| Adam Paul Butcher | Director | 12 Aug 2024 | 31 Jul 2025 | British | 50 years |
| Alan Brian Lamerton | Director | 25 Oct 2005 | 31 Jan 2007 | British | 81 years |
| Andrew Stuart Mclean | Director | 6 Mar 2020 | 12 Aug 2024 | British | 56 years |
| Anthony Mark Thomas | Secretary | 16 Feb 2018 | 8 Mar 2019 | - | - |
| Brian David Henderson Wilson | Director | 25 Oct 2005 | 31 Mar 2014 | British | 78 years |
| Brian Victor George | Director | 6 Sept 1999 | 5 Jul 2005 | British | 90 years |
| Christopher Laskey Fidler | Secretary | 16 Jun 2009 | 22 Jul 2016 | British | - |
| Clive Thomas White | Director | 1 Mar 2013 | 31 Mar 2014 | British | 64 years |
| Colin Fellowes | Secretary | 1 Apr 2006 | 16 Jun 2009 | British | - |
| Colin Ross Fleming | Director | 31 Mar 2014 | 1 Oct 2017 | British | 67 years |
| David Harrington Small | Director | 1 Oct 2002 | 9 Jan 2004 | British | 82 years |
| Eric Leslie Ingham | Director | 6 Sept 1999 | 31 Dec 2003 | British | 79 years |
| Frazer Anthony Don Carolis | Secretary | 6 Sept 1999 | 1 Apr 2006 | British | - |
| Graeme Bruce Sleigh | Director | 31 Mar 2014 | 30 Nov 2017 | British | 56 years |
| Grant Rae Angus | Director | 30 Nov 2017 | 15 Aug 2022 | British | 56 years |
| Iain Angus Jones | Secretary | 26 Apr 2019 | 12 Jun 2024 | - | - |
| Iain Geoffrey Clarkson | Director | 1 Feb 2008 | 31 Mar 2014 | British | 59 years |
| Ingleby Holdings Limited | Corporate Nominee Director | 3 Mar 1999 | 6 Sept 1999 | United Kingdom | - |
| Ingleby Nominees Limited | Corporate Nominee Secretary | 3 Mar 1999 | 6 Sept 1999 | United Kingdom | - |
| Jennifer Ann Warburton | Secretary | 22 Jul 2016 | 16 Feb 2018 | - | - |
| John Joseph Trawber | Director | 6 Sept 1999 | 31 Jul 2004 | British | 79 years |
| Julie Davin | Director | 2 Jul 2012 | 31 Mar 2014 | British | 54 years |
| Kevin Smith | Director | 21 May 2007 | 2 Jul 2012 | British | 73 years |
| Kevin Timothy Routledge | Director | 6 Sept 1999 | 31 Dec 2005 | Canadian | 75 years |
| Leslie Neville Chamberlain | Director | 25 Oct 2005 | 31 Mar 2014 | British | 87 years |
| Michael Joseph Saunders | Director | 31 Jan 2007 | 1 Mar 2013 | British | 66 years |
| Michael Straughen | Director | 25 Oct 2005 | 31 Dec 2006 | British | 76 years |
| Michael Wallis | Director | 6 Sept 1999 | 5 Jul 2005 | British | 84 years |
| Nicola Jayne O'keeffe | Director | 1 Oct 2017 | 6 Mar 2020 | British | 55 years |
| Paul Richard Kershaw | Director | 6 Sept 1999 | 27 Jan 2005 | British | 72 years |
| Peter Desmond Higton | Director | 6 Sept 1999 | 5 Feb 2007 | British | 70 years |
| Peter John Lynas | Director | 1 Apr 2000 | 10 Sept 2002 | British | 68 years |
| Philip Nicholas Lanigan | Director | 1 Nov 1999 | 30 Sept 2005 | British | 62 years |
| Steve Sadler | Director | 29 Jan 2007 | 31 Jan 2008 | British | 58 years |
| Susan Elizabeth Ion | Director | 6 Sept 1999 | 5 Jul 2005 | British | 71 years |
| William George Setter | Director | 6 Mar 2020 | 21 Mar 2025 | British | 51 years |