| ANDREWS, Mark Richard ACTIVE | Director | 05 Apr 2023 | | United Kingdom | March 1974 | Glenewes House Gate Way Drive, Yeadon, LS19 7XY, United Kingdom |
| BANERJEE, Subarna ACTIVE | Director | 24 Aug 2020 | | United Kingdom | April 1972 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| BYETT, Paul ACTIVE | Director | 03 Mar 2009 | | United Kingdom | December 1973 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| COOPER, Andrew David ACTIVE | Director | 07 Oct 2013 | | England | September 1974 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| DAVEY, Fiona Kim ACTIVE | Director | 01 Apr 2026 | | United Kingdom | March 1982 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| GUEST, David Anthony ACTIVE | Director | 01 Sep 2025 | | United Kingdom | June 1963 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| HULSE, Andrew David ACTIVE | Director | 07 Mar 2017 | | England | May 1970 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| IERSTON, John Godfrey ACTIVE | Director | 24 Sep 1997 | | | May 1952 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| LOUGHRAN, Damien Paul ACTIVE | Director | 06 Oct 2025 | | United Kingdom | November 1985 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| NESS, Emily Dawn ACTIVE | Director | 01 Apr 2021 | | United Kingdom | February 1979 | 2, Old Bath Road, Newbury, Berkshire, RG14 1QL, United Kingdom |
| PRIEST, Hayden Lee ACTIVE | Director | 31 Mar 2022 | | United Kingdom | February 1968 | Heritage House, Murton Way, York, YO19 5UW, United Kingdom |
| TIMMS, Andrew Henry ACTIVE | Director | 01 Jan 2020 | | United Kingdom | June 1972 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| WINSTON, Malcolm Leslie ACTIVE | Director | 02 Jan 2001 | | England | June 1955 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| WRIGHT, Colin Charles Gordon ACTIVE | Director | 20 Mar 2019 | | United Kingdom | April 1968 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| ALVES, Suzanne Louise RESIGNED | Secretary | 21 Nov 2002 | 01 May 2003 | | | 61 Tulip Tree Close, Tonbridge, Kent, TN9 2SJ |
| DILWORTH, Christine Elizabeth RESIGNED | Secretary | 01 Dec 2014 | 05 Oct 2016 | | | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| GREENBURY, Edward Charles RESIGNED | Secretary | | 31 Dec 1992 | | | 8 Willowdene, View Road Highgate, London, N6 4DE |
| HARDING, June Ellen RESIGNED | Secretary | 11 Mar 1995 | 31 Mar 1996 | | | 30 Clavering Gardens, West Horndon, Brentwood, Essex, CM13 3ND |
| HUGHES, Timothy George RESIGNED | Secretary | | 21 Nov 2002 | | | 16 Lambert Drive, Sudbury, Suffolk, CO10 0BX |
| LINSLEY, Scott RESIGNED | Secretary | 01 May 2003 | 26 Oct 2007 | | | 7 Avenue Road, Chelmsford, Essex, CM2 9TY |
| PETRIE, Jessica Frances RESIGNED | Secretary | 01 May 2003 | 03 Feb 2006 | | | Well Cottage, Grange Farm, Higham Lane, Tonbridge, Kent, TN11 9QR |
| SPENCER, Howard Peter RESIGNED | Secretary | 11 Jan 2008 | 01 Dec 2014 | | | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW |
| TEGG, Peter Richard RESIGNED | Secretary | 31 Dec 1992 | 11 Mar 1995 | | | 4 Weigall Road, Lee, London, SE12 8HE |
| WILLIAMS, Gladys RESIGNED | Secretary | 26 Oct 2007 | 11 Jan 2008 | | | 42 Blithdale Road, London, SE2 9HJ |
| BROWNING, Simon Jonathan RESIGNED | Director | 18 Sep 2017 | 01 Jan 2020 | United Kingdom | August 1977 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| BURSEY, Robert James RESIGNED | Director | 01 May 2010 | 07 Oct 2013 | Uk | October 1953 | Thames House, Roman Square, Sittingbourne, Kent, ME10 4BJ |
| CAMPBELL, James Mossman RESIGNED | Director | 01 Feb 2006 | 30 Apr 2009 | Scotland | August 1943 | 23 Rubislaw Drive, Bearsden, Glasgow, Lanarkshire, G61 1PS, Scotland |
| GRUNDY, Michael RESIGNED | Director | | 11 Mar 1995 | | May 1947 | Oakdene Ogden Lane, Higher Ogden Milnrow, Rochdale, Lancashire, OL16 3RQ |
| GUEST, John Vernon RESIGNED | Director | | 04 Dec 2002 | | January 1938 | 168 Church Road, Hove, East Sussex, BN3 2DL |
