| Aileen Norma Taylor | Director | 1 Aug 2007 | 8 Sept 2010 | British | 53 years |
| Alan Ewing Mills | Director | 13 Jun 2002 | 11 Dec 2012 | British | 68 years |
| Alan Ewing Mills | Secretary | 27 Sept 1991 | 29 Jul 1994 | British | - |
| Alan Wallace Mckean | Director | 27 Sept 1991 | 20 Jun 2008 | British | 71 years |
| Andrew James Nicholson | Director | 22 Aug 2011 | 31 May 2018 | British | 51 years |
| Barbara Charlotte Wallace | Director | 8 Sept 2010 | 22 Aug 2011 | British | 54 years |
| Charles Milne Winter | Director | 7 Dec 1988 | 12 Mar 1990 | British | 92 years |
| Christine Anne Russell | Secretary | 22 Aug 2011 | 27 Jul 2012 | - | - |
| Deborah Susan Esslemont | Secretary | 19 Dec 2000 | 2 Aug 2006 | British | - |
| Gary Moore | Director | 1 Jun 2018 | 26 Jun 2019 | British | 48 years |
| Gary Moore | Director | 30 Aug 2023 | 1 May 2025 | British | 48 years |
| Gary Robert Mcneilly Stewart | Director | 8 Sept 2010 | 11 Dec 2012 | British | 59 years |
| Gillian Cain | Director | 28 Mar 2023 | 12 Nov 2024 | British | 55 years |
| Henry Edward Farley | Director | 7 Dec 1988 | 12 Mar 1990 | British | 95 years |
| Hew Campbell | Director | 5 Sept 1994 | 1 Aug 2007 | British | 63 years |
| James Snodgrass Lindsay | Director | 7 Dec 1988 | 12 Mar 1990 | British | 73 years |
| James Snodgrass Lindsay | Secretary | 7 Dec 1988 | 12 Mar 1990 | British | - |
| Kennedy Campbell Foster | Director | 12 Mar 1990 | 5 Sept 1994 | British | 75 years |
| Kristofer Jon Davies | Director | 26 Jun 2019 | 6 Aug 2021 | British | 44 years |
| Miller Roy Mclean | Director | 7 Dec 1988 | 13 Jun 2002 | British | 76 years |
| Neil Clark Macarthur | Director | 20 Jun 2008 | 8 Sept 2010 | British | 58 years |
| Rbs Secretarial Services Limited | Corporate Secretary | 27 Jul 2012 | 26 Jun 2019 | United Kingdom | - |
| Robert Mitchell Maiden | Director | 7 Dec 1988 | 21 Mar 1991 | British | 92 years |
| Sally Jane Sutherland | Director | 11 Dec 2012 | 26 Jun 2019 | British | 58 years |
| Scott Gibson | Director | 26 Jun 2019 | 25 Aug 2023 | British | 45 years |
| Shirley Margaret Macgillivray | Secretary | 29 Jul 1994 | 19 Dec 2000 | British | - |
| Thomas Vance Morrison | Director | 12 Mar 1990 | 27 Sept 1991 | British | 71 years |
| Thomas Vance Morrison | Secretary | 12 Mar 1990 | 27 Sept 1991 | British | - |
| Victoria Burr | Director | 6 Aug 2021 | 12 Nov 2024 | British | 38 years |
| Yvonne Wood | Secretary | 2 Aug 2006 | 22 Aug 2011 | British | - |