| Alexander Brian Cooper Short | Director | 23 Jan 2006 | 22 May 2008 | British | 59 years |
| Alexander Grant Gordon | Director | 30 Oct 1991 | 22 Apr 1996 | British | 95 years |
| Andrew Peter Hopkins | Director | 18 Nov 2013 | 31 Oct 2016 | British | 61 years |
| Andrew Stuart Mclean | Secretary | 14 May 2008 | 24 Jul 2009 | British | - |
| Bryan Traill Thomson | Director | 1 Mar 2012 | 11 Jun 2018 | British | 63 years |
| Catriona Ann Macritchie | Director | 17 May 2021 | 31 May 2024 | British | 60 years |
| Charles Grant Gordon | Director | 16 Apr 2003 | 26 May 2005 | British | 99 years |
| Charles Grant Gordon | Director | 30 Oct 1991 | 9 Mar 1993 | British | 99 years |
| Christopher George Greig | Director | 10 Mar 1994 | 16 Apr 2003 | British | 92 years |
| David Edmond Grant | Director | 30 Oct 1991 | 27 Apr 2000 | British | 87 years |
| Dermid Martin Strain | Director | 9 Sept 2011 | 30 Apr 2013 | British | 64 years |
| Donna Rita Malone | Director | 1 Sept 2022 | 1 Dec 2024 | British | 59 years |
| Eva Maria Bishop | Secretary | 24 Jul 2009 | 10 Nov 2009 | British | - |
| Ewan John Henderson | Director | 18 May 2005 | 26 May 2005 | British | 58 years |
| Francis Fitzralph Chamberlain | Director | 30 Oct 1991 | 11 May 2000 | British | 92 years |
| Gary Horsfield | Director | 15 Jun 2017 | 18 Nov 2019 | British | 55 years |
| George Daniel Tait | Director | 23 Jan 2006 | 2 May 2008 | British | 73 years |
| George Daniel Tait | Secretary | 27 Sept 1996 | 2 May 2008 | British | - |
| Gianluca Brozzetti | Director | 10 Aug 2001 | 26 May 2005 | Italian | 72 years |
| Giles Robert Bryant Wilson | Director | 4 Sept 2020 | 10 May 2024 | British | 53 years |
| Gordon Norman Alan Dron | Director | 1 Sept 2007 | 31 Jul 2013 | British | 66 years |
| Grant Edward Gordon | Director | 30 Oct 1991 | 16 Apr 2003 | British | 70 years |
| Grant Glenn Gordon | Director | 30 Oct 1991 | 29 Apr 2004 | British | 69 years |
| Gregory Justin Bargeton | Director | 12 Dec 2019 | 30 Sept 2020 | British | 53 years |
| Helen Gaye Cowing | Director | 13 May 2019 | 20 Nov 2019 | British | 60 years |
| Isabelle Meyer-barchechath | Director | 31 May 2024 | 8 Nov 2024 | Swiss | 56 years |
| James Allan Denholm | Director | 30 Oct 1991 | 23 Dec 1992 | British | 90 years |
| James Allan Denholm | Secretary | 30 Oct 1991 | 27 Sept 1996 | British | - |
| James Graham Beveridge | Director | 30 Oct 1991 | 31 Jan 1993 | British | 89 years |
| James Joseph Doherty | Director | 1 Sept 2007 | 19 Nov 2010 | British | 59 years |
| Javier Ferran | Director | 1 Apr 2005 | 26 May 2005 | Spanish | 70 years |
| John Ricson Broadbridge | Director | 17 Sept 2015 | 16 Apr 2021 | British | 69 years |
| Jonathan Mark Yusen | Director | 13 Apr 2015 | 30 Sept 2022 | American | 56 years |
| Kerry Lee Christie | Director | 1 Jul 2019 | 31 Aug 2022 | British | 59 years |
| Kevin Fong | Director | 1 Sept 2007 | 30 Sept 2011 | Taiwanese | 61 years |
| Maurice Gerard Doyle | Director | 10 Aug 2009 | 1 Aug 2014 | Irish | 60 years |
| Md Secretaries Limited | Corporate Nominee Director | 30 Oct 1991 | 30 Oct 1991 | United Kingdom | - |
| Md Secretaries Limited | Corporate Nominee Secretary | 13 May 1991 | 30 Oct 1991 | United Kingdom | - |
| Michael Lamont | Director | 15 Apr 2013 | 1 Sept 2019 | British | 66 years |
| Michael Lamont | Director | 20 Nov 2019 | 4 Sept 2020 | British | 66 years |
| Patrick Marie Charles Thomas | Director | 24 Feb 1994 | 16 Apr 2003 | French | 79 years |
| Philip Andrew Gladman | Director | 21 Sept 2015 | 31 Jan 2022 | British | 56 years |
| Pierre Jacquesson | Director | 26 Apr 2001 | 16 Apr 2003 | French | 80 years |
| Rita Maria Greenwood | Director | 1 Sept 2017 | 26 Jan 2022 | British | 58 years |
| Robert Brannan | Director | 25 Apr 2003 | 28 Feb 2005 | British | 70 years |
| Roland Van Bommel | Director | 1 Nov 2004 | 18 Sept 2009 | British | 75 years |
| Rosemary Anne Mcginness | Director | 23 Jan 2006 | 30 Jul 2017 | British | 63 years |
| Sarah Isobel Woof | Director | 22 Apr 1996 | 28 Aug 2003 | British | 65 years |
| Simon John Hunt | Director | 15 Oct 2007 | 30 Nov 2020 | British | 55 years |
| Simon Peter Macdonald | Director | 23 Jan 2006 | 29 Sept 2006 | British | 66 years |
| Soren Hagh | Director | 1 Jan 2024 | 31 Oct 2025 | Danish | 52 years |
| Stella Julie David | Director | 10 Dec 2009 | 29 Feb 2016 | British | 64 years |
| Steven Paul Sturgeon | Director | 23 Jan 2006 | 31 Mar 2009 | British | 70 years |
| Veronica Lesley Jackson | Director | 4 Aug 2008 | 25 Feb 2011 | British | 62 years |
| Victor Eulogio Jerez | Director | 15 Jun 2017 | 1 Aug 2018 | British | 61 years |
| Vincent Georges Francois Gillet | Director | 1 Dec 2022 | 31 May 2024 | French | 55 years |
| William Burnfield White | Director | 23 Jan 2006 | 16 May 2014 | British | 65 years |
| William Duncan Gordon Grant | Director | 30 Oct 1991 | 23 Dec 1992 | British | 124 years |