| HECHT, George RESIGNED | Director | | 01 Aug 1998 | | June 1949 | 4 Royal Crescent, Glasgow, G3 7SL |
| HORNAN, Ladislav RESIGNED | Director | 14 Nov 2003 | 30 Apr 2016 | United Kingdom | June 1950 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW |
| HORSLEY, John Leslie RESIGNED | Director | 23 Feb 2006 | 31 Mar 2008 | England | July 1942 | Old Plantation Cottage Heath Road, Gamlingay, Sandy, Bedfordshire, SG19 2JD |
| JOHNSON, Martin RESIGNED | Director | 21 Dec 2005 | 31 Mar 2020 | | July 1960 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| JUDSON SMITH, Julia Margaret RESIGNED | Director | 12 Feb 2009 | 01 Nov 2014 | | January 1955 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| KENDRICK, David John RESIGNED | Director | 01 Jan 2023 | 30 Sep 2024 | United Kingdom | January 1982 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| MURPHY, David Neil RESIGNED | Director | | 31 Mar 1993 | | December 1941 | 41 Biggin Street, Loughborough, Leicestershire, LE11 1UA |
| NASH, Gerald Claude RESIGNED | Director | | 31 Oct 1996 | | August 1937 | The Gables 127 Chester Road, Castle Bromwich, Birmingham, West Midlands, B36 0AE |
| NEDAS, Jeffrey Lawrence RESIGNED | Director | 11 Mar 1995 | 31 Jul 1997 | | October 1947 | 1 West Heath Close, Hampstead, London, NW3 7NJ |
| OLIVER, Philip RESIGNED | Director | | 18 Sep 2017 | United Kingdom | October 1952 | Quadrant House, 17 Thomas More St, Thomas More Square, London, E1W 1YW |
| PEARCE, Nevil John RESIGNED | Director | 01 Nov 2014 | 31 Mar 2022 | United Kingdom | August 1957 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| PEGRAM, Marie Catherine RESIGNED | Director | 01 Jan 2020 | 31 Oct 2024 | United Kingdom | September 1985 | Uhy Hacker Young, PO BOX 501, The Nexus Building, Broadway, Letchworth Garden City, Hertfordshire, SG6 9BL, United Kingdom |
| PRICE, James RESIGNED | Director | 01 Jan 2012 | 01 Jan 2020 | United Kingdom | November 1975 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| ROBERTSON, Mark Duncan Cowell RESIGNED | Director | 09 Apr 2018 | 01 Jan 2023 | England | May 1963 | Quadrant House Floor 6, 4 Thomas More Square, London, E1W 1YW |
| SACKER, Laurence RESIGNED | Director | 21 Mar 2018 | 24 Aug 2020 | United Kingdom | February 1954 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| SIMMONS, Richard Barry RESIGNED | Director | 04 Dec 2002 | 01 Sep 2025 | England | October 1951 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| SPENCER, Howard Peter RESIGNED | Director | 01 Jul 1997 | 01 Dec 2014 | | February 1950 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW |
| STANSIL, Frank RESIGNED | Director | | 31 Jul 1997 | England | May 1934 | Roselea 10 Dulwich Village, London, SE21 7AL |
| TEGG, Peter Richard RESIGNED | Director | 01 Dec 1995 | 26 Mar 1999 | | August 1946 | 3 & 5 St Pauls Road, Clifton, Bristol, BS8 1LX |
| TEGG, Peter Richard RESIGNED | Director | | 11 Mar 1995 | | August 1946 | 4 Weigall Road, Lee, London, SE12 8HE |
| THOMAS, Anthony Haydn RESIGNED | Director | 03 Mar 2009 | 31 Mar 2017 | United Kingdom | July 1949 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| VAUGHAN, Alan John RESIGNED | Director | | 01 Dec 1995 | | July 1944 | 3 & 5 St Pauls Road, Clifton, Bristol, BS8 1LX |
| WARSOP, Jonathan Philip RESIGNED | Director | 01 Dec 2014 | 20 Mar 2019 | England | February 1954 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| WASINSKI, Michael David RESIGNED | Director | 11 Mar 1995 | 09 Apr 2018 | England | June 1953 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| WILLIAMS, Ian Edward RESIGNED | Director | 30 Apr 2009 | 07 Aug 2017 | Scotland | June 1955 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |
| WINGFIELD, John Lawton RESIGNED | Director | 01 Nov 2006 | 07 Mar 2017 | England | December 1950 | Quadrant House, Floor 6, 4 Thomas More Square, London, E1W 1YW, United Kingdom |