| FALCONER, Adele Christine ACTIVE | Secretary | 07 May 2015 | | | | 8 King Street, St James's, London, SW1Y 6QT |
| BARRY, Karl Michael ACTIVE | Director | 15 Apr 2020 | | England | March 1977 | 8 King Street, St. James's, London, SW1Y 6QT, England |
| STEVENS, Annelies Emma ACTIVE | Director | 13 Apr 2016 | | England | May 1978 | 8 King Street, St James's, London, SW1Y 6QT, England |
| AYDON, Richard Hinchliffe RESIGNED | Secretary | 29 Nov 1999 | 29 Feb 2008 | | | 13 Blatchington Road, Tunbridge Wells, Kent, TN2 5EG |
| BRENNAN-JESSON, Gordon Frederick RESIGNED | Secretary | | 30 Nov 1999 | | | 10 Browns Wood, East Grinstead, West Sussex, RH19 2RS |
| DEEMING, Nicholas RESIGNED | Secretary | 29 Feb 2008 | 31 Dec 2009 | | | 8, King Street, St. James's, London, SW1Y 6QT |
| GHINN, Sarah RESIGNED | Secretary | 31 Dec 2009 | 07 May 2015 | | | 69, Thrale Road, London, SW16 1NU, England |
| ANDERS, Philip William RESIGNED | Director | 30 Oct 2008 | 31 Dec 2009 | United Kingdom | October 1961 | 50c, Chesson Road, London, W14 9QX |
| AYDON, Richard Hinchliffe RESIGNED | Director | 16 Oct 2007 | 29 Feb 2008 | | March 1955 | 13 Blatchington Road, Tunbridge Wells, Kent, TN2 5EG |
| AYDON, Richard Hinchliffe RESIGNED | Director | 22 Oct 1996 | 28 Feb 1999 | | March 1955 | 13 Blatchington Road, Tunbridge Wells, Kent, TN2 5EG |
| BARTHAUD, Paul Alexander RESIGNED | Director | 31 Mar 2000 | 01 Mar 2001 | England | March 1956 | 41 Upfield, Croydon, CR0 5DR |
| BOWDEN, Latasha Joan RESIGNED | Director | 30 Mar 2017 | 14 Jun 2017 | United Kingdom | April 1980 | 8 King Street, St James's, London, SW1Y 6QT |
| BRENNAN-JESSON, Gordon Frederick RESIGNED | Director | | 30 Nov 1999 | United Kingdom | February 1944 | 10 Browns Wood, East Grinstead, West Sussex, RH19 2RS |
| CARTER, Sophie Jane RESIGNED | Director | 08 Jul 2011 | 14 Apr 2016 | England | September 1969 | 8 King Street, St James's, London, SW1Y 6QT |
| CHESWORTH, Jane Bernadette RESIGNED | Director | 11 Apr 2001 | 24 Nov 2008 | | November 1958 | 13 Burgh Street, Islington, London, N1 8HF |
| CLAYTON-JONES, Christopher Edmund RESIGNED | Director | 31 Dec 2009 | 22 Apr 2016 | England | November 1970 | 8 King Street, St James's, London, SW1Y 6QT |
| COLLINS, Ian Richard RESIGNED | Director | 21 Apr 2016 | 30 Mar 2017 | England | May 1967 | 8, King Street, St. James's, London, SW1Y 6QT, England |
| CURIEL, Francois Philippe RESIGNED | Director | 31 Dec 2009 | 08 Jul 2011 | Switzerland | September 1948 | 8, Place De La Taconnerie, 1204 Geneva, Switzerland |
| DAVIDGE, Christopher Michael RESIGNED | Director | | 31 Dec 1999 | | August 1945 | Flat 18 Georgian House, 10 Bury Street, London, SW1Y 6AA |
| DUNCAN, Adam James RESIGNED | Director | 30 Oct 2008 | 31 Dec 2009 | England | October 1963 | 18 Shottfield Avenue, London, SW14 8EA |
| FOSTER, Andrew Pierrepont RESIGNED | Director | 31 Dec 2009 | 16 Jan 2011 | Usa | October 1951 | 8 King Street, St James's, London, SW1Y 6QT |
| MOORE, David Robert RESIGNED | Director | 17 Oct 2002 | 17 Oct 2007 | | February 1966 | 33 Fentiman Road, London, SW18 1LD |
| MULDER, Patricia Nathalie RESIGNED | Director | 02 May 2018 | 22 Nov 2019 | England | July 1971 | 8 King Street, St. James's, London, SW1Y 6QT, England |
| NEWELL, Amanda Diane RESIGNED | Director | 01 Mar 2003 | 01 Feb 2009 | | December 1963 | Thorne Cottage, 11a Warwick Lane, Woking, Surrey, GU21 7RP |
| REEVE, Colin Michael RESIGNED | Director | | 31 May 2002 | | March 1937 | 24 Acacia Road, Hampton, Middlesex, TW12 3DS |
| TYLER, David Alan RESIGNED | Director | 15 Dec 1995 | 31 Dec 1996 | | January 1953 | 6 Ernle Road, Wimbledon, London, SW20 0HJ |
| WARD, Andrew Jonathan RESIGNED | Director | 14 Jun 2017 | 09 May 2018 | England | December 1964 | 8 King Street, St James's, London, SW1Y 6QT, England |