| Alastair David Lyons | Director | 17 Dec 1998 | 26 Mar 1999 | British | 73 years |
| Andrew Moss | Director | 10 Jun 2010 | 31 Dec 2022 | British | 62 years |
| Anthony Beverley Davidson | Director | 25 Nov 2009 | 12 Oct 2015 | British | 79 years |
| Anthony Charles Hotson | Director | 29 Nov 2002 | 15 Sept 2004 | British | 73 years |
| Anthony Wayne Snow | Director | 8 Aug 2013 | 15 Jun 2016 | British | 54 years |
| Ashok Kumar Gupta | Director | 13 Apr 2005 | 6 May 2008 | British | 72 years |
| Brendan Joseph Meehan | Director | 1 Oct 2001 | 3 Jul 2003 | British | 68 years |
| Brid Mary Meaney | Director | 31 Dec 2022 | 23 Aug 2024 | Irish | 52 years |
| Christopher Mcglasham | Director | 22 Mar 1999 | 15 Jun 1999 | British | 70 years |
| Clare Alice Wilson | Director | 1 Oct 1998 | 17 Dec 1998 | British | 61 years |
| Colin David Lever | Director | 14 Jun 1999 | 31 Jul 2003 | British | 88 years |
| Craig William Dunn | Director | 18 Jul 2002 | 15 Oct 2002 | British | 63 years |
| David Charles Huntley | Director | 5 Jun 2008 | 2 Sept 2009 | British | 65 years |
| David Louis Richardson | Director | 26 Apr 2012 | 31 Jan 2013 | Irish | 54 years |
| Diana Susan Miller | Director | 21 May 2015 | 15 Jun 2016 | British | 76 years |
| Diane June Penfold | Director | 1 Oct 1998 | 17 Dec 1998 | British | 61 years |
| Duncan George Robin Ferguson | Director | 10 Sept 2004 | 13 Apr 2005 | British | 84 years |
| George Rea Trumbull Iii | Director | 14 Jun 1999 | 24 Sept 1999 | American | 82 years |
| Gerald Alistair Watson | Secretary | 17 Oct 2000 | 15 Aug 2011 | British | - |
| Hugh Edward Mark Osmond | Director | 13 Apr 2005 | 2 Sept 2009 | British | 64 years |
| Ian Donald Cormack | Director | 28 Apr 2005 | 10 Sept 2009 | British | 79 years |
| Ian Graham Maidens | Director | 10 Jul 2008 | 22 Aug 2008 | British | 62 years |
| Ian William Laughlin | Director | 28 Jan 2003 | 31 Mar 2006 | Australian | 75 years |
| Jean Craig Park | Director | 1 Apr 2010 | 19 Jun 2013 | British | 72 years |
| John Robert Cusins | Director | 6 Sept 2005 | 2 Sept 2009 | British | 54 years |
| John Simon Bertie Smith | Director | 22 Mar 1999 | 15 Jun 1999 | British | 62 years |
| John Simon Bertie Smith | Director | 31 Mar 2006 | 25 Mar 2010 | British | 62 years |
| Jonathan James Yates | Director | 24 Jun 2010 | 21 Dec 2011 | British | 65 years |
| Jonathan Peter Evans | Director | 28 Apr 2005 | 10 Sept 2009 | British | 76 years |
| Jonathan Peter Evans | Director | 2 Nov 2009 | 15 Jun 2016 | British | 76 years |
| Jonathan Stephen Moss | Director | 22 Mar 1999 | 15 Jun 1999 | British | 63 years |
| Kerr Luscombe | Director | 20 Oct 2009 | 9 Feb 2010 | British | 61 years |
| Malcolm Rowland Bates | Director | 14 Jun 1999 | 28 Feb 2005 | British | 92 years |
| Manjit Dale | Director | 13 Apr 2005 | 2 Sept 2009 | British | 61 years |
| Michael David Ross | Director | 28 Apr 2005 | 31 Mar 2016 | British | 80 years |
| Michael John Merrick | Director | 30 Dec 2008 | 19 May 2014 | British | 66 years |
| Michael Norris Urmston | Director | 18 Jan 2010 | 15 Jun 2016 | British | 77 years |
| Office Organization & Services Limited | Corporate Secretary | 25 Nov 1998 | 17 Dec 1998 | United Kingdom | - |
| Paul John Batchelor | Director | 14 Jun 1999 | 15 Oct 2002 | Australian | 76 years |
| Peter John Costain | Director | 14 Jun 1999 | 28 Feb 2005 | British | 88 years |
| Philip Wynford Moore | Director | 14 Jun 1999 | 30 Jun 2003 | British | 66 years |
| Rizwan Sheriff | Director | 30 Sept 2017 | 1 Jun 2021 | British | 49 years |
| Shamira Mohammed | Director | 7 Oct 2014 | 30 Sept 2017 | British | 58 years |
| Simon Charles True | Director | 2 Sept 2013 | 15 Jun 2016 | British | 58 years |
| Sisec Limited | Corporate Secretary | 30 Mar 1999 | 17 Jun 1999 | United Kingdom | - |
| Steven John O'brien | Director | 17 Dec 1998 | 27 Mar 1999 | British | 71 years |
| Steven John O'brien | Secretary | 17 Dec 1998 | 27 Mar 1999 | British | - |
| Steven John O'brien | Secretary | 14 Jun 1999 | 17 Oct 2000 | British | - |
| Swift Incorporations Limited | Corporate Nominee Secretary | 1 Oct 1998 | 25 Nov 1998 | United Kingdom | - |
| Thomas Aird Fraser | Director | 15 Jan 2001 | 2 Nov 2002 | Australian | 67 years |
| Tom Cross Brown | Director | 28 Apr 2005 | 10 Sept 2009 | English | 79 years |
| Trevor James Thompson | Director | 1 Jan 2000 | 31 Dec 2001 | Australian | 81 years |
| William Henry Weston Wells | Director | 14 Jun 1999 | 17 Jun 1999 | British | 86 years |
| William Henry Weston Wells | Director | 14 Jun 1999 | 13 Apr 2005 | British | 86 years |
| William Raymond Treen | Director | 28 Apr 2005 | 21 May 2015 | Welsh | 86 years |
| William Richard Gorman | Director | 22 Mar 1999 | 15 Jun 1999 | Australian | 71 years |