| Alan Donald Parkinson | Director | 3 Mar 2005 | 1 Sept 2005 | British | 63 years |
| Andrew David Barnard | Director | 1 Feb 2010 | 6 Jun 2011 | British | 54 years |
| Andrew James Morris | Director | 10 Sept 2007 | 4 Nov 2008 | British | 53 years |
| Angela Mary Cunningham | Secretary | 12 Mar 2004 | 15 Dec 2006 | British | - |
| Anthony Edward Peppard | Director | 26 May 2004 | 31 Dec 2004 | Irish | 67 years |
| Carolyn Jean Down | Secretary | 15 Dec 2006 | 31 Oct 2012 | Other | - |
| Christopher Peter Elton | Director | 7 Dec 1998 | 31 Jan 2003 | British | 65 years |
| Corporate Appointments Limited | Corporate Nominee Director | 24 Nov 1998 | 7 Dec 1998 | United Kingdom | - |
| David Colin Manuel | Director | 14 Dec 2005 | 23 Jan 2006 | British | 56 years |
| David Edmund Cartledge | Director | 17 Aug 2005 | 21 Sept 2010 | British | 79 years |
| Derek John Lewis | Secretary | 22 Aug 2005 | 14 Jul 2006 | British | - |
| Garry Cuthbertson | Director | 7 Dec 1998 | 31 Dec 2000 | British | 69 years |
| Garry Cuthbertson | Secretary | 7 Dec 1998 | 31 Dec 2000 | British | - |
| Graham Colin Clemett | Director | 14 Dec 2005 | 1 Jun 2007 | British | 65 years |
| Howard David Lincoln | Director | 18 Dec 2015 | 30 Nov 2017 | British | 58 years |
| Ian Charles Franks | Secretary | 31 Dec 2000 | 12 Mar 2004 | British | - |
| Jocelyn Nadauld Brushfield | Director | 21 Sept 2010 | 18 Dec 2015 | British | 55 years |
| Keith Haisman | Director | 17 Aug 2005 | 14 Jul 2006 | British | 76 years |
| Mark Andrew Lambert | Director | 17 Aug 2005 | 13 Mar 2006 | British | 59 years |
| Mark Andrew Spicknell | Director | 3 Mar 2005 | 10 Sept 2007 | British | 58 years |
| Mark Stanworth | Director | 26 May 2004 | 31 Mar 2005 | British | 61 years |
| Neeraj Kapur | Director | 1 Jun 2007 | 1 Feb 2010 | British | 60 years |
| Nigel Timothy John Clibbens | Director | 14 Jul 2006 | 6 Jun 2011 | British | 66 years |
| Paul William Henry Dixon | Director | 7 Dec 1998 | 27 May 2004 | British | 82 years |
| Robert Andrew Bailey | Director | 3 Mar 2005 | 27 Feb 2009 | British | 59 years |
| Secretarial Appointments Limited | Corporate Nominee Secretary | 24 Nov 1998 | 7 Dec 1998 | United Kingdom | - |
| Shankar Ramanathan | Director | 26 May 2004 | 23 Feb 2005 | British | 61 years |
| Simon Timothy Dixon | Director | 31 Dec 2000 | 27 May 2004 | British | 59 years |
| Thomas John Booth | Director | 3 Mar 2005 | 1 Sept 2005 | British | 71 years |
| Thomas Peter Kennedy | Director | 4 Nov 2008 | 19 Mar 2012 | British | 67 years |