| Alan George Nuttall | Director | 22 Dec 2005 | 15 Sept 2006 | British | 75 years |
| Collette Julie Darcy | Director | 25 Mar 2004 | 22 Dec 2005 | British | 61 years |
| Gerald Campbell More | Director | 26 Jun 2020 | 21 Jan 2025 | British | 64 years |
| Glenn Fraser Whyte Allison | Director | 15 Sept 2006 | 31 Mar 2019 | British | 69 years |
| Graham Ritchie | Director | 25 Mar 2004 | 22 Dec 2005 | British | 73 years |
| Graham Ritchie | Secretary | 25 Mar 2004 | 22 Dec 2005 | British | - |
| John Christopher Irvine | Director | 15 Sept 2006 | 30 Jan 2015 | United Kingdom | 62 years |
| Keith Phillip Gannon | Director | 25 Mar 2004 | 22 Dec 2005 | British | 63 years |
| Lesley Anderson | Secretary | 15 Sept 2006 | 16 Jul 2007 | British | - |
| Michael Sinclair Medine | Secretary | 12 Jul 2018 | 3 Sept 2020 | - | - |
| Pamela Jane Corray | Secretary | 16 Jul 2007 | 6 Jun 2008 | British | - |
| Philip Richard Pattison | Director | 22 Dec 2005 | 15 Sept 2006 | British | 72 years |
| Philip Richard Pattison | Secretary | 22 Dec 2005 | 15 Sept 2006 | British | - |
| Robert Fraser Pearson Park | Director | 23 Apr 2019 | 21 Dec 2024 | British | 55 years |
| Robert Fraser Pearson Park | Secretary | 3 Sept 2020 | 21 Dec 2024 | - | - |
| Scott Craig Martin | Secretary | 28 May 2013 | 12 Jul 2018 | - | - |
| Stuart Alastair Macgregor | Director | 29 Apr 2015 | 14 Nov 2024 | British | 54 years |
| Stuart Charles Oag | Secretary | 6 Jun 2008 | 1 Feb 2013 | British | - |
| Waterlow Nominees Limited | Corporate Nominee Director | 13 Jan 2004 | 13 Jan 2004 | - | - |
| Waterlow Secretaries Limited | Corporate Nominee Secretary | 13 Jan 2004 | 13 Jan 2004 | United Kingdom | - |