| Andrew John Mcglashan Richards | Director | 4 Jul 2002 | 28 Mar 2007 | British | 65 years |
| Anthony David Sedgwick | Director | 5 Sept 2005 | 28 Mar 2007 | British | 70 years |
| Anthony Weir | Director | 17 Nov 2008 | 23 Mar 2009 | British | 65 years |
| Anthony Weir | Secretary | 17 Nov 2008 | 23 Mar 2009 | British | - |
| Barry John Price | Director | 18 Jan 2011 | 4 Apr 2012 | British | 76 years |
| Campbell Hair | Director | 6 Dec 2021 | 10 Aug 2022 | British | 63 years |
| Catherine Susan Beech | Director | 23 Dec 2004 | 28 Mar 2007 | British | 68 years |
| Darren Michael Millington | Director | 28 Mar 2007 | 19 Sept 2008 | British | 49 years |
| Darren Michael Millington | Secretary | 28 Mar 2007 | 19 Sept 2008 | British | - |
| David John Chiswell | Director | 24 Mar 2005 | 28 Mar 2007 | British | 72 years |
| David Jonathan Powell | Director | 29 Jan 2021 | 26 Nov 2021 | Irish | 57 years |
| Derek Thomas Edward Jones | Director | 3 Jul 2002 | 28 Mar 2007 | British | 64 years |
| Emma Rachel Feltham | Director | 24 Jul 2001 | 14 Dec 2001 | British | 44 years |
| Eversheds Llp | Corporate Secretary | 14 Dec 2001 | 20 Nov 2002 | - | - |
| Glyn Owain Edwards | Director | 4 Apr 2012 | 5 Jun 2020 | British | 70 years |
| Herwig Baier | Director | 3 Feb 2002 | 13 Mar 2002 | German | 60 years |
| Jeffrey Maranian | Director | 6 Dec 2021 | 21 Jan 2022 | American | 44 years |
| Keith Howard Churchman | Director | 20 Apr 2006 | 28 Mar 2007 | British | 67 years |
| Keith Howard Churchman | Secretary | 16 Dec 2005 | 28 Mar 2007 | British | - |
| Maureen Pooley | Nominee Director | 24 Jul 2001 | 14 Dec 2001 | British | 79 years |
| Maureen Pooley | Nominee Secretary | 24 Jul 2001 | 14 Dec 2001 | British | - |
| Paul Goldsmith | Director | 14 Dec 2001 | 28 Mar 2007 | British | 55 years |
| Richard Storer | Director | 3 Dec 2010 | 21 Nov 2012 | British | 78 years |
| Roger William Brimblecombe | Director | 8 Jul 2002 | 23 Mar 2005 | British | 96 years |
| Sharon Jeen Benning Prince | Secretary | 19 Sept 2008 | 17 Nov 2008 | British | - |
| Steven Koon Ching Lee | Director | 28 Mar 2007 | 3 Dec 2010 | British | 59 years |
| Susan Elizabeth Dixon | Secretary | 20 Nov 2002 | 16 Dec 2005 | British | - |
| Ventzislav Kirilov Stefanov | Director | 27 May 2020 | 4 Dec 2020 | Bulgarian | 58 years |
| William Anthony Harris | Director | 14 Dec 2001 | 23 Dec 2004 | Canadian | 75 years |