| WALTON, Vaughn ACTIVE | Secretary | 29 Jan 2020 | | | | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| KOKKE, Jorgen ACTIVE | Director | 01 Jul 2023 | | United States | October 1968 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| NOONAN, Denis Mary ACTIVE | Director | 31 Oct 2007 | | England | February 1966 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| RUSSELL, Andrew Paul ACTIVE | Director | 20 Aug 2025 | | United Kingdom | June 1974 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| CRICHTON, Cara RESIGNED | Secretary | 12 Apr 2013 | 29 Jan 2020 | | | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| FARRELLY, Ian RESIGNED | Secretary | 27 Jul 2010 | 12 Apr 2013 | | | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| PIGTALES LIMITED RESIGNED | Secretary | | 27 Jul 2010 | | | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG, United Kingdom |
| ALLNER, Andrew James RESIGNED | Director | 30 Sep 1998 | 01 Apr 2000 | | December 1953 | 9 The Crescent, Barnes, London, SW13 0NN |
| ANDERSON, James Harold, Dr RESIGNED | Director | 01 Jan 1999 | 31 Jul 2000 | | December 1950 | Syaqua Usa,1100 Moraga Way, Suite 102, Moraga, California Ca 94556, Usa |
| BICHARD, Maurice RESIGNED | Director | | 27 May 1995 | | May 1935 | The Farmhouse, Fyfield Wick, Abingdon, Oxon |
| BIGGS, Ian RESIGNED | Director | 01 Jan 1994 | 04 Dec 1998 | | | Warren Hill House, Storrington Road, Washington, Pulborough, West Sussex, RH20 4AQ |
| BITAR, Karim RESIGNED | Director | 30 Sep 2011 | 13 Sep 2019 | United Kingdom | February 1965 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| BODEN, Martin Brett RESIGNED | Director | 02 Apr 2007 | 26 Feb 2009 | | January 1959 | South House, The Green Adderbury, Banbury, Oxford, OX17 3NE |
| CLOTHIER, Richard John RESIGNED | Director | | 01 Jan 1993 | | July 1945 | 77 Limerston Street, London, SW10 0BL |
| CRICHTON, Stewart Alexander Rankin Proctor RESIGNED | Director | 31 Jul 2000 | 01 Sep 2006 | United Kingdom | July 1951 | Sygen International Plc, 2 Kingston Business Park, Kingston Bagpuize, Oxfordshire, OX13 5FE |
| DAVID, Phillip James, Dr RESIGNED | Director | 01 Jan 1994 | 31 Jul 2000 | United States | December 1952 | 1079 Martino Road, Lafayette, California 94549, Usa |
| DRAKE, Michael Brian RESIGNED | Director | 01 Sep 2006 | 31 Oct 2007 | England | February 1960 | 7 Tattersall Close, Wokingham, Berkshire, RG40 2LP |
| DURRANDS, Paul Kenneth, Dr RESIGNED | Director | 04 Aug 1995 | 30 Sep 1998 | United Kingdom | July 1962 | Linkside Cottage, Tubney, Oxfordshire, OX13 5QL |
| GANDY, Brian Edgar RESIGNED | Director | 30 Sep 1997 | 12 Jan 1999 | | May 1941 | 32 Florence Road, Church Crookham, Fleet, Hampshire, GU13 9LQ |
| HANNA, Kenneth George RESIGNED | Director | 10 Mar 1998 | 30 Sep 1998 | | April 1953 | Sandycombe, 2a Ennerdale Road, Kew Richmond, Surrey, TW9 3PG |
| HARBOUR, Peter Leon RESIGNED | Director | 31 Jul 2000 | 31 Jul 2003 | United Kingdom | July 1945 | 10 Beech Close, Faringdon, Oxfordshire, SN7 7EN |
| HARRIS, Robert Nicholas RESIGNED | Director | 14 May 1992 | 30 Sep 1997 | | January 1939 | Bingles, Lye Green, Withyam, Sussex, TN6 1UU |
| HENRIKSEN, Alison Jane RESIGNED | Director | 29 Jan 2020 | 31 Jul 2025 | United Kingdom | October 1967 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4FF |
| KIRK, Paul RESIGNED | Director | | 10 Mar 1998 | United Kingdom | August 1946 | Fosseway House, Alderton Road, Grittleton Chippenham, Wiltshire, SN14 6AN |
| TIMMINS, David Peter RESIGNED | Director | 01 Sep 2006 | 02 Apr 2007 | | October 1952 | Stable Cottage, Mulsford Lane, Worthenbury, Wrexham, Clwyd, LL13 0AW |
| VERRET, Bernard RESIGNED | Director | 01 Jan 1999 | 01 Sep 2006 | | January 1959 | Sygen International Plc, 2 Kingston Business Park, Kingston Bagpuize, Oxfordshire, OX13 5FE |
| WILSON, Stephen David RESIGNED | Director | 01 Mar 2013 | 07 Aug 2023 | England | October 1959 | Matrix House, Basing View, Basingstoke, Hampshire, RG21 4DZ, England |
| WOOD, Richard Kenneth RESIGNED | Director | 27 Jul 2010 | 30 Sep 2011 | England | December 1944 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |
| WORBY, John Graham RESIGNED | Director | 18 Feb 2009 | 01 Mar 2013 | United Kingdom | November 1950 | Belvedere House, Basing View, Basingstoke, Hampshire, RG21 4HG |