Company Limited | Wembley | 1989 |
| Butlers Mews (Block G) Management Company Limited | Harrow | 1989 |
| Butlers Walk (B) RTM Company Limited | Clevedon | 2023 |
| Butlers Walk (C) RTM Company Limited | Clevedon | 2023 |
| Butlers Walk (D) RTM Company Limited | Clevedon | 2023 |
| Butlers Walk (E) RTM Company Limited | Clevedon | 2023 |
| Butlers Walk (F) RTM Company Limited | Clevedon | 2023 |
| Butlers Walk Management Company Limited | Birmingham | 2007 |
| Butlers Wharf West Limited | London | 1997 |
| Butlers Yard Management Company Limited | Henley-On-Thames | 2002 |
| Butley Hall Management Company Limited | Croydon | 2012 |
| Butser Court Management Company Limited | Horndean | 1985 |
| Butt HAW Close Management Limited | Gillingham | 1988 |
| Butt Houses Limited | Doncaster | 2019 |
| Butt Lane Management Company (Laceby) Limited | Grimsby | 2015 |
| Butter Mill Cottages Limited | Ivybridge | 2026 |
| Buttercross Hall (Management Company) Limited | Warrington | 2025 |
| Buttercross Meadow Somerton Management Company Limited | Peterborough | 2022 |
| Buttercross Meadows (Brigg) Management Company Limited | Shrewsbury | 2025 |
| Buttercross Park Residents Management Company Limited | Swadlincote | 2016 |
| Buttercup Blossoms Limited | Royston | 2020 |
| Buttercup Drive Management Company Limited | Wymondham | 2022 |
| Buttercup Lane 7-15 Management Company Limited | Wimborne | 2025 |
| Buttercup Lettings Ltd | Keswick | 2023 |
| Buttercup Leys (Boulton Moor) Residential Management Company Limited | York | 2014 |
| Buttercup Management Company Limited | Loughborough | 2018 |
| Buttercup RTM Company Limited | Croydon | 2008 |
| Buttercup View Residents Management Company Limited | Warrington | 2026 |
| Butterfield Close (Brigham) Limited | Carlisle | 2016 |
| Butterfield Close Residents Association Limited | London | 1986 |
| Butterfield Court (Freehold) Limited | Victoria | 2010 |
| Butterfield Court Management Ltd | Baldock | 2016 |
| Butterfield House (Management) Limited | London | 1982 |
| Butterfield House Company Ltd | Newbury | 2024 |
| Butterfield House Freehold Limited | London | 2002 |
| Butterfield Meadows (Hunstanton) Management Company Limited | Ipswich | 2017 |
| Butterfield ROW Management Company Limited | Middx | 2001 |
| Butterfields Management Company Limited | New Milton | 2010 |
| Butterfly Mill (Horsford) Management Company Limited | Hemel Hempstead | 2015 |
| Butterfly Social Housing Ltd | Romford | 2024 |
| Butteridge Rise Management Limited | Romsey | 2001 |
| Butterley Park Farm Barns Management Company Limited | Ripley | 2015 |
| Buttermarket House Management Company Limited | Canterbury | 2012 |
| Buttermere Court (London) Management Company Limited | London | 2021 |
| Buttermere Place (Watford) Management Company Limited | Watford | 1979 |
| Buttermilk Close MGT Co Ltd | Bedfordshire | 2024 |
| Buttermilk Loney Management Ltd | Ballyclare | 2017 |
| Butterton Residents Association Limited | Newcastle | 1994 |
| Butterworth Gardens (Chorley) Residents Association Limited | Manchester | 2003 |
| Button Freehold Ltd | Harlow | 2023 |
| Buttons Yard Management Company Limited | Trowbridge | 1988 |
| Butts ASH Wood Residents Association Limited | Hythe | 1984 |
| Butts Green (Kingswood) Management Company Limited | Altrincham | 2003 |
| Butts Lane (Maple Park) Management Company Limited | New Milton | 2015 |
| Butts Orchard Management Company Limited | Bristol | 1991 |
| Buxshalls Estate Management Company Limited | Reading | 2022 |
| Buxton Apartments Limited | Epsom | 2006 |
| Buxton Close (Stansted Mountfitchet) Management Company Limited | Colchester | 2024 |
| Buxton Corner Residents Association Limited | Eastbourne | 1969 |
| Buxton Estates Management Limited | Buxton | 1998 |
| Buxton Hall Farm Residents Limited | Ashbourne | 2002 |
| Buxton House (Snaresbrook) Limited | Watford | 1999 |
| Buxton Lodge Barns Limited | Norwich | 2011 |
| Buxton Place (Caterham) Management Company Limited | Dorking | 2006 |
| Buxton Road Management (Weymouth) Ltd | Weymouth | 2012 |
| Buxton Road Properties Limited | Bakewell | 1998 |
| Buyinn Limited | New Barnet | 1994 |