| Alison Sarah Beech | Director | 26 Jul 1993 | 1 Jul 1997 | British | 68 years |
| Andrew Francis Wilcox | Director | 23 Jul 2014 | 10 Oct 2019 | British | 63 years |
| Andrew James Doyle | Director | 17 May 2010 | 18 May 2010 | British | 62 years |
| Andrew James Doyle | Director | 29 Nov 2010 | 15 Jan 2015 | British | 62 years |
| Andrew Nicholas Walker | Director | 23 Nov 2012 | 1 Jul 2013 | British | 64 years |
| Andrew Nicholas Walker | Director | 26 Nov 2012 | 30 May 2014 | British | 64 years |
| Barry Leonard Cooper | Director | 17 Mar 2006 | 2 Sept 2008 | British | 66 years |
| Capita Group Secretary Limited | Corporate Secretary | 30 May 2014 | 3 Nov 2017 | United Kingdom | - |
| Caroline Mary Burton | Director | 31 May 1992 | 31 Jul 1999 | British | 76 years |
| Christian Von Villiez | Director | 24 Jul 2007 | 24 Nov 2009 | German | 67 years |
| Clarence Dixon | Director | 31 May 2005 | 29 Jul 2008 | American | 65 years |
| David John Scrivener | Director | 13 Apr 2006 | 25 Aug 2009 | British | 65 years |
| David John Scrivener | Secretary | 21 Sept 1999 | 25 Aug 2009 | British | - |
| Donald Rundblom | Director | 17 Jan 2001 | 23 Jun 2004 | American | 73 years |
| Eric Philippe Rene Max Julien Stoclet | Director | 1 Feb 2010 | 20 Nov 2012 | Belgian | 73 years |
| Godfrey Blight | Director | 6 Jul 2015 | 4 Apr 2022 | British | 70 years |
| Ian David Lea Richardson | Director | 1 Aug 1999 | 31 Aug 1999 | British | 81 years |
| Jan Wright | Secretary | 6 Aug 2013 | 30 May 2014 | - | - |
| John Harrison | Director | 18 Jun 2013 | 30 May 2014 | British | 82 years |
| John Reginald William Clayton | Secretary | 31 May 1992 | 31 Aug 1999 | British | - |
| John Steven Koczela | Director | 31 Aug 1999 | 28 Oct 2004 | American | 74 years |
| Jonathan Charles Naylor | Director | 31 May 1992 | 31 May 1995 | British | 70 years |
| Julian Victor Frow Roberts | Director | 1 Aug 1999 | 31 Aug 1999 | British | 69 years |
| Julien Charles Holmes | Director | 17 Mar 2006 | 14 Nov 2016 | British | 57 years |
| Kevyn Joseph Connelly | Secretary | 26 Aug 2009 | 16 Jul 2013 | British | - |
| Link Group Corporate Secretary Limited | Corporate Secretary | 3 Nov 2017 | 31 Aug 2023 | United Kingdom | - |
| Martyn Baker | Director | 31 May 1992 | 31 Jan 1997 | British | 80 years |
| Nigel Peter Mushens | Director | 1 Jun 2010 | 15 Jun 2010 | British | 62 years |
| Paul Phillip Marks | Director | 17 Jul 2006 | 17 May 2014 | British | 78 years |
| Paul Steven Morris | Director | 31 Aug 1999 | 31 Dec 2005 | British | 72 years |
| Paul William Carson | Director | 26 May 2015 | 20 Jan 2017 | British | 45 years |
| Peter Charles Walker | Director | 17 Mar 1999 | 17 Mar 2006 | British | 63 years |
| Peter Charles Walker | Director | 27 Jun 2014 | 31 Jan 2024 | British | 63 years |
| Richard Clive Lewis-jones | Director | 31 May 1992 | 31 Aug 1999 | British | 78 years |
| Richard Robert Cotton | Director | 1 Feb 2010 | 30 May 2014 | British | 70 years |
| Ronald Eugene Roark | Director | 31 Aug 1999 | 1 Feb 2010 | American | 76 years |
| Russell Christopher Platt | Director | 1 Feb 2010 | 23 Nov 2012 | American | 66 years |
| Stephen William Haggerty | Director | 1 May 2009 | 31 Jan 2010 | British | 72 years |
| Steven William Henry Winfield | Director | 17 Mar 2006 | 25 Sept 2007 | British | 69 years |
| Wilfrid Mark Richard Davies | Director | 1 Oct 1997 | 31 Aug 1999 | British | 62 years |
| Wilfrid Mark Richard Davies | Director | 20 Feb 2015 | 31 Mar 2025 | British | 62 years |