| Alison Ann Hargreaves | Secretary | 21 Apr 1997 | 13 Aug 1999 | British | - |
| Caroline Mary Tolhurst | Secretary | 13 Aug 1999 | 1 Jul 2008 | British | - |
| Combined Nominees Limited | Corporate Nominee Director | 21 Apr 1997 | 21 Apr 1997 | United Kingdom | - |
| Combined Secretarial Services Limited | Corporate Nominee Director | 21 Apr 1997 | 21 Apr 1997 | United Kingdom | - |
| Combined Secretarial Services Limited | Corporate Nominee Secretary | 21 Apr 1997 | 21 Apr 1997 | United Kingdom | - |
| Darren James Patrick Rawcliffe | Director | 1 Feb 2006 | 31 Dec 2008 | British | 58 years |
| Douglas Robert Jan De Broekert | Director | 21 Apr 1997 | 31 Dec 1998 | British | 87 years |
| Gary James Powell | Director | 2 Mar 2009 | 3 Dec 2012 | British | 52 years |
| George Ian Macloy Cockburn | Director | 21 Apr 1997 | 31 Dec 1997 | British | 81 years |
| Giles Andrew Clarke | Director | 1 Jul 2008 | 7 Nov 2013 | British | 59 years |
| Ian Douglas Mair | Director | 3 Dec 2012 | 20 Jun 2014 | British | 53 years |
| Jenefer Dawn Greenwood | Director | 28 Apr 2004 | 30 Jun 2006 | British | 69 years |
| Katharine Emma Robinson | Secretary | 1 Jul 2008 | 7 Jun 2018 | British | - |
| Mark Robin Preston | Director | 30 Jun 2006 | 30 Jun 2008 | British | 58 years |
| Martin Aldred | Director | 21 Apr 1997 | 31 Mar 2000 | British | 81 years |
| Peter Sean Vernon | Director | 7 Apr 2005 | 31 Dec 2016 | British | 67 years |
| Raymond Charles Williams | Director | 21 Apr 1997 | 1 Feb 2006 | British | 73 years |
| Richard Simon Handley | Director | 10 Apr 2000 | 28 Apr 2004 | British | 72 years |
| Richard Simon Handley | Director | 23 Feb 2005 | 3 Apr 2008 | British | 72 years |
| Sarah-jane Curtis | Director | 21 Apr 1997 | 13 Sept 2002 | British | 63 years |
| Sarah-jane Curtis | Director | 30 Jun 2006 | 15 Nov 2010 | British | 63 years |
| Simon Richard Elmer | Director | 10 Jul 2009 | 18 Mar 2010 | British | 62 years |
| Stephen Howard Rhodes Musgrave | Director | 31 Dec 1998 | 28 Apr 2004 | British | 73 years |
| Stephen Howard Rhodes Musgrave | Director | 23 Feb 2005 | 30 Jun 2006 | British | 73 years |
| Ulrike Schwarz-runer | Director | 1 Feb 2011 | 28 Apr 2016 | Austrian | 55 years |
| William John Ashworth Bullough | Director | 10 Apr 2000 | 9 Feb 2007 | British | 76 years |
| William Robert Bax | Director | 25 Jan 2017 | 1 Jun 2018 | British | 48 years |