| Amanda Jane Emilia Massie | Secretary | 24 May 2001 | 9 Mar 2004 | British | - |
| Andrea Finegan | Director | 9 May 2005 | 30 Nov 2007 | German | 57 years |
| Andrew Oyesiku | Secretary | 9 Mar 2004 | 10 Feb 2006 | British | - |
| Bamike Sawyerr | Secretary | 30 Nov 2009 | 29 Apr 2010 | - | - |
| Christopher Stephen Best | Director | 1 Apr 2005 | 30 Nov 2005 | British | 64 years |
| Clare Ward | Secretary | 29 Apr 2010 | 13 Jan 2011 | - | - |
| David Russell Clements | Director | 24 May 2001 | 17 Jun 2002 | British | 83 years |
| Edward Hilton Clarke | Director | 9 Mar 2004 | 8 Feb 2006 | British | 60 years |
| Gaynor Birley-smith | Director | 30 Nov 2007 | 1 May 2008 | British | 60 years |
| Gemma Elizabeth Champkin | Secretary | 28 Sept 2011 | 12 Dec 2013 | - | - |
| Ian David Hudson | Director | 8 Feb 2006 | 8 Aug 2011 | British | 62 years |
| John Graham | Director | 1 May 2008 | 31 May 2018 | British | 73 years |
| Jonathan Charles Bennett Houlton | Director | 24 May 2001 | 3 Feb 2003 | British | 65 years |
| Jonathan Mark Trafankowski | Secretary | 15 Oct 2008 | 30 Nov 2009 | British | - |
| Katie Charmian David | Secretary | 29 Mar 2001 | 4 Nov 2002 | British | - |
| Lloyd Esau | Director | 3 Feb 2003 | 1 Jun 2005 | British | 61 years |
| Martin John Edward Tidd | Director | 29 Mar 2001 | 19 Dec 2003 | British | 66 years |
| Matthew James Webber | Director | 9 Mar 2004 | 9 May 2005 | British | 63 years |
| Md Directors Limited | Corporate Nominee Director | 23 Feb 2001 | 29 Mar 2001 | United Kingdom | - |
| Md Secretaries Limited | Corporate Nominee Secretary | 23 Feb 2001 | 29 Mar 2001 | United Kingdom | - |
| Michael Campion | Director | 19 Dec 2003 | 1 Apr 2005 | British | 56 years |
| Neil Victor Southern | Secretary | 13 Mar 2008 | 15 Oct 2008 | British | - |
| Nicholas George Williams | Director | 31 Oct 2002 | 9 Mar 2004 | British | 62 years |
| Nicholas John Edward Crowther | Director | 31 May 2018 | 1 Oct 2018 | British | 66 years |
| Paul Brian Matthews | Secretary | 13 Jan 2011 | 28 Sept 2011 | - | - |
| Pierre Gaetan Lamstaes | Secretary | 10 Feb 2006 | 13 Mar 2008 | British | - |
| Richard Webster | Secretary | 4 Nov 2002 | 9 Mar 2004 | British | - |
| Roger Francis Mcglynn | Director | 17 Jun 2002 | 9 Mar 2004 | British | 80 years |
| Simon James Potter | Director | 1 Jun 2005 | 28 Sept 2005 | British | 63 years |
| Steven Adi Yazdabadi | Director | 28 Sept 2005 | 30 Nov 2005 | British | 59 years |
| William Richard Crawford | Director | 29 Mar 2001 | 31 Oct 2002 | British | 63 years |