| WORRALLO, Peter Anthony ACTIVE | Director | 21 Jan 2016 | | England | March 1962 | 1-5, Barton Lane, Abingdon Science Park, Abingdon, Oxfordshire, OX14 3NB |
| FRANKLIN, Stuart Kenneth RESIGNED | Secretary | 15 Jun 2012 | 15 Apr 2019 | | | 1-5, Barton Lane, Abingdon Science Park, Abingdon, Oxfordshire, OX14 3NB, United Kingdom |
| GARDNER, Penelope Jane RESIGNED | Secretary | 17 Sep 1996 | 10 Oct 1997 | | | Riverview Headington Hill, Headington, Oxford, Oxfordshire, OX3 0BT |
| HARWOOD SMITH, Richard Martin RESIGNED | Secretary | 30 Apr 2007 | 15 Jun 2012 | | | Abingdon Science Park, Barton Lane, Abingdon, OX14 3PH |
| RAE, John Lawrence RESIGNED | Secretary | 18 Dec 2002 | 27 May 2003 | | | 24 Newland Mill, Witney, Oxfordshire, OX28 3HH |
| WAYNE, Harold RESIGNED | Nominee Secretary | 17 Sep 1996 | 17 Sep 1996 | | | Burlington House, 40 Burlington Rise, East Barnet, Hertfordshire, EN4 8NN |
| A B & C SECRETARIAL LIMITED RESIGNED | Secretary | 10 Oct 1997 | 18 Dec 2002 | | | 100 Barbirolli Square, Manchester, M2 3AB |
| COBBETTS (SECRETARIAL) LIMITED RESIGNED | Secretary | 27 May 2003 | 30 Apr 2007 | | | Ship Canal House, King Street, Manchester, M2 4WB |
| ARMSTRONG, Simon John RESIGNED | Director | 16 Dec 2004 | 15 Dec 2008 | United Kingdom | May 1962 | Orchard House, Heatherwold, Newtown, Newbury, Berkshire, RG20 9BG |
| BENNETT, John Peter RESIGNED | Director | 17 Sep 1996 | 10 Oct 1997 | | August 1955 | 22 Birch Road, Garsington, Oxon, OX44 9AP |
| DAWSON, Michael Townend RESIGNED | Director | 05 Feb 1997 | 10 Oct 1997 | | December 1931 | Scandale, Owler Park Road, Ilkley, West Yorkshire, LS29 0BG |
| FRANKLIN, Stuart Kenneth RESIGNED | Director | 02 Jul 2012 | 15 Apr 2019 | England | February 1976 | 1-5, Barton Lane, Abingdon Science Park, Abingdon, Oxfordshire, OX14 3NB, United Kingdom |
| GARDNER, Penelope Jane RESIGNED | Director | 17 Sep 1996 | 13 Mar 1998 | England | May 1956 | Riverview Headington Hill, Headington, Oxford, Oxfordshire, OX3 0BT |
| HARWOOD SMITH, Richard Martin RESIGNED | Director | 07 Jun 2005 | 30 Jun 2012 | England | September 1953 | Abingdon Science Park, Barton Lane, Abingdon, OX14 3PH |
| KELLY, Maxwell RESIGNED | Director | 14 Apr 2009 | 12 Aug 2011 | England | October 1963 | Abingdon Science Park, Barton Lane, Abingdon, OX14 3PH |
| LEYLAND, Peter Anthony RESIGNED | Director | 18 Aug 2009 | 31 Mar 2011 | United Kingdom | May 1955 | Abingdon Science Park, Barton Lane, Abingdon, OX14 3PH |
| MOON, Stephen Edward RESIGNED | Director | 12 Aug 2011 | 21 Jan 2016 | England | February 1970 | 1-5, Barton Lane, Abingdon Science Park, Abingdon, Oxfordshire, OX14 3NB, United Kingdom |
| PINFOLD, Roger John RESIGNED | Director | 05 Feb 1997 | 10 Oct 1997 | England | January 1946 | Roseland, 80 Camp Road, Gerrards Cross, Buckinghamshire, SL9 7PB |
| PRICE, William Frederick Ernest RESIGNED | Director | 10 Oct 1997 | 01 Jun 2001 | United Kingdom | November 1947 | Willowbrook 20 High Street, Wheatley, Oxford, Oxfordshire, OX33 1XX |
| RAE, John Lawrence RESIGNED | Director | 10 Oct 1997 | 07 Jun 2005 | | October 1947 | 24 Newland Mill, Witney, Oxfordshire, OX28 3HH |
| SEYMOUR, John Henry RESIGNED | Director | 05 Feb 1997 | 10 Oct 1997 | United Kingdom | August 1928 | 14 Ross Way, Northwood, Middlesex, HA6 3HU |
| TUDOR, Peter Hugh RESIGNED | Director | 10 Oct 1997 | 18 Oct 2004 | United Kingdom | April 1956 | Mill Farm House, Black Bourton, Bampton, Oxfordshire, OX18 2PE |
| WAYNE, Yvonne RESIGNED | Nominee Director | 17 Sep 1996 | 17 Sep 1996 | United Kingdom | July 1980 | Burlington House, 40 Burlington Rise, East Barnet, Hertfordshire, EN4 8NN |
| WOND, Geoffrey Ian RESIGNED | Director | 10 Oct 1997 | 28 Sep 1998 | | February 1946 | 20, West Ilsley, Newbury, Berkshire, RG20 7AR |