| BECKER-SMITH, Cassandra ACTIVE | Director | 27 Jun 2019 | | England | June 1979 | Enigma, Wavendon Business Park, Milton Keynes, MK17 8LX, England |
| MALLIA, Franco Paul ACTIVE | Director | 01 Dec 2010 | | England | September 1963 | Enigma, Wavendon Business Park, Milton Keynes, MK17 8LX, England |
| FLETCHER, Stephen Maxwell RESIGNED | Secretary | 09 Jul 2002 | 31 Dec 2013 | | | Hertford House, Hertford Place, Maple Cross, Rickmansworth, Hertfordshire, WD3 9AB, England |
| HIPKIN, Gordon RESIGNED | Secretary | | 25 Mar 1999 | | | 163 Reading Road, Wokingham, Berkshire, RG11 1LJ |
| NARAHARA, Christophe RESIGNED | Secretary | 14 Feb 2020 | 25 Mar 2024 | | | Enigma, Wavendon Business Park, Milton Keynes, MK17 8LX, England |
| REEVES, Gwyn RESIGNED | Secretary | 25 Mar 1999 | 11 Feb 2020 | | | Enigma, Wavendon Business Park, Milton Keynes, MK17 8LX, England |
| TEICHMAN, Sandra RESIGNED | Secretary | 25 May 2000 | 01 Nov 2004 | | | 120 Pavilion Road, Knightsbridge, London, SW1X 0AX |
| ANDERSON, Ronald Carl RESIGNED | Director | 13 Jun 1994 | 31 May 1998 | | May 1933 | 1702 Clair Martin Place, Ambler, Pennsylvania, 19002, Usa |
| BARRETT, Howard Clark RESIGNED | Director | 12 Apr 2006 | 23 Sep 2008 | | September 1952 | 26 Church Vale, London, N2 9PA |
| CHAPMAN, Robert William Frederick RESIGNED | Director | 01 Oct 2009 | 05 Apr 2012 | United Kingdom | May 1961 | Hertford House, Hertford Place, Maple Cross, Rickmansworth, Hertfordshire, WD3 9AB, England |
| CHEADLE, Christopher John Leslie RESIGNED | Director | 02 Feb 2001 | 31 Aug 2001 | | June 1960 | Craigmore, Dukes Ride, Gerrards Cross, Buckinghamshire, SL9 7LD |
| CHERKAS, Christopher John RESIGNED | Director | | 30 Jul 1993 | | October 1950 | 54 Butlers Court Road, Beaconsfield, Buckinghamshire, HP9 1SG |
| CLAIREAUX, Sandra Elizabeth RESIGNED | Director | 29 May 2002 | 31 Dec 2005 | | July 1953 | 280 Longstone Road, Iver Heath, Buckinghamshire, SL0 0RN |
| COSTER, Malcolm David RESIGNED | Director | 28 Mar 1994 | 08 Nov 1996 | England | June 1944 | Rivendell 46 Golfside, South Cheam, Sutton, Surrey, SM2 7EZ |
| COX, George Edwin, Sir RESIGNED | Director | 09 Jan 1995 | 31 Aug 1999 | British Uk Citizen | May 1940 | Merlins, Manor Lane, Gerrards Cross, Buckinghamshire, SL9 7NJ |
| DAVIDSON, Iain James Mcneil RESIGNED | Director | 28 Feb 1996 | 03 May 2000 | | January 1946 | Maryland Old Mill Lane, Bray, Berkshire, SL6 2BD |
| FLETCHER, Stephen Maxwell RESIGNED | Director | 09 Jul 2002 | 13 Mar 2008 | England | October 1952 | 20 Garners Road, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 0EZ |
| FLETCHER, Stephen Maxwell RESIGNED | Director | 09 Sep 1999 | 31 Oct 2000 | England | October 1952 | 20 Garners Road, Chalfont St Peter, Gerrards Cross, Buckinghamshire, SL9 0EZ |
| FOSTER, David John RESIGNED | Director | 21 Sep 2001 | 13 Mar 2008 | United Kingdom | June 1957 | Moorside, Woodlea Chase, Darwen, Lancashire, BB3 2TP |
| FRASER, Garrick Lindsay RESIGNED | Director | 03 Dec 1996 | 31 Oct 2000 | | December 1952 | Oat Barns Green Lane Cottages, Newchapel Road, Lingfield, Surrey, RH7 6BJ |
| FRASER, Nicholas Paul RESIGNED | Director | 05 Apr 2012 | 31 Mar 2018 | England | November 1963 | 1st Floor, Building 6, Chiswick Park, 566 Chiswick High Road, London, W4 5HR, United Kingdom |
| FREDERICKSON, Charles Edward RESIGNED | Director | 28 Feb 1996 | 06 May 1997 | | September 1946 | 103 Frankland Road, Croxley Green, Hertfordshire, WD3 3AS |
| GODFREY, Martin Richard RESIGNED | Director | 01 Dec 2010 | 18 Mar 2019 | England | March 1967 | 1st Floor, Building 6, Chiswick Park, 566 Chiswick High Road, London, W4 5HR, United Kingdom |
| GOULD, Mary Kay RESIGNED | Director | 20 Jul 2004 | 03 Jun 2013 | Usa | April 1949 | Hertford House, Hertford Place, Maple Cross, Rickmansworth, Hertfordshire, WD3 9AB, England |
| HADFIELD, Brian Harold RESIGNED | Director | 03 Apr 2000 | 31 Dec 2004 | | July 1951 | 6 Woodbank Avenue, Gerrards Cross, Buckinghamshire, SL9 7PY |
