| Adrian David Unitt | Director | 9 Oct 2006 | 23 May 2013 | British | 63 years |
| Adrian David Unitt | Director | 10 Dec 2002 | 23 Apr 2004 | British | 63 years |
| Adriano Maio | Director | 3 Nov 2016 | 16 Dec 2021 | British | 45 years |
| Alan John Avey | Director | 20 Dec 2013 | 3 Nov 2016 | British | 56 years |
| Alistair James Robertson | Director | 2 Jan 2001 | 30 Sept 2002 | British | 58 years |
| Alistair James Robertson | Secretary | 1 Feb 2001 | 30 Sept 2002 | British | - |
| Andrew David Herbert-read | Director | 16 Dec 2021 | 8 Mar 2024 | British | 38 years |
| Andrew Gavan Jinks | Director | 1 Nov 2001 | 22 Aug 2007 | British | 75 years |
| Andrew Thornton Brady | Director | 19 Jan 2007 | 30 Nov 2008 | British | 62 years |
| Anthony William Pidgley | Director | 1 Jul 1994 | 8 Jul 2005 | British | 79 years |
| Benjamin Michael O'rourke | Director | 20 Apr 2011 | 28 Sept 2012 | Australian | 53 years |
| Brian Richard Davies | Director | 1 Feb 1993 | 1 Jul 1994 | British | 72 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Christopher Barry Ford | Director | 13 Mar 2000 | 22 Jun 2000 | British | 62 years |
| Christopher Lavell | Director | 16 Dec 1996 | 9 Jun 1997 | British | 77 years |
| Claire Marianne Pettett | Director | 9 Jun 2014 | 3 Nov 2016 | British | 51 years |
| Claire Puttergill | Secretary | 28 May 1999 | 17 Oct 2003 | British | - |
| David Brookes | Director | 1 Nov 2001 | 21 May 2004 | British | 60 years |
| David John Walker | Director | 1 Nov 2001 | 26 Aug 2003 | British | 67 years |
| David Patrick Mcging | Director | 17 May 2007 | 14 May 2010 | British | 54 years |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 8 Jul 2005 | British | - |
| Euan James Cresswell | Director | 15 Apr 1997 | 31 Oct 2001 | British | 66 years |
| Frances Elizabeth Connop | Director | 22 Feb 2002 | 19 Mar 2004 | British | 52 years |
| Geoffrey Hutchinson | Director | 1 Nov 2001 | 31 Jul 2010 | British | 68 years |
| Georgina Jane Scott | Director | 20 Dec 2013 | 9 Jun 2014 | British | 51 years |
| Graham John Roper | Director | 6 Dec 1994 | 31 Jan 1999 | British | 80 years |
| Ian Mark Rick | Secretary | 31 Dec 1998 | 28 May 1999 | British | - |
| Ian William Thomas | Director | 1 May 1995 | 31 Dec 2001 | British | 62 years |
| Jane Cox | Director | 1 Jan 2008 | 30 Jun 2009 | British | 58 years |
| Jason Mark Collard | Director | 11 Dec 2001 | 7 Jan 2003 | British | 59 years |
| Jennifer Draper | Secretary | 3 Nov 2016 | 21 Dec 2016 | - | - |
| Joanne Marie Day | Director | 4 Aug 2004 | 30 Sept 2011 | British | 53 years |
| John David Clark | Director | 23 Apr 2018 | 16 Dec 2021 | British | 56 years |
| John Edwin Thomas Westlake | Director | 14 Jun 1999 | 31 Mar 2000 | British | 76 years |
| John Justin Brown | Director | 25 May 2005 | 30 Sept 2008 | British | 61 years |
| John Richard Jacobs | Director | 1 Feb 1993 | 1 Jul 1994 | British | 82 years |
| John William Tebbutt | Director | 13 Jan 2004 | 30 Sept 2005 | British | 56 years |
| Jonathan William Andrews | Director | 1 Nov 2001 | 16 Dec 2003 | British | 63 years |
| Julian Maitland Morris | Director | 5 Jul 1994 | 1 Feb 1995 | British | 65 years |
