| Alastair Macgregor Couper | Director | 27 Nov 2008 | 19 Jun 2009 | British | 64 years |
| Alexander Keith Mair | Director | 2 Dec 2004 | 18 Nov 2009 | British | 79 years |
| Andrew Lundie Glen | Director | 1 Feb 2010 | 31 Aug 2011 | British | 63 years |
| Andrew Lundie Glen | Secretary | 8 Apr 2008 | 31 Aug 2011 | British | - |
| Bruce Chisholm | Director | 2 Dec 2004 | 13 May 2011 | British | 74 years |
| Bruce Chisholm | Secretary | 28 Sept 2004 | 8 Apr 2008 | British | - |
| Colin Carrick Watson | Director | 31 Aug 2011 | 31 Dec 2015 | British | 64 years |
| Colin Carrick Watson | Secretary | 31 Aug 2011 | 31 Dec 2015 | British | - |
| David Miller Workman | Director | 11 Nov 2009 | 30 Jun 2013 | British | 66 years |
| Douglas Alan Sedge | Director | 1 Nov 2005 | 31 May 2008 | British | 71 years |
| Erik-jan Willem Bijvank | Director | 1 Jan 2016 | 7 Jan 2019 | British | 57 years |
| George Mathieson Boyle | Director | 2 Dec 2004 | 1 Oct 2005 | British | 80 years |
| John Findlay | Secretary | 1 Jan 2016 | 1 Feb 2025 | - | - |
| John William Ray | Director | 28 Sept 2004 | 13 May 2011 | British | 78 years |
| Kevin John Lyon | Director | 1 Feb 2010 | 13 May 2011 | British | 65 years |
| Ledge Services Limited | Corporate Nominee Director | 6 Sept 2004 | 28 Sept 2004 | United Kingdom | - |
| Ledingham Chalmers | Corporate Nominee Secretary | 6 Sept 2004 | 28 Sept 2004 | - | - |
| Mark Robert Kerr | Director | 18 Nov 2009 | 13 May 2011 | British | 59 years |
| Michael John Fleming | Director | 8 Jun 2005 | 18 Nov 2009 | British,irish | 68 years |
| Richard John Muir Ellis | Director | 28 Sept 2004 | 9 Sept 2005 | British | 81 years |
| Robert Alexander Buskie | Director | 2 Dec 2004 | 31 Jul 2008 | British | 68 years |
| Sandeep Sharma | Director | 3 Oct 2011 | 10 Jul 2015 | British | 56 years |
| Stephen Graham Bentley | Director | 1 Sept 2006 | 31 May 2008 | British | 73 years |
| Timothy Mary Slattery | Director | 4 Jun 2007 | 1 Feb 2010 | British | 82 years |
