| 20 Geraldine Road Management Limited | London | 2016 |
| 20 Gironde Road Limited | | 2005 |
| 20 Gledhow Gardens RTM Company Limited | London | 2023 |
| 20 Glenrosa Street (Freehold) Limited | London | 2015 |
| 20 Glossop Road RTM Company Limited | Sanderstead | 2020 |
| 20 Gloucester Drive Limited | | 2004 |
| 20 Goodwin Road Freehold & Management Limited | London | 2021 |
| 20 Gowlett Road Freehold Limited | | 2003 |
| 20 Grange Park Limited | London | 2018 |
| 20 Grange Road Freehold Limited | London | 2022 |
| 20 Granville Road Management Company Ltd | Southport | 2019 |
| 20 Grassington Road Limited | Brighton | 2019 |
| 20 Greenbank Avenue Limited | Waterlooville | 2006 |
| 20 Greville Road Limited | London | 2024 |
| 20 Grosvenor Place Bath (Management) Limited | Croydon | 1991 |
| 20 Guildford Road Tunbridge Wells Limited | Tunbridge Wells | 2006 |
| 20 Gwendwr Road Management Company Limited | London | 2002 |
| 20 Haldon Road (Exeter) Limited | Exmouth | 1997 |
| 20 Hall Street Management Company Limited | Bristol | 2021 |
| 20 Hampden Gurney Street Limited | London | 1990 |
| 20 Hampden Road N8 Limited | London | 2021 |
| 20 Hampton Park Limited | Devizes | 1985 |
| 20 Harcourt Terrace Limited | Knutsford | 1997 |
| 20 Haringey Park, Management Company Limited | London | 1988 |
| 20 Harley Road Hampstead Management Company Limited | London | 2010 |
| 20 Hartley Road Management (Exmouth) Limited | Exmouth | 2001 |
| 20 Harvist Road Freehold Company Limited | Manchester | 2002 |
| 20 Hastings Road Residents Co. Ltd | London | 2006 |
| 20 Hawthorn Avenue (Freehold) Limited | Thornton Heath | 2021 |
| 20 Hempson Avenue Residents' Association Limited(The) | Slough | 1981 |
| 20 Henrietta Street Management Company Limited | Bath | 2018 |
| 20 Hermon Hill Residents Management Limited | London | 2016 |
| 20 High Street Corsham Limited | Corsham | 2005 |
| 20 Highbury Grove Limited | London | 2013 |
| 20 Hillingdon Road Residents Association Limited | Uxbridge | 1999 |
| 20 Hillside Gardens Freehold Limited | Seaton | 2018 |
| 20 Hilly Fields Limited | London | 2018 |
| 20 Hollybush Hill Limited | London | 2018 |
| 20 Holmdale Road (Freehold) Limited | London | 2011 |
| 20 Homefield Road (Freehold) Limited | London | 2007 |
| 20 Hormead Road Freehold Company Limited | Bournemouth | 2015 |
| 20 Hornton Street RTM Company Limited | London | 2013 |
| 20 Hudds Hill Road Bristol Management Company Limited | Weymouth | 2019 |
| 20 Hughenden Road Management Limited | Congleton | 1990 |
| 20 Hurle Crescent Management Limited | Bristol | 1980 |
| 20 Kellett Road London SW2 1EB Freehold Limited | | 2000 |
| 20 Kenilworth Road Management Ltd. | Leamington Spa | 2015 |
| 20 Kensington Court Management Company Limited | Kensington | 1984 |
| 20 Kensington Place (Bath) Limited | Croydon | 1993 |
| 20 Kent House Road Management Company Limited | Leigh-On-Sea | 2020 |
| 20 Kenwyn Road Limited | London | 2008 |
| 20 Kidbrooke Grove Limited | London | 1967 |
| 20 Lady Somerset Road Residents Company Limited | London | 1992 |
| 20 Lambert Road Freehold Limited | Enfield | 2011 |
| 20 Lansdowne Place (Hove) Limited | Hove | 2004 |
| 20 Larkfield Road Limited | Herts | 2008 |
| 20 Lawrence Road Hove Limited | | 2006 |
| 20 Leander Ltd | Rochdale | 2019 |
| 20 Lechmere Road Limited | London | 2010 |
| 20 Lennox Gardens Management Company Limited | London | 1996 |
| 20 Linden Gardens Management Limited | Great Sutton | 1982 |
| 20 London Road Management Company Limited | Gloucester | 1982 |
| 20 Longridge Road RTM Company Limited | Hereford | 2005 |
| 20 Lowndes Square Management Company Limited | London | 1984 |
| 20 Lunham Road Property Management Limited | Tunbridge Wells | 2011 |
| 20 Lupus Street Management Company Limited | London | 1982 |
| 20 Maclise Road Management Company Limited | London | 1999 |
| 20 Malden Crescent (Freehold) Ltd | London | 2013 |
| 20 Manor Avenue Company Limited | Orpington | 2013 |
| 20 Manor Park SE13 RTM Company Limited | Ashford | 2013 |
| 20 Manor Road Management Limited | Epsom | 1998 |
| 20 Manor Road, Salisbury Management Company Limited | Salisbury | 1988 |
| 20 Margravine Gardens Limited | London | 2003 |
| 20 Marina Limited | St Leonards On Sea | 2020 |
| 20 Marine Parade Clevedon Management Limited | Clevedon | 1986 |
| 20 Marine Terrace RTM Company Ltd | Aberystwyth | 2026 |
| 20 Marlborough Buildings (Bath) Management Limited | Bath | 1988 |
| 20 Marloes Road Limited | London | 2010 |
| 20 Marsh Lane Stanmore Management Limited | Stanmore | 1988 |
| 20 Melrose Freehold Limited | London | 2020 |
| 20 Merton Hall Road RTM Company Limited | Harlow | 2015 |
| 20 Messina Avenue Limited | London | 2023 |
| 20 Milton Road Limited | | 2004 |
| 20 Mirabel Management Limited | London | 2017 |
| 20 Montpellier Spa Road Limited | London | 2018 |
| 20 Moorfield Road Management Limited | Manchester | 2007 |
| 20 Moring Road Management Company Limited | Berkhamsted | 1995 |
| 20 Mortimer Road Freehold Limited | Lymington | 2026 |
| 20 Morton Crescent Management (Exmouth) Limited | Devon | 2007 |
| 20 Morton Road (Exmouth) Limited | Exmouth | 2023 |
| 20 Mount View Road RTM Company Limited | Luton | 2011 |
| 20 MPT (Management) Limited | Wells | 2021 |
| 20 Museum Street IP Management Ltd | Ipswich | 2025 |
| 20 Napier Road Management Company Limited | Luton | 2007 |
| 20 Napier Terrace Management Company Ltd | Yelverton | 2013 |
| 20 Narcissus Road Management Company Limited | London | 2011 |
| 20 New Cavendish Street Limited | London | 2001 |
| 20 Ninian Road Limited | | 2004 |
| 20 North Street Limited | Fareham | 2006 |
| 20 Northgate Street Management Company Limited | Devizes | 1991 |