| ROGERS, Wendy Fiona ACTIVE | Secretary | 10 Mar 2016 | | | | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DOWLEY, Robert Charles ACTIVE | Director | 04 Sep 2023 | | England | September 1972 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| GRETTON, Edward Alexander ACTIVE | Director | 02 Jun 2008 | | England | July 1970 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| QUILEZ SOMOLINOS, Alfredo ACTIVE | Director | 06 Sep 2021 | | England | July 1967 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| WHITELAW, James Stuart ACTIVE | Director | 08 Jun 2026 | | United Kingdom | August 1972 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DRANSFIELD, Graham RESIGNED | Secretary | 10 Dec 2007 | 30 Jun 2008 | | | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 01 Oct 1996 | 10 Dec 2007 | | | 6 Ashburnham Park, Esher, Surrey, KT10 9TW |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | 31 Jul 2008 | 10 Mar 2016 | | | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| TYSON, Roger Thomas Virley RESIGNED | Secretary | | 30 Sep 1996 | | | 5 Matthews Chase, Binfield, Bracknell, Berkshire, RG42 4UR |
| BONHAM, Derek Charles RESIGNED | Director | | 30 Sep 1996 | | July 1943 | 180 Brompton Road, London, SW3 1HF |
| CHARLETON, Brian RESIGNED | Director | 04 Sep 2023 | 30 Jun 2026 | United Kingdom | July 1968 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| CLARKE, David Jonathan RESIGNED | Director | 12 Sep 2013 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| CLAYDON, James Alexander RESIGNED | Director | 30 Nov 2009 | 01 Sep 2012 | England | July 1960 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| COOCH, Michael John Anthony RESIGNED | Director | | 05 Apr 1993 | | October 1938 | Enfield Farm, Elkstone, Cheltenham, Gloucestershire, GL53 9PB |
| COOK, Jonathan David RESIGNED | Director | 13 Jun 2008 | 17 May 2011 | United Kingdom | June 1977 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| DAWES, Jeremy Lees RESIGNED | Director | 09 Feb 2015 | 04 Sep 2023 | England | July 1966 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DOUGAL, Andrew James Harrower RESIGNED | Director | 31 May 1995 | 14 May 2002 | | September 1951 | Lomond Lodge 1a Linkway, Camberley, Surrey, GU15 2NH |
| DRANSFIELD, Graham RESIGNED | Director | 24 Sep 1993 | 30 Jun 2008 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| EGAN, David John RESIGNED | Director | 01 Jun 2007 | 16 Jun 2008 | United Kingdom | December 1967 | 70, Valley Road, Rickmansworth, Hertfordshire, WD3 4BJ |
| ELLIOTT, Robin RESIGNED | Director | 05 Apr 1993 | 18 Mar 1998 | | February 1949 | 7 Wood End Lane, Moulsoe, Newport Pagnell, Buckinghamshire, MK16 0HD |
| FAULKNER, Peter John RESIGNED | Director | 17 Jun 1998 | 15 May 2002 | England | July 1951 | 8 Reynes Close, Marston Moreteyne, Bedford, Bedfordshire, MK43 0PG |
| GARRETT, Richard Edward David Nicholas RESIGNED | Director | | 05 Apr 1993 | | May 1930 | Staddlestones, Eastcombe, Stroud, Gloucestershire, GL6 7EA |
| GIMMLER, Richard Robert RESIGNED | Director | 01 Oct 2005 | 30 Dec 2009 | England | April 1967 | Glebe House, Church Walk, Ashton Keynes, Swindon, Wiltshire, SN6 6PB |
