| ROGERS, Wendy Fiona ACTIVE | Secretary | 10 Mar 2016 | | | | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| BENNING-PRINCE, Nicholas Arthur Dawe, Mr. ACTIVE | Director | 15 Oct 2013 | | England | October 1974 | Second Floor, Arena Court, Crown Lane, Maidenhead, Berkshire, SL6 8QZ, England |
| DOWLEY, Robert Charles ACTIVE | Director | 09 Dec 2013 | | 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 | 09 Sep 2021 | | England | July 1967 | 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 |
| FARRINGTON, Richard John RESIGNED | Secretary | | 12 Jun 1995 | | | 44 Garth Drive, Hambleton, Selby, North Yorkshire, YO8 9QD |
| MOORE, Alexander Eric RESIGNED | Secretary | 12 Jun 1995 | 01 Aug 2006 | | | Crismill Barn Crismill Lane, Bearsted, Maidstone, Kent, ME14 4NT |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 01 Aug 2006 | 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 |
| CASSIDY, Carl Laughlin RESIGNED | Director | | 05 Nov 1993 | | May 1945 | Birchwood House Caistor Road, Osgodby, Market Rasen, Lincolnshire, LN8 3SY |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| DRANSFIELD, Graham RESIGNED | Director | 20 Mar 2007 | 30 Jun 2008 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| FARRINGTON, Richard John RESIGNED | Director | | 05 Nov 1993 | | June 1958 | 44 Garth Drive, Hambleton, Selby, North Yorkshire, YO8 9QD |
| HARRIS, Matthew James RESIGNED | Director | 30 Sep 2010 | 31 Mar 2011 | England | November 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| LECLERCQ, Christian RESIGNED | Director | 02 Jun 2008 | 31 Mar 2010 | England | September 1965 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| MCARDLE, Gary Charles RESIGNED | Director | 01 Mar 2006 | 16 Jun 2008 | | October 1960 | 11a Grasmere Avenue, Harpenden, Hertfordshire, AL5 5PT |
| MORRISH, Jonathan Peter, Dr RESIGNED | Director | 13 Jun 2008 | 31 Mar 2011 | United Kingdom | September 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| PATTISON, Graham Neil RESIGNED | Director | 13 Jul 2007 | 16 Jun 2008 | | June 1975 | 40 Oakdene Road, Sevenoaks, Kent, TN13 3HL |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| SINDEL, Alan Robert Harold RESIGNED | Director | 13 Jul 2007 | 14 Feb 2008 | | February 1965 | 1 Goldney Avenue, Clifton, Bristol, Avon, BS8 4RA |
| UREN, John Michael Leal RESIGNED | Director | 05 Nov 1993 | 01 Mar 2006 | England | September 1923 | Priory Farm, Appledore Road, Tenterden, Kent, TN30 7DD |
| WENDT, Carsten Matthias, Dr RESIGNED | Director | 01 Dec 2016 | 09 Sep 2021 | Germany | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| WHITEHEAD, Gary Nicholas RESIGNED | Director | 13 Jun 2008 | 30 Jun 2010 | United Kingdom | April 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |