| 49 Mowlem Street Properties Limited | Bethnal Green | 2022 |
| 49 Muswell Hill RTM Company Limited | London | 2014 |
| 49 North END Road Limited | London | 2002 |
| 49 Paddington Limited | London | 2019 |
| 49 Perham Road Limited | London | 2012 |
| 49 Properties Limited | Castleford | 2017 |
| 49 Prospect Park, Exeter Management Limited | Exeter | 1987 |
| 49 Real Estate Ltd | Canterbury | 2025 |
| 49 Roxborough Park Management Limited | Harrow | 1999 |
| 49 Royal York Crescent Bristol (Management) Limited | Avon | 1997 |
| 49 Sandstone Bobcat LDN Limited | London | 2019 |
| 49 Sandy Lane South Limited | Wallington | 2001 |
| 49 SBR Ltd | Newcastle Upon Tyne | 2024 |
| 49 Schubert Road Management Limited | Solihull | 2006 |
| 49 Simpson Street Freehold Limited | London | 2007 |
| 49 South Terrace Littlehampton Limited | Bognor Regis | 1999 |
| 49 Spencer Road Limited | Stevenage | 2018 |
| 49 ST Johns Villas RTM Company Limited | Bridgend | 2005 |
| 49 Stockwell Green Management Company Limited | | 1994 |
| 49 SW9 Ltd | London | 2023 |
| 49 Tierney Road Freehold Limited | London | 2020 |
| 49 Vicarage Street Barnstaple Limited | Barnstaple | 2020 |
| 49 Wilbury Road Limited | Hove | 2022 |
| 49 Woodthorpe Drive Management Company Limited | Loughborough | 2004 |
| 49, Grosvenor Square Management Limited | Pinner | 1976 |
| 49-50 Kendal Street Limited | Watford | 2012 |
| 49-51 Byrne RD Ltd | London | 2024 |
| 49-51 Kildare Road (Freehold) Limited | Northampton | 2019 |
| 49-54 Castelnau Gardens Residents Company Limited | Woking | 1987 |
| 49-59 Old Street Ltd | London | 2026 |
| 49-60 Riverside Gardens Management Company Limited | Hemel Hempstead | 2002 |
| 49/50 Grosvenor Square (Freehold) Limited | Pinner | 2006 |
| 49/51 Constantine Road Limited | London | 2011 |
| 49/51 Nevis Road Management Limited | London | 2006 |
| 49/51 Norfolk Road Management Limited | Maidenhead | 1980 |
| 49/54 Sunderland Close Management Company Limited | Rochester | 2000 |
| 490 Group Ltd | Ilford | 2020 |
| 490-492 Fulham Road Ltd | London | 2025 |
| 491 Holdings Ltd | Herts | 2017 |
| 491-493 Liverpool Road Management Limited | Wandsworth | 2001 |
| 492 Seven Sisters Ltd | London | 2025 |
| 493 Properties Limited | London | 2021 |
| 495BPR Ltd | London | 2026 |
| 497 Bucks Limited | London | 2022 |
| 498 - 504 Brighton Road Limited | South Croydon | 2017 |
| 499 Hackney Road Ltd | London | 2023 |
| 499-501 Union Street (Management) Limited | Aberdeen | 2025 |
| 49A Oxford Road Limited | London | 2020 |
| 49A Park Avenue Limited | Hertfordshire | 2007 |
| 49AAA Ltd | Southgate, | 2019 |
| 49AGR Limited | Sevenoaks | 2017 |
| 49HASS Ltd | London | 2024 |
| 49ND Limited | Harrogate | 2016 |
| 49TH Street Property Limited | Trowbridge | 2021 |
| 4A and 4B Rossiter Road Limited | London | 2012 |
| 4A Darklake Limited | Plymouth | 2025 |
| 4A Haven Property UK Ltd | South Shields | 2024 |
| 4A Homes Ltd | Hertfordshire | 2021 |
| 4A Priory Road Limited | High Wycombe | 2019 |
| 4A Property Investment Ltd | London | 2019 |
| 4A Property Limited | Nottingham | 2020 |
| 4A Recruitments Limited | Keighley | 2018 |
| 4A Storage Services Limited | Leicester | 2025 |
| 4A Surbiton Ltd | Barnet | 2023 |
| 4A to 10C Hayes Lane (LYE) Management Company Limited | Birmingham | 2008 |
| 4A Tongdean Road Limited | Brighton | 2020 |
| 4A Trades Limited | Accrington | 2024 |
| 4A'S (Properties) Ltd | London | 2000 |
| 4ABODE Management Ltd | Thornton Heath | 2025 |
| 4AD Development Ltd | Oldham | 2019 |
| 4AHM Holdings Limited | Nelson | 2026 |
| 4AK Homes Ltd | London | 2026 |
| 4AK Properties Ltd | Halifax | 2017 |
| 4AK Property Management Limited | Bradford | 2025 |
| 4ALPHA (9BG) Ltd | Billingham | 2019 |
| 4ALPHA Group Ltd | London | 2019 |
| 4ALPHA Investments Ltd | Billingham | 2019 |
| 4ALPHA Limited | London | 2015 |
| 4AM Property Services Limited | Canterbury | 2025 |
| 4AM UK Properties Ltd | Solihull | 2022 |
| 4AMIGOS Investment Property Ltd | Edinburgh | 2024 |
| 4AP Investments Ltd | Ilford | 2020 |
| 4AR Holdings Ltd | Huddersfield | 2020 |
| 4AS Home Providers Ltd | London | 2023 |
| 4B Enterprises Limited | Warwickshire | 2006 |
| 4B Holdings Ltd | Cambridge | 2020 |
| 4B Housing Ltd | Keighley | 2016 |
| 4B Investment Ltd | Bridgwater | 2023 |
| 4B Real Estate Ltd | Wilmslow | 2025 |
| 4BJD Limited | London | 2020 |
| 4BJX Limited | Clayton Le Moors | 2021 |
| 4BMC Limited | Tewkesbury | 2007 |
| 4BONAWE Ltd | Glasgow | 2022 |
| 4BROS Properties Ltd | Blackburn | 2024 |
| 4BROTHERS Properties Limited | Long Eaton | 2007 |
| 4BT Ltd | Glasgow | 2024 |
| 4BYS Limited | Manchester | 2011 |
| 4C - the Haydon 2 Ltd | London | 2026 |
| 4C - the Haydon Ltd | London | 2024 |
| 4C - Westin Properties 2 Limited | London | 2024 |