| MCINTYRE-BROWN, Andrew James ACTIVE | Secretary | 23 May 2025 | | | | Berkshire House, 168 - 173 High Holborn, London, WC1V 7AA, United Kingdom |
| TURTON, Victoria Jane ACTIVE | Director | 24 Sep 2010 | | England | October 1962 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| ALL3MEDIA DIRECTOR LIMITED ACTIVE | Director | 23 May 2025 | | | | Berkshire House, 168 - 173 High Holborn, London, WC1V 7AA, United Kingdom |
| AJIBADE, Mimi, Dr RESIGNED | Secretary | 19 Sep 2019 | 07 Feb 2022 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BRIGHT, Neil Irvine RESIGNED | Secretary | 31 Aug 2013 | 30 Apr 2015 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BROWN, Robert John Johnston RESIGNED | Secretary | 30 Apr 2015 | 12 Nov 2015 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| JONES, Adam Maxwell RESIGNED | Secretary | 10 Jan 2011 | 31 Aug 2013 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MCMULLEN, Angela RESIGNED | Secretary | 12 Nov 2015 | 23 May 2025 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| PFEIL, John Christopher RESIGNED | Secretary | 22 Aug 2003 | 10 Jan 2011 | | | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| POTTERELL, Clive Ronald RESIGNED | Secretary | | 22 Aug 2003 | | | Magnolia Cottage 10 Newlands Avenue, Thames Ditton, Surrey, KT7 0HF |
| BLESSYN, Julie RESIGNED | Director | 30 Apr 1998 | 20 Aug 1999 | | May 1958 | 177 Tentelow Lane, Norwood Green, London, UB2 5LP |
| BRIGHT, Neil Irvine RESIGNED | Director | 31 Aug 2013 | 30 Apr 2015 | United Kingdom | February 1963 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BROWN, Robert John Johnston RESIGNED | Director | 30 Apr 2015 | 12 Nov 2015 | United Kingdom | August 1976 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BROWN, Steven Michael RESIGNED | Director | 21 Nov 2014 | 09 Jul 2026 | United Kingdom | December 1972 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| BURNS, Julian Delisle RESIGNED | Director | 22 Aug 2003 | 01 Mar 2012 | United Kingdom | September 1949 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| DUNCANSON, Neil Alexander RESIGNED | Director | 08 May 1998 | 22 Aug 2003 | | February 1960 | 25 Courtnenay Gardens, Upminster, Essex, RM14 1DH |
| GEATER, Sara Kate RESIGNED | Director | 01 May 2015 | 23 Jul 2026 | England | March 1955 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| HUNTINGFORD, Richard Norman Legh RESIGNED | Director | 03 May 2002 | 22 Aug 2003 | United Kingdom | May 1956 | 11 Baronsmead Road, Barnes, London, SW13 9RR |
| HUNTINGFORD, Richard Norman Legh RESIGNED | Director | | 02 Jun 1998 | United Kingdom | May 1956 | 11 Baronsmead Road, Barnes, London, SW13 9RR |
| JONES, Adam Maxwell RESIGNED | Director | 10 Jan 2011 | 31 Aug 2013 | United Kingdom | April 1969 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MCMULLEN, Angela RESIGNED | Director | 12 Nov 2015 | 23 May 2025 | England | January 1967 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| MORRISON, Stephen Roger RESIGNED | Director | 22 Aug 2003 | 24 Sep 2014 | United Kingdom | March 1947 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| PFEIL, John Christopher RESIGNED | Director | 30 Aug 2006 | 10 Jan 2011 | England | April 1958 | Berkshire House, 168-173 High Holborn, London, WC1V 7AA |
| PILSWORTH, Michael John RESIGNED | Director | 28 Sep 1993 | 03 May 2002 | | April 1951 | Glebe House, Church Lane, Eaton Bray, Bedfordshire, LU6 2DJ |
| SPURGEON, Christopher Nigel RESIGNED | Director | | 04 Jan 2000 | United Kingdom | September 1956 | 91 Lonsdale Road, Barnes, London, SW13 9DA |
| WATKINS, Nicholas Revely RESIGNED | Director | | 28 Sep 1993 | | August 1950 | Pennireve 5 Akehurst Street, Roehampton, London, SW15 5DR |
| WOHLGEMUTH, John Richard Steven RESIGNED | Director | 08 May 1998 | 20 Aug 2003 | | October 1959 | 48d Primrose Hill Road, London, NW3 3AA |