| LONG, Richard Langford Hanslip ACTIVE | Secretary | 29 Jul 2021 | | | | 15 St Lawrence Avenue, St. Lawrence Avenue, Bidborough, Tunbridge Wells, TN4 0XA, England |
| ALTON, Nicola, Dr ACTIVE | Director | 24 Nov 2025 | | England | October 1983 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| APPS, Geraint ACTIVE | Director | 01 Feb 2017 | | England | May 1971 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| EUSTACE, Richard Gerard ACTIVE | Director | 11 Oct 2018 | | United Kingdom | December 1966 | Imperial House, Oaklands Park, Wokingham, Berkshire, RG41 2FD, England |
| JUTSUM, Philip Stuart James ACTIVE | Director | 13 Aug 2014 | | England | March 1983 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| LANGRIDGE, Garry Edwin ACTIVE | Director | 13 Aug 2014 | | England | March 1978 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| RIDLEY, Mary Elizabeth ACTIVE | Director | 17 May 2021 | | England | April 1969 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| COOMBE, Nigel, Doctor RESIGNED | Secretary | 19 Jan 1996 | 28 Mar 2001 | | | 12 Rhododendron Close, North Ascot, Berkshire, SL5 8PC |
| COOMBE, Nigel, Doctor RESIGNED | Secretary | | 28 Feb 1995 | | | 12 Rhododendron Close, North Ascot, Berkshire, SL5 8PC |
| KENNEDY, Stephen Howard RESIGNED | Secretary | 28 Mar 2001 | 13 Jun 2019 | | | 27 Paget Drive, Maidenhead, Berkshire, SL6 3PT |
| RAWLE, Neal William RESIGNED | Secretary | 13 Jun 2019 | 29 Jul 2021 | | | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| QUAYSECO LIMITED RESIGNED | Secretary | 28 Feb 1995 | 16 Jan 1996 | | | Narrow Quay House, Narrow Quay, Bristol, BS1 4AH |
| COOMBE, Nigel, Doctor RESIGNED | Director | | 31 Jul 2000 | | October 1946 | 12 Rhododendron Close, North Ascot, Berkshire, SL5 8PC |
| COOMBE, Penelope RESIGNED | Director | 12 Jul 2000 | 31 Jan 2003 | | February 1947 | 12 Rhododendron Close, Ascot, Berkshire, SL5 8PL |
| EUSTACE, Michael Henry RESIGNED | Director | | 17 May 2021 | England | January 1940 | Munfin House Hogmoor Lane, Hurst, Reading, Berkshire, RG10 0DH |
| JAFFRE, Erwan Louis Valentin Joseph RESIGNED | Director | 16 May 2023 | 18 Apr 2026 | England | September 1974 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| JUTSUM, Alan Richard, Dr RESIGNED | Director | 01 Jun 2002 | 18 Mar 2019 | England | March 1952 | 37 Rances Lane, Wokingham, Berkshire, RG40 2LG |
| JUTSUM, Lisa-Jane Rebecca, Dr RESIGNED | Director | 13 Aug 2014 | 30 Nov 2022 | England | February 1982 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |
| KENNEDY, Stephen Howard RESIGNED | Director | 01 Sep 1999 | 13 Aug 2014 | United Kingdom | September 1955 | 27 Paget Drive, Maidenhead, Berkshire, SL6 3PT |
| LE PATOUREL, Geoffrey Noel John RESIGNED | Director | | 30 Sep 1998 | | July 1944 | 57 Spinis, Bracknell, Berkshire, RG12 8XA |
| MEITNER, Philip Franz RESIGNED | Director | | 19 Jan 1996 | United Kingdom | February 1930 | Moor Court Farm, Sparsholt, Winchester, Hampshire, SO21 2NQ |
| RAWLE, Neal William RESIGNED | Director | 01 Sep 1999 | 17 Sep 2025 | United Kingdom | July 1962 | Imperial House, Oaklands Business Centre, Oaklands Park, Wokingham, Berkshire, RG41 2FD |