| QUAYSECO LIMITED ACTIVE | Secretary | 27 Jan 2010 | | | | One, Glass Wharf, Bristol, BS2 0ZX |
| DRONHOFER, Andre, Dr ACTIVE | Director | 22 Dec 2022 | | Germany | August 1969 | 1, Harris Road, Calne, SN11 9PT, United Kingdom |
| HARTEL, Oliver ACTIVE | Director | 22 Dec 2022 | | Germany | February 1984 | 1, Harris Road, Calne, SN11 9PT, United Kingdom |
| OPIE, Gillian Fern ACTIVE | Director | 01 May 2023 | | United Kingdom | January 1963 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| SEIDLITZ, Cliff ACTIVE | Director | 01 Jun 2019 | | Germany | December 1969 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| BLEWITT, Neil Thomas RESIGNED | Secretary | 16 Mar 1998 | 17 Mar 1998 | | | 21 Barry Place, Derry Hill, Calne, Wiltshire, SN11 9NX |
| COUPLAND, James David RESIGNED | Secretary | 30 Jun 1993 | 24 Feb 1995 | | | Falkenstein, Great Rough, Newick, East Sussex, BN8 4HY |
| DICKSON, Trevor James RESIGNED | Secretary | 23 Apr 2004 | 07 Nov 2005 | | | Bayer House, Strawberry Hill, Newbury, Berkshire, RG14 1JA |
| HOFFMAN, Joseph Arthur RESIGNED | Secretary | 16 Mar 1998 | 20 Nov 2000 | | | 6269 North Huntington Drive, Solon 44139, Ohio, Usa, FOREIGN |
| NEWSON, Martin David RESIGNED | Secretary | 05 Jun 2001 | 23 Apr 2004 | | | 30 Abberbury Road, Iffley, Oxford, Oxfordshire, OX4 4ES |
| SMITH, Paul William RESIGNED | Secretary | 05 Feb 2007 | 16 Dec 2009 | | | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| WILKINSON, Mark Alistair RESIGNED | Secretary | 07 Nov 2005 | 05 Feb 2007 | | | Bayer House, Strawberry Hill, Newbury, Berkshire, RG14 1JA |
| SIMMLAW SERVICES LIMITED RESIGNED | Secretary | 20 Nov 2000 | 05 Jun 2001 | | | C/O Simmons & Simmons, Citypoint One Ropemaker Street, London, EC2Y 9SS |
| SWIFT INCORPORATIONS LIMITED RESIGNED | Nominee Secretary | 23 Jun 1993 | 30 Jun 1993 | | | 26, Church Street, London, NW8 8EP |
| WAF SECRETARIES LIMITED RESIGNED | Secretary | 24 Feb 1995 | 16 Mar 1998 | | | 3 St Mary Street, Chippenham, Wiltshire, SN15 3JL |
| BAILEY, Terence RESIGNED | Director | 06 Aug 1993 | 16 Mar 1998 | | February 1944 | Northgate Brookledge Lane, Adlington, Macclesfield, Cheshire, SK10 4JU |
| BLEWITT, Neil Thomas RESIGNED | Director | 06 Aug 1993 | 16 Mar 1998 | | March 1960 | 21 Barry Place, Derry Hill, Calne, Wiltshire, SN11 9NX |
| CONFROY, Mark RESIGNED | Director | 01 Jan 2010 | 26 Jul 2018 | United States | July 1961 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| COUPLAND, James David RESIGNED | Director | 30 Jun 1993 | 06 Aug 1993 | | March 1938 | Falkenstein, Great Rough, Newick, East Sussex, BN8 4HY |
| COURTH, Lambert RESIGNED | Director | 23 Apr 2004 | 03 Jul 2006 | | March 1946 | Bayer House, Strawberry Hill, Newbury, Berkshire, RG14 1JA |
| DAWKINS, Martin Scott RESIGNED | Director | 03 Jul 2006 | 31 Jan 2007 | England | March 1960 | Bayer House, Strawberry Hill, Newbury, Berkshire, RG14 1JA |
| GAFFNEY, John Michael RESIGNED | Director | 01 Jul 2004 | 01 Jan 2010 | United Kingdom | May 1957 | 10 Northfields, Calne, Wiltshire, SN11 9ED |
| GOODE, Stuart RESIGNED | Director | 07 Sep 2010 | 10 Jan 2014 | Uk | November 1969 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| HEUMUELLER, Heinz, Doctor RESIGNED | Director | 23 Apr 2004 | 01 Aug 2009 | | February 1951 | Hainholz 10, Goslar, 38640 |
| HOFFMAN, Joseph Arthur RESIGNED | Director | 02 Dec 2003 | 23 Apr 2004 | | November 1946 | 7468 Stockwood Drive, Solon 44139, Ohio, Usa |
| HOFFMAN, Joseph Arthur RESIGNED | Director | 16 Mar 1998 | 20 Nov 2000 | | November 1946 | 6269 North Huntington Drive, Solon 44139, Ohio, Usa, FOREIGN |
| HOMILLER, William Jacob RESIGNED | Director | 20 Apr 2020 | 19 Oct 2022 | United States | January 1970 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| JUNG, Ernst Norbert RESIGNED | Director | 20 Nov 2000 | 23 Apr 2004 | | May 1950 | Robbachstr 6, Cologne, 50373, FOREIGN, Germany |
| LEBLANC, Paul RESIGNED | Director | 10 Aug 2016 | 19 Oct 2022 | United States | December 1956 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| MADER, Andreas RESIGNED | Director | 26 Jul 2018 | 20 Apr 2020 | United States | June 1963 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| MASTERS, Matthew RESIGNED | Director | 10 Nov 2020 | 30 Apr 2023 | United Kingdom | March 1975 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| MCCORRY, Richard Paul RESIGNED | Director | 07 Oct 2008 | 01 Dec 2010 | Usa | February 1962 | 1529 Scenic Hollow Drive, Rochester Hills, Michigan 48306, United States |
| MCHUGH, Larry RESIGNED | Director | 20 Nov 2000 | 02 Dec 2003 | | March 1949 | 23 Wedgewood Road, Wellesly, Massachusetts 02481, America |
| SHASHKOV, Dmitry RESIGNED | Director | 01 Dec 2010 | 31 Jul 2016 | United States | December 1966 | 45, Industrial Place, Newton, Ma, 02461, Usa |
| SMITH, Martin Alan RESIGNED | Director | 01 Feb 2015 | 01 Jun 2019 | United Kingdom | December 1971 | 1 Harris Road, Calne, Wiltshire, SN11 9PT |
| STEINBRINK, William Howard RESIGNED | Director | 16 Mar 1998 | 20 Nov 2000 | | October 1942 | 11 Colony Lane, Bratenahl, Ohio, 44108, Usa |
| TOWEY, Andrew David RESIGNED | Director | 20 Nov 2000 | 01 Jul 2004 | | August 1970 | Tytherton House, East Tytherton, Chippenham, Wiltshire, SN15 4LX |
| WALSH, Bernard RESIGNED | Director | 30 Jun 1993 | 06 Aug 1993 | | September 1952 | 17 Lyndhurst Drive, Bicknacre, Chelmsford, CM3 4XL |
| INSTANT COMPANIES LIMITED RESIGNED | Nominee Director | 23 Jun 1993 | 30 Jun 1993 | | | 1, Mitchell Lane, Bristol, Avon, BS1 6BU |