| Ashtree Court Residents Management Company Limited | Lee-On-The-Solent | 2018 |
| Ashtree Farm Court Limited | Neston | 1999 |
| Ashtree Grove Residents Management Company Limited | Birmingham | 2024 |
| Ashurst Close (Flats) Limited | Northwood | 1972 |
| Ashurst Close Leatherhead ( Freehold) Limited | Epsom | 2016 |
| Ashurst Court Freehold Limited | London | 2008 |
| Ashurst Lodge Freehold Limited | Brighton | 2023 |
| Ashurst Place (Dorking) Company Limited | Dorking | 2003 |
| Ashurst Place Residents Management Company Limited | Haywards Heath | 2001 |
| Ashurst Wood Abbey Management Company Limited | Whitstable | 1985 |
| Ashvale (Aylesbury) Management Limited | Croydon | 1991 |
| Ashvale Court (Tredegar) Management Limited | Leiston | 2005 |
| Ashvalley Residents Company Limited | Farnham | 1992 |
| Ashvee Properties Ltd | West Malling | 2025 |
| Ashview Court Management Limited | Limavady | 2005 |
| Ashview Gardens Management Company Limited | Egham | 2020 |
| Ashville Court Limited | Bridlington | 2017 |
| Ashway House (Management Company) Limited | Cheltenham | 2003 |
| Ashway Park (Management Company) Limited | Warrington | 2023 |
| Ashwell Court Management Company Limited | Oakham | 1996 |
| Ashwell Gardens Management Company Limited | Pitstone, Leighton Buzzard | 2005 |
| Ashwell Maltings Management Limited | Cambridge | 1990 |
| Ashwell Road Management Company Limited | Bradford | 1982 |
| Ashwick Court and Barrington Court Management Company Limited | Wimborne | 2018 |
| Ashwin Court Residents Association Limited | Evesham | 1995 |
| Ashwin House Malvern Management (RTM) Limited | Malvern | 2005 |
| Ashwood (Hockley Heath) Management Company Limited | New Milton | 2017 |
| Ashwood Court (Knaphill) Limited | Wokingham | 2005 |
| Ashwood Court (N.A.) Management Company Limited | Torquay | 2005 |
| Ashwood Court (Tateley Lane) Management Company Limited | Ossett | 2003 |
| Ashwood Court Freehold Company Limited | Windsor | 2011 |
| Ashwood Court Limited | Tunbridge Wells | 2003 |
| Ashwood Court Management Company Limited | Carnforth | 1997 |
| Ashwood Court Residents Limited | Bromley | 2001 |
| Ashwood Estate (Woking) Limited | Leatherhead | 1999 |
| Ashwood Freehold Limited | Hazlemere | 2016 |
| Ashwood Gardens (Driffield) Management Company Limited | Beverley | 2004 |
| Ashwood Gardens Property Management Company NO 1 Limited | Huntingdon | 2004 |
| Ashwood Gate Management Company Limited | Barnsley | 2006 |
| Ashwood Grange (Aston on Trent) Management Company Limited | Swadlincote | 2019 |
| Ashwood Grange Residents Association Limited | Woking | 1989 |
| Ashwood Green (Sutton-In-Ashfield) Management Company Limited | Croydon | 2004 |
| Ashwood Green Management Company Limited | New Milton | 2004 |
| Ashwood House (Gerrards Cross) Management Company Limited | Great Missenden | 2020 |
| Ashwood House (Woking) Limited | Leatherhead | 1999 |
| Ashwood Lodge (Barnet) Management Company Limited | Barnet | 1989 |
| Ashwood Lodge (Freehold) Limited | Barnet | 1996 |
| Ashwood Lodge Management Company Limited | Potters Bar | 1987 |
| Ashwood Parade (Hall Green) Management Company Limited | York | 2010 |
| Ashwood Park Management Company Limited | Wallington | 1988 |
| Ashwood Park Residents Association (Woking) Limited | Surrey | 1991 |
| Ashwood Place (Ascot) Management Company Limited | Epsom | 2004 |
| Ashwood Residents Management Company Limited | Upham | 2018 |
| Ashwood SIX RTM Limited | High Wycombe | 2008 |
| Ashwood Vale (Buxton) Management Company Limited | Bury | 2006 |
| Ashwoods Residents Limited | Watford | 1985 |
| Ashworth Court (Radcliffe) Limited | Bury | 1994 |
| Ashworth Court Management Company Limited | Preston | 1973 |
| Ashworth Fold Limited | Rochdale | 2023 |
| Ashworth Gardens Management Limited | Oldham | 2001 |
| Ashworth House (Burnley) RTM Company Limited | Leeds | 2022 |
| Ashworth House RTM Company Limited | Henley-On-Thames | 2021 |
| Ashworth Mansions Limited | Croydon | 1990 |
| Ashworth Park Management Company Limited | Cambridge | 1988 |
| Ashworth Place (Phase 2) Management Limited | York | 2021 |
| Ashworth Villas (Bury) Management Co Ltd | Manchester | 2006 |
| ASI Property Holdings Ltd | London | 2025 |
| ASI Property Services Ltd | Slough | 2025 |
| ASI4 Limited | Falkirk | 2024 |
| Asia House (Manchester) Management Company Limited | Manchester | 2003 |
| Asia.Gaw Limited | Eastbourne | 2024 |
| Asian Property Services UK Limited | London | 2025 |
| Asian Synergy UK Limited | London | 2025 |
| Asiedua Property Group Ltd | Thornton Heath | 2024 |
| Asile Estates and Homes Ltd | Posrtmouth | 2024 |
| Asito Property Services & Management Limited | London | 2022 |
| Asix Limited | Kidlington | 1989 |
| ASJ Investment Limited | Dover | 2017 |
| ASJ Properties Group Limited | London | 2021 |
| ASK Estates Limited | London | 2012 |
| ASK Lavinia Ltd | Bristol | 2023 |
| ASK Maintenance Ltd | Pinner | 2026 |
| ASK Property Essentials Limited | Thames Ditton | 2025 |
| ASK Property Holding Limited | Wantage | 2016 |
| ASK Property Maintenance & Management Ltd | Berkhamsted | 2025 |
| ASK Property Services Ltd | London | 2024 |
| ASK Solutions Limited | Burton-On-Trent | 1998 |
| Askaj Ltd | Arbroath | 2024 |
| Askdrew Ltd | Stourbridge | 2026 |
| Askern Court Residents Association Limited | Bournemouth | 1987 |
| Askern Properties Ltd | Doncaster | 2022 |
| Askew Family Investments Limited | Guildford | 2021 |
| Askew Mansions (Management) Limited | London | 1981 |
| Askew Road Mansions Management Company Limited | Harlow | 2007 |
| Askham & Syon Lodges Management Company Limited | Southampton | 1986 |
| Askham Court Management Company Limited | Cheltenham | 2002 |
| Askham Gardens Management Company Limited | Doddington | 2017 |
| Askpm Ltd | Southall | 2026 |
| Aslakr Park Management Company Limited | Essex | 2017 |
| Aslam Property Ltd | Manchester | 2016 |