| A-Tay Property Ltd | St. Albans | 2025 |
| A-Team Family Investments Ltd | Woodford Green | 2022 |
| A-Team Group Limited | London | 2025 |
| A-Team Property Services Ltd | London | 2024 |
| A-Team Property Solutions Ltd | Slough | 2026 |
| A-Team Props Ltd | Stockport | 2021 |
| A-Tech Properties Limited | Newton Aycliffe | 2011 |
| A-Top Management Services Limited | Hertfordshire | 1986 |
| A-Town Ltd | Aberdeen | 2025 |
| A-V Housing Ltd | Stoke-On-Trent | 2025 |
| A-Vision Properties Ltd | Newton Aycliffe | 2025 |
| A-Win Property Ltd | Wigan | 2025 |
| A-Xceed Ltd | Woodford Green | 2021 |
| A-Z Core Services Ltd | London | 2020 |
| A-Z Home to Home Properties Ltd | Chatham | 2022 |
| A-Z Hunters Management Limited | Manchester | 2022 |
| A-Z Investing Limited | Leeds | 2020 |
| A-Z Lets Ltd | Cardiff | 2024 |
| A-Z Lettings Ltd | Beaumaris | 2021 |
| A-Z Physio Ltd | Birmingham | 2013 |
| A-Z Platinum Properties Ltd | Coventry | 2024 |
| A-Z Portfolio Ltd | London | 2024 |
| A-Z Prop Co Ltd | Slough | 2024 |
| A-Z Properties & Assets Management Limited | | 2007 |
| A-Z Properties (North West) Ltd | Nelson | 2019 |
| A-Z Properties (Scot) Ltd | Glasgow | 2019 |
| A-Z Properties Halifax Ltd | Halifax | 2024 |
| A-Z Properties Huddersfield Ltd | Huddersfield | 2024 |
| A-Z Properties Ltd | Sheffield | 2016 |
| A-Z Properties Solutions Limited | Stoke-On-Trent | 2023 |
| A-Z Property Care Service Limited | London | 2024 |
| A-Z Property Leasing Limited | York | 2022 |
| A-Z Property Management Services Ltd | Cleethorpes | 2026 |
| A-Z Property Marketers Ltd | Bournemouth | 2025 |
| A-Z Property Relocation Global Limited | Southampton | 2021 |
| A-Z Property Solutions (N.I.) Limited | Newry | 2017 |
| A-Zen Property Investments Ltd | London | 2021 |
| A-Ztech Property Company Limited | Sunderland | 1989 |
| A. & a. King (Property Investments) Ltd | Wimborne | 2007 |
| A. & a. Peate Limited | Nr Oswestry | 1937 |
| A. & B. Management Services Limited | Fakenham | 1949 |
| A. & B. Priest Limited | Grantham | 1973 |
| A. & B. Rudge Limited | London | 1950 |
| A. & E. Ceresa Limited | Glasgow | 1973 |
| A. & E. Sharpe Properties Limited | Letchworth Garden City | 1959 |
| A. & H. G. Properties Ltd. | Lanarkshire | 2001 |
| A. & J. Mucklow (Estates) Limited | London | 1963 |
| A. & J. Mucklow (Ettingshall Estate) Limited | London | 1956 |
| A. & J. Mucklow (Investments) Limited | London | 1972 |
| A. & J. Mucklow (Lancashire) Limited | London | 1963 |
| A. & J. Mucklow (Properties) Limited | London | 1963 |
| A. & K. Holdings Limited | Bristol | 1971 |
| A. & L. Properties Inverness Limited | Inverness | 2016 |
| A. & L. Stores Limited | Essex | 2002 |
| A. & M. Properties Limited | Dudley | 1950 |
| A. & P. H. Development Company Ltd. | Peterborough | 1988 |
| A. & S. Jewellery Manufacturing Limited | | 1976 |
| A. & S. Motors (Gosport) Limited | Gosport | 1990 |
| A. a. C Management (UK) Limited | London | 2020 |
| A. and J. Mucklow (Lands) Limited | London | 1951 |
| A. Aslam Ventures Ltd | Glenrothes | 2025 |
| A. B. Cave (Homes) Ltd | King'S Lynn | 2025 |
| A. B. Property Ltd. | Oxfordshire | 1997 |
| A. Baily and Company Limited | London | 1909 |
| A. Berry Limited | Leicester | 1988 |
| A. Bradshaw Property Solutions Ltd | Swansea | 2020 |
| A. Brown & Co. (Chair Frames), Limited | Glasgow | 1954 |
| A. C. E. Government Surplus Limited | Worcester | 1960 |
| A. C. Moore Limited | Langport | 2006 |
| A. C. Nunney (Properties) Limited | Edgware | 1962 |
| A. C.A. Property Limited | Hassocks | 2004 |
| A. Connolly & Buchanan Limited | Ayr | 1959 |
| A. Cook Limited | Dundee | 1940 |
| A. Cornes Investments Limited | Shrewsbury | 1995 |
| A. Cullen & Sons Limited | Billericay | 2004 |
| A. D. B. (Malvern) Limited | Malvern | 2011 |
| A. D. J. Web Properties Ltd | Middlesbrough | 2017 |
| A. D. S. Investments Limited | Stockport | 1961 |
| A. Davenport (Trimmings) Limited | Sale | 1982 |
| A. Drum Ltd | Petworth | 2022 |
| A. E. Tebbs (Farms) Limited | Peterborough | 1960 |
| A. Eccleston & Sons Limited | Wrexham | 1964 |
| A. Fersht Limited | Stanmore | 1947 |
| A. Frumkin Investments Ltd. | London | 1993 |
| A. G. a. C. Limited | Bourne | 2004 |
| A. G. O'Neill Limited | Omagh | 1984 |
| A. G. Resident Co. Limited | Bognor Regis | 1972 |
| A. Gardner (Bury) Limited | Bury | 1958 |
| A. Ghaffar Property Investment Ltd | Luton | 2025 |
| A. Gooner Ltd. | London | 1997 |
| A. Gray Muir Limited | Forfar | 2010 |
| A. H. Warren Trust (Property) Limited | Crewkerne | 1998 |
| A. Habeshis Limited | London | 2014 |
| A. Halden & Co. Limited | Keston | 1953 |
| A. Hart Property & Investments Limited | London | 2018 |
| A. Hartill & SON (Motor Cycles) Limited | Wolverhampton | 1953 |
| A. Healthy Home Limited | Kemsing | 2022 |
| A. Home TEK Limited | Eastbourne | 2017 |
| A. Howarth (2018) Limited | Chadderton, Oldham | 2018 |
| A. Howarth Limited | Oldham | 2007 |