| Bantock RTM Company Ltd | Chelmsford | 2021 |
| Bantock Way Management Co Limited | Witham | 2024 |
| Bantry Close RTM Company Ltd | Henley-In-Arden | 2014 |
| Banwell Place Management Limited | Leighton Buzzard | 2014 |
| Banyards Property Ltd | Maldon | 2017 |
| Banza Property Ltd | Glasgow | 2025 |
| Baoighill Limited | An T-Eilean | 2014 |
| Bapcleaningservicesni Limited | Ballymoney | 2024 |
| Bapel Court Management Company Limited | Beckenham | 1999 |
| Baptist Church Broadclyst Management Company Limited | Exeter | 2013 |
| Bar Creek (Management Company) Limited | Penryn | 2009 |
| Bar Meadows Management Company Limited | Truro | 2019 |
| Bar-Ad Ltd | West Malling | 2021 |
| Barabbas Development Ltd | Belfast | 2019 |
| Baraca Ltd | London | 2025 |
| Barai Heating Ltd | Croydon | 2018 |
| Barakah A4 Developments Limited | London | 2025 |
| Barakah Abode Properties Limited | Glasgow | 2026 |
| Barakah Property Management Ltd | London | 2026 |
| Baranway Property Management Limited | London | 1999 |
| Baranwheel Court Management Company Limited | Bristol | 2001 |
| Barbados Management (Bexhill) Limited | St. Leonards-On-Sea | 1979 |
| Barbarossa Properties Ltd | Hayle | 2024 |
| Barber AA Limited | Leeds | 2021 |
| Barber Estates Limited | Leicester | 2023 |
| Barbers Wharf Limited | Bourne End | 2000 |
| Barbers Wharf Management Limited | Bourne End | 1988 |
| Barbican and White Lane Management Limited | Taunton | 2019 |
| Barbican Court Flats Management Company Limited | York | 1999 |
| Barbican Gate Management Company Limited | Leeds | 2002 |
| Barbican Management Company (York) Limited | Leeds | 1996 |
| Barbican Monkey Ltd | Plymouth | 2022 |
| Barbicus Court Management Company Limited | Marlow | 2004 |
| Barbieri Group Ltd | Folkestone | 2023 |
| Barbola Limited | Shrewsbury | 2022 |
| Barbot Close (Block D) Management Company Limited | Barnet | 1992 |
| Barbot Close Management Company Limited | Edgware | 1992 |
| Barbourne Management Company Limited | Droitwich | 2007 |
| Barbourne Works Limited | New Milton | 2004 |
| Barbrook Close Management Company Limited | Cardiff | 1986 |
| Barbuda Heights Limited | Eastbourne | 2006 |
| Barby Road (Kilsby) Management Company Ltd | Radstock | 2026 |
| Barc Property Limited | Harrogate | 2021 |
| Barcham Green Management Company Limited | Bromley | 2010 |
| Barcham House RTM Company Ltd | London | 2017 |
| Barchester Lodge Limited | London | 1989 |
| Barchester Place (Eastbourne) Limited | Eastbourne | 1996 |
| Barchester Residents Company Limited | Leighton Buzzard | 1989 |
| Barchha Properties Ltd | Leicester | 2018 |
| Barclay Court (Hoddesdon) Freehold Company Limited | Waltham Abbey | 2020 |
| Barclay Court Flat Management Company Limited | Ongar | 1993 |
| Barclay Court Gardens Management Limited | London | 2019 |
| Barclay Court Management Company Limited | Birmingham | 1984 |
| Barclay Court RTM Company Limited | Bournemouth | 2009 |
| Barclay Gardens Management Limited | Stevenage | 2019 |
| Barclay Hall Residents Association Limited | Stockport | 2002 |
| Barclay Hamilton Freehold Ltd | Blackpool | 2020 |
| Barclay House (Banbury Road) Limited | Oxford | 2012 |
| Barclay House RTM Company Limited | Presteigne | 2012 |
| Barclay Mansions (Bournemouth) Limited | London | 1957 |
| Barclay Mews Freehold Company Limited | Epsom | 1997 |
| Barclay Residents Company Limited | Banbury | 1986 |
| Barclays House Management Ltd | Caterham | 2026 |
| Barcombe Close Estate Limited | London | 1987 |
| Barcombe Close Property Management Limited | London | 1987 |
| Barcombe Management Limited | London | 2015 |
| Barcombe Place Residents' Association Limited | Worthing | 1977 |
| Barcombe Property Management Limited | Bristol | 1987 |
| Barcroft Hall Management Company Limited | Burnley | 2006 |
| Bard Management Limited | Harrow | 2011 |
| Bard Properties Limited | Barnet | 1996 |
| Bardachoice Limited | Royston | 1977 |
| Bardeen Place Management Co. Limited | Croydon | 2003 |
| Bardel Court Management Company Limited | Yeovil | 2026 |
| Barden Croft (Tonbridge) Residents Management Company Limited | Croydon | 2023 |
| Bardfield House Management Limited | Braintree | 2020 |
| Bardfield Walk (Great Bardfield) Management Company Limited | Croydon | 2018 |
| Bardolph Close Residents Limited | Buckinghamshire | 1998 |
| Bardon Hall Woodlands Limited | New Milton | 2001 |
| Bardon Lodge Ltd | Croydon | 2013 |
| Bardswell Court Management Company Limited | New Milton | 2000 |
| Bare Farm Management Company Limited | Milton Keynes | 2010 |
| Bare Property Solutions Limited | London | 2010 |
| Bareena Investments Ltd | Ascot | 2024 |
| Bareham Drive Management Limited | Fleet | 2018 |
| Barepta Cove Management Company Limited | Redruth | 2010 |
| Barfield Gardens Management Company Ltd | Cranleigh | 2025 |
| Barfield Gardens Resident Management Company Limited | Cranleigh | 2025 |
| Barfield House Management Limited | Cheadle | 1995 |
| Barford Burrows Estate Management Company Limited | Warwick | 2007 |
| Barford Burrows Residential Management Company NO. 1 Limited | Warwick | 2007 |
| Barford Burrows Residential Management Company NO. 2 Limited | Warwick | 2007 |
| Barford Mews (Kenilworth) Management Limited | Kenilworth | 2017 |
| Barford Road (Bloxham) Management Company Limited | Southend On Sea | 2014 |
| Barforth Maisonettes Ltd | Nunhead | 2024 |
| Barfoss Place Management Company | York | 2023 |
| Bargates Houses Management Limited | Bournemouth | 2016 |
| Barge Court Management (NO. 2) Limited | Boston | 2004 |
| Barglo Rentals Ltd | Aberdare | 2023 |
| Bargrove Mews Management Company Limited | Tunbridge Wells | 2008 |