| HELDREICH, Joanne Louise ACTIVE | Secretary | 21 Jul 2017 | | | | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| COOK, Andrew Timothy ACTIVE | Director | 20 Oct 2016 | | England | March 1983 | The Barn, Main Street, Melbourne, Derby, DE73 8BX, England |
| DRUMMOND, Elizabeth ACTIVE | Director | 01 Aug 2024 | | England | May 1963 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| DUNCAN SMITH, Iain ACTIVE | Director | 12 Sep 2016 | | England | April 1954 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| EASTMAN, Adele ACTIVE | Director | 23 Jan 2017 | | England | March 1974 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| HARRIS, Carolyn ACTIVE | Director | 11 Sep 2024 | | United Kingdom | September 1960 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| KINDER, John Martineau ACTIVE | Director | 22 Mar 2018 | | England | July 1956 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| KOTECHA OBE, Nikesh, Dr ACTIVE | Director | 18 Jan 2022 | | England | July 1966 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| OGLESBY, Jane Susan ACTIVE | Director | 26 Jun 2019 | | United Kingdom | February 1968 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| RODEN, Stuart Grant ACTIVE | Director | 22 Mar 2018 | | United Kingdom | March 1963 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| USHER-SMITH, Cara Louise ACTIVE | Director | 23 Oct 2014 | | England | May 1981 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| JACKSON, Thomas Charles RESIGNED | Secretary | 25 May 2004 | 16 Jun 2004 | | | 33 Ewald Road, London, SW6 3NB |
| STROUD, Philippa Claire, Baroness RESIGNED | Secretary | 16 Jun 2004 | 25 Jan 2005 | | | 3 Rowallan Road, London, SW6 6AF |
| WARWICK CONSULTANCY SERVICES LIMITED RESIGNED | Secretary | 25 Jan 2005 | 21 Jul 2017 | | | 2nd, Floor, Titchfield House 69-85 Tabernacle Street, London, EC2A 4RR, United Kingdom |
| ATTWOOD, Tom RESIGNED | Director | 09 May 2012 | 04 Aug 2013 | England | August 1952 | 11, Belgrave Road, London, SW1V 1RB, England |
| BAVERSTOCK, Paul Antony RESIGNED | Director | 27 Feb 2014 | 21 May 2015 | England | September 1967 | 11, Belgrave Road, London, SW1V 1RB, England |
| BRIEN, Stephen Michael, Dr. RESIGNED | Director | 03 Dec 2013 | 27 Sep 2018 | England | October 1967 | 10, Greycoat Place, London, SW1P 1SB, England |
| BRIEN, Stephen Michael, Dr. RESIGNED | Director | 12 Sep 2008 | 21 Sep 2011 | England | October 1967 | 32, Regents Park Road, London, NW1 7TR |
| BROOKS, Rory Hilary RESIGNED | Director | 24 Sep 2013 | 12 Sep 2016 | England | January 1954 | 34a, Queen Annes Gate, London, SW1H 9AB, England |
| DUNCAN SMITH, George Iain, Rt Hon RESIGNED | Director | 16 Jun 2004 | 20 May 2010 | United Kingdom | April 1954 | The Old House, 5 Wanbourne, Milton Keynes, Buckinghamshire, MK17 0SH |
| FLORMAN, Carl Alan Mark RESIGNED | Director | 16 Jun 2004 | 05 Sep 2005 | United Kingdom | November 1958 | 24 Thurloe Square, London, SW7 2SD |
| FLORMAN, Mark RESIGNED | Director | 12 Sep 2008 | 23 Mar 2016 | England | November 1958 | 24 Thurloe Square, London, SW7 2SD |
| GUY, Christian Oliver RESIGNED | Director | 01 Jun 2013 | 28 Aug 2015 | England | May 1983 | 11, Belgrave Road, London, SW1V 1RB, England |
| HOBBS, Louise RESIGNED | Director | 12 Sep 2008 | 06 Oct 2014 | United Kingdom | July 1970 | 89, New Bond Street, London, W1S 1DA |
| LETWIN, Oliver, Sir RESIGNED | Director | 17 Mar 2006 | 01 Oct 2009 | United Kingdom | May 1956 | 255 Kennington Road, London, SE11 6BY |
| MEDLER, Jacqueline RESIGNED | Director | 17 Mar 2006 | 19 Feb 2007 | | February 1951 | 1 Tower Drive, Bromsgrove, Worcestershire, B61 0TZ |
| MONTGOMERIE, Timothy Hugh RESIGNED | Director | 25 May 2004 | 16 Jun 2004 | England | July 1970 | 16 St Ann Street, Salisbury, Wiltshire, SP1 2DN |
| OLIVER, Noreen Mary RESIGNED | Director | 18 Mar 2014 | 16 Dec 2023 | United Kingdom | April 1960 | Kings Buildings, 16 Smith Square, Westminster, London, SW1P 3HQ, England |
| ROBSON, Ryan James Henry RESIGNED | Director | 12 Sep 2008 | 01 Sep 2015 | United Kingdom | December 1970 | 19 Wandle Road, London, SW17 7DL |
| STROUD, Philippa Claire, Baroness RESIGNED | Director | 03 Oct 2015 | 23 Jan 2017 | England | April 1965 | 34a, Queen Annes Gate, London, SW1H 9AB, England |
| WETHERED, Adam RESIGNED | Director | 09 May 2012 | 12 Sep 2016 | England | April 1953 | 34a, Queen Annes Gate, London, SW1H 9AB, England |
| WILCOX, James Charles RESIGNED | Director | 09 May 2012 | 06 Sep 2012 | United Kingdom | August 1957 | 1, Westminster Palace Gardens, Artillery Row, London, SW1P 1RL, England |
| WILLETTS, David Lindsay, Lord RESIGNED | Director | 17 Mar 2006 | 12 Sep 2008 | England | March 1956 | 21 Ashchurch Grove, London, W12 9BT |
| YALLOP, Mark RESIGNED | Director | 24 Sep 2012 | 12 Sep 2016 | England | March 1960 | 34a, Queen Annes Gate, London, SW1H 9AB, England |