| Andrew Bruce | Director | 22 Mar 2006 | 22 Dec 2016 | British | 68 years |
| Andy William James | Director | 10 Nov 2010 | 22 Dec 2014 | British | 50 years |
| Blackwood Partners Llp | Corporate Secretary | 18 Dec 2015 | 6 Dec 2016 | - | - |
| D.w. Company Services Limited | Corporate Secretary | 30 Jan 2017 | 25 Oct 2019 | United Kingdom | - |
| Gordon Davidson | Secretary | 11 Oct 2011 | 30 Nov 2015 | - | - |
| Gordon Davidson | Director | 11 Oct 2011 | 22 Dec 2014 | British | 56 years |
| Ledge Services Limited | Corporate Nominee Director | 14 Oct 2005 | 10 Nov 2005 | United Kingdom | - |
| Ledingham Chalmers | Corporate Nominee Secretary | 14 Oct 2005 | 31 Mar 2006 | - | - |
| Mark Ritchie | Director | 8 Dec 2016 | 23 Nov 2018 | British | 47 years |
| Md Secretaries Limited | Corporate Nominee Secretary | 1 Apr 2006 | 11 Oct 2011 | United Kingdom | - |
| Robert Gordon Forbes | Director | 10 Nov 2005 | 23 Dec 2014 | British | 67 years |
| William John Bayliss | Director | 8 Dec 2016 | 9 Dec 2019 | British | 64 years |
| William Johnston Munro | Director | 22 Dec 2014 | 22 Dec 2016 | British | 71 years |