| Aubrey Homes Group Limited | London | 2026 |
| Aubrey House Flat Management Company Limited | Bedminster | 1983 |
| Aubrey Lodge Management Company (Enfield) Limited | Hertford | 2007 |
| Aubrey Mews Stow Management Limited | Cheltenham | 2019 |
| Aubrey Road Management Company Limited | London | 1996 |
| Aubrey-Douglas Limited | London | 1989 |
| Auburn Court Freehold Ltd | Wokingham | 2016 |
| Auburn Estates Ltd | London | 2018 |
| Auburn House RTM Company Limited | London | 2025 |
| Auburn Mansions (Branksome Park Poole) Flat Management Limited | Bournemouth | 1977 |
| Auburn Shark Limited | Walthamstow | 2015 |
| Aubury Place (Chiswick) Management Company Limited | Teddington | 2018 |
| Aubyn Square Ltd | London | 2025 |
| Auchinbowie Limited | Stirling | 2023 |
| Auckland Close Limited | London | 2003 |
| Auckland Court (Southsea) Management Limited | Eastleigh | 2007 |
| Auckland Court Management Limited | Doncaster | 2005 |
| Auckland Freehold Limited | Southsea | 2008 |
| Auckland Heights Property Management Ltd | London | 1998 |
| Auckland Hill Management Company Limited | London | 1984 |
| Aucle Limited | Kettering | 2025 |
| Aucott House Management Company Limited | Hereford & Worcester | 1984 |
| Auction Court (Longridge) Management Company Limited | Preston | 2016 |
| Auction House Courtyard Residents Management Company Limited | Windsor | 2004 |
| Auctionesm Limited | Stockport | 2024 |
| Audby Lane Management Company Limited | Leeds | 1995 |
| Auden Court Management Company Limited | Birmingham | 2005 |
| Audenshaw Court Flat Management Limited | Altrincham | 2000 |
| Audiovisualinstalls.Co.Uk Ltd | Witham | 2011 |
| Audlem Lodge Management Co Limited | Wimborne | 2005 |
| Audley (Sidmouth) Management Company Limited | Ottery St. Mary | 1999 |
| Audley BW Midco Limited | Egham | 2024 |
| Audley Chase (Earls Colne) Management Company Limited | Clacton-On-Sea | 2020 |
| Audley Cobham Unit Co NO1 Limited | Egham | 2025 |
| Audley Cobham Unit Co NO2 Limited | Egham | 2025 |
| Audley Court Freehold Limited | East Molesey | 2023 |
| Audley Court RTM Company Limited | Rochford | 2020 |
| Audley Ellerslie Unitco Limited | Egham | 2024 |
| Audley Green (Great Chesterford) Management Company Limited | Waltham Abbey | 2025 |
| Audley Headley Court Management Limited | Egham | 2023 |
| Audley Headley Court Rent Company Limited | Egham | 2023 |
| Audley Holdco NO.1 Limited | Egham | 2023 |
| Audley Holdco NO.2 Limited | Egham | 2024 |
| Audley Holdco NO.3 Limited | Egham | 2025 |
| Audley House Management (Peterborough) Limited | Peterborough | 1982 |
| Audley House Management Company Limited | Farnham | 1990 |
| Audley House Mews RTM Company Ltd | Newport | 2013 |
| Audley House Resident Management Company Limited | New Milton | 2016 |
| Audley Investments NO 5 Limited | Surrey | 2023 |
| Audley Lingfield Grange Limited | Egham | 2024 |
| Audley Lodge Residents Limited | Bristol | 1989 |
| Audley Road Freehold Limited | London | 2018 |
| Audley Shiplake Management Limited | Egham | 2024 |
| Audley Shiplake Meadows Limited | Egham | 2024 |
| Audley Stanbridge Earls Rent Company Limited | Egham | 2019 |
| Audley Stanbridge Earls Unitco Limited | Egham | 2024 |
| Audley Sunningdale Unitco 1 Limited | Egham | 2025 |
| Audley Sunningdale Unitco 2 Limited | Egham | 2025 |
| Audrey Manor Residents Limited | Bournemouth | 2019 |
| Audreys Court (OCK Street) Management Limited | Oxford | 2016 |
| Audruicq Residents Limited | Bishops Waltham | 2008 |
| Aughnaree Manor Management Company Ltd | Gilford | 2016 |
| Aughton Chase Flat Management Limited | Southport | 2008 |
| Aughton Court Management Limited | Wirral | 1982 |
| Aughton Wood Management Limited | Liverpool | 2019 |
| August House (Westcliff) Management Company Limited | Southend On Sea | 1990 |
| Augusta Court (Exeter) Limited | Exeter | 2002 |
| Augusta Court Management Company Limited | Cowbridge | 2016 |
| Augusta House Residents Limited | Chichester | 1995 |
| Augusta Park (Andover) Management Company Limited | Hemel Hempstead | 2009 |
| Augustfield Management Limited | Crowthorne | 2019 |
| Augustine Court Management Limited | Epsom | 2004 |
| Augustine Court Tenants Association Limited | Epsom | 2007 |
| Augustine Mews Residents Limited | Great Missenden | 2001 |
| Augustine's Well Residents Company Limited | Hoddesdon | 2004 |
| Augustines Flats (Bedford) Limited | Bedford | 1987 |
| Augustus Building Services Ltd | London | 2020 |
| Augustus Court Management Company Limited | London | 1981 |
| Augustus Court RTM Company Limited | Birmingham | 2006 |
| Augustus Grange Management Company Limited | Swadlincote | 2018 |
| Augustus Lane Limited | Coventry | 2023 |
| Augustus Mews Management Company Limited | Edgware | 2004 |
| Augustus Property Management 3 Limited | Coleraine | 2013 |
| Augustus Property Management 4 Limited | Coleraine | 2013 |
| Augustus Road Mews Limited | London | 2006 |
| Augustus Road Residents Management Company Limited | London | 2005 |
| Auignon Limited | Kingston Upon Thames | 1999 |
| Auksa Limited | London | 2025 |
| Aulcom Property Management Limited | Rochester | 1995 |
| Aultmore Court Limited | Tunbridge Wells | 1987 |
| Aultmore(Tunbridge Wells)Management Company Limited | Tunbridge Wells | 2006 |
| Aultone Way (Sutton) Management Limited | Croydon | 2006 |
| AUM Buildings Limited | Wednesbury | 2025 |
| Aumery Gardens (High Littleton) Management Company Limited | Bath | 2008 |
| AUR Cymru Property Maintenance Ltd | Swansea | 2020 |
| Aura (Isleworth) Residents Management Company Limited | Hemel Hempstead | 2007 |
| Aura 4 (Cambridge) Management Company Limited | Cambridge | 2021 |
| Aura Accommodation Ltd | London | 2025 |
| Aura House Management Ltd | London | 2024 |
| Aura Properties Limited | | 1994 |