| 15 the Ridgeway Tenants Association Limited | London | 1997 |
| 15 the Underwood Limited | London | 2025 |
| 15 Third Avenue PB Limited | Hove | 2022 |
| 15 Third Avenue Rentals Limited | Hove | 2023 |
| 15 Thorney Hedge Road Residents Limited | London | 1996 |
| 15 Tivoli Place Freehold Limited | Ilkley | 2026 |
| 15 to 17 Mersey Road Ltd | London | 2023 |
| 15 Totland Road RTM Company Limited | Brighton | 2009 |
| 15 Trevelyan Road Management Company Limited | London | 2018 |
| 15 Treyew Road Management Company Limited | Truro | 2017 |
| 15 Union Street Limited | Barnet | 2016 |
| 15 Upper Bridge Road Residents Limited | London | 2018 |
| 15 Vernon Terrace Residents Association Limited | East Sussex | 1998 |
| 15 Wellington Crescent Limited | Margate | 1994 |
| 15 Wentworth Road RTM Company Limited | London | 2018 |
| 15 West BK (Freehold) Management Company Limited | London | 2018 |
| 15 West Heath Road Limited | | 1986 |
| 15 Woodside Road (Southbourne) Limited | Bournemouth | 2010 |
| 15 Woodstock Grove Limited | London | 2009 |
| 15 WR Limited | Beckenham | 2025 |
| 15 Wyneham Road Management Limited | London | 2006 |
| 15&16 Gulliver Close Freehold Limited | Northolt | 2017 |
| 15-17HIGH-ST-WARMINSTER-BA129AG Ltd | Melksham | 2022 |
| 15-18 Coniston Close Freehold Limited | London | 2020 |
| 15-19 Stokes Croft Limited | Bristol | 2015 |
| 15-20 Winton Gardens Limited | Edgware | 2006 |
| 15-21 Rainsford RD Limited | Swanley | 2026 |
| 15-24 Chamberlain Close (Ilford) RTM Company Limited | Bromley | 2014 |
| 15-25 (Odds) Baxter Mews RTM Company Limited | Washington | 2023 |
| 15.08.2017 Opco Limited | Edinburgh | 2024 |
| 15.08.2017 Propco Limited | Edinburgh | 2017 |
| 15/15A Brunswick Square RTM Ltd | Herne Bay | 2016 |
| 15/15A Carnarvon Road Management Company Limited | Bristol | 2014 |
| 15/16 Church Croft Limited | Hereford | 2024 |
| 15/16 Herbert Crescent Residents Association Ltd | | 1989 |
| 15/16 Myddelton Square Limited | London | 2004 |
| 15/16 Queen's Gardens Management Limited | London | 1991 |
| 15/17 Hartington Road Company Limited | Nottingham | 2016 |
| 150 AG Limited | London | 2002 |
| 150 Barking Road Flats Ltd | Woodford Green | 2019 |
| 150 Broadway Limited | London | 2024 |
| 150 Ditchling Road Management Ltd | Brighton | 2003 |
| 150 Harbord Street Ltd | London | 2017 |
| 150 High Street Ilfracombe Ltd | Ilfracombe | 2020 |
| 150 Holborn Operations Limited | London | 2021 |
| 150 Leadenhall Street Nominees Limited | Canvey Island | 1977 |
| 150 Messino Limited | London | 2024 |
| 150 Pampisford Road Ltd | Ringwood | 2019 |
| 150 Pasley Street East Management Company Limited | Plymouth | 2007 |
| 150 PR Limited | Weybridge | 2022 |
| 150 Southgate Road Limited | | 2005 |
| 150 Upper Lewes Road Brighton Limited | East Sussex | 2006 |
| 150 York Road Limited | Eastbourne | 2023 |
| 1505 Group Ltd | Trowbridge | 2019 |
| 1505 Limited | Shrewsbury | 2025 |
| 1505 Properties Ltd | London | 2026 |
| 1507 Developments Ltd | Hinckley | 2018 |
| 1507 Lettings Limited | Hinckley | 2020 |
| 1508 Chapel Court Ltd | Wolverhampton | 2023 |
| 1508 Developments Limited | Stoke-On-Trent | 2024 |
| 1508 London Road Residents Limited | Stevenage | 2023 |
| 1508 Pressworks Ltd | Wolverhampton | 2022 |
| 1508 Properties Limited | Wolverhampton | 2021 |
| 1508 Property Ltd | Beverley | 2026 |
| 151 Amersham Road Management Company Limited | London | 2026 |
| 151 Bury Old Road (Prestwich) Limited | Manchester | 2006 |
| 151 Cheltenham Road Ltd | Westbury On Trym | 2019 |
| 151 Dalling Road Management Limited | London | 2003 |
| 151 Glenister Estates Ltd | London | 2021 |
| 151 Goldsmiths ROW RTM Company Ltd | Brighton | 2010 |
| 151 Limited | London | 2000 |
| 151 Property Management Ltd | London | 2025 |
| 151 Rosebery Limited | London | 2022 |
| 151 Stafford Limited | Wallington | 2014 |
| 151 WGS Ltd | Glasgow | 2025 |
| 151-153 Folkestone Road Ltd | Tonbridge | 2023 |
| 1510 (NW) Ltd | Blackburn | 2023 |
| 1510 Estates Ltd | London | 2023 |
| 1512 Investments Limited | Wallington | 2024 |
| 151A Stafford Ltd | Croydon | 2014 |
| 151AL2 Limited | Borehamwood | 2021 |
| 152 Broadfields Management Co. Ltd. | Richmond | 1990 |
| 152 Coldharbour Lane Limited | London | 2000 |
| 152 Commercial Road Portsmouth 2021 Limited | London | 2021 |
| 152 Consultancy Ltd | London | 2024 |
| 152 Ferme Park Road Freehold Limited | London | 2015 |
| 152 Lower Richmond Road Management Limited | | 2004 |
| 152 Oaklands RD Ltd | Manchester | 2019 |
| 152 Property Ltd | Warwick | 2024 |
| 152 Silbury Boulevard Ltd | London | 2017 |
| 152-154 Union ST Ltd | London | 2021 |
| 1520 Limited | Manchester | 2023 |
| 15243859 Ltd | London | 2023 |
| 153 Acton Lane Limited | London | 2024 |
| 153 Amhurst Road Ltd | London | 2023 |
| 153 Cambridge Street Limited | London | 1998 |
| 153 Cragside Walk Limited | Castleford | 2024 |
| 153 GTS Ltd | Harrow | 2023 |
| 153 Holland Park Avenue RTM Company Limited | Hemel Hempstead | 2014 |
| 153 Saltram Crescent Limited | London | 2006 |