| Avebury Management Company Limited | Fleet | 1997 |
| Avebury Mews Management Company (Number 2) Limited | Malmesbury | 2005 |
| Avebury Mews Management Company (Number 3) Limited | Calne | 2005 |
| Avebury Mews Management Company (Number 4) Limited | Surrey | 2005 |
| Avebury Mews Management Company (Number 5) Limited | Calne | 2005 |
| Avecombe Limited | London | 1986 |
| Avedis (Ruislip) Management Company Limited | Hemel Hempstead | 2016 |
| Aveley Court (Farnham) Management Company Limited | London | 2017 |
| Aveley House Management Limited | Farnham | 1989 |
| Aveley Village (Aveley) Residents Management Company Limited | Beaumont | 2017 |
| Aveley Village (Thurrock) Management Company Limited | Croydon | 2013 |
| Aveline Court Management Limited | Leighton Buzzard | 2000 |
| Aveline House Limited | London | 2024 |
| Avenall Court Management (Cheltenham) Limited | Stoke Gifford | 2002 |
| Avenay Court Freeholders Limited | Folkestone | 2019 |
| Avencourt Management Limited | Banbury | 1989 |
| Avendeo Property Lettings Ltd | London | 2018 |
| Avenel Court RTM Company Limited | Swindon | 2012 |
| Avenfield Freehold Ltd | London | 2025 |
| Avenfield Holdings Limited | Leicester | 2026 |
| Aveniqo Ltd | Birmingham | 2026 |
| Avenside Ltd | Liverpool | 2001 |
| Aventic Group Ltd | Mildenhall | 2024 |
| Aventine Court Management Company Limited | St Albans | 2004 |
| Aventura Estates Ltd | Park Nuneaton | 2005 |
| Aventus Property Management Ltd | Darlington | 2025 |
| Aventus Void Property Services Ltd | Manchester | 2025 |
| Avenue & Park Lodge Residents Association Limited | Romford | 1977 |
| Avenue a Developments Ltd | Glasgow | 2025 |
| Avenue Close Tenants Association Limited | London | 1981 |
| Avenue Court (Branksome) Limited | London | 1965 |
| Avenue Court (Christchurch) Management Limited | Christchurch | 2004 |
| Avenue Court (Hove) Freeholders Limited | Brighton | 1999 |
| Avenue Court (ST Georges) Management Company Limited | Bristol | 2003 |
| Avenue Court (Tadworth) Management Company Limited | Reading | 1989 |
| Avenue Court Branksome Freehold Limited | London | 2024 |
| Avenue Court Freehold Limited | London | 2023 |
| Avenue Court Limited | Redhill | 2007 |
| Avenue Court Management Company (Torquay) Limited | Torquay | 2011 |
| Avenue CT (Property Management) Limited | Ipswich | 2024 |
| Avenue Elmers Management Company Limited | Woking | 1989 |
| Avenue Forty Two Limited | Poole | 1976 |
| Avenue Gardens Management Company Limited | Derby | 2007 |
| Avenue Hall Freehold Limited | London | 2010 |
| Avenue Hall Residents RTM Company Limited | London | 2004 |
| Avenue Heights (Surbiton) Management Company Limited | Hoddesdon | 2005 |
| Avenue Heights Management Company Limited | Crowthorne | 2002 |
| Avenue House (Belsize Park Gardens) Limited | London | 1977 |
| Avenue House (Chesham) Management Limited | Chesham | 1978 |
| Avenue House (Petersfield) Management Company Limited | Horndean | 1977 |
| Avenue House (Swanage) Management Company Limited | Swanage | 1991 |
| Avenue House Hadley Wood Ltd | London | 2023 |
| Avenue House Management Company Limited | Caversham | 1983 |
| Avenue LE Fleche Management Ltd | Chippenham | 2023 |
| Avenue Lodge (Hunstanton) Limited | | 2000 |
| Avenue Lodge RTM Company Limited | Grays | 2011 |
| Avenue Mansions Freehold Limited | London | 2006 |
| Avenue Mansions Limited | London | 1982 |
| Avenue Mansions Management RTM Company Limited | Eastbourne | 2009 |
| Avenue Park Road Management Limited | | 1988 |
| Avenue Residential Management Company Limited | Bicester | 2007 |
| Avenue Road (Banstead) Residents Management Company Limited | Croydon | 2005 |
| Avenue Road (Rugby) Management Limited | Hannington | 2016 |
| Avenue Road Cobham Residents Association Limited | Cobham | 2001 |
| Avenue Road Flat Management Limited | Chelmsford | 2024 |
| Avenue Road Freehold Limited | Beaconsfield | 2011 |
| Avenue Road Limited | London | 2023 |
| Avenue Road Management Company (Harold Wood) Limited | Romford | 2001 |
| Avenue Road Management Company Limited(The) | Dunstable | 1980 |
| Avenue Road N6 Freehold Limited | London | 2024 |
| Avenue Road Property Management Ltd | Carrickfergus | 2003 |
| Avenue Road Residents Limited | London | 2011 |
| Avenue Road Wymondham (Management) Limited | Norwich | 2003 |
| Avenue Sixty Limited | Surbiton | 2016 |
| Avenue Terrace Management Company Limited | Stockport | 1989 |
| Avenue Victoria Flats Management Company Limited | Scarborough | 2003 |
| Avergo Enterprises Ltd | Wilden | 2024 |
| Averil Grove Estate Limited(The) | Bromley | 1964 |
| Averill Court Management Company Limited | Clevedon | 2014 |
| Averill Solutions Ltd | St. Albans | 2026 |
| Aversley Grange Management Company Limited | Peterborough | 2026 |
| Avery Close (Beckenham) Management Company Limited | Bromley | 2017 |
| Avery Close Management Company Ltd | Plymouth | 2023 |
| Avery Court (Oxford) Management Company Limited | Kidlington | 1997 |
| Avery Court Management Company Limited | Farnborough | 1989 |
| Avery Down (Hither Green) Management Co. Limited | Marden | 1995 |
| Avery Drive Management Company Limited | Redhill | 2019 |
| Avery Fields (Birmingham) Management Company Limited | Southend-On-Sea | 2016 |
| Avery Fields Property Management Limited | Upham | 2004 |
| Avery Group Ltd | Wrexham | 2018 |
| Avery Heights (Eltham) Management Company Limited | Croydon | 2013 |
| Avery Hill Residents Management Company Limited | Birmingham | 2016 |
| Avery Plus Investments Ltd | Doncaster | 2026 |
| Avery Village Management Limited | Croydon | 1999 |
| Averyhome Limited | | 2000 |
| Aviana Limited | Harrow | 2025 |
| Aviary House RTM Company Limited | Cambridge | 2020 |
| Aviary Management (Tilehurst) Limited | Cambridge | 1981 |
| Aviation House (Farnborough) Residents Management Company Limited | Fleet | 2015 |
| Aviator Court Management Limited | Harrogate | 1998 |