| Adam Seale | Director | 27 Oct 2008 | 30 Apr 2009 | English | 66 years |
| Alan Robert Brindley | Director | 3 Dec 2012 | 31 Jan 2014 | British | 59 years |
| Alan Ronald Cook | Director | 4 Jul 2011 | 31 Dec 2016 | British | 73 years |
| Alasdair Bruce Lenman | Director | 2 Jul 2009 | 7 Sept 2012 | British | 57 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 12 Nov 1996 | 6 Dec 1996 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 12 Nov 1996 | 6 Dec 1996 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 12 Nov 1996 | 6 Dec 1996 | - | - |
| Andrew Hedley Hornby | Director | 22 Nov 2001 | 4 May 2006 | British | 59 years |
| Andrew Warwick Simmonds | Director | 31 Jan 2014 | 29 Jun 2018 | British | 70 years |
| Angela Susan Risley | Director | 8 Jan 2016 | 31 Jan 2020 | British | 68 years |
| Anthony John Hobson | Director | 24 Jun 2002 | 18 Sept 2006 | British | 79 years |
| Bernard Higgins | Director | 2 May 2006 | 10 Aug 2007 | British | 66 years |
| Bill Williams | Director | 2 Sept 1999 | 3 Feb 2000 | British | 78 years |
| Clodagh Moriarty | Director | 30 Jan 2020 | 15 May 2023 | Irish | 47 years |
| Daniel John Watkins | Director | 10 Aug 2007 | 20 Mar 2009 | British | 64 years |
| Daniel Rodger Mcarthur | Director | 17 Jan 1997 | 11 Jan 2000 | British | 77 years |
| Darren Mark Shapland | Director | 17 Jul 2006 | 28 Feb 2013 | British | 60 years |
| David Charles Nicholson | Director | 1 Jun 2010 | 2 Mar 2012 | British | 62 years |
| David Fisher | Director | 1 Jan 2010 | 2 Mar 2012 | British | 68 years |
| David Gerald Scholey | Director | 16 Jan 1997 | 1 Feb 2000 | Swiss | 91 years |
| David John Sainsbury Of Turville | Director | 16 Jan 1997 | 30 Jul 1998 | British | 86 years |
| David Jones | Director | 15 Aug 2016 | 28 Nov 2019 | British | 52 years |
| David Murray Bremner | Director | 30 Jul 1998 | 9 Mar 2000 | British | 69 years |
| David Thomas Arden | Director | 5 Apr 2012 | 19 Nov 2012 | British | 57 years |
| David Thomas Arden | Director | 6 Nov 2013 | 18 Mar 2018 | British | 57 years |
| David Thomas Arden | Secretary | 6 Nov 2013 | 18 Mar 2018 | British | - |
| Derek Harry Bottom | Director | 29 Mar 2001 | 20 May 2005 | British | 66 years |
| Dino Baia Adriano | Director | 6 Dec 1996 | 15 May 2000 | United Kingdom | 83 years |
| Donald Hamish Macleod Mcnaughton | Secretary | 29 Mar 2018 | 1 Mar 2024 | - | - |
| Gavin George Masterton | Director | 15 Apr 1997 | 15 Jun 2001 | British | 85 years |
| George Edward Mitchell | Director | 6 Dec 1996 | 22 Nov 2001 | British | 76 years |
| Graeme Campbell Forrester | Director | 9 Jan 2017 | 28 Nov 2019 | British | 62 years |
| Grenville Turner | Director | 28 Jan 2005 | 23 Mar 2006 | British | 69 years |
| Gwyn Burr | Director | 18 Sept 2006 | 31 Jan 2020 | British | 63 years |
| Hamish Wilson Taylor | Director | 11 Jan 2000 | 31 Jan 2002 | British | 66 years |
| Hannah Kate Bernard | Director | 1 Aug 2007 | 6 Nov 2013 | British | 52 years |
| Hannah Kate Bernard | Secretary | 1 Aug 2007 | 6 Nov 2013 | British | - |
| Ian David Farquharson | Director | 6 Dec 1996 | 15 Apr 1997 | British | 89 years |
| Ian David Farquharson | Secretary | 6 Dec 1996 | 16 Jan 1997 | British | - |
| Ian Malcolm Fox | Director | 26 Apr 2010 | 31 Jan 2014 | British | 64 years |
