| TRAYNOR, John Devon ACTIVE | Secretary | 28 Aug 2025 | | | | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| BETTS, John Martin William ACTIVE | Director | 27 Jul 2020 | | England | January 1971 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| MILLER, Ewan James ACTIVE | Director | 01 Sep 2025 | | England | November 1972 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| RUBIN, Marius Ernest ACTIVE | Director | 20 Dec 2019 | | England | June 1988 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| SMITH, Donal Patrick ACTIVE | Director | 01 Sep 2025 | | England | April 1979 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| BRAY, Sally-Ann RESIGNED | Secretary | 01 Aug 2020 | 28 Aug 2025 | | | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| ELWEN, David Vivian RESIGNED | Secretary | 27 Jun 1995 | 01 Jan 2014 | | | 18 Queens Grove, St Johns Wood, London, NW8 6EL |
| GREENHALGH, Simon Nicholas RESIGNED | Secretary | 01 Jan 2014 | 27 Jul 2020 | | | 13, Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| GRIMSHAW, John Adrian Varcoe RESIGNED | Secretary | | 27 Jun 1995 | | | 32 Alwyn Avenue, Chiswick, London, W4 4PB |
| BELL, Justin Wade RESIGNED | Director | 27 Jul 2020 | 01 Apr 2025 | United States | August 1978 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| BUCKROYD, Andrew David RESIGNED | Director | 14 Jan 2016 | 27 Jul 2020 | England | August 1965 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| COSTER, Malcolm David RESIGNED | Director | 28 Oct 2005 | 30 Jun 2011 | England | June 1944 | Rivendell 46 Golfside, South Cheam, Sutton, Surrey, SM2 7EZ |
| DAVIS, Jonathan Philip Lindsay RESIGNED | Director | 08 Oct 2015 | 19 Oct 2017 | United Kingdom | July 1965 | 13 Charles Ii Street, London, SW1Y 4QU, England |
| DEAN, Alexander Christopher RESIGNED | Director | 17 Jun 1994 | 31 Aug 2025 | England | January 1964 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| DOWTHWAITE, John Curtiss, Dr RESIGNED | Director | 03 Mar 1995 | 27 Jul 2020 | | July 1961 | Shawford Cottage, Bridge Lane, Shawford, Hampshire, SO21 2DL |
| ELWEN, David Vivian RESIGNED | Director | 17 Jun 1994 | 30 Apr 2014 | United Kingdom | November 1958 | 18 Queens Grove, St Johns Wood, London, NW8 6EL |
| FOTHERINGHAM, John RESIGNED | Director | | 01 May 1992 | | March 1957 | 5 Florian Road, Putney, London, SW15 2NL |
| GANGI, Craig Francis RESIGNED | Director | 27 Jul 2020 | 04 Dec 2020 | United States | December 1967 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| GANNON, Brian RESIGNED | Director | | 22 Oct 1994 | | May 1960 | 63 Lothrop Street, London, W10 4JD |
| GREENHALGH, Simon Nicholas RESIGNED | Director | 24 Feb 2015 | 03 Feb 2026 | England | July 1981 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| GRIMSHAW, John Adrian Varcoe RESIGNED | Director | 17 Jun 1994 | 11 Jan 1995 | | July 1962 | 32 Alwyn Avenue, Chiswick, London, W4 4PB |
| KILVINGTON, Helen Alice RESIGNED | Director | 20 Dec 2019 | 31 Aug 2026 | England | November 1980 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| NEALE, Matthew Richard RESIGNED | Director | 20 Dec 2019 | 17 May 2021 | England | January 1972 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| OLSEN, Jeremy Neal RESIGNED | Director | 13 Feb 2014 | 04 May 2018 | United Kingdom | October 1973 | 13, Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| PARLETT, Timothy RESIGNED | Director | | 22 Oct 1994 | | November 1959 | 47 Essendine Road, London, W9 2LX |
| PITTS, Michael Oliver RESIGNED | Director | 13 Feb 2014 | 11 Oct 2016 | United Kingdom | January 1977 | 13 Charles Ii Street, London, SW1Y 4QU, United Kingdom |
| PROUT, James Martin RESIGNED | Director | 27 May 1991 | 17 Jan 1994 | | August 1959 | 42 Manor Drive, Ewell, Epsom, Surrey, KT19 0ET |
| RIDGWAY, Angus RESIGNED | Director | 01 Feb 2015 | 19 Oct 2017 | England | April 1966 | 13 Charles Ii Street, London, SW1Y 4QU, England |
| SCOTT, Jane RESIGNED | Director | 10 Mar 2016 | 19 Oct 2017 | England | August 1963 | 13 Charles Ii Street, London, SW1Y 4QU, England |
| SOKOLOWSKI, Kathleen Maria RESIGNED | Director | 16 Jan 2026 | 14 Sep 2026 | England | July 1979 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| WALKER, Mark RESIGNED | Director | 04 Dec 2020 | 01 Apr 2025 | United Kingdom | May 1973 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| WARD, Michael John RESIGNED | Director | 01 May 2003 | 02 Oct 2005 | England | January 1963 | Manor Lodge, Manor Park Road, Chislehurst, Kent, BR7 5PY |
| WARDLE, John Henry RESIGNED | Director | 27 Jul 2020 | 07 Sep 2026 | England | December 1967 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| WEBB, Daniel Felix Anders RESIGNED | Director | 17 May 2021 | 31 Aug 2025 | England | September 1977 | Bankside 3, 90-100 Southwark Street, London, SE1 0SW, England |
| WILKINSON, Sydney Munroe RESIGNED | Director | 17 Jun 1994 | 30 Apr 1999 | England | April 1955 | 34 Arlington Gardens, Chiswick, London, W4 4EY |
| WILLIAMS, Simon John RESIGNED | Director | 16 Mar 1997 | 21 Feb 2017 | England | April 1963 | Rectory Lodge, 2a Kirkwick Avenue, Harpenden, Hertfordshire, AL5 2QL |