| PICKERING, Alastair Michael ACTIVE | Secretary | 20 Oct 2015 | | | | Monomark House, 27 Old Gloucester Street, London, Greater London, WC1N 3AX, England |
| PICKERING, Georgia Rose ACTIVE | Director | 02 Sep 2014 | | England | June 1987 | Monomark House, 27 Old Gloucester Street, London, Greater London, WC1N 3AX, England |
| GRIMWOOD, Brian David RESIGNED | Secretary | 10 Jun 1997 | 28 Aug 2010 | | | Elsinore House, 77 Fulham Palace Road, London, W6 8JA |
| HARRISON, Edward John RESIGNED | Secretary | | 05 Feb 1994 | | | 6 Gloucester House, Courtlands Sheen Road, Richmond, Surrey, TW10 5BB |
| KANE, Christine RESIGNED | Secretary | 28 Aug 2010 | 11 Dec 2015 | | | Building 3, Chiswick Park, 566 Chiswick High Road, London, W4 5YA, England |
| KANE, Christine Hilda RESIGNED | Secretary | 01 Jul 1994 | 10 Jun 1997 | | | 6a Bloom Park Road, Fulham, London, SW6 7BG |
| ALINEK, Michael Stuart RESIGNED | Director | 11 Aug 1998 | 01 Oct 2006 | England | May 1950 | 7 Upton Lodge Close, Bushey, Watford, Hertfordshire, WD23 1AG |
| ASHBOURNE-WALMSLEY, Alexandra Elizabeth Godfrey, Dr RESIGNED | Director | 10 Aug 2015 | 31 Dec 2019 | England | February 1971 | Suite 5, 192b Station Road, Edgware, Middlesex, HA8 7AR, England |
| GREGORY, Kenneth Albert RESIGNED | Director | 10 Jun 1997 | 06 Oct 2003 | | July 1926 | C/O 20 Kilmorie, Ilsham Marine Drive, Torquay, Devon, TQ1 2HU |
| JOHNSTONE, Nicholas Henry RESIGNED | Director | | 10 Aug 2015 | United Kingdom | October 1945 | Building 3, Chiswick Park, 566 Chiswick High Road, London, W4 5YA, England |
| KAMLISH, Michael David RESIGNED | Director | | 21 Jul 1993 | | May 1956 | 15 Orchard Avenue, Finchley, London, N3 3NL |
| KANE, Christine Hilda RESIGNED | Director | 10 Jun 1997 | 10 Aug 2015 | United Kingdom | August 1953 | Building 3, Chiswick Park, 566 Chiswick High Road, London, W4 5YA, England |
| LOCKWOOD, Alan John RESIGNED | Director | 10 Aug 2015 | 28 Jun 2019 | England | October 1951 | Suite 5, 192b Station Road, Edgware, Middlesex, HA8 7AR, England |
| MACKARNESS, Victoria Rose RESIGNED | Director | 10 Sep 2021 | 20 Nov 2023 | England | October 1992 | 3rd Floor, 86-90 Paul Street, London, EC2A 4NE, England |
| MOLLER, Victoria Sara Margaret RESIGNED | Director | 16 Jan 2009 | 26 Jun 2019 | England | August 1971 | Suite 5, 192b Station Road, Edgware, Middlesex, HA8 7AR, England |
| WILLIAMS, Gordon Howat RESIGNED | Director | 10 Jun 1997 | 10 Aug 2015 | United Kingdom | December 1931 | Building 3, Chiswick Park, 566 Chiswick High Road, London, W4 5YA, England |