| BLACKBURN, Simon Jim ACTIVE | Secretary | 21 Oct 2021 | | | | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| ALCOCK, Tracey ACTIVE | Director | 16 Oct 2023 | | United Kingdom | August 1981 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| BROMLEY, Christina Elizabeth ACTIVE | Director | 03 Dec 2024 | | England | November 1980 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| FOOTE, James Thomas ACTIVE | Director | 17 Jan 2023 | | United Kingdom | October 1981 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, 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 |
| BLACKALL, John Malcolm RESIGNED | Director | | 07 Jun 2002 | | December 1941 | 3 Cowan Brae, Shear Bank Road, Blackburn, Lancashire, BB1 8AZ |
| CASSONI, Marisa Luisa RESIGNED | Director | 20 Aug 2009 | 31 Aug 2012 | United Kingdom | December 1951 | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| CLIFT, Paul Edwin RESIGNED | Director | 07 May 1999 | 29 May 2009 | | May 1952 | 171 Victoria Street, London, SW1E 5NN |
| MARCH, Richard Murray RESIGNED | Director | | 07 May 1999 | | August 1939 | Pinewood Cottage, Pinewood Gardens, Bagshot, Surrey, GU19 5EP |
| MAYFIELD, Richard RESIGNED | Director | 20 Aug 2009 | 03 Jul 2012 | United Kingdom | September 1968 | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| MCDONALD, Alexander Stuart RESIGNED | Director | 09 Jul 2020 | 31 Oct 2023 | United Kingdom | April 1962 | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| MICHEL, Berangere Andree Mireille RESIGNED | Director | 01 Sep 2015 | 09 Jul 2020 | England | November 1973 | 171 Victoria Street, London, SW1E 5NN |
| NICKOLDS, Paula Margaret RESIGNED | Director | 30 Mar 2016 | 31 Jan 2017 | United Kingdom | February 1973 | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| OSBORNE, Rachel Claire Elizabeth RESIGNED | Director | 01 Dec 2014 | 31 Aug 2015 | United Kingdom | March 1965 | 171 Victoria Street, London, SW1E 5NN |
| PATEL, Sanjay RESIGNED | Director | 03 Jul 2012 | 08 Mar 2013 | England | December 1964 | 171 Victoria Street, London, SW1E 5NN |
| READE, Tina Sandra RESIGNED | Director | 08 Mar 2013 | 30 Mar 2016 | England | January 1956 | 171 Victoria Street, London, SW1E 5NN |
| READE, Tina Sandra RESIGNED | Director | 30 Mar 2001 | 20 Aug 2009 | England | January 1956 | 171 Victoria Street, London, SW1E 5NN |
| SELLEY, Patricia Ann RESIGNED | Director | 09 Jun 2002 | 27 Apr 2007 | | November 1946 | 338 Hempstead Road, Watford, WD17 4NA |
| STUART, Louise Marguerite RESIGNED | Director | 27 Feb 2020 | 17 Jan 2023 | United Kingdom | April 1973 | 171 Victoria Street, London, SW1E 5NN |
| SUDDOCK, David RESIGNED | Director | 01 Feb 2017 | 09 Jul 2020 | United Kingdom | March 1978 | 171 Victoria Street, London, SW1E 5NN |
| WALDEMAR BROWN, Nicholas RESIGNED | Director | | 16 Aug 1996 | | March 1939 | 40 Park Road, Chiswick, London, W4 3HH |
| WEIR, Helen Alison RESIGNED | Director | 01 Sep 2012 | 01 Dec 2014 | United Kingdom | August 1962 | 171 Victoria Street, London, SW1E 5NN |
| WILARY-ATTEW, Jason RESIGNED | Director | 09 Jul 2020 | 17 Jan 2023 | England | August 1969 | 171, Victoria Street, London, SW1E 5NN, United Kingdom |
| WILLIAMS, Jonathon Leslie RESIGNED | Director | 17 Jan 2023 | 03 Dec 2024 | England | June 1967 | 1, Drummond Gate, Pimlico, London, SW1V 2QQ, United Kingdom |
| WILSON, David Mallon RESIGNED | Director | | 30 Mar 2001 | | March 1941 | Magnolia Cottage 11 Hillside Road, East Ewell, Epsom, Surrey, KT17 3EH |