| Imelda Walsh | Director | 23 Feb 2007 | 28 Jul 2010 | British | 62 years |
| James Alexander Brown | Director | 27 Aug 2019 | 31 Mar 2024 | New Zealander | 66 years |
| James Jeffrey Kinloch | Director | 21 Mar 2006 | 1 Aug 2007 | British | 64 years |
| James Jeffrey Kinloch | Secretary | 22 Jun 2000 | 1 Aug 2007 | British | - |
| Jeremy Peter Jackson | Director | 18 Sept 2006 | 18 Mar 2010 | British | 51 years |
| John Cullen | Director | 2 Sept 1999 | 29 Mar 2001 | British | 72 years |
| John Galloway | Director | 1 Apr 2011 | 7 Aug 2013 | British | 56 years |
| John Terence Rogers | Director | 28 Oct 2010 | 31 Oct 2019 | British | 58 years |
| Justin Matthew King | Director | 6 Oct 2004 | 23 Feb 2007 | British | 65 years |
| Kathryn Elizabeth Swann | Director | 3 Feb 2000 | 18 Dec 2000 | British | 62 years |
| Kevin Mccarten | Director | 6 Dec 1996 | 9 Mar 2000 | British | 69 years |
| Laurence John Edwards | Secretary | 17 Jan 1997 | 22 Jun 2000 | British | - |
| Lesley Mary Samuel Knox | Director | 16 Jan 1997 | 22 Nov 2001 | British | 73 years |
| Marcia Dominic Campbell | Director | 23 Sept 2013 | 27 Sept 2019 | British | 67 years |
| Mark Frederick Mullington | Director | 20 Aug 2013 | 31 Dec 2016 | Australian | 66 years |
| Michael Alexander Nunes Ross | Director | 24 Jun 2015 | 26 Jun 2024 | British | 57 years |
| Neil Charles Chandler | Director | 1 May 2008 | 15 Dec 2009 | British | 55 years |
| Peter Alexander Burt | Director | 6 Dec 1996 | 31 Jan 2002 | British | 82 years |
| Peter Gibbs Birch | Director | 20 Mar 2002 | 18 Sept 2006 | British | 89 years |
| Peter John Davis | Director | 15 May 2000 | 31 Jan 2002 | British | 85 years |
| Peter Lawrence Clarke | Director | 22 Feb 2018 | 31 Aug 2022 | British | 67 years |
| Peter Lloyd Griffiths | Director | 19 Nov 2012 | 27 Aug 2019 | British | 68 years |
| Peter Thompson | Director | 25 May 2006 | 7 Sept 2007 | British | 56 years |
| Phil Andrew Hodkinson | Director | 22 Nov 2001 | 12 Jul 2005 | British | 68 years |
| Philip Robert Grant | Director | 17 Dec 2007 | 14 Apr 2008 | British | 60 years |
| Richard Andrew Chadwick | Director | 6 Dec 1996 | 2 Sept 1999 | British | 75 years |
| Richard John Keys | Director | 4 Jul 2011 | 30 Jun 2017 | British | 75 years |
| Robert James Mee | Director | 2 Sept 1999 | 22 Nov 2001 | British | 75 years |
| Robert Michael Walker | Director | 2 May 2006 | 1 May 2008 | British | 73 years |
| Robin Peter Whitbread | Director | 15 May 2000 | 15 Oct 2001 | British | 75 years |
| Roger John Matthews | Director | 3 Feb 2000 | 18 Sept 2006 | British | 72 years |
| Roger William John Davis | Director | 7 May 2013 | 29 Jan 2021 | British | 70 years |
| Sara Vivienne Weller | Director | 15 May 2000 | 5 May 2004 | British | 65 years |
| Sarah Warby | Director | 14 Mar 2014 | 26 Nov 2015 | British | 55 years |
| Stephen Keith James Nelson | Director | 28 Jan 2005 | 11 Jul 2005 | British | 63 years |
| Steve Burke | Director | 31 Jan 2014 | 3 Oct 2014 | British | 59 years |
| Stuart John Deane | Director | 11 Mar 2015 | 28 Sept 2016 | British | 61 years |
| Timothy Simon Devereux Pile | Director | 31 Jan 2002 | 21 Mar 2006 | British | 73 years |
| William Lindsay Mackay | Director | 2 Jul 2009 | 18 Mar 2010 | British | 64 years |