| Alan Jeffrey Kirk | Director | 28 Nov 2005 | 11 Jan 2006 | Irish | 54 years |
| Alan Jeffrey Kirk | Secretary | 28 Nov 2005 | 11 Jan 2006 | Irish | - |
| Alan John Kynoch Wordie | Director | 11 Jan 2006 | 19 May 2009 | British | 70 years |
| Alexander Douglas Douglas Hamilton Clydesdale | Director | 16 Jan 2008 | 5 Mar 2021 | British | 48 years |
| Darren John Miler | Secretary | 11 Jan 2006 | 8 May 2006 | British | - |
| Fraser Irvine Niven | Director | 28 Nov 2005 | 31 Mar 2014 | British | 63 years |
| John Kenneth Brown | Director | 5 Mar 2021 | 31 Dec 2023 | British | 69 years |
| Morton Fraser Directors Limited | Corporate Director | 17 Nov 2005 | 28 Nov 2005 | United Kingdom | - |
| Morton Fraser Secretaries Limited | Corporate Secretary | 17 Nov 2005 | 28 Nov 2005 | - | - |
| Niven Guy Simpson | Director | 5 Mar 2021 | 31 Dec 2023 | New Zealander | 60 years |
| Norman Robert Oliver | Director | 28 Nov 2005 | 21 Dec 2007 | British | 74 years |
| Thomas Alexander Abraham | Director | 2 Jul 2024 | 31 May 2025 | British | 76 years |