| Alan Wingate Jones | Director | 7 Dec 2000 | 22 May 2007 | British | 86 years |
| Alert Communications (holdings) Limited | Corporate Director | 30 Jun 2009 | 30 Jun 2009 | United Kingdom | - |
| Alert Communications (holdings) Limited | Corporate Secretary | 30 Jun 2009 | 30 Jun 2009 | United Kingdom | - |
| Alert Communications (holdings) Limited | Corporate Director | 30 Jun 2009 | 30 Jun 2009 | United Kingdom | - |
| Andrew Charles Nicholls | Director | 8 Oct 2010 | 25 Oct 2012 | British | 70 years |
| Andrew Christopher John Noble | Director | 28 Oct 2008 | 30 Jun 2009 | British | 64 years |
| Andrew Christopher John Noble | Secretary | 28 Oct 2008 | 30 Jun 2009 | British | - |
| Biif Corporate Services Limited | Corporate Director | 7 Jul 2010 | 19 Feb 2016 | United Kingdom | - |
| Christopher James Elliott | Director | 31 May 2000 | 9 Jan 2003 | British | 75 years |
| David Jack Hobbs | Director | 30 Jun 2009 | 8 Oct 2010 | British | 73 years |
| Douglas Umbers | Director | 10 Jun 2003 | 30 Jun 2009 | British | 60 years |
| Elizabeth Agnes Narey | Director | 8 Oct 2010 | 19 Feb 2016 | British | 61 years |
| James Simon Edenborough | Director | 23 Sept 2019 | 3 Aug 2023 | British | 50 years |
| Jeffrey Lewis | Director | 25 Oct 2012 | 28 Sept 2018 | British | 62 years |
| John Mcdonagh | Director | 16 Dec 2005 | 26 Feb 2009 | British | 56 years |
| Karen Louise Stewart | Director | 19 Feb 2016 | 1 Apr 2018 | British | 46 years |
| Kevin Roger Cawood | Director | 28 Apr 2000 | 31 May 2000 | British | 61 years |
| Kevin Roger Cawood | Director | 31 May 2000 | 24 Nov 2004 | British | 61 years |
| Matthew Jones | Director | 1 Apr 2018 | 6 Sept 2019 | British | 42 years |
| Michael Joseph Ryan | Director | 16 Dec 2005 | 26 Feb 2009 | Irish | 59 years |
| Michael William Rich | Nominee Director | 7 Sept 1999 | 28 Apr 2000 | British | 78 years |
| Mitre Secretaries Limited | Corporate Nominee Secretary | 7 Sept 1999 | 28 Apr 2000 | United Kingdom | - |
| Neal Gregory Misell | Director | 24 Nov 2004 | 28 Oct 2008 | British | 58 years |
| Neal Gregory Misell | Secretary | 10 Jun 2003 | 28 Oct 2008 | British | - |
| Oliver James Wake Jennings | Director | 9 Jan 2003 | 16 Dec 2005 | British | 62 years |
| Peter John Sheldrake | Director | 2 Jul 2018 | 8 Feb 2023 | British | 66 years |
| Philip Peter Ashbrook | Director | 25 Jul 2014 | 29 Jun 2018 | British | 65 years |
| Richard Daniel Drake | Director | 28 Sept 2018 | 20 Sept 2022 | British | 52 years |
| Richard David Hoile | Director | 19 Mar 2014 | 25 Jul 2014 | British | 62 years |
| Richard Hewitt Taylor | Secretary | 30 Jun 2009 | 8 Oct 2010 | British | - |
| Richard Hewitt Taylor | Director | 30 Jun 2009 | 8 Oct 2010 | British | 64 years |
| Robert Sean Mcclatchey | Director | 31 May 2000 | 16 Dec 2005 | British | 60 years |
| Stephen John Crowther | Director | 28 Apr 2000 | 10 May 2003 | British | 69 years |
| Stephen John Crowther | Secretary | 28 Apr 2000 | 10 Jun 2003 | British | - |
| Stephen Phillip Barrett | Director | 1 Jun 2012 | 10 Mar 2015 | British | 68 years |
| Thomas Justin Haga | Director | 12 Dec 2011 | 19 Mar 2014 | British | 49 years |
| Valerie Francine Anne Teller | Secretary | 8 Oct 2010 | 27 Jul 2012 | - | - |
| Victoria Louise Bradley | Director | 26 Feb 2009 | 12 Dec 2011 | British | 54 years |
| William Warner | Director | 7 Sept 1999 | 28 Apr 2000 | British | 57 years |