| A.E.F UK Properties Limited | Hartlepool | 2025 |
| A.E.Groves Limited | Basingstoke | 1961 |
| A.E.J Property Investments Ltd | Derby | 2025 |
| A.E.M. Property Developers Limited | Hythe | 1960 |
| A.E.M.I Group Ltd | Sheffield | 2023 |
| A.E.Monck Consultants Limited | London | 2010 |
| A.E.Monk & Co.(London)Limited | Cobham | 1931 |
| A.E.N Property Ltd | Warrington | 2018 |
| A.E.Rickards Limited | Exeter | 1941 |
| A.E.S Residential Ltd | Camberley | 2026 |
| A.E.Sams Limited | Weymouth | 1934 |
| A.E.Thorogood Limited | Weybridge | 1954 |
| A.Ecsedi Ltd | London | 2024 |
| A.Einhorn Limited | London | 1959 |
| A.Elfes Limited | South Ockendon | 1951 |
| A.F. Johnson & Sons (Farmers) Limited | Ipswich | 1963 |
| A.F. Wilson Property Ltd | London | 2025 |
| A.F.A. UK Properties Limited | Birmingham | 2021 |
| A.F.Buck Limited | Ely | 1960 |
| A.F.D. (Properties) Limited | Finchley | 1982 |
| A.F.M.M Global Ltd | Milton Keynes | 2015 |
| A.F.R. (Dunfermline) Limited | Cowdenbeath | 1999 |
| A.F.S. (UK) Limited | Nottingham | 1997 |
| A.F.Smith Limited | Rye | 1920 |
| A.G & G.G Property Ltd | London | 2023 |
| A.G Asset Holdings Limited | Roslin | 2021 |
| A.G MCM Property Limited | Oxford | 2026 |
| A.G. Bachelor Limited | Warwickshire | 1965 |
| A.G. Bishop & Sons (Holdings) Limited | Rugby | 1946 |
| A.G. Evans Properties Limited | Tring | 1998 |
| A.G. Gregory (Properties) Limited | West Midlands | 1985 |
| A.G. Premium Construction Ltd | London | 2022 |
| A.G. Property Buyers Limited | Birmingham | 2019 |
| A.G. Rutter (Holdings) Limited | Portsmouth | 1995 |
| A.G. Securities | London | 1969 |
| A.G. Sewell Limited | Cambridge | 1988 |
| A.G. Thames Holdings Limited | Crayford | 1970 |
| A.G. Wilson Investments Limited | High Wycombe | 2015 |
| A.G.& K.M.Spiers,Limited | Bath | 1947 |
| A.G.A. Enterprise Ltd. | Walsall | 1995 |
| A.G.A.I. & Co Limited | Chelmsford | 2010 |
| A.G.D. Properties Limited | Surrey | 2001 |
| A.G.E. Limited | Bury | 1965 |
| A.G.G Lettings & Property Management Ltd | Coventry | 2025 |
| A.G.G. (Greenock) Limited | | 1964 |
| A.G.H Ventures Limited | London | 2019 |
| A.G.Hedges Limited | Oxfordshire | 1947 |
| A.G.Industrial Limited | Bridgend | 2002 |
| A.G.J.S Properties Limited | Nottingham | 2022 |
| A.G.K. Investment Properties Limited | Bolton | 2012 |
| A.G.M. Properties (Borders) Ltd | Carluke | 2024 |
| A.G.Morgan,Limited | Olney | 1946 |
| A.G.P. Limited | London | 1956 |
| A.G.R Heritage Limited | London | 2025 |
| A.G.W.Fordham & Son(Ixworth)Limited | Cambridge | 1964 |
| A.G.Z. Properties Limited | Cuffley | 1999 |
| A.Gill Holdings Limited | Cardiff | 2015 |
| A.Gio Lettings Limited | Birmingham | 2024 |
| A.Godrich & Co.,Limited | Northampton | 1933 |
| A.H Ballard Ltd | Hythe | 2026 |
| A.H IT Consultant Ltd | Bradford | 2021 |
| A.H Properties & Developments Ltd | Esher | 2025 |
| A.H Property & Solutions Ltd | Stoke-On-Trent | 2025 |
| A.H Property Ventures Ltd | Bury | 2024 |
| A.H. Franchise Ltd | Brierley Hill | 2021 |
| A.H. Mirza Limited | London | 2021 |
| A.H. Properties Ltd | London | 2000 |
| A.H.A. (AYR) Limited | Glasgow | 2025 |
| A.H.A.G. Limited | Brighton | 2006 |
| A.H.Austin(London)Limited | Liverpool | 1956 |
| A.H.Field(Holdings)Limited | Birmingham | 1959 |
| A.H.Filley & Company Limited | Dorking | 1964 |
| A.H.H.A Investments Ltd | Carlisle | 2025 |
| A.H.Holdings Limited | | 1954 |
| A.H.Lansley Residential Limited | Berkshire | 2004 |
| A.H.Lleshi Properties Ltd | London | 2023 |
| A.H.M.I Realestate Limited | Blackpool | 2025 |
| A.H.P. Management Limited | Bristol | 2003 |
| A.H.P. Services Limited | Manchester | 1986 |
| A.H.S James Property Investment Limited | Erith | 2021 |
| A.H.S Property Group Ltd | Bristol | 2021 |
| A.Hardman Limited | Crewe | 2015 |
| A.Hicks Limited | High Wycombe | 1962 |
| A.Hoelzle Consulting & Investments Limited | London | 2023 |
| A.Hurst Property Ltd | Grimsby | 2022 |
| A.I Properties (Yorkshire) Ltd | Rotherham | 2026 |
| A.I Properties Nottingham Limited | Nottingham | 2023 |
| A.I Property Consultancy Ltd | Ilford | 2026 |
| A.I. Developments Ltd | Hythe | 2003 |
| A.I. Properties Caithness Ltd | Halkirk | 2025 |
| A.I.A Estate Limited | Bolton | 2025 |
| A.I.A Property Solutions Ltd | Huddersfield | 2024 |
| A.I.A.M Investments Limited | Sheffield | 2025 |
| A.I.C. Commercial Properties Limited | Kettering, | 2025 |
| A.I.I. Enterprise Limited | Northwich | 2016 |
| A.I.L Properties Group Limited | Manchester | 2025 |
| A.I.L Property Investments Ltd | Redcar | 2024 |
| A.I.L Property Specialists Ltd | Redcar | 2023 |
| A.I.L. Property Group Limited | Waltham Cross | 2025 |
| A.I.M. Properties (Woodley) Limited | Woodley | 2012 |