| Barlow Grove (Wendover) Management Company Limited | Aylesbury | 2014 |
| Barlow House (Phase 1) Management Company Limited | Manchester | 2003 |
| Barlow House Management Company Limited | Altrincham | 1990 |
| Barlow Moor Court (Manchester) Limited | Stockport | 1980 |
| Barlow Moor Court (Residents' Association) Limited | Manchester | 1971 |
| Barlow Property Ltd | London | 2021 |
| Barlows Mews Management Company Limited | Bordon | 2013 |
| Barluker RTM Company Limited | Petersfield | 2010 |
| Barmy Buttercup Limited | London | 2007 |
| Barn Close Management Company Limited | Totnes | 1989 |
| Barn Court (Management) Limited | Yeovil | 2001 |
| Barn Court Residents' Association Limited | Godalming | 1966 |
| Barn Croft (Hoghton) Management Company Limited | Preston | 2022 |
| Barn Field Place Management Limited | Croydon | 2007 |
| Barn Hall Freehold Limited | Rivenhall | 2018 |
| Barn HEY Management Company Limited | Liverpool | 1986 |
| Barn House Lane Management Company Limited | Chichester | 1987 |
| Barn Management (UK) 2 Limited | Leatherhead | 2004 |
| Barn Management Limited | Reading | 1989 |
| Barn OWL Court Management Company (Tetbury) Limited | Bristol | 1987 |
| Barn Property Services Ltd | Newark | 2025 |
| Barn Stables (Owners) Limited | Lewes | 1998 |
| Barn Street Yard Management Company Limited | Harlow | 2015 |
| Barna Close Limited | Coulsdon | 2022 |
| Barnabas Close Management Company Limited | Axbridge | 2000 |
| Barnaby Court Management Limited | North Harrow | 1985 |
| Barnaby Court Residents Limited | Bristol | 2005 |
| Barnaby's Property Lettings Limited | London | 2020 |
| Barnacle Chapel Limited | Bedworth | 2019 |
| Barnard Court Residents Management Company Limited | London | 2010 |
| Barnard Estates Limited | London | 1987 |
| Barnard House (Apartments) Management Company Limited | Fleet | 2003 |
| Barnard Lodge (2011) Limited | Barnet | 2012 |
| Barnard Lodge (Management) Limited | Barnet | 1998 |
| Barnard Mews Management Ltd | London | 1999 |
| Barnardo's Garden Village Management Company Limited | Eastleigh | 2013 |
| Barnards Court (Saffron Walden) Management Limited | Saffron Walden | 1979 |
| Barnards Management Limited | Dunmow | 2015 |
| Barnards Place Residents Association Limited | South Croydon | 2017 |
| Barnby DUN Limited | Stockton-On-Tees | 2016 |
| Barncopse Management Ltd | Bourne End | 2016 |
| Barncott Management Limited | Plymouth | 1994 |
| Barncroft (Preston) Management Company Limited | Lytham St Annes | 2003 |
| Barncroft Management Company Limited | Holsworthy | 2000 |
| Barnes Amenity Area NO 1 Management Company Limited | London | 1996 |
| Barnes Amenity Area NO 2 Management Company Limited | London | 1997 |
| Barnes Gate Management Company Limited | Croydon | 1998 |
| Barnes Holdings Limited | Cheshire | 2005 |
| Barnes Homes Management Company Limited | Heckmondwike | 2008 |
| Barnes Hospital SK8 Limited | London | 2025 |
| Barnes Meadow Management Limited | Axminster | 2001 |
| Barnes Platt (Great Missenden) Residents Association Limited | Great Missenden | 1988 |
| Barnes Waterside Estate Management Company Limited | London | 1995 |
| Barness Court (West Two) Residents Limited | London | 1968 |
| Barnet Wood Lane Management Company Limited | Ashtead | 2000 |
| Barnett Homes Management Limited | Ringmer | 2001 |
| Barnetts Chase Management Company Limited | Belfast | 2001 |
| Barnetts Lane Management Ltd | Stourbridge | 2024 |
| Barneys Close Management Company Limited | Bridport | 1996 |
| Barney’S Dog Plod Ltd | Lincoln | 2025 |
| Barnfield (Residents) Management Company Limited | Christchurch | 1978 |
| Barnfield Farm Management Company Limited | Nottingham | 2020 |
| Barnfield Gardens Freehold Ltd | Kingston Upon Thames | 2020 |
| Barnfield House Management Company Limited | Manchester | 2005 |
| Barnfield Road (Flat Management) Limited | Cardiff | 1978 |
| Barnfield Shaw Management Company Limited | Hove | 2025 |
| Barnham Residents Company Limited | Peterborough | 2003 |
| Barnhill Gardens (Sutton-In-Ashfield) Management Company Limited | Tarporley | 2019 |
| Barnhill Gate Management Company Limited | New Milton | 2015 |
| Barnhill Grange Management Company Limited | Chester | 1987 |
| Barnhouse Close Limited | Littlehampton | 2009 |
| Barnmead (Cator Estate) Residents Limited | Beckenham | 1984 |
| Barnmead Burnham Limited | Burnham-On-Crouch | 2001 |
| Barns Management Company Limited - the | Gilford | 2006 |
| Barns Mills Management Company Limited | Carrickfergus | 2004 |
| Barns Orchard Kidbrook Send Management Company Limited | London | 2021 |
| Barnsbury Grove Management Company Limited | Croydon | 2001 |
| Barnsdale Close (31-38) Freehold Limited | Macclesfield | 2017 |
| Barnsdale Close RTM Company Limited | Luton | 2014 |
| Barnsdale in Rutland Group Ownership Management Co. Limited | Leicester | 1988 |
| Barnsett Grange Management Company Limited | Durham | 2010 |
| Barnside Court (North) RTM Company Limited | Wadhurst | 2016 |
| Barnside Court (South) RTM Company Limited | Wadhurst | 2016 |
| Barnside Court (West) RTM Company Limited | Wadhurst | 2016 |
| Barnstile Residents Association Limited | | 1983 |
| Barnston Way (Freehold) Limited | West Malling | 1999 |
| Barnsway Residents Association Limited | Kings Langley | 2009 |
| Barnswell Property Limited | Grantham | 2014 |
| Barnum Court Freehold Ltd | Swindon | 2018 |
| Barnwell 58-60 Management Company Limited | Brixton | 2012 |
| Barnwell Place Management Limited | Bristol | 2021 |
| Barnwood Close Limited | Croydon | 1988 |
| Barnwood Mews (Guildford) Management Company Limited | Guildford | 2004 |
| Barnwood Place (Smarden) Management Company Limited | Croydon | 2022 |
| Barnworth Flat Management Limited | London | 1991 |
| Barnyard (Walton) Limited | Tadworth | 1962 |
| Barodel Limited | Hereford | 1982 |
| Barojac Flat Management Company Limited | Harpenden | 1978 |
| Baron Black Limited | Edinburgh | 2025 |
| Baron Court (Northampton) RTM Company Limited | Northampton | 2012 |