| Allison Margaret Bainbridge | Director | 1 Oct 2000 | 28 Jan 2008 | British | 66 years |
| Andre Crosland | Director | 25 Sept 1998 | 1 Oct 2000 | British | 74 years |
| Andrew George Thomas Clark | Director | 1 Oct 2018 | 9 May 2024 | British | 47 years |
| Brian Joseph Wilson | Director | 12 Mar 1997 | 5 Jan 1998 | British | 82 years |
| David John Brimblecombe | Director | 9 Jan 1998 | 3 Oct 2016 | British | 78 years |
| David John Brimblecombe | Secretary | 12 Mar 1997 | 1 Apr 2001 | British | - |
| David John Stevenson | Director | 29 Oct 2015 | 6 Apr 2018 | British | 61 years |
| Derek Franklyn Roberts | Director | 12 Mar 1997 | 1 Jan 2006 | British | 84 years |
| Edward John Goult | Director | 25 Sept 1998 | 12 Jul 2005 | British | 85 years |
| Gavin Michael Cawthra | Director | 1 Jan 2006 | 1 Apr 2009 | British | 64 years |
| Howard Malcolm Cressey | Director | 1 Oct 2002 | 29 Aug 2003 | British | 71 years |
| Howard Malcolm Cressey | Director | 29 Oct 2015 | 31 Dec 2020 | British | 71 years |
| Ian Graham Knight | Director | 3 May 2018 | 10 Dec 2024 | British | 75 years |
| Ian Leece | Director | 8 May 2014 | 1 Nov 2017 | British | 72 years |
| Ian Richard Dunwell | Director | 1 Jan 2021 | 8 Apr 2022 | British | 55 years |
| Jacqueline Ann Wise | Secretary | 1 Aug 2018 | 31 Dec 2020 | - | - |
| James Henry Newman | Director | 5 Jan 1998 | 6 Aug 2002 | British | 76 years |
| Jeremy Nicholas Housley | Director | 30 Oct 2008 | 4 Feb 2010 | English | 65 years |
| John Herdman | Director | 27 Oct 2011 | 1 Apr 2013 | British | 65 years |
| John William Kidd | Director | 25 Sept 1998 | 27 Dec 2014 | British | 80 years |
| Jonson Cox | Director | 12 Mar 1997 | 31 Mar 2000 | British | 70 years |
| Julie Jane Allan | Director | 1 Jan 2008 | 29 May 2009 | British | 58 years |
| Kevin Patrick Bond | Director | 25 Sept 1998 | 10 Apr 2000 | British | 76 years |
| Martin George Towers | Director | 29 Oct 2003 | 1 Jan 2008 | British | 74 years |
| Pamela Jane Rogerson | Director | 30 Jul 2009 | 1 Sept 2011 | British | 57 years |
| Peter Beaumont | Director | 30 Oct 2008 | 1 Oct 2018 | British | 73 years |
| Peter James Constantine | Director | 1 Oct 2000 | 29 Oct 2015 | British | 79 years |
| Peter John Stirk | Director | 28 Apr 2011 | 17 Mar 2021 | British | 69 years |
| Philip Jennison | Director | 25 Sept 1998 | 1 Nov 2017 | British | 77 years |
| Philip John Boutwood | Director | 25 Sept 1998 | 24 Sept 1999 | British | 78 years |
| Philip John Hudson | Director | 10 Nov 2000 | 27 Apr 2007 | British | 66 years |
| Richard David Allen | Director | 29 Oct 2009 | 29 Apr 2010 | British | 56 years |
| Richard Keith Ackroyd | Director | 25 Sept 1998 | 30 Oct 2008 | British | 67 years |
| Robert Christopher Hill | Secretary | 28 Oct 2010 | 27 Jun 2018 | - | - |
| Stephen Philip Grant | Director | 1 Feb 2006 | 1 Nov 2017 | British | 68 years |
| Steven John Webb | Director | 19 May 2000 | 10 Nov 2000 | British | 63 years |
| Terence Moorhouse | Secretary | 1 Apr 2001 | 28 Oct 2010 | British | - |
| York Place Company Nominees Limited | Corporate Nominee Director | 29 Jan 1997 | 12 Mar 1997 | United Kingdom | - |
| York Place Company Secretaries Limited | Corporate Nominee Secretary | 29 Jan 1997 | 12 Mar 1997 | United Kingdom | - |