| Buddy Housing Ltd | Grantham | 2019 |
| Buddy Mackay Services Ltd | Inverness | 2026 |
| Bude (Upton) Management Company Limited | Newquay | 2024 |
| Bude Stratton Business Park Management Company (NO 2) Limited | Bude | 2015 |
| Budenberg Haus Projekte Management Company Limited | Manchester | 2003 |
| Budgell Limited | Reigate | 1985 |
| Budgenor Lodge Ltd | Midhurst | 2014 |
| Budget Inventories Ltd | Romford | 2020 |
| Budget Lettings and Management Ltd | London | 2020 |
| Budget Property Management Ltd | Bury St. Edmunds | 2022 |
| Budle Barns Management Company Limited | Alnwick | 2016 |
| Budle Sands Management Co. Limited | Tyne & Wear | 2003 |
| Budmouth Mews Management Company Limited | New Milton | 2016 |
| Budron Property Services Limited | Helensburgh | 2020 |
| Buena Vista Management Company Limited | Axminster | 2007 |
| Buff and Broom Cleaning Services Ltd | London | 2025 |
| Buffer Apartments Management Company Limited | Castlewellan | 2004 |
| Buffy Properties Limited | Coulsdon | 2018 |
| Bugbrooke Management Company Limited | Swadlincote | 2014 |
| Bugbrooke Road (Kislingbury) Management Company Limited | Swadlincote | 2012 |
| Buglers OFF Licence Management Company 2 Limited | Ottery St. Mary | 2016 |
| Bugwin Co Ltd | Chesterfield | 2025 |
| Build Hair Ltd | Glasgow | 2025 |
| Building 15 Management Company Limited | Tunbridge Wells | 2001 |
| Building 26 RTM Company Ltd | London | 2025 |
| Building 3 RTM Company Limited | Ticehurst | 2024 |
| Building Services East Ltd | Bury St Edmunds | 2025 |
| Building&Property Maintenance Ltd | Sunbury-On-Thames | 2025 |
| Buildings 3A, 3B & 4 Harbourside Management Company Limited | Reading | 2007 |
| Buildings Farm Management Company Ltd. | Great Dunmow | 2012 |
| Buildknoll Property Management Limited | London | 2001 |
| Buildspace Limited | London | 2000 |
| Buildwell Property Development Company Limited | | 1986 |
| Built London Maintains Ltd | London | 2023 |
| Bulbourne Mews Ltd | Hemel Hempstead | 2018 |
| Bulford Court Management Limited | Gravesend | 2018 |
| Bulford Residents Company Limited | Peterborough | 2002 |
| Bulkeley Grange Barns Ltd | Malpas | 2016 |
| Bull Bay Management Company Limited | Southport | 2024 |
| Bull Close Management Company Limited | Gravesend | 1994 |
| Bull Dog Properties (Birmingham) Ltd | Birmingham | 2015 |
| Bull Duck Property Management Limited | Blackburn | 2017 |
| Bull Farm Management Co Ltd | Bedford | 2021 |
| Bull Green Road Management Company Limited | Knottingley | 2007 |
| Bull Lane Apartments (Management) Company Limited | New Milton | 2003 |
| Bull Properties Bristol Ltd | Bristol | 2022 |
| Bull's Cliff Felixstowe Limited | Felixstowe | 1987 |
| Bullar Road Management Limited | Southampton | 1993 |
| Bullcourt Flat Management Company Limited | Reading | 1980 |
| Bulldog Lane Ltd | Kilmarnock | 2025 |
| Bullear Residents Association Limited | Redhill | 1992 |
| Bulleigh Barton Court Management Company Limited | Torquay | 1991 |
| Bullen Village Management Company Limited | Newport | 2007 |
| Buller Close Owners RTM Company Limited | Crowborough | 2019 |
| Buller House Residents Association Limited | Torquay | 1993 |
| Bullet Property Holdings Ltd | Upminster | 2021 |
| Bullride Management Company Limited | Woodbridge | 2018 |
| Bullshark Prints Limited | Prestatyn | 2024 |
| Bullsland Estate Management Limited | Broxbourne | 2023 |
| Bulmorna Limited | Cardiff | 1976 |
| Bulstrode Court (Freehold) Limited | Harrow | 1998 |
| Bulstrode Court Management Limited | Harrow | 1963 |
| Bulstrode Management Ltd | Hounslow | 2019 |
| Bulstrode Place (Upton) Management Company Limited | Brampton | 1998 |
| Bulstrode Way Management Company Limited | Gerrards Cross | 2011 |
| Bumperzone Limited | Lancaster | 1986 |
| Bunce Court Management Limited | Swindon | 2013 |
| Bunce Drive Management Limited | High Street Godstone | 1998 |
| Bunces Court Freehold Co Ltd | Aylesbury | 2010 |
| Bundish Hall Barns Management Company Limited | Leamington Spa | 2003 |
| Bunfree Ltd | London | 2017 |
| Bungalow Homes Ltd | Romford | 2021 |
| Bungalow Residence Association Limited | Maidenhead | 1993 |
| Bunker Court Management Company Limited | Dunstable | 1988 |
| Bunkers Hill (Lincoln) Management Company Limited | Shrewsbury | 2007 |
| Bunner Group Services Ltd | Liverpool | 2016 |
| Bunnergrove Limited | Guildford | 1973 |
| Bunning Way Freehold Company Limited | London | 2015 |
| Bunns Lane Management Co. Limited | London Colney | 2001 |
| Bunwell Management Limited | Wymondham | 2006 |
| Bunyan Crescent Management Company Limited | Salisbury | 2006 |
| Buoymasters (Lancaster) Limited | Lancaster | 1987 |
| Buraq Enterprises London Ltd | Ilford | 2026 |
| Burbage Hall Management Company NO.1 Limited | Stockport | 2006 |
| Burbage Hall Management Company NO.2 Limited | Stockport | 2006 |
| Burbage Heights (Buxton) Management Company Limited | Ashbourne | 2007 |
| Burbage Heights (Residents) Management Company Ltd | Buxton | 2019 |
| Burbage View Management Services Ltd | Sheffield | 2023 |
| Burbeach Close Flats Management Co. Limited | Southwick | 1980 |
| Burbeck Group Limited | Cambridge | 2018 |
| Burberry Close Management Company Limited | Bognor Regis | 2018 |
| Burberry Court Management Limited | Northwood | 2005 |
| Burberry House (Kidlington) Management Company Limited | Kidlington | 2014 |
| Burbo Mansions (Crosby) Management Company Limited | Liverpool | 1975 |
| Burbo Point Management Company Limited | Liverpool | 2007 |
| Burbo Point Owners Limited | Liverpool | 2018 |
| Burbridge House (Crossways) Management Company Limited | Christchurch | 2024 |
| Burbury Court (Freehold) Limited | London | 1978 |
| Burbury House Management Limited | Worcester | 1992 |
| Burbury RTM Company Limited | Walsall | 2025 |