| Julian Maitland Morris | Secretary | 5 Jul 1994 | 1 Feb 1995 | British | - |
| Julian Morris | Director | 5 Jul 1994 | 19 Sept 1996 | British | 65 years |
| Julian Morris | Secretary | 5 Jul 1994 | 19 Sept 1996 | British | - |
| Justin Davies | Director | 30 Jan 2019 | 18 Feb 2021 | Australian | 50 years |
| Justine Samantha Elliott | Director | 15 May 2007 | 30 Jun 2010 | British | 51 years |
| Karen Lilian Anderson | Director | 10 Dec 2002 | 31 Oct 2006 | British | 65 years |
| Keith David Pepperdine | Director | 1 Nov 2001 | 19 May 2006 | British | 67 years |
| Kenneth Robert Mossman | Director | 26 Jun 2000 | 4 May 2007 | British | 69 years |
| Leslie Ronald Mandeville | Secretary | 26 Jun 2000 | 1 Feb 2001 | British | - |
| Mark Day | Director | 1 Feb 1993 | 1 Jul 1994 | British | 66 years |
| Mark Day | Secretary | 1 Feb 1993 | 1 Feb 1995 | British | - |
| Michele Hayes | Director | 24 Oct 2002 | 16 Dec 2003 | British | 68 years |
| Nigel Hawken | Director | 1 May 2001 | 1 Jul 2008 | British | 72 years |
| Pamela Jane Munro | Director | 19 Mar 2003 | 12 Aug 2004 | British | 56 years |
| Pamela Jane Munro | Secretary | 16 Dec 2003 | 12 Aug 2004 | British | - |
| Paul Matthew White | Director | 27 Nov 1996 | 31 Dec 1998 | British | 64 years |
| Paul Matthew White | Secretary | 19 Sept 1996 | 31 Dec 1998 | British | - |
| Peter Dominic Leonard | Director | 18 Feb 2021 | 31 Oct 2024 | British | 62 years |
| Peter Julian Hoskins | Director | 24 Oct 2002 | 21 Nov 2002 | British | 63 years |
| Peter Voase | Director | 1 Nov 2001 | 1 May 2002 | British | 78 years |
| Rebecca Jayne Seeley | Director | 3 Nov 2016 | 23 Apr 2018 | British | 46 years |
| Richard Andrew Coppell | Director | 28 Sept 2012 | 31 May 2013 | British | 59 years |
| Richard John Cook | Director | 23 May 2013 | 31 Jan 2019 | British | 55 years |
| Richard Jonathan Thomas | Director | 3 May 1994 | 8 Nov 1996 | British | 69 years |
| Richard Justin Starkey | Director | 1 Nov 2001 | 20 Apr 2011 | British | 65 years |
| Richard Mark Davies | Director | 1 Jun 1999 | 31 Mar 2000 | British | 61 years |
| Richard Mark Davies | Secretary | 14 Jun 1999 | 31 Mar 2000 | British | - |
| Robert David Stephens | Director | 7 Mar 1994 | 1 Feb 1995 | British | 79 years |
| Robert David Stephens | Director | 7 Mar 1994 | 13 Jan 1997 | British | 79 years |
| Robert Llewellyn Hudson | Director | 1 Feb 1993 | 1 Jul 1994 | British | 83 years |
| Roger St John Hulton Lewis | Director | 1 Jul 1994 | 1 Feb 1995 | British | 79 years |
| Simon Christopher Bridge | Director | 23 May 2006 | 19 Mar 2009 | British | 66 years |
| Stephen John Charles Williams | Director | 17 Sept 1997 | 31 Mar 2000 | British | 66 years |
| Stephen John Muttock | Director | 23 May 2006 | 19 Mar 2009 | British | 70 years |
| Steven John Baldwinson | Director | 15 Dec 1997 | 26 Nov 1998 | British | 70 years |
| Susan Jacquest | Director | 20 Dec 1996 | 7 May 1999 | British | 62 years |
| Thanalakshmi Janandran | Secretary | 8 Jul 2005 | 16 Aug 2013 | British | - |
| Timothy Mark Wait | Director | 13 Mar 2000 | 9 Mar 2001 | British | 58 years |