| ASH Tree Fields Management Company Limited | Manchester | 2014 |
| ASH Tree Grove Management Ltd | Hemel Hempstead | 2024 |
| ASH Tree Park Management Company Limited | Carlisle | 2016 |
| ASH Tree Residents Association Limited | Coventry | 1983 |
| ASH Tree Walk Management Limited | High Wycombe | 1970 |
| ASH Vale (Hampton Hargate) Management Company Limited | Hoddesdon | 2003 |
| ASH Ventures Limited | Arundel | 2008 |
| ASH View (Bowgreave) Management Company Limited | Croydon | 2020 |
| ASH View Surbiton RTM Company Limited | Surbiton | 2025 |
| ASH Well Grove Management Company Ltd | Huddersfield | 2023 |
| ASH2 Limited | London | 2018 |
| Asha House Management Company Limited | Loughborough | 2007 |
| Ashacre Corporation Limited | London | 1999 |
| Ashall Developments (South Lakes) Limited | Warrington | 2020 |
| Ashall Projects (Blackpool) Limited | Warrington | 2021 |
| Ashara Group Ltd | Oldham | 2025 |
| Ashbark Residents Association Limited | Bristol | 1983 |
| Ashbee Lodge Residents Association Limited | Ilford | 2012 |
| Ashberry Properties (North West) Limited | Manchester | 2012 |
| Ashborne Court (Sandown) Management Company Limited | Newport | 1989 |
| Ashbourne (Barbican) Management Limited | Plymouth | 1986 |
| Ashbourne Airfield Management Company Limited | Cheltenham | 2025 |
| Ashbourne Court (Beckenham) Management Limited | Bromley | 2000 |
| Ashbourne Court (Eastbourne) Limited | Eastbourne | 1995 |
| Ashbourne Court Development Co. Limited | Newtownards | 1985 |
| Ashbourne Flats RTM Company Limited | Bristol | 2022 |
| Ashbourne Gloucester Limited | Southport | 2004 |
| Ashbourne House Manco Ltd | London | 2024 |
| Ashbourne Lodge Management Company Limited | London | 2005 |
| Ashbourne Management Company Limited | London | 1992 |
| Ashbourne Manor Management Company Limited | Gilford | 2020 |
| Ashbourne Place Management Company Limited | Forest Row | 2004 |
| Ashbourne Square Residents Management Limited | Northwood | 1991 |
| Ashbreedy Management Ltd Limited | Clacton-On-Sea | 2025 |
| Ashbridge Court Management Limited | Salisbury | 2003 |
| Ashbrook (2017) Management Company Limited | Biggleswade | 2017 |
| Ashbrook 1-4 (Management Company) Limited | Pinner | 2018 |
| Ashbrook 9-12 (Management Company) Limited | Pinner | 2016 |
| Ashbrook Court Management Company Ltd | Limavady | 2018 |
| Ashbrook Farm Management Company Limited | Co Londonderry | 2007 |
| Ashbrook Fields Management Company Limited | Coleraine | 2012 |
| Ashbrook Management Company Limited | Ilkley | 2016 |
| Ashbrook Meadows Management Company Limited | Norwich | 2006 |
| Ashbrooke Hall Freehold Management Limited | Sunderland | 2018 |
| Ashbrooke Management Limited | Jarrow | 2002 |
| Ashbrooke Properties Ltd Ltd | Swadlincote | 2020 |
| Ashburmag Limited | Bedford | 2017 |
| Ashburn Gardens Management Company Limited | London | 2014 |
| Ashburn Place Management Company Limited | Fordingbridge | 2004 |
| Ashburn Properties Limited | Darlington | 2020 |
| Ashburnham Grove Management Company Limited | Bradford | 1981 |
| Ashburnham House Limited | Patcham | 1982 |
| Ashburnham Park Management Company Limited | Esher | 1987 |
| Ashburton Court Residents Association (Blackpool) Limited | Blackpool | 1978 |
| Ashburton Grove (Holbeach) Management Company Ltd | Cambridge | 2019 |
| Ashburton House Limited | Kingsbridge | 2005 |
| Ashburton House Management Company Limited | Ashburton | 2014 |
| Ashburton Housing Limited | Chesterfield | 2025 |
| Ashburton Management Limited | Hereford | 2006 |
| Ashburton Place Management Company Limited | London | 2002 |
| Ashburton Property Management Company Limited | | 1999 |
| Ashbury Crescent (Merrow) Management Company Limited | Bourne End | 1983 |
| Ashbury London Ltd | Richmond | 2021 |
| Ashbury Property Management Limited | Newcastle Upon Tyne | 1998 |
| Ashby Court (Hoddesdon) Management Limited | Braintree | 2010 |
| Ashby Court Limited | Hinckley | 1989 |
| Ashby Fields Management Company Limited | Eastleigh | 1996 |
| Ashby Gate (Daventry) Management Company Limited | Featherstone | 2002 |
| Ashby Grange Limited | New Milton | 1997 |
| Ashby Heights Management Company Limited | New Milton | 2008 |
| Ashby House (Management Company) Limited | Liverpool | 2003 |
| Ashby House Estate Management Company Ltd | Isleworth | 2021 |
| Ashby Lodge Residents Management Company Limited | Northwich | 2013 |
| Ashby Mills School Management Company Limited | London | 1999 |
| Ashby Road Management Company Limited | Shrewsbury | 2008 |
| Ashcar Properties Limited | Johnstone | 2023 |
| Ashchurch (ST Davids) Residents Company Limited | Peterborough | 2003 |
| Ashchurch Flats Management Company Limited | Tewkesbury | 2016 |
| Ashchurch Residents Company Limited | Teddington | 1973 |
| Ashchurch Villas Management Company Limited | London | 2016 |
| Ashcombe Capital Limited | London | 2011 |
| Ashcombe House (Burnham-On-Sea) Management Limited | Weston-Super-Mare | 1984 |
| Ashcombe Management (WSM) Company Limited | Weston-Super-Mare | 2014 |
| Ashcombe Management Company Limited | Weston Super Mare | 1985 |
| Ashcombe Place (Management Company) Limited | Chorley | 2006 |
| Ashcort Limited | London | 1992 |
| Ashcourt (Wimbledon) Management Company Limited | New Malden | 1979 |
| Ashcourt Freehold Limited | Leatherhead | 1973 |
| Ashcroft Court (Hemel Hempstead) Residents' Association Limited | St Albans | 1971 |
| Ashcroft Court (Petersfield) Limited | Waterlooville | 1971 |
| Ashcroft Court Freehold Company Limited | Horndean | 2005 |
| Ashcroft Court Management Company Limited | Manchester | 2006 |
| Ashcroft Court Residents Association Limited | London | 2022 |
| Ashcroft Developments (Sussex) Ltd | Chichester | 2024 |
| Ashcroft Hall Management Company Limited | Gloucester | 2010 |
| Ashcroft House (Staines) Building Management Company Limited | Beaconsfield | 2023 |
| Ashcroft House Residents Association Limited | Surrey | 2001 |
| Ashcroft Lane Management Company Limited | Wicklewood | 2021 |
| Ashcroft Management (Primett Road) Limited | Stevenage | 2007 |
| Ashcroft Place (Epsom) Management Company Limited | Dorking | 2006 |