| Alan David Yuille | Secretary | 8 Feb 2013 | 15 Nov 2018 | - | - |
| Alan Ford Kirkwood | Director | 12 Sept 2006 | 23 Mar 2009 | British | 62 years |
| Alasdair Bruce Lenman | Director | 15 May 2009 | 31 Mar 2010 | British | 56 years |
| Alex Harrison | Director | 1 Mar 2005 | 30 Jun 2007 | British | 59 years |
| Andrew David Briggs | Director | 20 Apr 2010 | 20 May 2011 | British | 59 years |
| Andrew Mark Parsons | Director | 9 Nov 2012 | 17 Mar 2015 | British | 60 years |
| Archibald Gerard Kane | Director | 4 Mar 2009 | 20 May 2011 | British | 73 years |
| Charles Dixon Haygarth | Director | 9 Mar 1993 | 30 Jan 1995 | British | 67 years |
| Christopher Anthony Ham | Director | 15 May 2009 | 30 Apr 2010 | British | 69 years |
| Craig James Thornton | Director | 11 Jun 2013 | 15 Feb 2024 | British | 53 years |
| David Antony John Stoddard | Director | 15 May 2009 | 30 Jun 2010 | British | 52 years |
| David Henry Rutley | Director | 10 Nov 2005 | 30 Jun 2007 | British | 64 years |
| David Spencer Boyle | Director | 1 Oct 2003 | 5 Aug 2005 | British | 83 years |
| Donald James Mcpherson | Director | 30 Jan 1995 | 17 Apr 1996 | British | 64 years |
| Donald James Mcpherson | Secretary | 27 Oct 2000 | 19 Jul 2001 | British | - |
| Duncan George Robin Ferguson | Director | 28 Sept 2005 | 31 Dec 2007 | British | 83 years |
| Graeme John Donaldson | Secretary | 6 Oct 2022 | 29 Jul 2024 | - | - |
| Gregor Ninian Stewart | Director | 28 Feb 2012 | 5 Oct 2012 | British | 61 years |
| Grenville John Folwell | Director | 17 Apr 1996 | 22 Jan 1997 | British | 82 years |
| Howard Michael Posner | Director | 17 Apr 1996 | 14 Jul 2005 | British | 69 years |
| Ian Charles Robert Stuart | Director | 24 Jan 2008 | 31 Dec 2011 | Irish | 77 years |
| Ian Spencer Black | Director | 26 Nov 2001 | 12 Feb 2004 | British | 67 years |
| Instant Companies Limited | Corporate Nominee Director | 19 Feb 1993 | 9 Mar 1993 | United Kingdom | - |
| Jacqueline Leiper | Director | 9 Feb 2015 | 14 Mar 2019 | British | 53 years |
| James Christopher Steuart Hillman | Director | 20 Jul 2018 | 3 Dec 2019 | British | 56 years |
| James Robert Crosby | Director | 22 Jan 1997 | 31 Dec 1998 | British | 69 years |
| Jayne Michelle Meacham | Secretary | 31 Mar 2010 | 2 Feb 2011 | - | - |
| Jeremy Andrew White | Director | 1 Jul 2002 | 1 Oct 2003 | British | 65 years |
| Joanne Dawson | Director | 1 Mar 2006 | 23 Mar 2009 | British | 63 years |
| John Giles Blundell | Director | 26 Nov 2001 | 28 Sept 2005 | British | 62 years |
| John Mark Phythian | Director | 27 Nov 2020 | 23 Sept 2022 | British | 45 years |
| John Michael Butler | Secretary | 1 Mar 2003 | 9 Sept 2003 | British | - |
| John Morris | Director | 17 Apr 1996 | 22 Jan 1997 | British | 69 years |
| John Neil Maclean | Director | 1 Oct 2003 | 21 Apr 2005 | British | 81 years |
| John Spellman | Director | 10 Nov 2005 | 8 Sept 2006 | British | 59 years |
| John Stephen Edwards | Director | 6 Oct 2005 | 1 Mar 2006 | British | 70 years |
| Karen Joanne Mckay | Secretary | 24 Mar 2022 | 6 Oct 2022 | - | - |
| Kathleen Anne Nealon | Director | 28 Sept 2005 | 31 Dec 2007 | American | 72 years |
| Kevin Philip Cracknell | Director | 24 Oct 2011 | 31 Jul 2012 | British | 60 years |
