| CHEONG TUNG SING, Jane Christina ACTIVE | Secretary | 01 Nov 2021 | | | | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| GAFSEN, Martin David ACTIVE | Director | 22 Nov 2023 | | United Kingdom | June 1961 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| MOUNSEY, Andrew John ACTIVE | Director | 06 Sep 2024 | | United Kingdom | August 1978 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| TARRY, Jason Mark ACTIVE | Director | 12 Sep 2024 | | United Kingdom | May 1967 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| BLACKBURN, Simon Jim RESIGNED | Secretary | 07 Jun 2021 | 01 Nov 2021 | | | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| BUCHANAN, Alan RESIGNED | Secretary | 31 Jul 2014 | 31 Jan 2015 | | | Partnership House, Carlisle Place, London, SW1P 1BX, United Kingdom |
| CASELY-HAYFORD, Margaret Henrietta Augusta RESIGNED | Secretary | 28 Apr 2006 | 31 Jul 2014 | | | 171 Victoria Street, London, SW1E 5NN |
| HUBBER, Keith Michael RESIGNED | Secretary | 01 Feb 2015 | 31 Jan 2018 | | | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| NEVILLE, Terence Frank RESIGNED | Secretary | 10 May 2001 | 27 Apr 2006 | | | 171 Victoria Street, London, SW1E 5NN |
| PRITCHARD, Brian James RESIGNED | Secretary | | 09 May 2001 | | | The Chase, Garden Close Lane, Wash Common, Newbury, Berkshire, RG14 6PP |
| SIMPSON, Peter RESIGNED | Secretary | 31 Jan 2018 | 07 Jun 2021 | | | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| ALEXANDER, Ian David RESIGNED | Director | 22 Apr 2002 | 27 Nov 2005 | | March 1950 | 171 Victoria Street, London, SW1E 5NN |
| CARPENTER, John Barnard Grantley RESIGNED | Director | | 24 Dec 1999 | | April 1936 | Flat 4, 50 Compton Road, London, N1 2PB |
| CASSONI, Marisa Luisa RESIGNED | Director | 23 Aug 2006 | 31 Aug 2012 | United Kingdom | December 1951 | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| FELWICK, David Leonard RESIGNED | Director | 22 Apr 2002 | 03 Sep 2004 | United Kingdom | November 1944 | 171 Victoria Street, London, SW1E 5NN |
| GILCHRIST, Warren Llewellyn Russell Evan RESIGNED | Director | | 31 Jul 1992 | | June 1933 | Rook Hill, Monk Sherborne, Tadley, Hampshire, RG26 5HL |
| HAMPSON, Stuart RESIGNED | Director | | 26 Mar 2007 | | January 1947 | 171 Victoria Street, London, SW1E 5NN |
| HARRIS, Christopher Bryan, Mr RESIGNED | Director | 11 Apr 2019 | 17 Nov 2023 | United Kingdom | May 1968 | 171, Victoria Street, London, SW1E 5NN |
| KANKIWALA, Nishpank Rameshbabu RESIGNED | Director | 01 Jun 2023 | 26 Mar 2025 | England | December 1957 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| KEEN, Nigel RESIGNED | Director | 22 Nov 2001 | 31 Jan 2018 | England | October 1961 | 171 Victoria Street, London, SW1E 5NN |
| KING, Howard Michael John RESIGNED | Director | | 23 Jul 2004 | | July 1944 | 83 Upland Road, Sutton, Surrey, SM2 5JA |
| LEWIS, John Patrick RESIGNED | Director | 22 Feb 2016 | 31 Dec 2020 | England | July 1965 | 171, Victoria Street, London, SW1E 5NN |
| MAYFIELD, Andrew Charles, Sir RESIGNED | Director | 31 Mar 2010 | 04 Feb 2020 | United Kingdom | December 1966 | 171, Victoria Street, London, SW1E 5NN |
| MAYHEW, Christopher Luke RESIGNED | Director | 09 Sep 1993 | 26 Nov 2004 | | June 1953 | 171 Victoria Street, London, SW1E 5NN |
| MICHEL, Berangere Andree Mireille RESIGNED | Director | 01 Jan 2021 | 06 Sep 2024 | United Kingdom | November 1973 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| MILLER, Michael John Kingsley RESIGNED | Director | | 09 Sep 1993 | | August 1935 | Whitebeam Cottage The Nook, Stoney Middleton, Hope Valley, Derbyshire, S32 4TU |
| MILNER, Michael Mark RESIGNED | Director | | 31 Jan 2006 | | September 1948 | 171 Victoria Street, London, SW1E 5NN |
| THOMAS, Gareth Vaughan RESIGNED | Director | 09 Aug 2007 | 31 Mar 2010 | England | April 1957 | 175, Victoria Road, London, SW1P 1BX |
| WEIR, Helen Alison RESIGNED | Director | 01 Sep 2012 | 01 Dec 2014 | United Kingdom | August 1962 | 171, Victoria Street, London, SW1E 5NN |
| WHITE, Sharon Michele, Dame RESIGNED | Director | 04 Feb 2020 | 12 Sep 2024 | United Kingdom | April 1967 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| WOODHOUSE, Loraine RESIGNED | Director | 01 Dec 2014 | 22 Feb 2016 | England | December 1968 | 171, Victoria Street, London, SW1E 5NN, England |
| YOUNG, David Ernest RESIGNED | Director | | 11 Mar 2002 | England | March 1942 | 61 Sydney Street, Chelsea, London, SW3 6PX |