| Alan David Yuille | Secretary | 9 Dec 2016 | 6 Nov 2018 | - | - |
| Alan Edward Moore | Director | 15 Mar 2000 | 16 Apr 2003 | British | 89 years |
| Alexander Park Leitch | Director | 26 Mar 2007 | 29 Feb 2012 | British | 78 years |
| Alistair James Low | Director | 3 Mar 2000 | 16 Dec 2005 | British | 83 years |
| Andrea Margaret Blance | Director | 17 Jul 2015 | 9 Dec 2016 | British | 61 years |
| Andrew David Briggs | Director | 8 Jan 2007 | 31 Mar 2010 | British | 59 years |
| Andrew Mark Parsons | Director | 9 Nov 2012 | 1 Sept 2016 | British | 60 years |
| Andrew Michael Peck | Director | 27 Apr 2010 | 31 May 2013 | British | 76 years |
| Angela Ann Knight | Director | 15 Mar 2000 | 31 Oct 2006 | British | 75 years |
| Antonio Lorenzo | Director | 2 Mar 2016 | 9 Dec 2016 | Spanish | 59 years |
| Archibald Gerard Kane | Director | 1 Oct 2003 | 19 May 2011 | British | 73 years |
| Briony Helen Kezia Jones | Director | 1 Sept 1999 | 4 Jan 2000 | British | 66 years |
| Catriona Margaret Herd | Secretary | 25 Mar 2010 | 23 Apr 2014 | British | - |
| Catriona Margaret Herd | Secretary | 10 Feb 2000 | 26 Sept 2005 | British | - |
| Catriona Margaret Herd | Secretary | 1 Dec 2006 | 7 Mar 2007 | British | - |
| Charles Grant Thomson | Director | 4 Jan 2000 | 31 Dec 2000 | British | 77 years |
| Christian Roy Torkington | Director | 1 Aug 2005 | 26 Jun 2009 | British | 63 years |
| Christopher Martin Phillips | Director | 1 Dec 2003 | 30 Mar 2007 | British | 69 years |
| Christopher Michael Wiscarson | Director | 1 Jan 2004 | 24 Jul 2009 | British | 74 years |
| Christopher William Muir | Secretary | 7 Mar 2007 | 25 Mar 2010 | British | - |
| Combined Nominees Limited | Corporate Nominee Director | 1 Sept 1999 | 1 Sept 1999 | United Kingdom | - |
| Combined Secretarial Services Limited | Corporate Nominee Director | 1 Sept 1999 | 1 Sept 1999 | United Kingdom | - |
| Combined Secretarial Services Limited | Corporate Nominee Secretary | 1 Sept 1999 | 1 Sept 1999 | United Kingdom | - |
| Cornelis Antonius Carolus Maria Schrauwers | Director | 14 May 2012 | 18 Nov 2014 | Dutch | 78 years |
| Craig James Thornton | Director | 1 Jun 2013 | 7 Nov 2016 | British | 53 years |
| David James Stanley Oldfield | Director | 18 Jul 2014 | 30 Jun 2015 | British | 63 years |
| David James Walkden | Director | 1 Jan 2012 | 1 Jun 2013 | British | 67 years |
| David John Joyce | Director | 1 Sept 1999 | 4 Jan 2000 | British | 64 years |
| David Peter Pritchard | Director | 13 May 2003 | 31 May 2007 | British | 81 years |
| Dean Robert Buckley | Director | 7 Jan 2008 | 18 Feb 2009 | British | 65 years |
| Gavin John Norman Gemmell | Director | 15 Mar 2000 | 31 Dec 2007 | British | 84 years |
| Graham Roy Taylor | Director | 1 Sept 1999 | 4 Jan 2000 | British | 75 years |
| Gregor Ninian Stewart | Director | 15 Dec 2011 | 5 Oct 2012 | British | 61 years |
| Helen Suzanne Rodgers | Secretary | 1 Sept 1999 | 4 Jan 2000 | British | - |
| Iain Alexander Reid | Secretary | 4 Jan 2000 | 10 Feb 2000 | British | - |
| Ian David Thompson | Director | 4 Jan 2000 | 21 Oct 2003 | British | 71 years |
| James Mcconville | Director | 16 Oct 2000 | 31 Mar 2010 | British | 69 years |
| Jane Elizabeth Mary Curtis | Director | 11 Nov 2014 | 9 Dec 2016 | British | 65 years |
| Jeremy Goford | Director | 23 Nov 2007 | 13 Feb 2015 | British | 80 years |
| Joanne Margaret Jolly | Secretary | 23 Apr 2014 | 9 Dec 2016 | - | - |
| John Francis Hylands | Director | 19 Mar 2015 | 9 Dec 2016 | British | 74 years |
| Karin Alexandra Cook | Director | 19 Oct 2015 | 9 Dec 2016 | British | 59 years |
| Kerr Luscombe | Director | 6 Apr 2010 | 25 May 2011 | British | 60 years |
| Lawrence Mcallister Urquhart | Director | 15 Mar 2000 | 12 Mar 2002 | British | 90 years |
| Lord (norman Roy) Blackwell | Director | 1 Sept 2012 | 23 Jun 2014 | British | 73 years |
| Marie Isobel Ross | Secretary | 26 Sept 2005 | 30 Nov 2006 | British | - |
| Mark Andrew Fisher | Director | 19 Sept 2012 | 22 Apr 2014 | British | 65 years |
| Mark George Culmer | Director | 31 Oct 2012 | 9 Dec 2016 | British | 63 years |
| Michael Christophers | Director | 27 Apr 2010 | 9 Dec 2016 | British | 83 years |
| Michael David Ross | Director | 4 Jan 2000 | 30 Sept 2003 | British | 79 years |
| Michael Edward Fairey | Director | 15 Mar 2000 | 1 Nov 2003 | British | 77 years |
| Michael Harris | Director | 1 Sept 2016 | 9 Dec 2016 | British | 60 years |
| Nathan Victor Moss | Director | 19 Jun 2002 | 8 Jan 2007 | British | 70 years |
| Newton Scott | Director | 4 Jan 2000 | 30 Jun 2002 | British | 79 years |
| Nicholas Edward Tucker Prettejohn | Director | 23 Jun 2014 | 9 Dec 2016 | British | 65 years |
| Norval Mackenzie Bryson | Director | 21 Jul 2005 | 31 Jul 2015 | British | 76 years |
| Orie Leslie Dudley Jnr | Director | 4 Jan 2000 | 30 Sept 2000 | American | 81 years |
| Philip Duncan Loney | Director | 29 Oct 2008 | 27 Sept 2011 | British | 61 years |
| Richard Leslie Martin Wohanka | Director | 1 Jun 2013 | 9 Dec 2016 | British | 73 years |
| Robert Charles Carefull | Director | 1 Sept 1999 | 4 Jan 2000 | British | 80 years |
| Robert James Mackenzie Bulloch | Director | 1 Jan 2012 | 31 Dec 2012 | British | 64 years |
| Ronald James Whatford | Director | 21 Oct 2003 | 1 Aug 2005 | British | 77 years |
| Rosemary Harris | Director | 25 Aug 2011 | 29 Feb 2012 | British | 67 years |
| Toby Emil Strauss | Director | 17 Oct 2011 | 21 Oct 2015 | British | 66 years |
| Vimlesh Maru | Director | 18 Jun 2013 | 9 Dec 2016 | British | 53 years |
| William Hill Main | Director | 4 Jan 2000 | 30 Nov 2003 | Scottish | 82 years |