| 40 Market Place South Management Limited | Ripon | 2021 |
| 40 Maxwell Road Management Company Limited | London | 2003 |
| 40 Medina Villas (Hove)Limited | Hove | 2007 |
| 40 Meeching Road Management Company Ltd | Newhaven | 2020 |
| 40 Methuen Park Management Company Ltd | London | 2017 |
| 40 Milton Street RTM Company Limited | London | 2019 |
| 40 Miskin Road (Dartford) Ltd | Dartford | 2026 |
| 40 Molyneux Park Road Management Company Limited | Tunbridge Wells | 1997 |
| 40 Moore Park Road Management Company Limited | London | 2003 |
| 40 Mountview Road Freeholders Limited | London | 1999 |
| 40 Mulgrave Freeholders Limited | Sutton | 2018 |
| 40 Oakley Ltd | Ross-On-Wye | 2013 |
| 40 Offley Road Freehold Limited | London | 2015 |
| 40 Old Street Ltd | Ashton-Under-Lyne | 2024 |
| 40 Ongar Road Management Company Limited | London | 2021 |
| 40 Orchard Avenue Limited | Shirley | 2017 |
| 40 Overstone Road Management Company Limited | London | 2009 |
| 40 Palace Road Management Limited | London | 1995 |
| 40 Park Road (Management Company) Limited | St Annes | 2008 |
| 40 Patshull Road Ltd | London | 2021 |
| 40 Perham Road Limited | London | 2006 |
| 40 Petherton Road Ltd | London | 2016 |
| 40 Philbeach Gardens Limited | London | 1988 |
| 40 Pier Road RTM Company Limited | Maidstone | 2013 |
| 40 Portland Road Management Limited | Aberystwyth | 2023 |
| 40 Preston Park Avenue (Freeholders) Limited | Brighton | 2001 |
| 40 Pstreet Limited | Gravesend | 2023 |
| 40 Putney Hill Limited | Kingston Upon Thames | 2003 |
| 40 Queens Avenue RTM Company Limited | London | 2006 |
| 40 Queens Road Freehold Limited | Weybridge | 2012 |
| 40 Regina Road Management Company Limited | | 2000 |
| 40 Rossiter Road Freehold Limited | London | 2008 |
| 40 Royal York Crescent Management Company Limited | Bristol | 1992 |
| 40 Ryders Terrace Management Company Limited | London | 1992 |
| 40 Sackville Gardens Limited | Hove | 2008 |
| 40 Sackville Road Hove Limited | Brighton | 2010 |
| 40 Saltoun Road Freehold Company Limited | London | 2012 |
| 40 Santley Street Management Company Limited | | 2005 |
| 40 Sea Street RTM Company Limited | Herne Bay | 2019 |
| 40 Seymour Road Management Limited | Bristol | 1988 |
| 40 Sloane Court West Management Company Limited | London | 2007 |
| 40 Spalding Way Management Company Limited | Cambridge | 2017 |
| 40 ST John's Lane Property Management Limited | | 2002 |
| 40 ST Julians Farm Road Limited | London | 2025 |
| 40 ST Peters Ltd | Croydon | 2012 |
| 40 ST Stephen's Gardens Limited | London | 1996 |
| 40 ST. Leonards Road, Bexhill Limited | Hove | 1996 |
| 40 ST. Thomas Street Management Limited | Weymouth | 2012 |
| 40 Stanford Avenue Ltd | Brighton | 2004 |
| 40 Stanhope Gardens (Freehold) Limited | | 2004 |
| 40 Stanley Road Management Company Limited | Wirral | 2026 |
| 40 Sussex Place Management Ltd | Bristol | 2024 |
| 40 Sutherland Avenue Freehold Limited | Radlett | 2017 |
| 40 Sutton Drove Ltd | Seaford | 2024 |
| 40 Thame Road Management Limited | Leighton Buzzard | 2013 |
| 40 Thicket Road Management Company Limited | Anerley London | 1996 |
| 40 Thorne Road Limited | Doncaster | 2008 |
| 40 Thornfield Management Limited | London | 2015 |
| 40 Titian Road Limited | Hove | 2018 |
| 40 Tivoli Crescent Limited | Brighton | 1999 |
| 40 to 44A Vale Road Management Company Limited | Pinner | 2022 |
| 40 Tregunter Road Limited | London | 1998 |
| 40 Trewsbury RD Ltd | London | 2021 |
| 40 Ulverston Road Limited | London | 1991 |
| 40 Ventnor Villas Management Limited | Hove | 1997 |
| 40 Victoria Road (Kingston) Residents Association Limited | Kingston Upon Thames | 1980 |
| 40 Warren Drive Limited | Merseyside | 1989 |
| 40 Warrington Crescent Limited | Brookmans Park | 2000 |
| 40 Warwick Avenue Limited | London | 1983 |
| 40 Waterford Road SW6 Limited | London | 2019 |
| 40 Wellington Terrace Clevedon Management Co. Limited | North Somerset | 1991 |
| 40 Wellwood Road RTM Company Ltd | Nuneaton | 2016 |
| 40 Weltje Road Management Company Limited | London | 2013 |
| 40 West Street Residents Management Company Limited | Leighton Buzzard | 2015 |
| 40 Westbourne Terrace Limited | London | 1999 |
| 40 Westmoreland Road Management Co. Ltd | Bromley | 2007 |
| 40 Wilton Road (Bexhill on Sea) Ltd | Bexhill-On-Sea | 2004 |
| 40 Woodcote (Coulsdon) Limited | Coulsdon | 2021 |
| 40 Woodstock Road Limited | London | 2009 |
| 40 Yonge Park Limited | London | 2008 |
| 40 York Street Management Company Limited | | 1994 |
| 40, Colewood Road Management Limited | Whitstable | 2011 |
| 40, Lexham Gardens Management Limited | | 1978 |
| 40-42 Beverley Crescent Limited | Bedford | 2004 |
| 40-42 Leeds Road Limited | Harrogate | 2017 |
| 40-42 Manor Road Management Ltd | Wirral | 2025 |
| 40-42 Ramsay Road Limited | | 2002 |
| 40-43 Fairhaven Court RTM Company Limited | Bristol | 2023 |
| 40-43 MPW Management Company Ltd | Hampshire | 2001 |
| 40-46 Leaford Crescent Freehold Company Limited | Watford | 2019 |
| 40-48 Beaconsfield Ltd | Telford | 2021 |
| 40-48 Brighton Road (Surbiton) Limited | Surbiton | 2025 |
| 40-55 Providence Park Residents Company Limited | Southampton | 2013 |
| 40-66 Chapel Fields RTM Company Limited | Salisbury | 2022 |
| 40/40A Foxgrove Road(Beckenham)Flat Maintenance Limited | Bromley | 1971 |
| 40/41 Compton Road Residents Association Limited | London | 1996 |
| 40/42 Burdon Terrace Management Company Limited | Newcastle Upon Tyne | 1975 |
| 40/42 Clarendon Road Management Limited | Bristol | 1986 |
| 40/42 Cranley Gardens Management Limited | Swindon | 1996 |
| 40/42 Harcourt Limited | Chesham | 2002 |