| Asap Inventory Ltd | London | 2019 |
| Asap Property Inventory and Management Ltd | Southampton | 2025 |
| Asasika Group Limited | Welwyn Garden City | 2022 |
| Asbury Grange (Handsworth Wood) Management Company Limited | Birmingham | 2021 |
| Asbury Walk Management Company Limited | Croydon | 2011 |
| ASC Rentals Ltd | Birmingham | 2024 |
| ASC UK Properties Ltd | Bolton | 2024 |
| Ascari Commercial Ltd | Caerphilly | 2025 |
| Ascend & Prosper Ltd | Belfast | 2024 |
| Ascend Management Ltd | Nottingham | 2024 |
| Ascend Property Services Limited | Milton Keynes | 2023 |
| Ascend Stays Ltd | Pontyclun | 2026 |
| Ascension Wise Ltd | Pulborough | 2024 |
| Ascent Management Company (Weybridge) Limited | Surbiton | 2002 |
| Ascham Court Management Company Limited | Bournemouth | 2004 |
| Ascham Hall Management Limited | Settle | 1989 |
| Ascham House Management Limited | York | 2008 |
| Ascham Residents Association Limited | East Sussex | 1979 |
| Ascham Road Management Limited | Cambridge | 2017 |
| Asclepieion Management Limited | London | 2020 |
| Ascot & Morgan Estate Management Limited | Leeds | 2025 |
| Ascot and Aintree Flats Limited | Thornton Cleveleys | 1973 |
| Ascot Corner Freehold Limited | Windsor | 2019 |
| Ascot Corner Management Company Limited | Windsor | 2015 |
| Ascot Court (Llandudno) Limited | Llandudno | 1981 |
| Ascot Court (Waterloo) Management Limited | Liverpool | 2008 |
| Ascot Court (Woolton) RTM Company Ltd | Liverpool | 2012 |
| Ascot Court Limited | London | 1998 |
| Ascot Court Management Co (Sunninghill) Ltd | Bagshot | 2018 |
| Ascot Court Management Company Limited | Altrincham | 1990 |
| Ascot Court Residents Company Limited | Watford | 1999 |
| Ascot Court RTM Company Limited | Bexley | 2022 |
| Ascot Developments Group Limited | Liverpool | 2008 |
| Ascot Edge Management Ltd | Watford | 2015 |
| Ascot Gardens Residents Management Company Ltd | Macclesfield | 2026 |
| Ascot House Properties Ltd | Gateshead | 2018 |
| Ascot Lodge Freehold Limited | Enfield | 2014 |
| Ascot Oaks Estate Management Company Limited | Salisbury | 2025 |
| Ascot Place (Branksome Park) Management Limited | Poole | 2020 |
| Ascot Place Facilities Ltd | Wokingham | 2006 |
| Ascot PR. Co. Ltd. | Sarisbury Green | 2004 |
| Ascot Priory Management Company Limited | Leicester | 2008 |
| Ascot Towers Limited | Ascot | 2005 |
| Ascot Wood Place Management Company Limited | Maidenhead | 1994 |
| Ascots Lettings Limited | Windsor | 2019 |
| Ascott House RTM Company Limited | Southsea | 2022 |
| ASD Retailing (Erneside) Limited | | 2008 |
| Asdl Residents Property Management Limited | London | 2007 |
| Asds Properties Limited | Sedgley | 2020 |
| Asetz Ltd | Bath | 2020 |
| ASG Properties (Manchester) Ltd | Manchester | 2013 |
| ASG Properties Limited | Dudley | 2014 |
| Asgard Property Limited | Llanidloes | 2023 |
| Asghars Property Management Limited | Ashford | 2011 |
| ASH & Co Property Ltd | Windlesham | 2022 |
| ASH Bank Management Company Limited | Eccles | 2002 |
| ASH Close (Gaydon) Management Company Limited | Gaydon | 2016 |
| ASH Close (Wymondham) Management Limited | Norwich | 2022 |
| ASH Close Management Limited | East Cowes | 1983 |
| ASH Close Road Limited | Lingfield | 2023 |
| ASH Court (Addlestone) Limited | Staines-Upon-Thames | 1987 |
| ASH Court (Balsall Common) Management Company Limited | Merry Hill | 2002 |
| ASH Court (Dovercourt) Management Limited | Clacton-On-Sea | 1987 |
| ASH Court (EG) Management Company Limited | East Grinstead | 1990 |
| ASH Court (Leighton Grove) Residents Association Limited | London | 1984 |
| ASH Court (South Woodford) Residents Association Limited | Loughton | 1961 |
| ASH Court 1234 Freehold Company Limited | Gillingham | 2026 |
| ASH Court 1234 RTM Company Ltd | Gillingham | 2021 |
| ASH Court Bishops Cleeve Management Company Ltd | Cheltenham | 2023 |
| ASH Court Burnt ASH Hill (Management) Limited | Sidcup | 1987 |
| ASH Court Freehold (Chingford) Co Limited | London | 2006 |
| ASH Court Management Company (Chingford) Limited | London | 1973 |
| ASH Court Residents Company Limited | Ashford | 2001 |
| ASH Cyber Developments Limited | Solihull | 2023 |
| ASH Estate Management Ltd | Tunbridge Wells | 2025 |
| ASH Group (London) Limited | Ickenham | 2009 |
| ASH Grove (Sudbrooke) Management Company Limited | Lincoln | 2018 |
| ASH Grove Flats Residential Management Limited | Leeds | 2004 |
| ASH Grove Flats RTM Company Limited | Ripon | 2025 |
| ASH Grove Gardens Management Co. Ltd | Cardiff | 2020 |
| ASH Grove Management (Muswell Hill) Limited | London | 2007 |
| ASH Grove Residents Management Company Limited | Leighton Buzzard | 2021 |
| ASH Heights Residents Management Company Limited | Tarporley | 2023 |
| ASH House Management Company Limited | Stevenage | 2002 |
| ASH Investment Services Ltd | Peterborough | 2024 |
| ASH Lane Management Company (I.W) Limited | Newport | 2021 |
| ASH Lane Management Ltd | Sittingbourne | 2017 |
| ASH Lodge (Poynton) Limited | Stockport | 1971 |
| ASH Lodge Close Management Company Ltd | Aldershot | 2021 |
| ASH Lodge Drive (ASH) Management Company Limited | Camberley | 2018 |
| ASH Lodge Management Limited | London | 1991 |
| ASH Lodge Residents Association Limited | Portsmouth | 1984 |
| ASH Management Limited | Nr Midhurst | 1983 |
| ASH Mews (ASH) Management Company Limited | Camberley | 2001 |
| ASH Park Close Management Company Limited | Liskeard | 2019 |
| ASH Properties Limited | Ickenham | 2009 |
| ASH R Management Ltd | Bolton | 2025 |
| ASH Road Management Company Limited | Harrogate | 1998 |
| ASH Tree Court Residents Association Limited | Kent | 1992 |
| ASH Tree Dell Management Limited | London | 1984 |