| DODWELL, Laura Marie ACTIVE | Secretary | 16 Sep 2021 | | | | 32, Great James Street, London, WC1N 3HB |
| BUCKMASTER, Adrian Charles, Viscount ACTIVE | Director | 20 Nov 1997 | | United Kingdom | February 1949 | 32, Great James Street, London, WC1N 3HB, England |
| BUCKMASTER, Toby Colin ACTIVE | Director | 01 Dec 2023 | | England | April 1991 | 32, Great James Street, London, WC1N 3HB |
| ELLIOTT, Thomas Charles ACTIVE | Director | 03 May 2023 | | England | January 1975 | 32, Great James Street, London, WC1N 3HB |
| GIBBON, Adam Charles ACTIVE | Director | 20 Nov 1997 | | England | October 1965 | 32, Great James Street, London, WC1N 3HB, England |
| GINNETT, Fiona Marie ACTIVE | Director | 01 Sep 2023 | | England | July 1986 | 32, Great James Street, London, WC1N 3HB |
| HALLAS, Rory ACTIVE | Director | 17 Jul 2025 | | United Kingdom | March 1982 | 32, Great James Street, London, WC1N 3HB |
| LEWIS, Hannah Bethan ACTIVE | Director | 12 Dec 2019 | | England | April 1984 | 32, Great James Street, London, WC1N 3HB |
| MITCHELL, Thomson Henry Charles ACTIVE | Director | 10 Dec 2015 | | United Kingdom | February 1978 | 32, Great James Street, London, WC1N 3HB |
| NOEL, Robert Montague ACTIVE | Director | 01 Apr 2022 | | England | June 1964 | 32, Great James Street, London, WC1N 3HB |
| SIMPSON, Charles Maitland ACTIVE | Director | 04 Feb 2025 | | United Kingdom | October 1961 | 32, Great James Street, London, WC1N 3HB |
| TAVENER, Thomas Henry ACTIVE | Director | 05 Jul 2012 | | United Kingdom | November 1980 | 32, Great James Street, London, WC1N 3HB, England |
| GATFIELD, Graham Robert RESIGNED | Secretary | 30 Apr 1998 | 01 Sep 2003 | | | 38 Ambleside Road, Bexleyheath, Kent, DA7 5DS |
| GRIFFIN, Bernadette Helen RESIGNED | Secretary | 01 Sep 2003 | 31 Dec 2021 | | | 32, Great James Street, London, WC1N 3HB, England |
| NEEVES, David Andrew RESIGNED | Secretary | | 30 Apr 1998 | | | Blackmoor Farmhouse, Sheephurst Lane Marden, Tonbridge, Kent, TN12 9NS |
| ANDREWS, Jamieson Oliver RESIGNED | Director | 28 Jun 2004 | 31 Dec 2022 | United Kingdom | October 1957 | 32, Great James Street, London, WC1N 3HB, England |
| BUCKMASTER, Colin John, Honourable RESIGNED | Director | | 20 Nov 1997 | | April 1923 | Ryece Hall Dux Street, Brettenham, Ipswich, Suffolk, IP7 7QT |
| BURDON COOPER, Alan Ruthven RESIGNED | Director | | 18 Nov 2010 | England | June 1942 | 32, Great James Street, London, WC1N 3HB, England |
| GIBBON, David Henry RESIGNED | Director | | 14 Nov 2018 | England | March 1947 | 32, Great James Street, London, WC1N 3HB, England |
| GIBBON, Henry RESIGNED | Director | | 20 Nov 1997 | | August 1918 | The Lodge, Great Bentley, Colchester, Essex, CO7 8RP |
| GIBBON, Robin Bernard Jacomb RESIGNED | Director | | 08 Nov 2012 | England | April 1929 | 32, Great James Street, London, WC1N 3HB, England |
| GIBBON, Thomas Geoffrey Jacomb RESIGNED | Director | 11 May 1995 | 31 Mar 2026 | United Kingdom | March 1963 | 32, Great James Street, London, WC1N 3HB, England |
| GREENACRE, Anna Katharine RESIGNED | Director | 10 May 2007 | 21 Nov 2024 | England | August 1963 | 32, Great James Street, London, WC1N 3HB, England |
| LEWIS, Richard Towry RESIGNED | Director | | 18 Nov 2020 | England | March 1952 | 32, Great James Street, London, WC1N 3HB, England |
| MOORE, Andrew James RESIGNED | Director | 11 Sep 1997 | 01 Sep 2023 | England | October 1965 | 32, Great James Street, London, WC1N 3HB, England |
| MOORE, Peter Withers, Major RESIGNED | Director | | 31 May 1997 | | May 1918 | 37 Granville Road, Cowes, Isle Of Wight, PO31 7JF |
| ROGERS, Andrew John RESIGNED | Director | | 17 Nov 2022 | England | May 1945 | 32, Great James Street, London, WC1N 3HB, England |
| SMITH, Jason Noel RESIGNED | Director | 14 Dec 2017 | 22 Mar 2023 | England | February 1973 | 32, Great James Street, London, WC1N 3HB |
| TAVENER, Ann Susan RESIGNED | Director | 30 Nov 1990 | 31 Mar 2007 | | September 1950 | The Grange, Brettenham, Ipswich, Suffolk, IP7 7PA |
| TAVENER, Nicholas John Willett RESIGNED | Director | 10 May 2007 | 16 Nov 2023 | United Kingdom | February 1949 | 32, Great James Street, London, WC1N 3HB, England |
| TAYLOR, Nicholas Robert Charles RESIGNED | Director | 16 Mar 2023 | 10 Nov 2023 | England | June 1975 | 32, Great James Street, London, WC1N 3HB |
| WHITE, Lionel Alfred RESIGNED | Director | 30 Nov 1990 | 16 Nov 2000 | | September 1916 | Wychgate, 20 Hill Road, Brentwood, Essex, CM14 4QY |