| Adrian David Unitt | Director | 20 Jun 2007 | 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 | 23 Nov 2001 | 30 Sept 2002 | British | 58 years |
| Andrew David Herbert-read | Director | 16 Dec 2021 | 8 Mar 2024 | British | 38 years |
| Andrew Gavan Jinks | Director | 7 Mar 1994 | 22 Aug 2007 | British | 75 years |
| Andrew Thornton Brady | Director | 19 Jan 2007 | 30 Nov 2008 | British | 62 years |
| Anthony Edward Coard | Director | 1 Feb 1993 | 15 Sept 1994 | British | 69 years |
| Anthony William Pidgley | Director | 8 Dec 1993 | 8 Jul 2005 | British | 79 years |
| Barry Robert Blackman | Director | 1 Nov 1995 | 4 Feb 1998 | British | 75 years |
| Benjamin Michael O'rourke | Director | 20 Apr 2011 | 28 Sept 2012 | Australian | 53 years |
| Brian Richard Davies | Secretary | 1 Feb 1993 | 1 Jul 1994 | British | - |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Claire Booth | Secretary | 26 Jul 1997 | 19 Jan 1998 | British | - |
| Claire Marianne Pettett | Director | 9 Jun 2014 | 3 Nov 2016 | British | 51 years |
| David Anthony Hugill | Director | 1 Feb 1993 | 3 Dec 1993 | British | 89 years |
| David Brookes | Director | 19 Jan 1998 | 21 May 2004 | British | 60 years |
| David Brookes | Secretary | 19 Jan 1998 | 21 May 2004 | British | - |
| David John Walker | Director | 2 Nov 1998 | 26 Aug 2003 | British | 67 years |
| David Richard Hooper | Director | 27 Feb 1995 | 25 Jul 1997 | British | 66 years |
| David Richard Hooper | Secretary | 27 Feb 1995 | 25 Jul 1997 | British | - |
| David William Jackson | Director | 6 Jun 1994 | 10 Sept 1998 | British | 82 years |
| Eamonn Mcinerney | Director | 18 Jan 2002 | 1 Sept 2003 | British | 60 years |
| Elizabeth Taylor | Secretary | 1 Feb 2004 | 8 Jul 2005 | British | - |
| Frances Elizabeth Connop | Director | 22 Feb 2002 | 19 Mar 2004 | British | 52 years |
| Geoffrey Hutchinson | Director | 1 Feb 1994 | 31 Jul 2010 | British | 68 years |
| Georgina Jane Scott | Director | 20 Dec 2013 | 9 Jun 2014 | British | 51 years |
| Harry Mervyn James Marcouse Harris | Director | 4 Feb 1998 | 16 Dec 2003 | British | 69 years |
| Jane Cox | Director | 1 Jan 2008 | 30 Jun 2009 | British | 58 years |
| Jennifer Draper | Secretary | 3 Nov 2016 | 21 Dec 2016 | - | - |
| Joanne Marie Day | Director | 4 Aug 2004 | 30 Sept 2011 | British | 53 years |
| John Christopher Scott | Director | 1 Aug 1998 | 30 Apr 2004 | British | 66 years |
| John David Clark | Director | 23 Apr 2018 | 16 Dec 2021 | British | 56 years |
| John Justin Brown | Director | 1 May 2001 | 30 Sept 2008 | British | 61 years |
| John Richard Jacobs | Director | 1 Feb 1993 | 1 Jul 1994 | British | 82 years |
| John Robert Stanton | Director | 7 Nov 1997 | 18 Dec 1998 | British | 78 years |
| John William Tebbutt | Director | 13 Jan 2004 | 30 Sept 2005 | British | 56 years |
| Jonathan William Andrews | Director | 23 Nov 2001 | 16 Dec 2003 | British | 63 years |
| Justin Davies | Director | 30 Jan 2019 | 18 Feb 2021 | Australian | 50 years |
| Karen Lilian Anderson | Director | 10 Dec 2002 | 31 Oct 2006 | British | 65 years |
| Keith David Pepperdine | Director | 9 May 1995 | 10 Oct 2000 | British | 67 years |
| Keith David Pepperdine | Director | 23 Nov 2001 | 19 May 2006 | British | 67 years |
| Kenneth Robert Mossman | Director | 23 Nov 2001 | 4 May 2007 | British | 69 years |
| Nicholas Frank Carter | Director | 10 Oct 2000 | 30 Sept 2002 | British | 64 years |
| Nicholas Robert Misselke | Director | 20 Mar 2000 | 14 May 2001 | British | 64 years |
| Nigel Hawken | Director | 23 Nov 2001 | 1 Jul 2008 | British | 72 years |
| Pamela Jane Munro | Director | 19 Mar 2003 | 12 Aug 2004 | British | 56 years |
| Peter Dominic Leonard | Director | 18 Feb 2021 | 31 Oct 2024 | British | 62 years |
| Peter John Francis | Director | 1 Feb 1993 | 1 Jul 1994 | British | 73 years |
| Peter Voase | Director | 1 May 1998 | 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 Justin Starkey | Director | 15 Oct 1997 | 20 Apr 2011 | British | 65 years |
| Robert Horace Sydney Hawley | Secretary | 1 May 1994 | 27 Feb 1995 | British | - |
| Robert Lennox | Director | 1 Nov 2001 | 1 Sept 2003 | British | 69 years |
| Roger St John Hulton Lewis | Director | 1 Jul 1994 | 1 Feb 1995 | British | 79 years |
| Roger William Henderson | Director | 8 Feb 1999 | 27 Feb 2004 | British | 68 years |
| Stephen John Woodward | Director | 20 Jan 2003 | 30 Apr 2004 | British | 68 years |
| Thanalakshmi Janandran | Secretary | 8 Jul 2005 | 16 Aug 2013 | British | - |