| Lindsay Karen Forster | Director | 15 May 2009 | 31 Dec 2011 | British | 51 years |
| Malachy Paul Smith | Director | 1 Oct 2003 | 31 Dec 2007 | Irish | 77 years |
| Martin Kenneth Staples | Director | 14 Mar 2019 | 31 Dec 2022 | British | 52 years |
| Matthew Sebastian Lodge | Director | 9 Mar 1993 | 17 Apr 1996 | British | 65 years |
| Matthew Sebastian Lodge | Secretary | 9 Mar 1993 | 17 Apr 1996 | British | - |
| Michael Canniffe | Director | 15 May 2009 | 31 Dec 2011 | British | 62 years |
| Michael Christophers | Director | 1 Oct 2003 | 31 Dec 2011 | British | 83 years |
| Michael Henry Ellis | Director | 1 Jan 1999 | 1 Dec 1999 | British | 74 years |
| Michael Ian Warren | Director | 1 Oct 2003 | 29 Sept 2006 | British | 61 years |
| Natalie Clarice Gracey | Secretary | 23 Nov 2018 | 24 Mar 2022 | - | - |
| Paula Watts | Secretary | 20 May 2011 | 14 Jul 2011 | - | - |
| Peter John Veale | Secretary | 9 Sept 2003 | 23 Mar 2009 | British | - |
| Phil Andrew Hodkinson | Director | 26 Nov 2001 | 14 Jul 2005 | British | 67 years |
| Philip Duncan Loney | Director | 4 Mar 2009 | 31 Mar 2010 | British | 61 years |
| Richard Labassee Beaven | Director | 2 Feb 2011 | 25 Sept 2014 | English | 64 years |
| Richard Spelman | Director | 17 Apr 1996 | 10 Jan 2002 | British | 79 years |
| Robert Alan Devey | Director | 18 Oct 2005 | 1 Jun 2006 | British | 57 years |
| Robert Alan Devey | Director | 10 Oct 2006 | 30 Jun 2007 | British | 57 years |
| Robert James Mackenzie Bulloch | Director | 20 May 2011 | 31 Dec 2012 | British | 64 years |
| Robert Keith Moorhouse | Secretary | 26 Nov 2001 | 1 Mar 2003 | British | - |
| Rosemary Harris | Director | 20 May 2011 | 29 Feb 2012 | British | 67 years |
| Rudi Annie Maurice Van Delm | Director | 18 May 2009 | 14 Oct 2011 | Belgian | 61 years |
| Sally Mayer | Secretary | 23 Mar 2009 | 31 Mar 2010 | Other | - |
| Sally Mayer | Secretary | 2 Feb 2011 | 20 May 2011 | - | - |
| Sally Mayer | Secretary | 14 Jul 2011 | 8 Feb 2013 | - | - |
| Sally Mayer | Secretary | 19 Jul 2001 | 26 Nov 2001 | British | - |
| Sean Carl Quinn | Director | 9 Dec 2019 | 3 May 2023 | British | 52 years |
| Simon John Rosbrook | Secretary | 1 Mar 1997 | 30 Sept 1999 | British | - |
| Simon Nicholas Waite | Secretary | 17 Apr 1996 | 13 Mar 1997 | British | - |
| Simon Nicholas Waite | Secretary | 1 Oct 1999 | 20 Oct 2000 | British | - |
| Simon Stevens | Director | 26 Nov 2001 | 28 Sept 2005 | British | 66 years |
| Stephen James Hughes | Director | 15 May 2009 | 11 Oct 2011 | British | 53 years |
| Steven James Colsell | Director | 17 Aug 2006 | 23 Mar 2009 | British | 61 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 19 Feb 1993 | 9 Mar 1993 | United Kingdom | - |
| Thomas David Shewry | Director | 23 Sept 2014 | 20 Dec 2017 | British | 51 years |
| Thomas Woolgrove | Director | 1 Jun 2006 | 23 Mar 2009 | British | 55 years |
| Toby Emil Strauss | Director | 8 Feb 2013 | 1 Jul 2013 | British | 66 years |
| Victoria Flenk | Director | 3 May 2023 | 7 Jun 2024 | British | 41 years |
| William Anthony Beadle | Director | 22 Jan 1997 | 10 Jan 2002 | British | 76 years |
| William Anthony Beadle | Director | 30 Nov 2005 | 17 Aug 2006 | British | 76 years |