| Alastair Cooper | Director | 19 Apr 2005 | 27 Apr 2010 | British | 59 years |
| Alastair Cooper | Secretary | 19 Apr 2005 | 27 Apr 2010 | British | - |
| Andrea Jayne Tidd | Director | 4 Oct 2013 | 12 Feb 2014 | British | 69 years |
| Andrew Peter Hinton | Director | 9 Mar 2005 | 31 Dec 2020 | British | 74 years |
| Ciaran Daniel Leaden | Director | 30 Apr 2003 | 24 Nov 2003 | Irish | 62 years |
| David John Parkes | Director | 30 Apr 2003 | 31 Oct 2005 | British | 73 years |
| Derek Porter | Director | 14 Feb 2003 | 9 Mar 2005 | British | 73 years |
| Douglas Alexander Cumine | Director | 8 Nov 2002 | 30 Apr 2003 | British | 73 years |
| Hamish William Bethune | Director | 19 Sept 2001 | 31 Jan 2003 | British | 77 years |
| Ian Peter Bryan | Director | 19 Apr 2005 | 12 Oct 2007 | British | 66 years |
| Mark James Murfitt | Director | 31 Dec 2020 | 30 Jun 2025 | British | 64 years |
| Mark Lynott | Director | 31 Dec 2021 | 30 Jun 2025 | British | 51 years |
| Martin George Selwyn Gibson | Director | 25 Apr 2005 | 6 Sept 2006 | British | 65 years |
| Michael Cory Jordan | Secretary | 9 Mar 2005 | 19 Apr 2005 | British | - |
| Michael Fishwick | Director | 5 Dec 2003 | 1 Jun 2004 | British | 61 years |
| Michael Jordan | Director | 8 Nov 2002 | 6 Sept 2006 | British | 56 years |
| Nicholas Andrew Wyatt | Director | 9 Mar 2005 | 31 Dec 2020 | British | 64 years |
| Nizar Bahadurali Pabani | Secretary | 31 Dec 2021 | 4 Jul 2025 | - | - |
| Ronald Barrie Clapham | Director | 19 Sept 2001 | 9 Mar 2005 | British | 75 years |
| Secretar Securities Limited | Corporate Secretary | 19 Sept 2001 | 9 Mar 2005 | United Kingdom | - |
| Stephen Patterson | Director | 3 Aug 2005 | 15 Oct 2007 | British | 58 years |
| Stephen Patterson | Director | 15 Nov 2007 | 1 Apr 2010 | British | 58 years |
| Stephen Withers | Director | 30 Apr 2003 | 23 Aug 2006 | British | 64 years |
| Wataru Goroku | Director | 31 Dec 2021 | 3 Jan 2023 | Japanese | 52 years |
| William Graham Cheesebrough | Director | 10 Mar 2004 | 17 May 2004 | British | 62 years |