| 4 Barons Court Road Limited | | 2002 |
| 4 Barton Villas Management Limited | Plymouth | 2016 |
| 4 Bath Street (Brighton) Limited | Brighton | 2011 |
| 4 Bathurst Gardens Limited | | 2006 |
| 4 Beacon Hill N7 Limited | London | 2015 |
| 4 Beaconsfield Road Management Company Limited | Weston Super Mare | 2018 |
| 4 Beckford Road Management Company Limited | Bath | 1986 |
| 4 Bedford Grove (Eastbourne) Ltd | Eastbourne | 2011 |
| 4 Belgrave Place Brighton Limited | Brighton | 2005 |
| 4 Belle Grove Terrace (Management) Limited | Newcastle Upon Tyne | 2003 |
| 4 Bellevue Clifton Bristol Management Company Limited(The) | Bristol | 1977 |
| 4 Belsize Park Gardens Limited | Hampstead London | 1987 |
| 4 Belvedere Bath Ltd | Bath | 2026 |
| 4 Belvedere Road Freehold Limited | Poole | 2017 |
| 4 Beverley Place Management Company Limited | Bradford | 2024 |
| 4 Birdhurst Rise Limited | South Croydon | 2016 |
| 4 Bishops Road RTM Company Limited | Fulham | 2018 |
| 4 Blenheim Road Management Company Limited | Bristol | 2002 |
| 4 Bolton Road Limited | London | 2026 |
| 4 Border Crescent RTM Company Limited | London | 2012 |
| 4 Boundary Lane Management Company Limited | Thurleigh | 2016 |
| 4 Boyne Park Management Limited | Tunbridge Wells | 2011 |
| 4 Brackenbury Gardens Freehold Limited | Watford | 2022 |
| 4 Bretland Road Management Company Limited | Tunbridge Wells | 1985 |
| 4 Brookdale Terrace Management Company Limited | Devon | 1989 |
| 4 Brunswick Gardens Freehold Limited | London | 2022 |
| 4 Brunswick Park RTM Company Limited | London | 2006 |
| 4 Brunswick Place Bath (Management) Company Limited | Bristol | 1993 |
| 4 Brunswick Place Management Limited | Dawlish | 2017 |
| 4 Brunswick Square (Hove) Limited | Worthing | 2017 |
| 4 Bryanston Square Freehold Limited | Welwyn Garden City | 2017 |
| 4 Buckingham Vale Clifton Bristol Management Limited | Longwell Green | 1991 |
| 4 Burlington Road Management Limited | Swanage | 2007 |
| 4 Calverley Park Gardens Limited | Tunbridge Wells | 2004 |
| 4 Cambridge Park Limited | Twickenham | 2004 |
| 4 Cambridge Road Limited | Kingston Upon Thames | 2011 |
| 4 Canal Court Management Company Limited | Brentford | 2021 |
| 4 Cathedral Parc Management Company Limited | Cardiff | 2014 |
| 4 Cavendish Parade (Clapham) Limited | Bristol | 2026 |
| 4 Cecil Road Limited | Bristol | 1993 |
| 4 Chancellor Grove Freehold Limited | London | 2014 |
| 4 Chapelgate Management Limited | Retford | 2024 |
| 4 Charles Road RTM Company Limited | Hastings | 2004 |
| 4 Charlwood Place Freehold Limited | London | 2017 |
| 4 Chelsea Embankment RTM Company Limited | London | 2016 |
| 4 Chesterford Gardens Management Company Limited | London | 2007 |
| 4 Church Road Ltd | Guildford | 2018 |
| 4 Churchmead Management Limited | London | 2000 |
| 4 Clanricarde Gardens (Freehold) Limited | Darlington | 2017 |
| 4 Clanricarde Gardens Management Company Limited | Darlington | 1999 |
| 4 Claremont Crescent Weston Super Mare Limited | Weston-Super-Mare | 1993 |
| 4 Claremont Road Management Company Limited | Bristol | 2014 |
| 4 Clarence Square (Brighton) Ltd | Brighton | 2019 |
| 4 Clarendon Place (Brighton) Limited | Brighton | 2015 |
| 4 Clarendon Road Limited | London | 2002 |
| 4 Clarendon Street (Management) Limited | London | 2002 |
| 4 Clermont Road Limited | East Sussex | 1999 |
| 4 Cleveland Square Limited | London | 2004 |
| 4 Clifton Park Road Limited | Bristol | 1986 |
| 4 Cobourg Place Ltd | Hastings | 2023 |
| 4 Codrington Place Limited | Bristol | 1998 |
| 4 Codrington Road RTM Company Limited | London | 2006 |
| 4 Colebrooke ROW Property Management Limited | London | 2003 |
| 4 College Road Clifton Management Limited | Bristol | 1979 |
| 4 Cornwall Gardens Limited | Brighton | 2015 |
| 4 Cornwallis Crescent Limited | Bristol | 1995 |
| 4 Cotham Park North Cotham Management Limited | Bristol | 1981 |
| 4 Cotham Park Residents Association Limited | Bristol | 1981 |
| 4 Court Downs Road (Beckenham) Maintenance Limited | Beckenham | 1970 |
| 4 Crackwell Street Management Company Limited | Tenby | 2019 |
| 4 Crescent Avenue Management Company Limited | Leicester | 2003 |
| 4 Creswell Drive RTM Company Limited | Beckenham | 2024 |
| 4 Crockerton Road RTM Company Ltd | London | 2015 |
| 4 Cromwell Crescent Limited | London | 2013 |
| 4 Crown Road Management Limited | Weybridge | 2001 |
| 4 CT Management Limited | | 1986 |
| 4 Curwen Road Freehold Limited | Leeds | 2013 |
| 4 D Estates Ltd | Coventry | 2015 |
| 4 Dawson Place Limited | | 2007 |
| 4 Dempster Road Management Company Limited | London | 2005 |
| 4 Denmark Terrace, Brighton Limited | East Sussex | 2002 |
| 4 Donald Road Management Company Limited | Bristol | 2018 |
| 4 Donovan Property Holdings Ltd | London | 2026 |
| 4 Dowry Square Management Company Limited | Bristol | 2004 |
| 4 Dymock Street Freehold Limited | London | 2022 |
| 4 East Albert Road Management Co. Limited | Liverpool | 2004 |
| 4 East Avenue Bournemouth BH3 Limited | New Milton | 2020 |
| 4 Eccleston Square Limited | Victoria | 2021 |
| 4 Effingham Street Limited | Harrow | 2014 |
| 4 Egerton Place Limited | London | 2004 |
| 4 Egmont Ltd | Epsom | 2003 |
| 4 ELM Grove Freehold Limited | Sudbury | 2020 |
| 4 ELM Place Bath Management Company Limited | Bath | 2008 |
| 4 Ethelbert Terrace Limited | Ramsgate | 2017 |
| 4 Evelyn Gardens RTM Company Limited | London | 2012 |
| 4 Eversfield Road Residents Limited | East Sussex | 1994 |
| 4 Exeter Ltd | London | 2014 |
| 4 Fairholme Road Freehold Limited | London | 2023 |
| 4 Fielding Road Management Co Limited | | 2004 |
| 4 Floyd Road Management Limited | London | 2015 |