| Blueduck Property Group Ltd | Askam-In-Furness | 2026 |
| Bluefield Mews Management Company Limited | Whitstable | 2002 |
| Bluegates (Wimbledon) Limited | Putney | 1979 |
| Bluegates Management Company Limited | Epsom | 1990 |
| Bluegates Place Managment Company Limited | Colchester | 2015 |
| Bluehaven Property Group Ltd | Wirral | 2026 |
| Bluehaze Freehold Company Limited | Brighton | 2022 |
| Bluekey Property Ltd | Frome | 2025 |
| Blueleaf Property Limited | Chippenham | 2016 |
| Bluenote Apartments Management Company Limited | Southend On Sea | 2020 |
| Bluepoint Management Company Limited | Croydon | 2003 |
| Bluepond Properties Limited | Bromley | 1998 |
| Blueprint Apartments RTM Company Limited | London | 2026 |
| Blueprint Housing Ltd | Bootle | 2023 |
| Bluerace Limited | London | 1985 |
| Bluerad North Ltd | Methven | 2015 |
| Blueridge Property Services Ltd | London | 2024 |
| Bluestone Centre (Solstice Park) Ltd | Salisbury | 2017 |
| Bluestone Court RTM Company Limited | Taunton | 2021 |
| Bluestone Hall Development Management Company Limited | Carrickfergus | 2005 |
| Bluestone Point Management Limited | Braunton | 2004 |
| Bluestone Property Management (March) Ltd. | March | 2019 |
| Bluestorm Limited | Brighton | 1998 |
| Bluetax Limited | Liverpool | 1992 |
| Bluewater Group Property Limited | London | 2020 |
| Bluewater Real Estate Limited | Bradford | 2021 |
| Bluheight Limited | Basingstoke | 1986 |
| Blumer Lock Management Company Limited | Rochester | 2018 |
| Blundell Links Court Management Company Limited | Southport | 2001 |
| Blundells Court Management Company Limited | Cardiff | 2004 |
| Blundells Grange Infrastructure Management Company Limited | Ewloe | 2023 |
| Blundellsands Classic Management Limited | Warwick | 2002 |
| Blundellsands Court Management Company Limited | Liverpool | 2001 |
| Blunham Court Management Company Limited | Wembley | 1964 |
| Blunham Mews Management Co. Limited | Bedford | 1986 |
| Blunhill Property Management Limited | London | 1997 |
| Blunsdon Chase Management Company Limited | New Milton | 2017 |
| Bluntgate Limited | Surrey | 1987 |
| Bluntglass Limited | London | 1987 |
| Bluntlake Limited | Weston-Super-Mare | 1987 |
| Bluon Energy Ltd | London | 2023 |
| Blurton Road Management Company Limited | Loughton | 2018 |
| Bluubean Limited | Dewsbury | 2015 |
| Blydon House Management Co. Limited | London | 1969 |
| Blynk Investments Ltd | London | 2022 |
| Blyth Court (Bromley) RTM Company Limited | Orpington | 2025 |
| Blyth House Management Limited | Beckenham | 1999 |
| Blyth Park Management Ltd | Norwich | 2016 |
| Blyth Vale (Halesworth) Management Company Limited | Ipswich | 2019 |
| Blyth Wood Park Management Company Limited | Croydon | 1988 |
| Blyth Wood Park Property Company Limited | Croydon | 1996 |
| Blythe Court (Birkdale) Residents Company Limited | Southport | 2002 |
| Blythe Court (Churchtown) Residents Company Limited | Southport | 2002 |
| Blythe Court Management (Taunton) Limited | Taunton | 1976 |
| Blythe Court Management RTM Company Limited | London | 2004 |
| Blythe Fields Estate Management Company Limited | Derby | 2020 |
| Blythe Flat Management Company Limited | London | 2013 |
| Blythe Flats Limited | London | 1993 |
| Blythe Hill Limited | Lancing | 2024 |
| Blythe Hill Place Management Limited | London | 1997 |
| Blythe House Management Company Limited | New Milton | 2022 |
| Blythe Meadow (Charsfield) Management Company Limited | Bury St. Edmunds | 2025 |
| Blythe Road 131 to 133 Limited | London | 2007 |
| Blythe Terrace Management Company Limited | London | 2018 |
| Blythe Valley (Parcel R Apartments) Residents Management Company Limited | Birmingham | 2022 |
| Blythe Valley (Parcel S Apartments) Residents Management Company Limited | Cambridge | 2021 |
| Blythe Valley Management Company Limited | New Milton | 2020 |
| Blythe Village (Ainsdale) Management Company Limited | Southport | 2005 |
| Blytheswood Place RTM Company Limited | Chipstead | 2018 |
| Blyths Wharf Residents' Association Limited | Borehamwood | 1995 |
| Blythswood Court (Barton) Limited | New Milton | 1975 |
| Blythswood Management Limited | Brentwood | 1989 |
| Blythswood Managers North & South Limited | Tyne & Wear | 2005 |
| Blythview Management Company Limited | Norwich | 2000 |
| Blythway Management Company Limited | Hertfordshire | 1984 |
| Blythwood Management Company Limited | Solihull | 2018 |
| Blyton House RTM Company Limited | Beckenham | 2012 |
| BM & FM Ltd | London | 2020 |
| BM Bosscat Homes Ltd | Watford | 2025 |
| BM Guide Ltd | Birmingham | 2023 |
| BM Partners Limited | Loughton | 2017 |
| BM Properties Leeds Ltd | Leeds | 2024 |
| BM Residents Management Company Limited | London | 2018 |
| BMA Well Services Ltd | Brechin | 2007 |
| Bmac Homes Limited | Salford | 2025 |
| Bmac Properties Ltd | Ashton-Under-Lyne | 2025 |
| Bmcc RTM Company Ltd | Cheadle | 2026 |
| Bmcg PG Limited | Enniskillen | 2025 |
| BMG Property Management Ltd | Bolton | 2024 |
| BMH Investment London Ltd | London | 2019 |
| BMH Management Company Limited | Great Horkesley, Colchester | 2024 |
| BMH Properties Ltd | Coventry | 2023 |
| BMH Property Services Limited | Stanford-Le-Hope | 2021 |
| Bmlr Management Limited | London | 2019 |
| BMP Corp Ltd | Romford | 2023 |
| Bmpg Management Limited | London | 2025 |
| BMR Bishops Limited | London | 2021 |
| BMR Chertsey Limited | London | 2022 |
| Bmra Ltd | Ross On Wye | 2025 |
| BMV Apartment Management Company NO. 1 Limited | Torquay | 1990 |