| 3-27 Wilcox Road Management Ltd | London | 2025 |
| 3-4 Hardwick Limited | London | 2022 |
| 3-4 Legge Lane Ltd | Billingshurst | 2016 |
| 3-5 Burleigh Ltd | Mildenhall | 2024 |
| 3-5 Queen Square Management Limited | London | 2010 |
| 3-5 Spencer Road Limited | Eastbourne | 2024 |
| 3-9 Ashleigh Court (Southgate) RTM Company Limited | Bromley | 2014 |
| 3-CORD Properties Ltd | Oxford | 2025 |
| 3-EIGHT Property Solutions Ltd | Derby | 2020 |
| 3/3A Lansdowne Road Harrow on the Hill (Freehold) Limited | Middlesex | 1998 |
| 3/4 Cotham Grove Management Co. Ltd | Bristol | 1987 |
| 3/5 Bradford Road Trowbridge Management Company Limited | Trowbridge | 2010 |
| 3/5 Mount Pleasant Crescent Limited | Southwick | 2020 |
| 30 & 32 Wimblehurst Road Management Company Limited | Horsham | 2008 |
| 30 Algarve Limited | Coulsdon | 2025 |
| 30 Altenburg Gardens Limited | London | 2018 |
| 30 and 30A Birkbeck Grove Limited | Acton | 2008 |
| 30 Arlington Road Limited | Surbiton | 2009 |
| 30 Avondale Road (Croydon) RTM Company Limited | South Croydon | 2020 |
| 30 Barons Court Road Management Company Limited | | 1995 |
| 30 Bassein Park Road (Management Company) Limited | London | 2002 |
| 30 Bath Road Ltd | Twickenham | 2023 |
| 30 Birchington Road Limited | Eastcote | 1998 |
| 30 Bloomsbury Place (Brighton) Limited | Portsmouth | 2004 |
| 30 Bramber Road Limited | London | 2015 |
| 30 Britania Limited | Westcliff On Sea | 2023 |
| 30 Britania SUB Limited | Westcliff On Sea | 2023 |
| 30 Brunswick Place Limited | Marshland St. James | 2011 |
| 30 Castletown Road Limited | | 1994 |
| 30 Caxton Road W12 Limited | | 1997 |
| 30 Chipping Norton Limited | Redhill | 2020 |
| 30 Chipping Norton Management Ltd | Abbots Bromley | 2022 |
| 30 Churchill Place Tenant Limited | London | 2019 |
| 30 CN Serviced Apartments Limited | Redhill | 2024 |
| 30 Collingham Place Management Limited | London | 2007 |
| 30 Commerce Road Limited | London | 2020 |
| 30 Comyn Road Management Company Limited | London | 2006 |
| 30 Coningsby Road Management Company Ltd | Milton Keynes | 2016 |
| 30 Copenhagen Street Limited | | 2007 |
| 30 Courtfield Gardens Management Company Limited | London | 2014 |
| 30 Daleham Gardens Limited | London | 1998 |
| 30 DE Vere Gardens Freehold Company Limited | London | 2016 |
| 30 Demesne Road Property Management Limited | Bolton | 2004 |
| 30 Doradus Ltd | City Centre | 2023 |
| 30 Dornton Road Limited | London | 2024 |
| 30 Dorset Gardens (Brighton) RTM Company Limited | Littlehampton | 2010 |
| 30 East Tenter Street Management Limited | London | 2008 |
| 30 Eaves Street Limited | Northolt | 2022 |
| 30 Eccleston Square Limited | London | 2002 |
| 30 Ferndale Road (2008) Limited | London | 2008 |
| 30 Fernside Road Limited | Darlington | 2009 |
| 30 Forest Hill Limited | London | 2020 |
| 30 Frognal Limited | London | 2007 |
| 30 Gauden Road Limited | London | 2014 |
| 30 Gordon Place Freehold Limited | London | 2010 |
| 30 Goring Ltd | London | 2020 |
| 30 Greenlane Management Limited | Cobham | 2021 |
| 30 Grosvenor Restaurant Propco Ltd | London | 2023 |
| 30 Gruneisen Road Limited | London | 2002 |
| 30 GS Nominee 1 Limited | London | 2018 |
| 30 GS Nominee 2 Limited | London | 2018 |
| 30 Halford Road Ltd | Cambridge | 2026 |
| 30 Hambalt Road (Freehold) Limited | Harrogate | 2007 |
| 30 High Street Limited | Swanley Village | 2013 |
| 30 Islingword Road Limited | Uckfield | 2001 |
| 30 Kathryn Avenue Limited | Birmingham | 2023 |
| 30 Langham Street Limited | London | 2016 |
| 30 Lansdowne Road Limited | Cranbrook | 2024 |
| 30 Leicester Limited | Northwood | 2025 |
| 30 Malbrook Road Residents' Association Limited | London | 1989 |
| 30 Mancknols Ltd | Middleton | 2022 |
| 30 Marmora Road RTM Company Limited | London | 2020 |
| 30 Monkgate Limited | 3 Dorset Rise | 2025 |
| 30 Montpelier Crescent Limited | Surrey | 2004 |
| 30 Muller Avenue Management Company Limited | Bristol | 2015 |
| 30 Park Hall Road Limited | London | 2001 |
| 30 Park Street Limited | London | 2012 |
| 30 Parliament Hill (Management) Limited | | 1983 |
| 30 Pennard Limited | Swindon | 2025 |
| 30 Pont Street Limited | London | 2023 |
| 30 Princes Avenue Limited | London | 2008 |
| 30 Priory Avenue Management Ltd | Weybridge | 2014 |
| 30 Putney Bridge Road Ltd | London | 2011 |
| 30 Radipole Road Management Company Limited | Northwood | 2023 |
| 30 Rickmansworth Road Amersham Management Limited | Great Missenden | 2010 |
| 30 Robson Avenue Limited | London | 2017 |
| 30 Royal Park Management Company Limited | Bristol | 1980 |
| 30 Rundell Crescent (Hendon) Management Limited | London | 1986 |
| 30 Shieldhall Limited | London | 2025 |
| 30 Silver Street Management Company Limited | Bradford-On-Avon | 1988 |
| 30 Springfield Road Management Limited | Leicester | 1998 |
| 30 ST Mary`S Street Management Limited | Wallingford | 2006 |
| 30 Stanford Avenue Management Company Limited | East Sussex | 1999 |
| 30 Sydenham Road Limited | Leigh On Sea | 2021 |
| 30 the Avenue Limited | Harrow | 2008 |
| 30 Vere Road Management Limited | Dunstable | 2014 |
| 30 Vincent Square Management Limited | Kingston Upon Thames | 1997 |
| 30 WD23 Ltd | Harrow | 2025 |
| 30 Wellesley Road Management Limited | London | 2019 |
| 30 Wellington Square Limited | St. Leonards-On-Sea | 2000 |