| FALCONER, Adele Christine ACTIVE | Secretary | 07 May 2015 | | | | 8 King Street, St James's, London, SW1Y 6QT |
| CARTER, Sophie Jane ACTIVE | Director | 09 Jun 2011 | | England | September 1969 | 8 King Street, St James's, London, SW1Y 6QT |
| NORMAN, Timothy John ACTIVE | Director | 02 May 2018 | | England | April 1975 | 8 King Street, St. James's, London, SW1Y 6QT, England |
| ALLISON, David Norman RESIGNED | Secretary | | 31 Aug 1991 | | | 1 Radnor Cottages, London, SE3 9AW |
| AYDON, Richard Hinchliffe RESIGNED | Secretary | 01 Apr 1999 | 29 Feb 2008 | | | 13 Blatchington Road, Tunbridge Wells, Kent, TN2 5EG |
| DEEMING, Nicholas RESIGNED | Secretary | 29 Feb 2008 | 31 Dec 2009 | | | 8, King Street, St. James's, London, SW1Y 6QT |
| DITE, Patricia Irene RESIGNED | Secretary | 27 Apr 1998 | 31 Mar 1999 | | | Piers Cottage Village Way, Little Chalfont, Amersham, Buckinghamshire, HP7 9PX |
| GHINN, Sarah RESIGNED | Secretary | 31 Dec 2009 | 07 May 2015 | | | 69, Thrale Road, London, SW16 1NU, England |
| HORNE, Harry Raymond William RESIGNED | Secretary | 01 Sep 1991 | 27 Apr 1998 | | | 10 Thorpe Street, Aston Upthorpe, Didcot, Oxfordshire, OX11 9EG |
| ALLISON, David Norman RESIGNED | Director | | 24 Feb 1992 | | January 1939 | 1 Radnor Cottages, London, SE3 9AW |
| ANDERS, Philip William RESIGNED | Director | 01 Dec 2008 | 31 Dec 2009 | United Kingdom | October 1961 | 50c, Chesson Road, London, W14 9QX |
| ANNESLEY, Arthur Noel Grove RESIGNED | Director | 25 Feb 1992 | 01 Nov 2005 | United Kingdom | December 1941 | 103 Dulwich Village, London, SE21 7BJ |
| AYDON, Richard Hinchliffe RESIGNED | Director | 24 Nov 1995 | 29 Feb 2008 | | March 1955 | 13 Blatchington Road, Tunbridge Wells, Kent, TN2 5EG |
| BENTLEY, Jeremy George RESIGNED | Director | 30 Apr 2014 | 31 Mar 2017 | England | September 1969 | 8 King Street, St James's, London, SW1Y 6QT |
| BROOKS, Stephen John RESIGNED | Director | 31 Dec 2009 | 12 Apr 2016 | England | April 1965 | 8 King Street, St James's, London, SW1Y 6QT |
| CHESWORTH, Jane Bernadette RESIGNED | Director | 25 Feb 2003 | 24 Nov 2008 | | November 1958 | 13 Burgh Street, Islington, London, N1 8HF |
| DAVIDGE, Christopher Michael RESIGNED | Director | | 31 Dec 1999 | | August 1945 | Flat 18 Georgian House, 10 Bury Street, London, SW1Y 6AA |
| DOLMAN, Edward James RESIGNED | Director | 31 Dec 2009 | 30 Jun 2011 | United Kingdom | February 1960 | 8 King Street, St James's, London, SW1Y 6QT |
| DUNCAN, Adam James RESIGNED | Director | 21 Sep 2004 | 11 Apr 2014 | England | October 1963 | 8 King Street, St James's, London, SW1Y 6QT |
| FORBES, Colin Graham RESIGNED | Director | 09 Jan 1997 | 31 Dec 2001 | | July 1940 | 18 Edenhall Close, Hemel Hempstead, Hertfordshire, HP2 4ND |
| KING, Lisa Jan RESIGNED | Director | 31 Dec 2009 | 11 Mar 2011 | United Kingdom | November 1959 | 8 King Street, St James's, London, SW1Y 6QT |
| TURNER, Lynne RESIGNED | Director | 12 Apr 2016 | 30 Jun 2017 | England | July 1962 | 8 King Street, St James's, London, SW1Y 6QT, England |
| WARD, Andrew Jonathan RESIGNED | Director | 31 Mar 2017 | 09 May 2018 | England | December 1964 | 8 King Street, St James's, London, SW1Y 6QT |