| SVOJSIKOVA, Helena Olga Julie ACTIVE | Secretary | 01 Oct 2025 | | | | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| BAGHITOUSI, Mehdi ACTIVE | Director | 25 Oct 2012 | | United Kingdom | July 1955 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| BREWS, Adam Ben ACTIVE | Director | 31 Mar 2022 | | England | December 1992 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| DAVIES, Gillian Linda ACTIVE | Director | 05 Nov 2024 | | United Kingdom | July 1961 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| ELLIS, Hilary Susan ACTIVE | Director | 05 Nov 2024 | | England | November 1957 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| GAMBLE, Cynthia Joan, Dr ACTIVE | Director | 02 Apr 2003 | | United Kingdom | December 1941 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| RISSBROOK, Anthony Edward ACTIVE | Director | 24 Jun 2014 | | England | January 1967 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| SVOJSIKOVA, Helena Olga Julie ACTIVE | Director | 13 Jul 1999 | | United Kingdom | March 1945 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| BOURNE, Verity Anne RESIGNED | Secretary | 05 Aug 1996 | 11 Mar 1999 | | | The Dolls House, Ettington, Stratford Upon Avon, Warwickshire, CV37 7TN |
| FINN, Pamela Emille Howie RESIGNED | Secretary | 11 Mar 1999 | 11 Oct 2000 | | | 5 Ridgeway Close, Chesham, Buckinghamshire, HP5 2EP |
| JARVIS, Leonard George RESIGNED | Secretary | | 18 Apr 1995 | | | Flat 40, 49 Hallam Street, London, W1N 5LL |
| READ, Peter John RESIGNED | Secretary | 18 Apr 1995 | 05 Aug 1996 | | | Apartment A 47 Finsbury Park Road, London, N4 2JY |
| RUSSELL-BLACKBURN, Gillian RESIGNED | Secretary | 29 Jun 2022 | 01 Oct 2025 | | | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| SHEARER, Mary Frances RESIGNED | Secretary | 05 Dec 2001 | 20 May 2022 | | | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| SWEET, Graham Francis RESIGNED | Secretary | 31 Oct 2000 | 06 Nov 2001 | | | 17 Grantley Road, Guildford, Surrey, GU2 8BW |
| BAXTER, Joan Maureen RESIGNED | Director | 01 Jul 1996 | 15 Apr 2021 | United Kingdom | May 1933 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| BOURNE, Verity Anne RESIGNED | Director | 11 Mar 1999 | 15 Aug 2019 | England | July 1941 | Wessex House, Priors Walk, East Borough, Wimborne, BH21 1PB, England |
| BOURNE, Verity Anne RESIGNED | Director | | 30 Jun 1998 | | July 1941 | The Dolls House, Ettington, Stratford Upon Avon, Warwickshire, CV37 7TN |
| BRIERLEY, Jonathan Charles Buckley RESIGNED | Director | | 06 Dec 1993 | | January 1950 | Flat 82, 49 Hallam Street, London, W1N 5LM |
| CROOK, Arnold Michael RESIGNED | Director | 14 Jul 1998 | 23 Sep 2021 | United Kingdom | May 1938 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| DAVIES, Gillian Linda RESIGNED | Director | 21 Mar 2024 | 19 Sep 2024 | United Kingdom | July 1961 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| GLASS, Stephen Arnold RESIGNED | Director | 18 Apr 1995 | 31 Aug 2023 | United Kingdom | April 1936 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| HAILL, Peter John RESIGNED | Director | 12 Oct 1995 | 13 Feb 2001 | | November 1939 | Flat 75, 49 Hallam Street, London, W1N 5LQ |
| JARVIS, Charles Mayes RESIGNED | Director | | 22 Jan 1996 | | February 1919 | Flat 78, 49 Hallam Street, London, W1N 5LK |
| JARVIS, Leonard George RESIGNED | Director | | 18 Apr 1995 | | August 1936 | Flat 40, 49 Hallam Street, London, W1N 5LL |
| LUCIA, Edna Mary RESIGNED | Director | | 14 Jun 1999 | | May 1912 | 49 Hallam Street, London, W1N 5LJ |
| REES, Robert Maitland RESIGNED | Director | 24 Oct 2018 | 02 Oct 2023 | England | November 1944 | 49, Hallam Street, The Management Office, London, W1W 6JW, England |
| SOANE, James William RESIGNED | Director | 01 Dec 2015 | 02 Mar 2017 | United Kingdom | April 1989 | The Exchange, 19 Newhall Street, Birmingham, B3 3PJ, England |
| SUMMERS, John Patrick RESIGNED | Director | 14 Jun 2007 | 27 Dec 2014 | England | January 1936 | Venture House, 25-29 Glasshouse Street, London, W1B 5DF |