| Andrew Clive Woods | Director | 25 Jan 1991 | 30 Jun 1994 | British | 79 years |
| Andrew James Morrish | Director | 26 Apr 2018 | 16 Apr 2021 | British | 58 years |
| Aviva Company Secretarial Services Limited | Corporate Secretary | 25 Jan 1991 | 12 Jul 2007 | United Kingdom | - |
| Bridget Fiona Mcintyre | Director | 31 Mar 2001 | 9 Jun 2005 | British | 65 years |
| Caroline Francis Ramsay | Director | 23 Jan 2004 | 26 Apr 2004 | British | 64 years |
| Cgnu Company Secretarial Services Limited | Corporate Director | 30 Sept 1998 | 22 Nov 1999 | - | - |
| Cgnu Director Services Limited | Corporate Director | 30 Sept 1998 | 22 Nov 1999 | - | - |
| Claire Margaret Valentine | Secretary | 3 Dec 2013 | 14 Dec 2016 | - | - |
| Clifford James Abrahams | Director | 26 Jul 2010 | 12 Nov 2013 | British | 59 years |
| Colm Joseph Holmes | Director | 25 Jul 2017 | 24 Jan 2018 | Irish | 60 years |
| Cornelis Antonius Carolus Maria Schrauwers | Director | 22 Nov 1999 | 14 Nov 2000 | Dutch | 79 years |
| David Charles Skinn | Director | 21 Apr 2021 | 28 Nov 2022 | British | 57 years |
| David Gavin Macdonald | Director | 22 Nov 1999 | 14 Nov 2000 | British | 73 years |
| David John Ramsay Mcmillan | Director | 11 Aug 2008 | 1 Sept 2008 | British | 60 years |
| David John Ramsay Mcmillan | Director | 4 Nov 2008 | 2 Jan 2009 | British | 60 years |
| David John Ramsay Mcmillan | Director | 23 Feb 2010 | 17 Sept 2012 | British | 60 years |
| David Kenneth Watson | Director | 2 Jan 2009 | 31 Mar 2010 | British | 67 years |
| Igal Mordeciah Mayer | Director | 13 Jul 2007 | 31 Dec 2009 | Israeli | 65 years |
| Igal Mordeciah Mayer | Director | 14 Nov 2000 | 31 Mar 2001 | Canadian | 65 years |
| Jacqueline Hunt | Director | 1 Jan 2007 | 4 Sept 2008 | British | 58 years |
| Jennifer Jane Wilman | Secretary | 12 Aug 2013 | 3 Dec 2013 | - | - |
| John Robert Kitson | Director | 9 May 2006 | 31 Mar 2010 | British | 66 years |
| John Seaton | Director | 19 Jun 2006 | 9 Oct 2006 | British | 68 years |
| John Seaton | Director | 13 Aug 2007 | 1 Sept 2007 | British | 68 years |
| Jonathan James Goodson | Director | 28 Nov 2022 | 17 Jun 2024 | British | 51 years |
| Julian Ray Woodford | Director | 12 Nov 2013 | 20 Nov 2014 | British | 63 years |
| Keith Nigel Grant | Director | 25 Jan 1991 | 30 Jun 1998 | British | 72 years |
| Keith Polsom Jenkins | Director | 5 Jul 1994 | 30 Sept 1998 | British | 79 years |
| Lindsey Claire Rix | Director | 20 Nov 2014 | 19 Jul 2017 | British | 46 years |
| Mark Steven Hodges | Director | 31 Mar 2001 | 9 May 2006 | British | 61 years |
| Michael Nicholas Biggs | Director | 14 Nov 2000 | 31 Mar 2001 | British | 74 years |
| Patrick Joseph Robert Snowball | Director | 14 Nov 2000 | 9 May 2006 | British | 76 years |
| Paul Anthony Found | Director | 22 Nov 1999 | 14 Nov 2000 | British | 78 years |
| Peter Michael Taylor | Director | 18 May 2021 | 19 Jun 2024 | British | 44 years |
| Philip Charles Easter | Director | 9 Jun 2005 | 1 Jan 2007 | British | 73 years |
| Philip Spencer Bayles | Director | 3 Feb 2015 | 18 May 2021 | British | 59 years |
| Richard Andrew Whitaker | Director | 1 Jul 1998 | 30 Sept 1998 | British | 74 years |
| Richard Harold Spicker | Secretary | 12 Jul 2007 | 12 Aug 2013 | British | - |
| Robert Ian Leyman Townend | Director | 22 Nov 2016 | 26 Apr 2018 | British | 59 years |
| Robert Newton | Director | 22 Nov 1999 | 14 Nov 2000 | British | 76 years |
| Robin Lloyd Spencer | Director | 19 Sept 2012 | 11 Oct 2013 | British | 56 years |
| Sean Egan | Director | 1 Apr 2010 | 24 Feb 2012 | Irish | 70 years |
| Simon Christopher Machell | Director | 9 May 2006 | 12 Jul 2007 | British | 63 years |
| Simon Peter Warsop | Director | 23 Jan 2018 | 17 Dec 2021 | British | 57 years |
| Stephen Treloar | Director | 24 Feb 2012 | 4 Nov 2015 | British | 58 years |
| Turlough Owen O'brien | Director | 2 Feb 2022 | 26 Oct 2022 | British,irish | 47 years |
| Victoria Louise De Temple | Director | 28 Nov 2022 | 11 Oct 2024 | British | 48 years |