| Alan Dingwall | Director | 6 Dec 2017 | 7 Dec 2021 | British | 53 years |
| Alan John Wilson | Director | 1 Jan 2008 | 1 Apr 2010 | British | 68 years |
| Andrew Warren Newton White | Director | 10 Dec 2013 | 27 Mar 2014 | British | 60 years |
| Andrew William Smith | Director | 4 Dec 2003 | 31 Dec 2006 | English | 76 years |
| Angelique Catherina Jannetje Magielse | Director | 7 Dec 2016 | 28 Feb 2023 | Dutch | 58 years |
| Antoine Jan Macgiel Valk | Director | 6 Jan 2003 | 31 Dec 2011 | Dutch | 77 years |
| Brian Robert Burdsall | Director | 6 Jan 2003 | 13 Dec 2005 | British | 79 years |
| Christiaan Wilhelmus Smulders | Director | 31 Mar 2005 | 4 Mar 2009 | Dutch | 70 years |
| Christiaan Wilhelmus Smulders | Director | 13 Jun 2012 | 15 Jun 2015 | Dutch | 70 years |
| Christopher Kimberley | Director | 6 Jan 2015 | 31 Dec 2016 | British | 70 years |
| Craig Stuart Nunn | Director | 1 Mar 2010 | 18 Feb 2011 | British | 57 years |
| David Andrew Kaye | Director | 8 Sept 2020 | 7 Jun 2023 | British | 64 years |
| David Peter Sanderse | Director | 30 Nov 2015 | 18 Oct 2016 | Dutch | 61 years |
| David Stretch | Director | 27 Mar 2014 | 31 Dec 2016 | British | 58 years |
| Eversecretary Limited | Corporate Secretary | 1 Jan 2007 | 1 Feb 2021 | United Kingdom | - |
| Francesca Anne Todd | Secretary | 6 Jan 2003 | 31 May 2006 | British | - |
| Gary Shilston | Director | 27 Mar 2014 | 1 Apr 2017 | British | 59 years |
| Guy Robert Smith | Director | 16 Sept 2015 | 6 Dec 2017 | British | 60 years |
| Halco Management Limited | Corporate Director | 18 Dec 2002 | 6 Jan 2003 | United Kingdom | - |
| Halco Secretaries Limited | Corporate Secretary | 18 Dec 2002 | 31 Jan 2003 | United Kingdom | - |
| Hugh Fitzsimmons | Director | 1 Jan 2007 | 1 Mar 2010 | British | 56 years |
| Ian Wilson Downie | Director | 2 Apr 2012 | 16 Sept 2015 | British | 71 years |
| Ian Wilson Downie | Director | 6 Jan 2003 | 4 Dec 2003 | British | 71 years |
| Jan Chaudhry | Director | 18 Sept 2014 | 30 Nov 2015 | British | 59 years |
| Jayesh Pankhania | Director | 24 Sept 2008 | 24 Sept 2008 | British | 56 years |
| Jeffrey John Krijn Hoogesteger | Director | 1 Jan 2012 | 15 Jun 2015 | Dutch | 62 years |
| Jeremy John Stafford | Director | 1 Apr 2011 | 18 Nov 2013 | British | 64 years |
| Jeroen Marcel Weimar | Director | 1 Apr 2010 | 2 Apr 2012 | Dutch | 57 years |
| Joanne Roberts | Director | 13 Sept 2012 | 27 Mar 2014 | British | 57 years |
| John Anthony Richard Whitehurst | Director | 10 Aug 2018 | 23 Feb 2024 | British | 55 years |
| John Michael Heron | Director | 13 Mar 2017 | 28 Feb 2023 | British | 54 years |
| Julian Edwards | Director | 13 Sept 2012 | 13 Sept 2012 | British | 57 years |
| Julian Edwards | Director | 18 Jun 2014 | 18 Jun 2014 | British | 57 years |
| Julian Edwards | Director | 18 Sept 2014 | 4 Sept 2020 | British | 57 years |
| Keith Frank Luck | Director | 6 Jan 2015 | 1 Apr 2017 | British | 66 years |
| Kevin Arthur Thomas | Director | 18 Jun 2014 | 18 Jun 2014 | British | 51 years |
| Ldc Nominee Secretary Limited | Corporate Secretary | 1 Feb 2021 | 1 Aug 2023 | United Kingdom | - |
| Lee Harvey Bartholomew | Director | 1 Jan 2007 | 31 Dec 2007 | British | 69 years |
| Leila Emma Nicole Frances | Director | 8 Nov 2012 | 11 Mar 2013 | British | 53 years |
| Lester Mun Fook Loh | Director | 6 Jan 2003 | 21 Oct 2003 | British | 63 years |
| Marcellinus Niggerbrugge | Director | 6 Jan 2003 | 31 Mar 2005 | Dutch | 76 years |
| Matt Stevens | Director | 1 Feb 2005 | 31 Dec 2006 | British | 57 years |
| Nicholas James Forster Brown | Director | 1 Dec 2005 | 31 Dec 2009 | British | 67 years |
| Peter Van Toor | Director | 6 Jan 2003 | 31 Dec 2006 | Dutch | 66 years |
| Philip Andrew Dennis | Director | 24 Sept 2003 | 4 Aug 2004 | British | 65 years |
| Richard David Judge | Director | 18 Feb 2011 | 13 Sept 2012 | British | 51 years |
| Richard Hilarius Maria Emmerink | Director | 4 Mar 2009 | 13 Jun 2012 | Dutch | 56 years |
| Rohan Jensen | Director | 4 Aug 2004 | 1 Feb 2005 | British | 75 years |
| Serco Corporate Services Limited | Corporate Secretary | 31 May 2006 | 1 Jan 2007 | United Kingdom | - |
| Thomas Richard Phineas Riall | Director | 1 Jan 2010 | 1 Apr 2011 | British | 66 years |