| 43 Nassington Road Limited | | 1994 |
| 44 Arundel Gardens W11 Freehold Limited | Hatfield | 1997 |
| 44 Brondesbury Villas Limited | London | 2012 |
| 44 DRY Hill Park Road (Management) Company Limited | Hythe | 1992 |
| 44 Kingsway Ltd | Liverpool | 2022 |
| 44 Mount Ephraim Limited | Tunbridge Wells | 2014 |
| 44 Oxford Road Limited | Watford | 2015 |
| 44 Shacklewell Lane Limited | London | 2013 |
| 44 ST. Johns Grove Limited | London | 2006 |
| 44 Stronsa Road London W12 9LB Limited | London | 2017 |
| 44 Sunderland Road Residents' Association Limited | Banbury | 1979 |
| 442 Graphics Limited | Wokingham | 2010 |
| 448 Kings Road Limited | Midhurst | 2002 |
| 44RED Ltd | Cirencester | 2020 |
| 45 & 45A Ramsay Road Limited | London | 2013 |
| 45 Degree NE Company Limited | London | 2025 |
| 45 Flaxman Road Limited | Newcastle Upon Tyne | 2014 |
| 45 Hornsey Lane Gardens Residents Company Limited | London | 1983 |
| 45 Twickenham Road, Teddington Limited | East Molesey | 1996 |
| 45-51 Whitfield Limited | Maidstone | 2007 |
| 454 (Bearsden) Limited | Glasgow | 1966 |
| 456 Ltd | Gravesend | 2019 |
| 458/459 High Street Lincoln Management Company Limited | Nottingham | 2012 |
| 45DRYDEN Limited | London | 2010 |
| 46 Ballater Road Limited | London | 2011 |
| 46 Castle Hill Avenue RTM Company Limited | Folkestone | 2011 |
| 46 Duntshill Road Freehold Limited | Bishop'S Stortford | 2013 |
| 46 Goldstone Villas RTM Company Ltd | Hove | 2023 |
| 46 Leopold Road Management Ltd | London | 2011 |
| 46 P P Limited | London | 2003 |
| 46 Shandon Road (Freehold) Limited | London | 2014 |
| 46-48 Notting Hill Limited | Pinner | 2025 |
| 462 Edin Ltd. | Dalkeith | 2004 |
| 463553 Limited | Penryn | 2025 |
| 467 Gloucester Road Management Limited | Bristol | 2007 |
| 468 Edin Ltd. | Edinburgh | 2007 |
| 47 & 47A Ratcliffe Street Limited | York | 2014 |
| 47 Belsize Square Management Limited | London | 2011 |
| 47 Chesterfield Road Management Limited | Bristol | 1995 |
| 47 Cokerst Ltd | Salford | 2022 |
| 47 Epsom Road RTM Company Limited | Croydon | 2008 |
| 47 GAP Road Limited | London | 2010 |
| 47 Llanover Road Management Limited | Wembley | 2002 |
| 47 Platt's Lane Limited | | 1998 |
| 47 Selborne Road (London) Limited | London | 2005 |
| 47 Tabernacle Street (Management) Limited | London | 2001 |
| 4748BAVENT Limited | London | 2018 |
| 48 Cambridge Road Limited | Brighton | 2017 |
| 48 Fortune Green Road Limited | London | 2003 |
| 48 Hill House Road (Management) Limited | London | 2014 |
| 48 Marine Avenue (Leigh) Limited | Billericay | 2001 |
| 48 Shakespeare Road (Freehold) Limited | London | 2006 |
| 48 West END Road Limited | Bushey | 2010 |
| 481 Liverpool Road Freehold Limited | London | 2013 |
| 485 London Road Limited | Hemel Hempstead | 2017 |
| 487 Edin Ltd. | Bo'Ness | 2006 |
| 49 and 51 Como Road Limited | London | 2009 |
| 49 Holland Park RTM Company Limited | London | 2015 |
| 49 Prince Maurice Management Co Ltd | Plymouth | 1997 |
| 49/51 Cavendish Avenue Residents Company Limited | London | 2002 |
| 49A Mutley Plain Limited | Plymouth | 1998 |
| 49LRN Management Limited | Sherborne | 2021 |
| 4A Distribution Ltd | Glasgow | 2024 |
| 4ALPHASNUTRITION Ltd | London | 2025 |
| 4B Fabrications Limited | Washington | 2018 |
| 4BIKERS Limited | Sutton-In-Ashfield | 2020 |
| 4C Healthcare Ltd | Blackburn | 2025 |
| 4C Trustees Limited | Glasgow | 2014 |
| 4CALIBRATION Limited | Virginia Water | 2013 |
| 4CENTRIC Consulting Limited | London | 2021 |
| 4D Developments Ltd | Radlett | 2016 |
| 4D Planning Ltd | Manchester | 2016 |
| 4D RC Frame and Groundworks Ltd | Radlett | 2016 |
| 4D Strategies Ltd | Swindon | 2015 |
| 4D Tours Ltd | Bristol | 2017 |
| 4DIMENSION AI Limited | London | 2026 |
| 4DIMENSION Toys Ltd | Cambridge | 2023 |
| 4ENERGY Group Limited | Wickford | 2015 |
| 4EVR Ltd | Glasgow | 2019 |
| 4FISCAL Investments Limited | Ipswich | 2012 |
| 4FUTURE Properties Limited | Wolverhampton | 2018 |
| 4FX Limited | Milton Keynes | 2013 |
| 4G1 Football Academy Girls Ltd | Barnsley | 2024 |
| 4GADGETS Limited | Leeds | 2015 |
| 4GEN Solutions Ltd | Poole | 2017 |
| 4GON Solutions Limited | Chelmsford | 2022 |
| 4GP Holdings Ltd | Dundee | 2018 |
| 4IMPRINT Limited | London | 1995 |
| 4IT Limited | Leeds | 2017 |
| 4JS Gifted Hands Ltd | Glasgow | 2024 |
| 4K9 Ltd. | Crewe | 2001 |
| 4M Accountancy Limited | Ashford | 2017 |
| 4M Gospel Limited | Glasgow | 2024 |
| 4M Portable Buildings Limited | Whitchurch | 1992 |
| 4P Marketing Limited | Malvern | 2009 |
| 4POULTRY Ltd | Bristol | 2018 |
| 4PS Marketing Limited | London | 2008 |
| 4QUIRKYBIRDS Ltd | York | 2020 |
| 4RDWICK Factory Limited | Manchester | 2023 |
| 4REAL Construction Limited | Wigan | 2018 |