| ALL Problem Solutions Limited | London | 2025 |
| ALL Saints (Eastbourne) Management Company Limited | Croydon | 2007 |
| ALL Saints (Orrell Street) RTM Company Limited | Bury | 2018 |
| ALL Saints 2009 (Management Company) Limited | Exeter | 2009 |
| ALL Saints Avenue Margate Management Company Limited | Broadstairs | 2005 |
| ALL Saints Barns (Management Company) Limited | King'S Lynn | 2024 |
| ALL Saints Church Swanscombe Limited | Dartford | 2004 |
| ALL Saints Court (Bristol 2) Management Company Limited | Sutton | 2022 |
| ALL Saints Court (Clifton) Management Company Limited | Bristol | 1968 |
| ALL Saints Court (Didcot) Freehold Company Limited | Farnham | 2006 |
| ALL Saints Court (Didcot) Management Company Limited | Farnham | 1987 |
| ALL Saints Court Ilkley (14-37) Management Co Ltd | Leeds | 2012 |
| ALL Saints Court Limited | Gloucester | 2003 |
| ALL Saints Court Management Company Limited | Settle | 2006 |
| ALL Saints Court Residents Association Limited | Cheltenham | 1965 |
| ALL Saints Court RTM Company Limited | Taunton | 2006 |
| ALL Saints Gardens Management Company Limited | Reading | 2006 |
| ALL Saints Gardens Residents Company Limited | Rochester | 2002 |
| ALL Saints Green Residents Management Company Limited | London | 2022 |
| ALL Saints Management (Maldon) Limited | Maldon | 2019 |
| ALL Saints Management Company Limited | Bromsgrove | 2004 |
| ALL Saints Mansions Limited | Clifton | 1987 |
| ALL Saints Mews Residents Association Limited | Grantham | 1990 |
| ALL Saints Place Management Company Limited | Stamford | 2014 |
| ALL Saints Property Management Company Limited | Nottingham | 1990 |
| ALL Saints Resident Management Company Limited | Ewloe | 2021 |
| ALL Saints Residents (Maidenhead) Limited | Crowthorne | 1972 |
| ALL Saints RTM Company Ltd | Bury | 2018 |
| ALL Saints Students Ltd | Altrincham | 2013 |
| ALL Saints View Management Company Limited | Loughborough | 2014 |
| ALL Seasons Property Maintanance Limited | Newport | 2024 |
| ALL Seasons Trading Ltd | Glasgow | 2022 |
| ALL the Best Property Management Services Ltd | Bromley | 2026 |
| ALL the Broads Management Company Limited | Warmley | 2020 |
| ALL Things Property 24 Ltd | Manchester | 2025 |
| ALL Things Property 247 Limited | Manchester | 2025 |
| ALL Work Limited | Hatfield | 2010 |
| Alla Domestics Ltd | Braintree | 2003 |
| Allan Court RTM Company Limited | Haslemere | 2011 |
| Allan House RTM Company Limited | London | 2025 |
| Allan's Property Company Limited | Ramsgate | 2009 |
| Allanbridge Residents Association Limited | London | 1991 |
| Allandale House (Leicester) Limited | Leicester | 1977 |
| Allanfield Grove (Wetherby) Management Company Limited | Wetherby | 2021 |
| Allard Way Coventry Residents Management Company Limited | Warwick | 2024 |
| Allberry Gardens Limited | Weymouth | 1996 |
| Allbreeze Limited | Oxford | 2013 |
| Allbrook Farm Management Limited | Eastleigh | 2013 |
| Allbrook House Limited | Watford | 2018 |
| Allbrook Meadow Management Limited | Southampton | 2015 |
| Allbrook View Management Limited | Hoddesdon | 2013 |
| Allcall Group Ltd | Manchester | 2020 |
| Allcall Services Ltd | Manchester | 2022 |
| Allcart Properties Ltd | Rugeley | 2025 |
| Allcet Ltd | London | 2016 |
| Allchurch&Sons Ltd | Exmouth | 2025 |
| Allcoat House Freehold Limited | Southend On Sea | 2016 |
| Allegra Developments Ltd | Manchester | 2026 |
| Allegria Court Management Company Limited | Seaford | 2008 |
| Allen Esra Property Cheshire Limited | Congleton | 2024 |
| Allen Gardens Management Company Limited | Barnsley | 2002 |
| Allen Gardiner's House Management Limited | Marden | 2000 |
| Allen Home Management Ltd | Southampton | 2017 |
| Allen House Management Limited | Haywards Heath | 2013 |
| Allen House Park Management Company Limited | Woking | 1988 |
| Allen House Residents Management Company Limited | Cambridge | 2023 |
| Allen Mansions Limited | Maidstone | 1984 |
| Allen Road Management Company Limited | Sunbury-On-Thames | 2017 |
| Allenby Court Management Limited | Poole | 2023 |
| Allenby House Management Limited | London | 1975 |
| Allenby Maintenance Limited | Bath | 1986 |
| Allendale Flats Limited | Bristol | 1978 |
| Allenfare Ltd | Surbiton | 2008 |
| Aller Gardens Management Ltd | Plymouth | 2021 |
| Aller Road Management Limited | Plymouth | 2022 |
| Allerburn Manor (Alnwick) Management Company Limited | Ashington | 2023 |
| Allerdale Management Limited | Bristol | 1980 |
| Allerds Way (Farnham Royal) Management Company Limited | Farnham Royal | 2017 |
| Allerford Farm Barns Management Limited | Okehampton | 2008 |
| Allerford Management Company Limited | Watford | 2007 |
| Allerston Court Residents Association Limited(The) | Pickering | 1980 |
| Allerton Bywater Management Company Limited | Darlington | 2006 |
| Allerton Gardens Residents Management Company Limited | Flintshire | 2019 |
| Allerton Gate Management Company Limited | Derby | 2025 |
| Allerton Hall Flats (Maintenance) Limited | Leeds | 1982 |
| Allerton Hall Management Company Limited | Leeds | 2004 |
| Allerton House Management (Leeds) Limited | Salisbury | 2018 |
| Allerton Place Management Company Limited | Hoddesdon | 2016 |
| Allerton Priory Freeholders Limited | Liverpool | 2010 |
| Allerton Priory Management Company Limited | Liverpool | 2002 |
| Allerton Priory Residents Association Limited | Harlow | 2002 |
| Allesley Grange Management Company Limited | Henley-In-Arden | 2007 |
| Alleyn Court Management Company Limited | Exmouth | 1990 |
| Allhallows Honiton Management Company Limited(The) | Sidmouth | 1982 |
| Alliance (Cambridge) Property Holding and Management Company Limited | Royston | 1981 |
| Alliance Court (Ashford) Management Company Limited | Egham | 1982 |
| Alliance Court Ltd | Stevenage | 2016 |
| Alliance in Property Limited | Slough | 2020 |
| Alliance Property Consultant Limited | Oldham | 2022 |
| Alliance Property Investors Limited | Stockton Heath | 2021 |