| Barry Waterfront Residents Management Company Limited | Salisbury | 2014 |
| Barrydene Court Residents Association Limited | Ware | 1981 |
| Barrymoor Limited | | 1981 |
| Barrymore Limited | London | 1991 |
| Barsand House Management Company Limited | Tavistock | 2006 |
| Barsel Limited | London | 2021 |
| Barsham Vale (Beccles) Management Company Limited | Ipswich | 2021 |
| Barshire House Management Company Limited | Stafford | 2006 |
| Barsoum Ltd | Ruislip | 2024 |
| Barstaple House Apartments Limited | Bristol | 2013 |
| Barston Towers Limited | London | 2011 |
| Bartestree Court Barns (Management) Limited | Hereford | 2005 |
| Bartestree Grange Management Company Limited | Solihull | 2018 |
| Bartholomew Court Residents Limited | Harrow | 1997 |
| Bartholomew Flat Management Limited | Brighton | 1991 |
| Bartholomew House Management Company (Corsham) Limited | Corsham | 1983 |
| Bartholomew House Management Ltd | Essex | 2022 |
| Bartholomew Square Management Company Limited | Seaton | 2007 |
| Barthoman Limited | Romford | 1999 |
| Bartle Meadows (Cottam) Management Company Limited | Wilmslow | 2016 |
| Bartle Mgmt Ltd | Knaresborough | 2017 |
| Bartle Monk Property UK Ltd | Weston Super Mare | 2024 |
| Bartleet Management Company Limited | Broadway | 2023 |
| Bartles Wood Management Ltd | Redditch | 2018 |
| Bartlett Court Residents Association Limited | Bristol | 1994 |
| Bartlett Place Limited | Camberley | 2002 |
| Bartlett View Management Limited | Salisbury | 2011 |
| Bartley Court Management Company Limited | Clevedon | 2004 |
| Bartley Square Management Company Limited | Leigh-On-Sea | 2020 |
| Bartley's Wood Management Company Limited | Bangor | 2004 |
| Bartlow Barns Management Limited | Cambridge | 1998 |
| Bartlow Management Limited | Salisbury | 2023 |
| Bartlowside Management Co. Limited | Southend-On-Sea | 1990 |
| Bartok Management Limited | London | 1981 |
| Barton Barn (Lancaster) Management Limited | Lancaster | 2013 |
| Barton Brake (Wembury) Residents Management Company Limited | Salisbury | 2015 |
| Barton Chase Flat Freehold Limited | New Milton | 2011 |
| Barton Chase Flat Management Company Limited | New Milton | 1996 |
| Barton Chase Garden Management Company Limited | Highcliffe | 1996 |
| Barton Close Management Company Limited | Barnstaple | 2022 |
| Barton Court (Bristol) RTM Company Ltd | Croydon | 2023 |
| Barton Court (Farnborough) RTM Company Limited | Farnham | 2006 |
| Barton Court Holdings Limited | Buckland Brewer | 2019 |
| Barton Court Limited | Hayling Island | 2003 |
| Barton Court Management Company Limited | Chelmsford | 1989 |
| Barton Court Property Management Company Limited | Shrewsbury | 2014 |
| Barton Court RTM Company Limited | Romsey | 2004 |
| Barton Dome Management Ltd | New Milton | 2022 |
| Barton Durrant Properties Limited | Leeds | 2017 |
| Barton END House Management Limited | Alton | 2002 |
| Barton END Residents Company Limited | Winchester | 1978 |
| Barton Farm (Winchester) Management Company Limited | Bourne End | 2016 |
| Barton Fields Court Limited | Margate | 2001 |
| Barton Friars (Chigwell) Management Company Limited | Halstead | 1988 |
| Barton Gardens Lancaster Residents Property Management Company Ltd | Lancaster | 2022 |
| Barton Gloster Management Company Limited | Gloucester | 1972 |
| Barton Grange Management Company (Sandford) Limited | Exeter | 2025 |
| Barton Grange Management Limited | Taunton | 1987 |
| Barton Green Flats Management Company Limited | Bournemouth | 1992 |
| Barton Hall Close Residents Management Company Limited | Northampton | 2016 |
| Barton Heath Management Company Limited | Croydon | 2015 |
| Barton Hill Croft Management Limited | Chesterfield | 2021 |
| Barton House (Kingston) Management Company Limited | Bourne End | 2015 |
| Barton House Management Company Limited | New Milton | 1995 |
| Barton House Sidmouth Management Limited | Ottery St. Mary | 2009 |
| Barton Lodge (Cerne Abbas) Management Limited | Dorchester | 2006 |
| Barton Lodge (Teignmouth) Management Company Limited | Teignmouth | 2007 |
| Barton Lodge Freehold Management Ltd | Exmouth | 2017 |
| Barton Lodge Residents Association Limited | Exmouth | 2016 |
| Barton Manor (Barton) Management Company Limited | Nottingham | 2014 |
| Barton Manor Management Company Limited | Boscombe | 2002 |
| Barton Mansions Limited | Croydon | 1971 |
| Barton Meadows Estates Limited | Ilford | 1990 |
| Barton Meadows Management Company Limited | Exeter | 2017 |
| Barton Meadows Residents Management Company Limited | Newcastle Upon Tyne | 2022 |
| Barton Mill Canterbury Management Limited | Canterbury | 2006 |
| Barton Park (Oxford Phase 2, Phase 4A and Phase 4B) Estate Management Company Limited | Hemel Hempstead | 2023 |
| Barton Park Apartments Management Company Limited | Belfast | 2021 |
| Barton Park Management Company Limited | Belfast | 2021 |
| Barton Place (Hendon) Limited | Bourne End | 1994 |
| Barton Property Solutions Limited | Darlington | 2025 |
| Barton Quarter (Horwich) Residents Management Company Limited | Hoddesdon | 2022 |
| Barton Quarter Management Company Limited | Nottingham | 2020 |
| Barton Street Management Company Limited | Manchester | 2003 |
| Barton Tors Limited | North Leigh Business Park | 2022 |
| Barton Vale Management Company Limited | Luton | 2007 |
| Barton Villas Management Company Limited | Nottingham | 2006 |
| Bartons Close Management Company Ltd | Wellington | 2022 |
| Bartons Court Management Limited | Harlow | 2002 |
| Bartons Properties Limited | Huntingdon | 2016 |
| Bartons Yard Management Company Limited | Carmarthen | 2006 |
| Bartrams Close Management Limited | Chelmsford | 2020 |
| Barts Close Residents Committee Limited | Beckenham | 1997 |
| Barts Square Freehold Owners Limited | London | 2022 |
| Barttelot Court Management Company Limited | Cranleigh | 2004 |
| Barugh Green Residents Limited | Sheffield | 2008 |
| Barum Knoll, Barnstaple Management Company Limited | New Milton | 2022 |
| Barwell Court Farm Management Company Limited | Chessington | 1998 |
| Barwell House Courtyard Management Limited | Barwell | 2004 |
| Barwell House Management Company Limited | London | 1989 |