| Adrian Corser | Director | 5 Jan 2004 | 7 Jul 2007 | English | 71 years |
| Alison Scillitoe White | Secretary | 2 Nov 2009 | 1 Mar 2012 | - | - |
| Andrea Jane Fawell | Director | 1 Jan 1998 | 23 Jul 1999 | British | 61 years |
| Andrew Kevin Grieve Mackenzie | Director | 9 May 2007 | 12 Oct 2015 | British | 56 years |
| Brendan Jacob Morrissey | Secretary | 27 Jan 2006 | 14 Mar 2007 | British | - |
| Brian Hector Bonnyman | Director | 1 Jan 2002 | 31 Aug 2004 | British | 68 years |
| Castle Notornis Limited | Corporate Nominee Director | 1 Sept 1993 | 14 Jan 1994 | United Kingdom | - |
| Christopher Coates | Director | 16 Feb 1996 | 31 Dec 1999 | British | 61 years |
| Christopher Coates | Director | 9 May 2007 | 1 Jul 2008 | British | 61 years |
| Christopher John O'sullivan | Director | 18 Mar 1999 | 31 Dec 2003 | British | 69 years |
| Colin John Rogers | Director | 14 Jan 2010 | 22 Mar 2018 | British | 70 years |
| Darren Edward Maddox | Director | 9 May 2007 | 19 Jan 2012 | British | 55 years |
| Darren Edward Maddox | Director | 22 Jan 2016 | 17 Oct 2024 | British | 55 years |
| David John Evans | Director | 27 Jan 2006 | 22 Jan 2016 | British | 66 years |
| David Richard John Bray | Director | 1 Jan 1998 | 9 Jun 1999 | British | 78 years |
| David Ward Tilman | Director | 8 Jul 2002 | 31 Dec 2009 | British | 73 years |
| Dylan May | Director | 31 Aug 2009 | 2 May 2016 | British | 50 years |
| Earl Sibley | Director | 3 Jan 2020 | 31 Dec 2024 | British | 54 years |
| Galliford Try Secretariat Services Limited | Corporate Secretary | 1 Mar 2012 | 3 Jan 2020 | United Kingdom | - |
| Gerard Colquhoun Price | Director | 1 Jul 2002 | 31 Dec 2004 | British | 62 years |
| Helen Dale Boniface | Director | 2 Aug 2004 | 14 Feb 2005 | British | 73 years |
| Ian Martin Randall | Director | 22 Sept 2003 | 9 May 2007 | British | 67 years |
| Ivan Phillip Ball | Director | 1 Jan 2000 | 4 Oct 2004 | British | 63 years |
| Keith Bryan Carnegie | Director | 3 Jan 2020 | 31 Dec 2023 | British | 57 years |
| Lou Jovic | Director | 14 Jan 1994 | 30 Jun 2002 | British | 80 years |
| Lou Jovic | Secretary | 14 Jan 1994 | 6 Apr 1998 | British | - |
| Martin Trevor Digby Palmer | Secretary | 3 Jan 2020 | 25 Jun 2021 | - | - |
| Michael Andrew Black | Director | 13 May 2002 | 31 Mar 2003 | British | 63 years |
| Natalie Jane Flint | Director | 16 Aug 1999 | 30 Jul 2004 | British | 57 years |
| Neil John Bucknell | Secretary | 26 Jul 1994 | 6 Sept 1994 | British | - |
| Neil John Bucknell | Secretary | 13 Aug 1996 | 2 Sept 1996 | British | - |
| Nicholas Paul Champness | Director | 1 Jul 2008 | 19 Jul 2010 | British | 60 years |
| Paul David Cooper | Director | 1 Jul 2008 | 1 Oct 2015 | British | 58 years |
| Paul David Money | Secretary | 14 Mar 2007 | 30 Oct 2009 | British | - |
| Peter Hawkey | Director | 14 Jan 1994 | 31 Dec 1999 | British | 75 years |
| Peter James Youll | Director | 9 May 2007 | 22 Jan 2016 | British | 57 years |
| Philip James Davies | Director | 14 Jan 1994 | 6 Mar 2007 | British | 76 years |
| Pitsec Limited | Corporate Nominee Secretary | 1 Sept 1993 | 14 Jan 1994 | United Kingdom | - |
| Richard John Matthews | Director | 28 Aug 2001 | 27 Jan 2006 | British | 60 years |
| Richard Miles Cordy | Director | 1 Feb 1999 | 3 Sept 1999 | British | 68 years |
| Richard William Breen | Director | 14 Jan 1994 | 10 Mar 1999 | British | 73 years |
| Robin Gray | Director | 2 Jul 2001 | 31 Aug 2004 | British | 75 years |
| Silvano Amato | Director | 6 Apr 1998 | 31 Aug 2009 | British | 71 years |
| Silvano Amato | Secretary | 6 Apr 1998 | 25 Sept 2002 | British | - |
| Stephen Anthony Bangs | Director | 1 Dec 2008 | 27 Mar 2014 | British | 60 years |
| Stephen Ryan Lavers | Director | 1 Nov 2001 | 31 May 2008 | British | 53 years |
| Toby Ballard | Director | 1 Jan 2000 | 31 Oct 2001 | British | 54 years |
| Zillah Wendy Stone | Secretary | 25 Sept 2002 | 27 Jan 2006 | British | - |