| GUYATT, Benjamin John RESIGNED | Director | 01 Mar 2014 | 19 Nov 2014 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| GUYATT, Benjamin John RESIGNED | Director | 24 Jun 2011 | 01 Sep 2012 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| HAGDRUP, Alan RESIGNED | Director | | 24 Sep 1993 | England | May 1932 | The Mill House, Dorking Road, Tadworth, Surrey, KT20 7TF |
| HARDMAN, Steven Neville RESIGNED | Director | 26 Jan 2001 | 31 Jul 2001 | | May 1968 | 171 Court Lane, London, SE21 7EE |
| HARRISON, Stephen Richard RESIGNED | Director | 01 Sep 2012 | 19 Nov 2014 | United Kingdom | February 1968 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| HOPKINS, James Christian RESIGNED | Director | 05 Apr 1993 | 18 Mar 1998 | | July 1959 | Huntsmans House, Brent Belham, Buntingford, Hertfordshire, SG9 0AT |
| LANDUYT, William Modest RESIGNED | Director | 24 Sep 1993 | 31 May 1995 | | October 1955 | 27 Abbey Gardens, St Johns Wood, London, NW8 9AS |
| LEAN, Michael Philip RESIGNED | Director | 17 Jun 1998 | 15 May 2002 | | February 1955 | Trevarrack, 3 Stewart Close, Bromham, Bedford, MK43 8GZ |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | 2, Court Drive, Maidenhead, Berkshire, SL6 8LX, United Kingdom |
| MORRISH, Jonathan Peter RESIGNED | Director | 26 Jan 2001 | 31 Jul 2001 | | September 1970 | 2 Thornton Close, Crick, Northamptonshire, NN6 7GE |
| MURRAY, Alan James RESIGNED | Director | 13 Feb 1998 | 30 Nov 1998 | | May 1953 | Top Flat 60 Radipole Road, Fulham, London, SW6 5DL |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| READ, Justin Richard RESIGNED | Director | 14 May 2002 | 28 May 2003 | England | May 1961 | 46b Saint Georges Drive, London, SW1V 4BT |
| REDMOND, Phillip Keith RESIGNED | Director | 19 Nov 2014 | 10 Oct 2018 | Wales | December 1966 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| RIX, Darren Peter RESIGNED | Director | 01 Sep 2012 | 28 Feb 2014 | England | August 1983 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| SCALES, Leslie Thomas RESIGNED | Director | 17 Jun 1998 | 31 Jan 1999 | | January 1937 | Sherwood Cottage, Clifton Reynes, Olney, Buckinghamshire, MK46 5DR |
| SWIFT, Nicholas RESIGNED | Director | 28 May 2003 | 01 Jun 2007 | United Kingdom | June 1964 | 34 The Grove, Brookmans Park, Hertfordshire, AL9 7RN |
| SZYMANSKI, David John RESIGNED | Director | 01 Jun 2003 | 30 Nov 2009 | England | November 1954 | Rossendale, Top Lane, Mells, Frome, Somerset, BA11 3QN |
| TAYLOR, Martin Gibbeson RESIGNED | Director | | 24 Sep 1993 | | January 1935 | 28 Ormond Avenue, Hampton, Middlesex, TW12 2RU |
| TROTT, Wendy Jane RESIGNED | Director | 30 Jun 2003 | 24 Dec 2008 | | November 1966 | 14 Partridge Lane, Bromham, Bedford, Bedfordshire, MK43 8PQ |
| WALTERS, David Terrance RESIGNED | Director | 31 Jan 1999 | 30 Jun 2003 | | February 1943 | 2 Cross Lane, Aldwincle, Kettering, Northamptonshire, NN14 3EG |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 06 Sep 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| WHITELAW, James Stuart RESIGNED | Director | 18 Feb 2019 | 04 Sep 2023 | United Kingdom | August 1972 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| WILLIS, Simon Lloyd RESIGNED | Director | 10 Oct 2018 | 18 Feb 2019 | England | October 1965 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| WOOD, Robert RESIGNED | Director | 15 May 2002 | 30 Sep 2005 | England | October 1966 | Home Farm, Raithby Cum Maltby, Louth, Lincolnshire, LN11 9RR |