| Abigail Valley Ltd | South Shields | 2024 |
| Abingdon Close Management Limited | Bromley | 1962 |
| Abingdon Court (Tenants) Kensington Limited | Maidstone | 1970 |
| Abingdon Court Farm Management Limited | Swindon | 2001 |
| Abingdon Court Management Company Limited | Croydon | 2003 |
| Abingdon Gardens Management Limited | Maidstone | 1963 |
| Abingdon Lodge (Barnet) Co. Limited | Barnet | 1995 |
| Abingdon Mansions (11/42) Limited | London | 2002 |
| Abingdon Residents Company Limited | Abingdon | 2005 |
| Abingdon Road Freehold Limited | London | 2022 |
| Abingdon Road Management Company Limited | Wantage | 2016 |
| Abinger Court Residents (Uxbridge) Limited | Sudbury | 2005 |
| Abinger RTM Company Limited | London | 2026 |
| Abington Colnbrook Management Company Limited | Slough | 1980 |
| Abington Court Residents Company Limited | Northampton | 1985 |
| Abington Court RTM Company Limited | Chelmsford | 2004 |
| Abington Estate Management Limited | Cambridge | 1985 |
| Abington Flat Management Company Limited | Barnet | 1983 |
| Abington Grove Management Company Limited | Northampton | 2008 |
| Abington Park House Management Company Limited | Croydon | 1975 |
| Abingworth Meadows Management Company Limited | Windsor | 2015 |
| Abis Management & Maintenance Ltd | Leicester | 2019 |
| Abisla Property Ltd | Peterborough | 2019 |
| Abitar Properties Limited | Carterton | 2017 |
| Abito Management Company Greengate Limited | Manchester | 2006 |
| Abkm Properties Limited | East Boldon | 2024 |
| ABL National Relocations Ltd | Rayleigh | 2018 |
| Ablebay Limited | Kent | 2001 |
| Ablebeck Limited | Bristol | 1982 |
| Ablemead Limited | Stockport | 1989 |
| Ablerent Limited | Basingstoke | 1989 |
| Ablington Management Company Limited | Cheltenham | 2011 |
| ABM Inventory Limited | London | 2016 |
| Abmark Ltd | Colchester | 2011 |
| Abnercare Properties Ltd | Macclesfield | 2022 |
| Abney Court Freehold Limited | London | 2008 |
| Abney Mews Management Company Limited | Hemel Hempstead | 2012 |
| Abney Park Court RTM Company Limited | London | 2009 |
| Abney Place (Cheadle) Management Company Limited | Altrincham | 2007 |
| Abney Place Management Company Limited | London | 2002 |
| Abode (Hemel Hempstead) Management Limited | London | 2006 |
| Abode Lettings and Property Services Ltd | Middlesbrough | 2024 |
| Abode Management Company (Bedminster) Limited | New Milton | 2016 |
| Abode Nationwide Properties Limited | Rochdale | 2016 |
| Abodebee Limited | Coventry | 2018 |
| Abodefix Ltd | London | 2025 |
| Abodes Online Limited | Welling | 2020 |
| Abot & Co Limited | London | 2025 |
| Abounding Enterprises Limited | | 1992 |
| Above ALL Garden Maintenance Limited | Gillingham | 2023 |
| Aboveboard Homes Ltd | Edinburgh | 2019 |
| Abovechance Limited | Northamptonshire | 1992 |
| Aboyne Drive RTM Company Limited | London | 2005 |
| Aboyne Mews Management Limited | Tamworth | 1985 |
| ABR Family Properties Ltd | Oldham | 2025 |
| Abra RTM Company Limited | London | 2022 |
| Abragold Limited | Hove | 2001 |
| Abrahams Court (Upminster) Management Co. Limited | Hoddesdon | 1999 |
| Abrahams Quay (Whitby) Limited | Scarborough | 1998 |
| Abrahim Housing Ltd | Birmingham | 2020 |
| Abram House RTM Company Limited | London | 2026 |
| Abrams Way Residents Limited | Southampton | 2015 |
| Abraway Limited | Hove | 2001 |
| Abroadacre Limited | Kent | 2000 |
| Abrook Court RTM Company Limited | London | 2023 |
| Absara Ltd | Walsall | 2024 |
| Abshot Manor Apartments Limited | Southampton | 2010 |
| Absolute Invest Limited | Bolton | 2020 |
| Absolute Key Management Ltd | Bridgnorth | 2026 |
| Absolute Plumbing and Maintenance Limited | Middlesbrough | 2018 |
| Absolute Property Group Ltd | London | 2026 |
| Absolute Property Maintenance Ltd | Uxbridge | 2023 |
| Absolute Property Solutions Ltd | Westgate-On-Sea | 2018 |
| Absolutely Property Investments Ltd | Banstead | 2021 |
| Abumayah & Brothers Ltd | London | 2026 |
| Abyssinia Court Management Company Limited | Barnstaple | 1988 |
| AC & GS Management Limited | Chertsey | 2018 |
| AC Property Kingsbury Ltd | London | 2025 |
| AC Property Lettings Ltd | Manchester | 2025 |
| AC Southsea Management Ltd | Southsea | 2023 |
| AC Suites Ltd | London | 2025 |
| Ac&N Property Ltd | London | 2017 |
| ACA Property Maintenance Ltd | Malton | 2023 |
| Acacia Block a Management Limited | London | 1987 |
| Acacia Block B Management Limited | Nuneaton | 1987 |
| Acacia Block C Management Limited | London | 1987 |
| Acacia Block D Management Limited | London | 1987 |
| Acacia Capital Management Ltd | Cambridge | 2017 |
| Acacia Court Freehold Limited | Christchurch | 2006 |
| Acacia Court Limited | Shoreham-By-Sea | 1997 |
| Acacia Court Management Co. Limited | Cambridge | 1984 |
| Acacia House and Garden Mews Worthing Ltd. | Worthing | 2021 |
| Acacia House Management Company Limited | Gerrards Cross | 1983 |
| Acacia House, Acacia Mews Limited | Windsor | 1997 |
| Acacia Mews Management Limited | Windsor | 1986 |
| Acacia Park Residents Management Company Limited | Colchester | 2012 |
| Acacia Property Company Limited | Hayes | 1989 |
| Acacia Road (Mitcham) Management Company Limited | Dorking | 1989 |
| Acacia Terrace (Management Company) Limited | Grimsby | 2012 |
| Acacia Villas Freeholders Limited | Milton Keynes | 1999 |