| HICKMOTT, Richard Ivan RESIGNED | Director | 30 Jul 1993 | 19 Jun 1995 | England | April 1955 | 15 Crown Street, Redbourn, Hertfordshire, AL3 7JX |
| ILLINGWORTH, Robert Graham RESIGNED | Director | 19 May 1995 | 31 Dec 2005 | England | February 1948 | Stonescote Church Street, Pattishall, Towcester, Northamptonshire, NN12 8NB |
| JONES, Bobette RESIGNED | Director | | 13 Jun 1994 | | September 1928 | 31 Manchester Court, Berwyn, Pennsylvania 19312, FOREIGN, Usa |
| KEENE, Susan Temple RESIGNED | Director | 08 Jun 1998 | 20 Jul 2004 | | April 1955 | 502 E Lawn Avenue, Lansdale, Pennsylvania, 19446, America |
| MCCUTCHEON, Michael RESIGNED | Director | 09 Sep 1999 | 08 Feb 2008 | England | October 1946 | 8 Lammas Road, Watton At Stone, Hertford, Hertfordshire, SG14 3RH |
| MCINNES, Thomas RESIGNED | Director | 07 Jun 2002 | 22 Jun 2006 | England | January 1950 | 7 Hansen Drive, Winchmore Hill, London, N21 1SB |
| MILLARD, Philip Ronald RESIGNED | Director | 25 Mar 1999 | 31 Aug 2001 | England | November 1954 | 9 Beechwood Close, Hertford, Hertfordshire, SG13 7HW |
| MURPHY, George Graham RESIGNED | Director | | 28 Mar 1994 | | January 1935 | Ferry Lane House, Ferry Lane, Wargrave, Berkshire, RG10 8EJ |
| O'CONNOR, Anthony RESIGNED | Director | 10 Jun 2002 | 13 Mar 2008 | England | January 1955 | 19 Blackthorn Close, Tilehurst, Reading, Berkshire, RG31 6ZY |
| PERRY, John William RESIGNED | Director | | 01 May 1994 | | September 1938 | Great Barn Sandpit Lane, Bledlow, Princes Risborough, Buckinghamshire, HP27 9QQ |
| PIERCY, Matthew Roy RESIGNED | Director | 02 Oct 2007 | 28 Jun 2019 | England | February 1961 | 1st Floor, Building 6, Chiswick Park, 566 Chiswick High Road, London, W4 5HR, United Kingdom |
| PINK, Stephen John RESIGNED | Director | 22 Jul 1996 | 17 Jul 1999 | | November 1951 | 116 Cotswold Gardens, London, NW2 1PN |
| ROOM, Jennifer Ann RESIGNED | Director | 12 Apr 2006 | 24 Apr 2009 | | October 1969 | The Willows, 24 Vyners Way, Ickenham, Middlesex, UB10 8QQ |
| ROWE, Catherine Elizabeth RESIGNED | Director | 13 Mar 2008 | 20 Nov 2008 | England | March 1970 | 117 Gregories Road, Beaconsfield, Buckinghamshire, HP9 1HZ |
| RYDER, George RESIGNED | Director | 23 May 2000 | 10 May 2002 | England | May 1942 | Tilers Way, Barnet Road, Arkley, Hertfordshire, EN5 3HA |
| SCOTT, Douglas Berwick RESIGNED | Director | | 07 Jun 1995 | United Kingdom | July 1953 | 26 Queens Acre, Kings Road, Windsor, Berkshire, SL4 2BE |
| SHAND, James Ronald RESIGNED | Director | 03 Jun 1997 | 21 Sep 2000 | | July 1960 | 7 Prospect Place, Osborne Road, Windsor, Berkshire, SL4 3JA |
| SMITH, John James RESIGNED | Director | 07 Sep 2000 | 20 May 2002 | United Kingdom | September 1959 | Millbrook, 19 Beechgrove, Little Oakley, Harwich, Essex, CO12 5NN |
| SNADDEN, Ian John RESIGNED | Director | 14 Mar 2008 | 22 May 2009 | England | August 1966 | Bosket, Turks Lane, Mortimer Common, Reading, Berkshire, RG7 2JY, United Kingdom |
| TAIT, Duncan Andrew RESIGNED | Director | 12 Apr 2006 | 01 Oct 2009 | | March 1966 | Highfield, Fagl Lane, Hope, Clwyd, LL11 9RB |
| TAYLOR, Alastair Macleod RESIGNED | Director | 03 Dec 1996 | 03 May 2000 | United Kingdom | December 1948 | Oakhurst 31 Upper Hollis, Great Missenden, Buckinghamshire, HP16 9HP |
| WALKER, Martin RESIGNED | Director | 03 Nov 2014 | 26 Feb 2021 | England | August 1965 | Enigma, Wavendon Business Park, Milton Keynes, MK17 8LX, England |
| WELCH, Alwyn Frank RESIGNED | Director | 01 Jan 2005 | 10 Feb 2006 | England | July 1957 | Coniston Farnham Lane, Haslemere, Surrey, GU27 1EZ |
| WHITE, Mark Robert RESIGNED | Director | 01 May 1995 | 12 Jul 1996 | | July 1958 | 29 Hogback Wood Road, Beaconsfield, Buckinghamshire, HP9 1JT |
| WILSON, Nicholas Anthony RESIGNED | Director | 01 Oct 2006 | 29 Jun 2007 | | August 1962 | 29 Kimbolton Road, Bedford, Bedfordshire, MK40 2PB |