| ROGERS, Wendy Fiona ACTIVE | Secretary | 10 Mar 2016 | | | | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| BENNING-PRINCE, Nicholas Arthur Dawe, Mr. ACTIVE | Director | 15 Oct 2013 | | England | October 1974 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| DOWLEY, Robert Charles ACTIVE | Director | 09 Dec 2013 | | England | September 1972 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| GRETTON, Edward Alexander ACTIVE | Director | 02 Jun 2008 | | England | July 1970 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| WENDT, Carsten Matthias, Dr ACTIVE | Director | 01 Dec 2016 | | United Kingdom | June 1976 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| DRANSFIELD, Graham RESIGNED | Secretary | 10 Dec 2007 | 30 Jun 2008 | | | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| PLUMB, David RESIGNED | Secretary | 01 Nov 1995 | 20 Dec 2001 | | | Grove Cottage, Street End Lane Blagdon, Bristol, Avon, BS40 7TW |
| TUNNACLIFFE, Paul Derek RESIGNED | Secretary | 02 Apr 2007 | 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 |
| WHITE, Paul Matthew RESIGNED | Secretary | | 09 Aug 1995 | | | 74 Locking Close, Bowerhill, Melksham, Wiltshire, SN12 6XS |
| ARCOSEC LIMITED RESIGNED | Secretary | 20 Dec 2001 | 02 Apr 2007 | | | 1 Grosvenor Place, London, SW1X 7JH |
| CLARKE, David Jonathan RESIGNED | Director | 01 Jun 2011 | 01 Dec 2016 | England | February 1974 | Hanson House, 14 Castle Hill, Maidenhead, Berkshire, SL6 4JJ, England |
| DRANSFIELD, Graham RESIGNED | Director | 02 Apr 2007 | 30 Jun 2008 | England | March 1951 | 18, Downs Hill, Beckenham, Kent, BR3 5HB |
| DRAPER, John RESIGNED | Director | | 27 Feb 1992 | | April 1941 | Yew Tree House, Ostlings Lane Bath Ford, Bath, Avon, BA1 7RW |
| EDMONDS, Richard Edward Howard RESIGNED | Director | | 08 Apr 1999 | | July 1925 | Micklefield Hall, Rickmansworth, Hertfordshire, WD3 6AQ |
| GIMMLER, Richard Robert RESIGNED | Director | 01 Sep 2008 | 30 Dec 2009 | England | April 1967 | Glebe House, Church Walk, Ashton Keynes, Swindon, Wiltshire, SN6 6PB |
| GUYATT, Benjamin John RESIGNED | Director | 01 Sep 2008 | 01 Jun 2011 | United Kingdom | October 1975 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| JONES, David Terence RESIGNED | Director | 27 Feb 1992 | 03 Mar 2001 | | February 1936 | 30 Church View, Freeland, Witney, Oxfordshire, OX8 8HT |
| KENNAWAY, Guy Charles RESIGNED | Director | 05 Jul 1993 | 26 Jun 1997 | | May 1957 | 44 Lamont Road, London, SW10 0JA |
| LAST, Terence Robert RESIGNED | Director | | 09 Jan 1995 | | July 1950 | Field Cottage Faversham Road, Boughton Aluph, Ashford, Kent, TN25 4PQ |
| LAWLESS, Peter Hugh RESIGNED | Director | 27 Feb 1992 | 20 Dec 2001 | | June 1944 | Elm House 50 Victoria Road, Trowbridge, Wiltshire, BA14 7LD |
| LECLERCQ, Christian RESIGNED | Director | 01 Sep 2008 | 31 Mar 2010 | England | September 1965 | 2, Court Drive, Maidenhead, Berkshire, SL6 8LX, United Kingdom |
| LEE-BROWNE, Martin Shaun Lee RESIGNED | Director | | 30 Sep 1995 | | October 1931 | Park Farm House, Park Street, Fairford, Glos, GL7 4JL |
| LITTLER, Andrew RESIGNED | Director | 21 May 1996 | 28 Aug 1997 | | November 1954 | Garston Farm, Frome, Somerset, BA11 1RU |
| PIRINCCIOGLU, Seyda RESIGNED | Director | 19 Jul 2010 | 31 Aug 2013 | England | May 1971 | Hanson House, 14 Castle Hill, Maidenhead, SL6 4JJ |
| RANKIN, James Harold Donaldson RESIGNED | Director | 21 May 1996 | 08 Apr 1999 | United Kingdom | July 1955 | Micklefield Hall, Sarratt Road Sarratt, Rickmansworth, Hertfordshire, WD3 6AQ |
| SMITH, Peter John RESIGNED | Director | 27 Feb 1992 | 31 Dec 1999 | | May 1937 | Kertonwood, Clink Road, Frome, Somerset, BA11 2EQ |
| SPELLER, Jeremy Peter John RESIGNED | Director | | 08 Apr 1999 | | August 1946 | The Nook The Old Farmhouse, Victoria St Yoxall, Burton On Trent, Staffordshire, DE13 8NG |
| STEELE, George RESIGNED | Director | | 27 Feb 1992 | | August 1913 | 3 Fairlawn Wharf, Abingdon, Oxfordshire, OX14 5ED |
| VEREKER, Mary St Joan Howard RESIGNED | Director | | 05 Jul 1993 | | July 1930 | Lane Garinie Larroque, 81140 Castelnau-De-Montmiral, France |
| VEREKER, Rupert RESIGNED | Director | 28 Aug 1997 | 08 Apr 1999 | | July 1957 | 12 Prairie Street, London, SW8 3PU |
| WHITE, Paul Matthew RESIGNED | Director | 12 May 1995 | 09 Aug 1995 | | May 1962 | 74 Locking Close, Bowerhill, Melksham, Wiltshire, SN12 6XS |
| WOOLLEY, David Glyn RESIGNED | Director | 28 Aug 1997 | 20 Dec 2001 | | January 1957 | 10 Burleigh Way, Wickwar, Wotton-Under-Edge, Gloucestershire, GL12 8LR |
| ARCODIRECT LIMITED RESIGNED | Director | 20 Dec 2001 | 01 Sep 2008 | | | 1 Grosvenor Place, London, SW1X 7JH |