| 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 |
| BRENNAN-JESSON, Gordon Frederick RESIGNED | Secretary | | 31 Dec 2008 | | | 10 Browns Wood, East Grinstead, West Sussex, RH19 2RS |
| DEEMING, Nicholas RESIGNED | Secretary | 01 Jan 2009 | 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 |
| ALLISON, David Norman RESIGNED | Director | | 24 Feb 1992 | | January 1939 | 1 Radnor Cottages, London, SE3 9AW |
| AYDON, Richard Hinchliffe RESIGNED | Director | 31 Dec 1996 | 28 Feb 1999 | | March 1955 | 13 Blatchington Road, Tunbridge Wells, Kent, TN2 5EG |
| BENTLEY, Jeremy George RESIGNED | Director | 30 Apr 2014 | 12 Apr 2016 | England | September 1969 | 8 King Street, St James's, London, SW1Y 6QT |
| 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 | | 31 Dec 2008 | United Kingdom | February 1944 | 10 Browns Wood, East Grinstead, West Sussex, RH19 2RS |
| COLLINS, Ian Richard RESIGNED | Director | 21 Apr 2016 | 30 Mar 2017 | England | May 1967 | 8, King Street, St. James's, London, SW1Y 6QT, England |
| 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 | 01 Jan 2009 | 11 Apr 2014 | England | October 1963 | 18 Shottfield Avenue, London, SW14 8EA |
| DUNCAN, Adam James RESIGNED | Director | 21 Feb 2000 | 20 Jun 2002 | | October 1963 | 14 Maldon Road, London, W3 6SU |
| FALCONER, Adele Christine RESIGNED | Director | 07 Aug 2019 | 28 Apr 2022 | England | October 1975 | 8 King Street, St James's, London, SW1Y 6QT |
| FOSTER, Andrew Pierrepont RESIGNED | Director | 31 Dec 2009 | 16 Jan 2011 | Usa | October 1951 | 8 King Street, St James's, London, SW1Y 6QT |
| HORNE, Harry Raymond William RESIGNED | Director | 31 Dec 1996 | 02 Mar 2000 | United Kingdom | October 1943 | 10 Thorpe Street, Aston Upthorpe, Didcot, Oxfordshire, OX11 9EG |
| KING, Lisa Jan RESIGNED | Director | 31 Dec 2009 | 11 Mar 2011 | United Kingdom | November 1959 | 8 King Street, St James's, London, SW1Y 6QT |
| MCDONALD, John Henry RESIGNED | Director | 07 Jul 2011 | 28 Aug 2015 | England | December 1959 | 8 King Street, St James's, London, SW1Y 6QT |
| MCDONALD, John Henry RESIGNED | Director | 20 Jun 2002 | 31 Dec 2009 | England | December 1959 | 1 Lonsdale Road, Dorking, Surrey, RH4 1JP |
| MULDER, Patricia Nathalie RESIGNED | Director | 02 May 2018 | 22 Nov 2019 | England | July 1971 | 8 King Street, St. James's, London, SW1Y 6QT, England |
| PHIPPS, Stephen David RESIGNED | Director | 03 Aug 2015 | 30 Oct 2017 | England | March 1971 | 8 King Street, St James's, London, SW1Y 6QT |
| STEVENS, Annelies Emma RESIGNED | Director | 13 Apr 2016 | 07 Aug 2019 | England | May 1978 | 8 King Street, St James's, London, SW1Y 6QT, England |
| TYLER, David Alan RESIGNED | Director | | 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 |