| Ailsa Craig | Glasgow | | G51 1DJ |
| Ailsa Lodge | Bangor | Co Down | BT19 1EW |
| Ainslie Manor Nursing Home | Girvan | | KA26 0HW |
| Ainsworth Private Nursing Home | Bolton | Lancashire | BL2 5PT |
| Airedale Allergy Clinic | Keighley | West Yorkshire | BD20 6SB |
| Airthrey Care Nursing Home | Airth | | FK28 8LA |
| Aisling House | London | | NW9 6DR |
| Al Mar House | Ballynahinch | Co Down | BT24 8TJ |
| Alastair House | Aberconwy | Clwyd | LL18 5BA |
| Alastrean House Nursing Home | Aboyne | Aberdeenshire | AB34 4TA |
| Alba Rose Nursing Home | Pickering | North Yorkshire | YO18 8BA |
| Albany House | Sale | Cheshire | M33 2BG |
| Albany House | Portsmouth | Hants | PO5 2DG |
| Albany House | Washington | Tyne & Wear | NE37 1BJ |
| Albany Park | Cheltenham | Gloucestershire | GL50 2UL |
| Albemarle Hall Nursing Home | Nottingham | Nottinghamshire | NG5 4FE |
| Albert Edward Prince of Wales Court... | Porthcawl | Mid Glamorgan | CF36 3LY |
| Albert Road Nursing Home | Southport | Merseyside | PR9 9LN |
| Albyn Hospital | Aberdeen | | AB10 1RW |
| Aldbourne Nursing Home | Marlborough | Wilts | SN8 2DW |
| Alder Court Nursing Home | Liverpool | | L20 7AJ |
| Alder Grange Nursing Home | Liverpool | | L12 2AR |
| Alderlea Nursing/Residential Home | Grimsby | North East Lincolnshire | DN36 4HS |
| Alderney Nursing Care Centre | Bournemouth | Dorset | BH2 5HD |
| Aldersmead | Bognor Regis | West Sussex | PO21 1JA |
