| BOYCE, Fiona Clare ACTIVE | Secretary | 01 Apr 2022 | | | | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| BANFIELD, Joanna ACTIVE | Director | 01 Jul 2020 | | England | January 1972 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| LEE, Deborah Clare ACTIVE | Director | 28 Nov 2022 | | England | February 1976 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| RAE, Jonathan Mark ACTIVE | Director | 01 Jul 2026 | | United Kingdom | July 1979 | 70 Grosvenor Street, London, W1K 3JP |
| RAYNOR, James Gilles ACTIVE | Director | 16 Jan 2020 | | United Kingdom | July 1973 | 70 Grosvenor Street, London, W1K 3JP |
| WHITTY-LEWIS, James Creyke Hulton ACTIVE | Director | 01 Dec 2025 | | United Kingdom | September 1981 | 70, Grosvenor Street, London, England, W1K 3JP, England |
| HARGREAVES, Alison Ann RESIGNED | Secretary | 09 Aug 1993 | 13 Aug 1999 | | | 49 St Georges Avenue, London, N7 0AJ |
| HOLLAND, William Robert RESIGNED | Secretary | | 09 Aug 1993 | | | 3 Angel Cottages, Milespit Hill, London, NW7 1RD |
| LEWIS, Derek John RESIGNED | Secretary | 07 Jun 2018 | 31 Mar 2022 | | | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| ROBINSON, Katharine Emma RESIGNED | Secretary | 01 Jul 2008 | 07 Jun 2018 | | | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| TOLHURST, Caroline Mary RESIGNED | Secretary | 13 Aug 1999 | 01 Jul 2008 | | | Flat B, 10 Oxberry Avenue, London, SW6 5SS |
| ARTHUR, Sylvia Rosamund RESIGNED | Director | 17 Jul 2006 | 30 Nov 2015 | United Kingdom | November 1956 | 2 Coleshill Road, Teddington, Middlesex, TW11 0LJ |
| ASHTON, Anthony Michael RESIGNED | Director | 01 Jan 1998 | 28 Feb 2003 | | July 1943 | Brackley Mountview Road, Claygate, Surrey, KT10 0UB |
| BANFIELD, Joanna RESIGNED | Director | 26 May 2017 | 31 Dec 2019 | England | January 1972 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| BLUNDELL, Roger Frederick Crawford RESIGNED | Director | 03 Apr 2008 | 25 Nov 2022 | United Kingdom | August 1962 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| COCKBURN, George Ian Macloy RESIGNED | Director | 01 Apr 1993 | 31 Dec 1997 | | June 1945 | 20 Brokes Crescent, Reigate, Surrey, RH2 9PS |
| DAVIES, Susan Wendy RESIGNED | Director | 01 Jan 1998 | 28 Apr 2006 | | March 1951 | 15 Thorney Crescent, Morgan's Walk, Battersea, London, SW11 3TT |
| DE BROEKERT, Douglas Robert Jan RESIGNED | Director | 01 Jan 1993 | 31 Dec 1998 | | August 1939 | 22 Newcombe Park, Mill Hill, London, NW7 3QL |
| FAITH, Camilla Asabe Verona RESIGNED | Director | 02 Dec 2015 | 09 Feb 2020 | United Kingdom | November 1960 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| HAGGER, Jonathan Osborne RESIGNED | Director | 01 Jan 1992 | 10 Apr 2000 | United Kingdom | December 1949 | White Roding, 104 Warwick Park, Tunbridge Wells, Kent, TN2 5EN |
| HANDLEY, Richard Simon RESIGNED | Director | 10 Apr 2000 | 03 Apr 2008 | Uk | April 1954 | The Linhay, Ilsington, Newton Abbot, Devon, TQ13 9RS |
| HARDING-ROOTS, Simon Geoffrey RESIGNED | Director | 28 Apr 2016 | 30 Jun 2020 | England | April 1968 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| HENDERSON, Chantal Antonia RESIGNED | Director | 17 Oct 2014 | 31 Dec 2019 | England | December 1975 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| HOK, Jonathan Edward RESIGNED | Director | | 08 Oct 1992 | | October 1937 | Middle Oak Park, Farnham, Surrey, GU10 5EA |
| LIGHTBODY, Tanya RESIGNED | Director | 04 Nov 2010 | 15 Jun 2011 | United Kingdom | December 1971 | 43, The Woodlands, Esher, Surrey, KT10 8DD, United Kingdom |
| MAIR, Ian Douglas RESIGNED | Director | 03 Dec 2012 | 20 Jun 2014 | Scotland | July 1973 | 70, Grosvenor Street, London, England, W1K 3JP, England |
| MCWILLIAM, Craig David, Mr. RESIGNED | Director | 28 Apr 2016 | 10 Jan 2020 | United Kingdom | January 1972 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| MENDONCA, Jorge Emanuel RESIGNED | Director | 16 Jan 2020 | 30 Jun 2020 | England | July 1963 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| MUSGRAVE, Stephen Howard Rhodes RESIGNED | Director | 31 Dec 1998 | 30 Jun 2006 | United Kingdom | April 1953 | 4 Haverfield Gardens, Kew, Richmond, Surrey, TW9 3DD |
| NEWSUM, Jeremy Henry Moore RESIGNED | Director | | 10 Apr 2000 | England | April 1955 | Priory House, 59 Station Road, Swavesey, Cambridgeshire, CB4 5QJ |
| PETRIDES, Duriye RESIGNED | Director | 08 Jan 2014 | 16 Dec 2016 | United Kingdom | September 1973 | 70, Grosvenor Street, London, England, W1K 3JP, England |
| PRESTON, Mark Robin RESIGNED | Director | 30 Jun 2006 | 30 Jun 2008 | | January 1968 | Allerston Manor, Thornton Le Dale, Pickering, North Yorkshire, YO18 7PF |
| REDMAN, Colin John RESIGNED | Director | 01 Jan 1998 | 10 Apr 2000 | | May 1946 | 34 Pinewood Close, Broadbridge Heath, Horsham, West Sussex, RH12 3TP |
| REHER, Sharon Joan RESIGNED | Director | 12 Apr 2007 | 17 Mar 2010 | United Kingdom | June 1960 | 63 Lodge Road, Fetcham, Surrey, KT22 9QY |
| ROBINSON, Katharine Emma RESIGNED | Director | 01 Jul 2008 | 01 Jul 2008 | | June 1964 | 85a Gipsy Hill, London, SE19 1QL |
| SCHWARZ-RUNER, Ulrike RESIGNED | Director | 01 Feb 2011 | 28 Apr 2016 | England | April 1971 | 70, Grosvenor Street, London, W1K 3JP, United Kingdom |
| STAINES, Ian Michael Philip RESIGNED | Director | | 31 Dec 1991 | | October 1931 | The Old Rectory, Aldford, Chester, Cheshire, CH3 6JE |
| VERNON, Peter Sean RESIGNED | Director | 01 Jul 2008 | 31 Dec 2016 | England | July 1959 | 17 Liskeard Gardens, London, SE3 0PE |
| WILLIAMS, Raymond Charles RESIGNED | Director | 10 Apr 2000 | 31 Mar 2009 | | July 1953 | 5 Weldon Rise, Loughton Village, Milton Keynes, MK5 8BW |