| Alan Edward Birch | Director | 1 Dec 2007 | 18 Feb 2010 | British | 56 years |
| Alison Julie Montague | Director | 19 Jan 2001 | 24 Jul 2006 | British | 64 years |
| Andrew Matthews | Director | 25 Apr 2002 | 3 Feb 2003 | British | 64 years |
| Andrew Richard Kershaw | Director | 31 Oct 2015 | 14 Sept 2020 | British | 61 years |
| Balasingham Ravi Kumar | Director | 27 Mar 2014 | 3 Jun 2014 | British | 51 years |
| Barry Simon Williams | Director | 8 Dec 2006 | 14 Aug 2007 | British | 56 years |
| Brian Mervyn Semple | Director | 2 Jan 2008 | 26 Aug 2009 | British | 80 years |
| Bruce Warren Dalgleish | Director | 14 May 2009 | 6 Oct 2011 | British | 59 years |
| Christopher John Blundell | Director | 11 May 2017 | 11 May 2017 | British | 60 years |
| Colin Peter Dixon | Director | 19 Jan 2001 | 25 Apr 2002 | British | 77 years |
| David Thomas Hammond | Director | 4 Nov 2014 | 31 Oct 2015 | British | 62 years |
| Gary Nelson Robert Honeyman Brown | Director | 7 Dec 2010 | 11 May 2017 | British | 51 years |
| Gary Nelson Robert Honeyman Brown | Director | 11 May 2017 | 10 May 2018 | British | 51 years |
| Harvey John William Pownall | Director | 10 May 2018 | 30 May 2025 | British | 60 years |
| James Gowans | Director | 19 Jun 2014 | 5 Nov 2014 | English | 45 years |
| Lisa Marie Whitmore | Secretary | 1 Mar 2007 | 9 Nov 2009 | British | - |
| Matthew Mortimer | Director | 19 Jan 2001 | 25 Apr 2002 | British | 63 years |
| Michael John Petty | Director | 19 Jan 2001 | 25 Apr 2002 | British | 84 years |
| Michael John Petty | Secretary | 19 Jan 2001 | 25 Apr 2002 | British | - |
| Nigel Raymond Dodds | Secretary | 25 Apr 2002 | 8 Dec 2006 | British | - |
| Oliver James Wake Jennings | Director | 3 Feb 2003 | 8 Dec 2006 | British | 63 years |
| Paul Victor Evans | Director | 19 Jan 2001 | 24 Jul 2006 | British | 71 years |
| Peter George Bachmann | Director | 1 May 2007 | 28 Feb 2008 | German | 49 years |
| Phillip Joseph Dodd | Director | 3 Jun 2014 | 8 Apr 2016 | British | 71 years |
| Robert Sean Mcclatchey | Director | 25 Apr 2002 | 8 Dec 2006 | British | 61 years |
| Smif Secretariat Services Limited | Corporate Director | 1 Mar 2007 | 1 Mar 2007 | - | - |
| Smif Secretariat Services Limited | Corporate Secretary | 8 Dec 2006 | 1 Mar 2007 | - | - |
| Stephen John Jameson | Director | 24 Jul 2006 | 8 Dec 2006 | British | 62 years |
| Stephen John Jameson | Director | 1 Mar 2007 | 14 May 2008 | British | 62 years |
| Stephen Paul Hornby | Director | 18 Feb 2010 | 7 Dec 2010 | British | 69 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 19 Jan 2001 | 19 Jan 2001 | United Kingdom | - |
| Terence Ryan | Director | 18 Feb 2010 | 27 Mar 2014 | British | 69 years |