| Andrew Tweedie | Director | 30 Sept 2013 | 20 Dec 2013 | British | 50 years |
| Charles Adair Anderson | Secretary | 26 Jan 1996 | 22 Dec 1998 | British | - |
| David James Mackay | Director | 26 Jan 1996 | 22 Dec 1998 | British | 83 years |
| Frederick Ranald Noel-paton | Director | 26 Jan 1996 | 7 Nov 1998 | British | 88 years |
| Giles Robert Bryant Wilson | Director | 20 May 2016 | 4 Sept 2018 | British | 53 years |
| J M Nominees Limited | Corporate Director | 22 Dec 1998 | 1 Jul 2008 | United Kingdom | - |
| J M Secretaries Limited | Corporate Director | 22 Dec 1998 | 1 Jul 2008 | United Kingdom | - |
| J M Secretaries Limited | Corporate Secretary | 22 Dec 1998 | 1 Jul 2008 | United Kingdom | - |
| James Douglas Scott Bennett | Director | 26 Jan 1996 | 22 Dec 1998 | British | 84 years |
| James Duncan Waddell | Director | 24 Aug 1989 | 26 Jan 1996 | British | 73 years |
| James Duncan Waddell | Secretary | 24 Aug 1989 | 26 Jan 1996 | British | - |
| James Waddell | Director | 24 Aug 1989 | 26 Jan 1996 | British | 102 years |
| John Francis Alexander Geddes | Director | 1 Jul 2008 | 4 Sept 2018 | British | 58 years |
| John Francis Alexander Geddes | Secretary | 1 Jul 2008 | 4 Sept 2018 | British | - |
| Michael John Ennis | Director | 1 Jul 2008 | 30 Sept 2013 | British | 67 years |
| Paul Bernard Dollman | Director | 1 Jul 2008 | 17 May 2013 | British | 70 years |
| Paula Bell | Director | 20 Dec 2013 | 20 May 2016 | British | 59 years |
| Thomas Morgan Waddell | Director | 24 Aug 1989 | 26 Jan 1996 | British | 73 years |
