| Alan Leonard Whitnall | Secretary | 28 Jun 2002 | 29 May 2009 | British | - |
| Charlotte Secretaries Limited | Corporate Secretary | 12 Oct 2000 | 2 Oct 2001 | United Kingdom | - |
| Colin Brown | Director | 27 Aug 2013 | 31 May 2019 | British | 58 years |
| Derek Scott | Secretary | 2 Oct 2001 | 28 Jun 2002 | British | - |
| Iain Maury Campbell Meiklejohn | Nominee Director | 12 Oct 2000 | 2 Oct 2001 | British | 72 years |
| John Connor Hamilton | Director | 5 Feb 2009 | 14 Aug 2020 | British | 59 years |
| Keith Robertson Cochrane | Director | 2 Oct 2001 | 28 Jun 2002 | British | 61 years |
| Martin Andrew Griffiths | Director | 2 Oct 2001 | 8 Jan 2021 | British | 60 years |
| Michael John Vaux | Director | 29 Mar 2010 | 29 Mar 2010 | British | 55 years |
| Michael John Vaux | Director | 29 Mar 2010 | 30 Jul 2024 | British | 55 years |
| Michael John Vaux | Secretary | 29 May 2009 | 30 Jul 2024 | British | - |
| Nicholas Leigh Guest | Director | 28 Jun 2002 | 12 Sept 2007 | British | 60 years |
| Nicola Susan Mary Salmond | Director | 1 Sept 2004 | 12 Feb 2010 | British | 50 years |
| Robert Arthur Benns | Director | 27 Jul 2011 | 16 Sept 2016 | British | 58 years |
| Ross John Paterson | Director | 28 Jun 2002 | 1 Sept 2004 | British | 55 years |
| Ross John Paterson | Director | 27 Jul 2011 | 8 Jan 2021 | British | 55 years |