| Brinkburn House (Dunston Riverside) Management NO.4 Limited | Hoddesdon | 2003 |
| Brinkburn Place (Longframlington) Management Company Limited | Newcastle Upon Tyne | 2022 |
| Brinkburn Water Management Company Limited | Morpeth | 2025 |
| Brinkcliffe Gardens Management Company Limited | Newport | 1999 |
| Brinkdell Building Applications Limited | Manchester | 1972 |
| Brinklea Freehold Limited | Bournemouth | 2015 |
| Brinkley Court Freehold Management Company Limited | Worcester Park | 2006 |
| Brinkley Grove (One) Management Company Limited | Colchester | 2005 |
| Brinkley Grove (Two) Management Company Limited | Hertford | 2005 |
| Brinkley Management Company Ltd | Stanmore | 2019 |
| Brinkley Place (Colchester) Management Company Limited | Colchester | 1987 |
| Brinkshelf 214 Limited | Leamington Spa | 1996 |
| Brinkworth Management Company Limited | Swindon | 2023 |
| Brinkworth Rush Management Company (S.E.) Limited | York | 2021 |
| Brinscall Hall Barn Management Company Limited | Bolton | 2019 |
| Brinsham Farm Cottages Management Company Limited | Beaminster | 2004 |
| Brinsley (Old Mill Farm) Management Company Limited | Croydon | 2022 |
| Brinson House RTM Company Ltd | Wickford | 2020 |
| Brinsworth Close Residents Association Limited | Teddington | 1959 |
| Brio Investments Ltd | Lillingstone Lovell | 2021 |
| Brionne Heights Okehampton Management Company Limited | Okehampton | 2005 |
| Brionson Flats Limited | Blackpool | 1974 |
| Brisco Road Management Limited | Carlisle | 1989 |
| Briscoe House Estates Limited | Wellington | 2024 |
| Briset House Limited | | 2000 |
| Brisley Farm Management Company Limited | Ashford | 2018 |
| Brislington (Pooles Court Yard) Management Company Limited | Bourne End | 2004 |
| Brislington House Management Company Limited | Salisbury | 2013 |
| Brislington on the Brook (Bristol) Building Management Company Limited | New Milton | 2021 |
| Brislington on the Brook (Bristol) Residents Management Company Limited | New Milton | 2021 |
| Brisson Close Management Limited | Grantham | 2009 |
| Brisson Close Residents Association Limited | Esher | 1989 |
| Bristant Investments Limited | Finchley | 1965 |
| Bristol .Property Rentals Limited | Weston-Super-Mare | 2018 |
| Bristol Care Homes Management Limited | Bristol | 2018 |
| Bristol Clare Street Limited | Richmond | 2023 |
| Bristol Court Freehold Limited | Marlow | 2010 |
| Bristol Handy Homes Ltd | Bristol | 2026 |
| Bristol Heights Limited | Weston-Super-Mare | 2019 |
| Bristol Inventory Ltd | Bristol | 2026 |
| Bristol Managing Agents Ltd | Bristol | 2018 |
| Bristol Mansions (Brighton) Limited | Brighton | 2010 |
| Bristol Mews Management Limited | London | 1991 |
| Bristolify Limited | Bristol | 2023 |
| Bristolmgmt Ltd | Bristol | 2025 |
| Bristow Properties Limited | Alcester | 2018 |
| Britannia 20 Freehold Limited | London | 2009 |
| Britannia Building Management Limited | London | 2013 |
| Britannia Close (Northolt) Management Company Limited | Hertford | 1983 |
| Britannia Court Residents Company Limited | Dartford | 2001 |
| Britannia Crescent Residents Company Limited | Peterborough | 2000 |
| Britannia Gardens Management Company Limited | Worcester | 2024 |
| Britannia Gate Management Company Limited | Harlow | 2014 |
| Britannia Gate Residents Association Limited | Poole | 2001 |
| Britannia Global Property Limited | Fleet | 2018 |
| Britannia House Management Company Limited | Leeds | 2000 |
| Britannia House RTM Company Limited | Wadhurst | 2021 |
| Britannia Lake View Residents RTM Company Limited | Harlow | 2023 |
| Britannia Lodge RTM Company Limited | Westcliff-On-Sea | 2021 |
| Britannia Mews (Colchester) Ltd | Colchester | 2010 |
| Britannia Mews (Great Harwood) Management Company Ltd | Salisbury | 2022 |
| Britannia Mews Management Company Limited | Croydon | 2015 |
| Britannia Quay (Preston) Limited | Lytham St Annes | 1997 |
| Britannia Quay Management Company Limited | Manchester | 2003 |
| Britannia Realty Investors Ltd | Bolton | 2024 |
| Britannia Residents Management Company Limited | Harlow | 2017 |
| Britannia Road Flats Limited | Bristol | 2021 |
| Britannia Square Car Park Limited | Cheltenham | 2017 |
| Britannia Stockport Ltd | Manchester | 2022 |
| Britannia Studios Management Limited | London | 1990 |
| Britannia Village (Eight) Residents Management Company Limited | London | 2000 |
| Britannia Village (Five) Residents Management Company Limited | London | 1998 |
| Britannia Village (Four) Residents Management Company Limited | Harlow | 1998 |
| Britannia Village (Nine) Residents Management Company Limited | London | 2000 |
| Britannia Village (One) Residents Management Company Limited | Harlow | 1996 |
| Britannia Village (Seven) Residents Management Company Limited | Harlow | 2000 |
| Britannia Village (SIX) Residents Management Company Limited | Harlow | 1998 |
| Britannia Village (TEN) Residents Management Company Limited | Bromley | 2000 |
| Britannia Village (Three) Residents Management Company Limited | Harlow | 1998 |
| Britannia Village (Twelve) Residents Management Company Limited | Bromley | 1999 |
| Britannia Village (Two) Residents Management Company Limited | Marden | 1996 |
| Britannia Village General Management Company Limited | Harlow | 1996 |
| Britannia Way RTM Company Limited | East Cowes | 2009 |
| Britannia Wharf (Woking) Freehold Limited | Beaumont | 2021 |
| Britannia Wharf Management (Bingley) Limited | Cheltenham | 2005 |
| Britannic Park Limited | Stockport | 2005 |
| Britco Property Management Ltd | London | 2025 |
| British American Household Staffing UK Ltd | London | 2016 |
| British American Trading Property Limited | Bournemouth | 2023 |
| British Brands Limited | London | 2017 |
| Britnell Management Company Limited | Horndean | 1980 |
| Briton Court Management Company Limited | Croydon | 1983 |
| Briton Management Limited | Dorking | 1986 |
| Brittain Court (Berkshire) Management Limited | Crowthorne | 1981 |
| Brittain Court (Sandhurst) Management Limited | Crowthorne | 1980 |
| Brittanic Ltd | Bournemouth | 2011 |
| Brittany Court (Bexhill) Limited | East Sussex | 1962 |
| Brittany Court Management Limited | St. Leonards-On-Sea | 2022 |
| Britten Close Freehold Limited | London | 2024 |
| Britten Close RTM Company Limited | Eye | 2020 |