| MARTIN, Sinead Mary ACTIVE | Secretary | 30 Jun 2016 | | | | 20, Vauxhall Bridge Road, London, SW1V 2SA, England |
| GATES, Robert James Squire ACTIVE | Director | 01 May 2022 | | United Kingdom | September 1985 | 20, Vauxhall Bridge Road, London, SW1V 2SA, England |
| HODGKINSON, Shaun David ACTIVE | Director | 30 Jun 2016 | | England | January 1972 | 20, Vauxhall Bridge Road, London, SW1V 2SA, England |
| KELLY, Paul Nicholas ACTIVE | Director | 30 Aug 2016 | | United Kingdom | July 1978 | 20, Vauxhall Bridge Road, London, SW1V 2SA, England |
| BLACKMAN, Linda Mary RESIGNED | Secretary | | 02 Aug 1993 | | | Churchwood Ongar Road, Stondon Massey, Brentwood, Essex, CM15 0LD |
| FULTON, Anita Therese RESIGNED | Secretary | 01 Jan 1998 | 04 Aug 2000 | | | 29 Charlwood Street, London, SW1V 2DZ |
| GILL, Peter Richard RESIGNED | Secretary | 02 Aug 1993 | 31 Dec 1997 | | | 30 Sheen Common Drive, Richmond, Surrey, TW10 5BN |
| PEACOCK, Helena Caroline RESIGNED | Secretary | 04 Aug 2000 | 30 Jun 2016 | | | 28 Lancaster Grove, London, NW3 4PB |
| ADAMS, John RESIGNED | Director | | 31 Dec 1995 | | June 1956 | Beech House, Uley, Dursley, Gloucestershire, GL11 5TE |
| ALLAN, Alexandra Stephanie RESIGNED | Director | 05 Aug 2016 | 30 Jul 2018 | England | December 1973 | 80 Strand, London, WC2R 0RL |
| BLACKMAN, Linda Mary RESIGNED | Director | | 12 Apr 1994 | England | October 1947 | Churchwood Ongar Road, Stondon Massey, Brentwood, Essex, CM15 0LD |
| DAVIS, Christopher John RESIGNED | Director | | 31 Dec 1999 | United Kingdom | June 1941 | 34 Half Moon Lane, London, SE24 9HU |
| DUHIGG, John William RESIGNED | Director | 02 Aug 2010 | 30 Jun 2016 | England | May 1966 | 80 Strand, London, WC2R 0RL |
| FIELD, Peter RESIGNED | Director | 06 Jul 2009 | 02 Jul 2012 | United Kingdom | August 1946 | 80 Strand, London, WC2R 0RL |
| FORBES WATSON, Anthony David RESIGNED | Director | 04 Aug 2000 | 28 Feb 2005 | | September 1954 | Saffron House, Ewelme, Wallingford, Oxfordshire, OX10 6HP |
| FORT, Alan James RESIGNED | Director | 08 Sep 1999 | 09 May 2000 | England | July 1956 | Woodside Barnet Wood Road, Bromley, Kent, BR2 8HJ |
| FULTON, Anita Therese RESIGNED | Director | 01 Jan 1998 | 04 Aug 2000 | | October 1962 | 29 Charlwood Street, London, SW1V 2DZ |
| GILL, Peter Richard RESIGNED | Director | 02 Aug 1993 | 31 Dec 1997 | United Kingdom | October 1955 | 30 Sheen Common Drive, Richmond, Surrey, TW10 5BN |
| HARE, Rodney James RESIGNED | Director | | 11 Sep 1998 | | April 1960 | Flat 1 52 Cleveland Square, Bayswater, London, W2 6DB |
| HARMAN, Richard RESIGNED | Director | | 15 Dec 1993 | | March 1948 | 35 Rudall Crescent, London, NW3 1RR |
| HOUSTON, David Oliver RESIGNED | Director | 02 Feb 1998 | 06 Sep 1999 | | April 1953 | 61 Hamilton Park South, Hamilton, Lanarkshire, ML3 0FH |
| HURST, Damon Holborne RESIGNED | Director | 01 Jan 1995 | 29 Sep 1995 | | July 1994 | 6 Mile End Place, London, E1 4BH |
| JOHNSON, Sally Kate Miranda RESIGNED | Director | 06 Jul 2009 | 26 May 2011 | United Kingdom | December 1973 | 99, Cranley Gardens, London, N10 3AD |
| JOLLANDS, Simon Aylmer RESIGNED | Director | | 18 Sep 2001 | England | November 1955 | Brook Barn, Graffham, Petworth, West Sussex, GU28 0PU |
| JUNE, Gary Lee RESIGNED | Director | 18 Aug 2005 | 06 Jul 2009 | | June 1962 | 268 South Boulevard, Upper Grandview, New York 10960, United States |
| KINDERSLEY, Peter David RESIGNED | Director | | 19 May 2000 | United Kingdom | July 1941 | 2 Methley Street, London, SE11 4AJ |
| LANDERS, Brian James RESIGNED | Director | 20 May 2003 | 31 Jul 2009 | United Kingdom | April 1949 | Briarbank House, 12a Childs Hill Road, Bookham Leatherhead, Surrey, KT23 3QG |
| MAKINSON, John Crowther RESIGNED | Director | 28 Feb 2005 | 01 Jan 2007 | England | October 1954 | 25 Richmond Crescent, London, N1 0LY |
| MIDDLEHURST, James Thomas RESIGNED | Director | 17 Aug 1998 | 01 Feb 2000 | United Kingdom | July 1957 | 10 Montana Road, Wimbledon, London, SW20 8TW |
| OLDFIELD, David William RESIGNED | Director | 16 Oct 1995 | 26 Jan 2001 | England | December 1962 | 10 Hill Rise, Hinchley Wood, Surrey, KT10 0AL |
| PEEBLER, David J RESIGNED | Director | 13 Jun 1994 | 27 Jan 1995 | | February 1962 | 135 Westbourne Park Road, London, W2 5QL |
| PHILLIPS, Andrew John RESIGNED | Director | 01 Jan 2007 | 02 Aug 2010 | United Kingdom | December 1963 | 21 Parkwood Avenue, Esher, Surrey, KT10 8DE |
| POWER, Charles Richard RESIGNED | Director | 10 May 2000 | 28 Feb 2003 | | April 1964 | 17 Cumberland Street, London, SW1V 4LS |
| SHEPHERD, Daniel Peter RESIGNED | Director | 13 Jul 2015 | 19 May 2016 | England | May 1978 | 80 Strand, London, WC2R 0RL |
| SMART, Rebecca Jane RESIGNED | Director | 01 Jan 2019 | 31 Dec 2023 | England | July 1971 | One Embassy Gardens, 8 Viaduct Gardens, London, SW11 7BW, England |
| THOMAS, Kimberley RESIGNED | Director | 27 Apr 1998 | 26 Feb 1999 | | June 1954 | 22 St Stephens Court, St Stephens Road, Ealing, London, W13 8HX |
| THOMPSON, Katharine Millicent RESIGNED | Director | 01 Jul 1995 | 17 Oct 1997 | | October 1960 | 20 Iveley Road, London, SW4 0EW |
| TWILLIGER, Stephen Todd RESIGNED | Director | 18 Apr 2011 | 05 Aug 2016 | Usa | September 1977 | 80 Strand, London, WC2R 0RL |
| WELHAM, Andrew Peter RESIGNED | Director | 31 Jan 2002 | 18 Aug 2005 | United Kingdom | January 1956 | 20 Daleside, Gerrards Cross, Buckinghamshire, SL9 7JE |