| ARCHIBALD, Hamish ACTIVE | Director | 03 May 2017 | | United Kingdom | March 1968 | 40e, Warwick Avenue, London, W9 2PT, England |
| CRAWFORD, Alexander Ross ACTIVE | Director | 26 Nov 2004 | | Singapore | September 1968 | 40 Warwick Avenue, London, W9 2PT |
| DARSINOS, Theofanis ACTIVE | Director | 12 Aug 2021 | | United Arab Emirates | February 1978 | 40 Warwick Avenue, Little Venice, London, W9 2PT |
| TRAUB, Alan Soloman ACTIVE | Director | 07 Oct 2014 | | United Kingdom | July 1954 | The Studio, 40 Warwick Avenue, London, W9 2PT, United Kingdom |
| WALLACE, Matthew ACTIVE | Director | 15 Oct 2015 | | England | May 1971 | 40c Warwick Avenue, Warwick Avenue, London, W9 2PT, England |
| BISCOE-TAYLOR, Helen RESIGNED | Secretary | 01 Sep 2001 | 26 Nov 2004 | | | 40 Warwick Avenue, London, W9 2PT |
| BURNAND, Robert George RESIGNED | Secretary | 05 Feb 1998 | 03 Sep 1999 | | | 22 Clifton Road, Little Venice, London, W9 1ST |
| CRAWFORD, Maria Margaret RESIGNED | Secretary | 14 Sep 2006 | 16 Oct 2007 | | | 40 Warwick Avenue, London, W9 2PT |
| FOX, Celina Anna, Dr RESIGNED | Secretary | 16 Oct 2007 | 17 Sep 2012 | | | 40 Warwick Avenue, Warwick Avenue, London, W9 2PT |
| FOX, Celina Anna, Dr RESIGNED | Secretary | 25 Mar 1996 | 05 Feb 1998 | | | 40 Warwick Avenue, Warwick Avenue, London, W9 2PT |
| PEPPIATT, Brian Chalmers RESIGNED | Secretary | | 25 Mar 1996 | | | 47 Maida Vale, London, W9 1SH |
| RAMSKOLD, Lars Olof RESIGNED | Secretary | 17 Jan 2015 | 30 Jun 2021 | | | Lars Ramskold, Starrangsringen 16, Stockholm, 11550, Sweden |
| REITINGER, Maria-Sabina, Mrs. RESIGNED | Secretary | 04 Oct 2012 | 17 Jan 2015 | | | 40 Warwick Avenue, Little Venice, London, W9 2PT |
| SOLITAIRE SECRETARIES LTD RESIGNED | Secretary | 03 Sep 1999 | 11 Apr 2001 | | | Lynwood House, 10 Victors Way, Barnet, Hertfordshire, EN5 5TZ |
| ARCHIBALD, Jan RESIGNED | Director | | 03 May 2017 | England | October 1949 | 40 Warwick Avenue, London, W9 2PT |
| BOURNE, Patrick RESIGNED | Director | | 01 Jul 1996 | | July 1952 | 6 Dundas Street, Edinburgh, Midlothian, EH3 6HZ |
| BRINTON, Margaret Danvers RESIGNED | Director | | 03 May 1995 | | May 1949 | 40 Warwick Avenue, London, W9 2PR |
| FOX, Celina Anna, Dr RESIGNED | Director | | 16 Oct 2015 | United Kingdom | May 1947 | 40 Warwick Avenue, Warwick Avenue, London, W9 2PT |
| GUDMUNDSDOTTIR, Bjork RESIGNED | Director | 13 Mar 1993 | 07 Oct 2014 | Usa | November 1965 | Studio Flat, 40 Warwick Avenue, London, W9 2PT |
| NIXON, Guy Francis Adrian RESIGNED | Director | 12 Jan 1995 | 26 Nov 2004 | England | September 1963 | Ground Floor Flat, 29 Elgin Crescent Kensington, London, W11 2JD |
| RAMSKOLD, Lars Olof RESIGNED | Director | 24 Mar 2014 | 30 Jun 2021 | Sweden | November 1954 | 53, Karlavagen, Stockholm, 11449, Sweden |
| REITINGER, Maria - Sabina RESIGNED | Director | | 14 Jul 2026 | United Kingdom | September 1943 | 40 Warwick Avenue, London, W9 2PT |
| SHAW, Richard Andrew RESIGNED | Director | | 13 Mar 1993 | | February 1954 | The Studio 40 Warwick Avenue, Maida Vale, London, W9 |
| THOMPSON, John RESIGNED | Director | 01 Jul 1996 | 07 Sep 2012 | United Kingdom | January 1948 | Top Flat 40 Warwick Avenue, London, W9 2PT |