| Allied Aberavon Ltd | London | 2022 |
| Allied Mayfair Properties Limited | Leeds | 2016 |
| Allim Ltd | London | 2020 |
| Allin House (Maldon) Management Company Limited | Maldon | 2017 |
| Allinam Management Company Limited | Bristol | 1979 |
| Allingham Close Management Company Limited | Tonbridge | 2020 |
| Allingham Court Management Limited | London | 2008 |
| Allingham Meadow Limited | Guildford | 2022 |
| Allington House Right to Manage Company Limited | Ashford | 2025 |
| Allington Lane Ltd | Eastleigh | 2025 |
| Allington Management Company Limited | Reading | 2009 |
| Allington Place Management Company Limited | Lewes | 2006 |
| Allingtons Residents Company Limited | Croydon | 2006 |
| Allis Mews (6-13) RTM Company Limited | Harlow | 2023 |
| Allisend Limited | Victoria | 1979 |
| Allison Court (Swindon) Management Limited | Swindon | 1996 |
| Allison Freehold Limited | Norwich | 2024 |
| Allison Heights RTM Company Limited | Norwich | 2020 |
| Allison House Limited | Henley On Thames | 1998 |
| Allisons Farm Management Company Limited | Attleborough | 2022 |
| Allitsen (Management Company) Limited | Altrincham | 1994 |
| Allium House RTM Company Limited | Purley | 2024 |
| Allium Park Management Company Limited | Brentwood | 2022 |
| Allium Way Management Company Limited | King'S Lynn | 2025 |
| Allivale Limited | London | 2006 |
| Allmand Freehold Company Limited | London | 2025 |
| Allmand RTM Company Limited | Maidstone | 2021 |
| Allocate Property Group Ltd | Southampton | 2025 |
| Allorders Cleaning Ltd | London | 2026 |
| Allpoint Management Limited | Greenford | 2025 |
| Allport Mews (London) Management Limited | London | 2010 |
| Allres Ltd | London | 2023 |
| Allscott Meads Management Company Limited | Shrewsbury | 2020 |
| Allsop Place Management Limited | Croydon | 2010 |
| Allsquare Property Ltd | Bromsgrove | 2025 |
| Allt WEN Residents Association Limited | St. Asaph | 2022 |
| Allt Y Celyn (Rhos) Management Company Limited | York | 2016 |
| Allt-Yr-Yn Court & Crescent Residents Association Limited | Bristol | 2018 |
| Allula Ltd | Cambridge | 2020 |
| Allum Lane (Borehamwood) Management Company Limited | Waltham Cross | 2012 |
| Allure Suites Ltd | London | 2025 |
| ALM Breedon Properties Limited | Spalding | 2022 |
| ALM Place Management Company Limited | Weymouth | 2014 |
| Alma Close Residents Company Limited | Bourne End | 1998 |
| Alma Court (Southport) Limited | Wirral | 1974 |
| Alma Court (Taunton) Management Company Limited | Torquay | 2008 |
| Alma Court Management Company Limited | Wokingham | 1972 |
| Alma Court Residents Limited | Potters Bar | 1996 |
| Alma Drive Leaseholders Limited | Chelmsford | 2003 |
| Alma Estate (Enfield) Management Company Limited | Brentwood | 2017 |
| Alma House (Bournemouth) Limited | Bournemouth | 2000 |
| Alma House (Exmouth) Ltd | Exmouth | 2017 |
| Alma House (Mountfields) Limited | Wolverhampton | 2008 |
| Alma House and Home Farm Management Limited | Newent | 1989 |
| Alma Lane Management Company Limited | Surrey | 1996 |
| Alma NW Limited | Manchester | 2018 |
| Alma Place Resident's Company Limited | London | 2021 |
| Alma Road (Banbury) RTM Company Ltd | Banbury | 2012 |
| Alma Road (Brixham) Flats Management Limited | Exeter | 1981 |
| Alma Road (Cheltenham) Management Company Limited | Bristol | 2025 |
| Alma Road Freehold Limited | Bournemouth | 2007 |
| Alma Road Management Company Limited | Croydon | 1983 |
| Alma Road Property Management Company Limited | Nottingham | 2009 |
| Alma Terrace Management Company Limited | York | 2004 |
| Almanac House Management Company Limited | Leatherhead | 1997 |
| Almat Group Ltd | Bedford | 2024 |
| Almay Getaway Limited | Leatherhead | 2026 |
| Almeca Flats Management Limited | Luton | 2002 |
| Almeida Residents Limited | | 1986 |
| Almodington Meadow Ltd | Chichester | 2023 |
| Almond Brook Management Company Limited | Manchester | 2007 |
| Almond Brook Management Company NO 2 Ltd | Preston | 2007 |
| Almond Close Residents Company Limited | Watford | 2019 |
| Almond Court Management (Southampton) Limited | Hoddesdon | 1985 |
| Almond House (Edenbrook) Management Company Limited | Guildford | 2021 |
| Almond House Limited | Basildon | 1990 |
| Almond Management Limited | Glasgow | 2017 |
| Almond Properties Newcastle Limited | Newcastle Upon Tyne | 2019 |
| Almond Way Residents Association Limited | Princes Risborough | 1989 |
| Almondale Court Property Limited | Upham | 2001 |
| Almonds - Penstar (Yaxley) Limited | Stamford | 2021 |
| Almoners Field Management Company Limited | Bury St Edmunds | 2012 |
| Almora House Management Company Limited | Newport | 2002 |
| Alms Close Apartments Limited | Gloucester | 2013 |
| Alms Meadow (Etwall) Management Limited | New Milton | 2016 |
| Almsford Court Maintenance Limited | Harrogate | 1989 |
| Almshouse Estate Management Company Limited | Ilford | 2022 |
| Almshouse Road Management Company Limited | Coleford | 2014 |
| ALN Estates Management Ltd | Newmarket | 2025 |
| Alne Mews (Management Company) Limited | Leeds | 1998 |
| Alness RD Management Ltd | Manchester | 2026 |
| Alnmouth Properties Limited | Alnwick | 1964 |
| Alnwick House Development Limited | Whitley Bay | 2005 |
| Alnwick House Limited | Altrincham | 2007 |
| Alonzhomes Property Management Ltd | London | 2023 |
| Alonzo Place Management Company Limited | Bristol | 2015 |
| ALPARSLAN26 Limited | Reading | 2026 |
| Alpenfels Limited | Leigh Woods | 1967 |
| Alpha & Omega Property Management Limited | London | 2019 |
| Alpha (Bodmin) Management Company Limited | New Milton | 2007 |