| Alan Duke Brown | Director | 25 Oct 2007 | 30 Apr 2018 | British | 65 years |
| Alan Wood Downie | Director | 25 Oct 2007 | 21 Dec 2009 | British | 75 years |
| Anthony Michael Fry | Director | 1 Oct 2010 | 31 Oct 2015 | British | 70 years |
| Aubrey Mark Collins | Director | 20 Mar 2014 | 24 Nov 2015 | British | 69 years |
| D.w. Company Services Limited | Corporate Secretary | 26 Jun 2007 | 24 Oct 2007 | United Kingdom | - |
| D.w. Director 1 Limited | Corporate Director | 26 Jun 2007 | 24 Oct 2007 | United Kingdom | - |
| Geoffrey Arthur Ball | Director | 25 Oct 2007 | 21 Dec 2009 | British | 82 years |
| Gerry Campbell More | Director | 25 Oct 2007 | 21 Dec 2009 | British | 64 years |
| Jasan Fitzpatrick | Secretary | 15 Jan 2018 | 9 Jan 2019 | - | - |
| Jennifer Wylie | Secretary | 9 Jan 2019 | 1 Jan 2023 | - | - |
| John Graham Gunn Reid | Director | 24 Oct 2007 | 31 Oct 2018 | British | 61 years |
| John Pitkeathly Percy | Director | 25 Oct 2007 | 31 Mar 2012 | British | 83 years |
| Manjit Wolstenholme | Director | 1 Nov 2015 | 23 Nov 2017 | British | 61 years |
| Michael John Freshney | Director | 25 Oct 2007 | 18 Mar 2013 | British | 82 years |
| Michael Ronald John Pacitti | Director | 24 Jan 2012 | 18 Mar 2013 | British | 66 years |
| Moira Ramsay Sibbald | Secretary | 24 Oct 2007 | 24 Jul 2017 | Scottish | - |
| Neil John Stoddart | Director | 30 Apr 2018 | 1 Sept 2025 | British | 56 years |
| Pinsent Masons Secretarial Limited | Corporate Secretary | 25 Jul 2017 | 5 Feb 2018 | United Kingdom | - |
| Richard Guy Thomas Stenhouse | Director | 25 Oct 2007 | 21 Dec 2009 | British | 64 years |
| Robert James Millar | Director | 25 Oct 2007 | 18 Mar 2013 | British | 72 years |
| Robert John Westwater Dick | Director | 25 Oct 2007 | 3 Dec 2008 | British | 70 years |
