| Andrew David West | Secretary | 12 Mar 2002 | 8 Feb 2005 | British | - |
| Andrew Michael David Kirkman | Director | 19 Jan 2016 | 30 Jun 2019 | British | 54 years |
| Christopher Mawe | Director | 8 Jul 2004 | 17 Sept 2007 | British | 64 years |
| Christopher Michael Birch | Director | 9 Jun 2016 | 30 Nov 2018 | British | 45 years |
| David Graham Brocksom | Director | 18 Sept 2007 | 31 Dec 2012 | British | 66 years |
| Garold Ralph Spindler | Director | 28 Oct 2004 | 9 Jul 2007 | American | 79 years |
| Geoffrey Keith Howard Mason | Director | 31 Oct 2012 | 12 Jul 2013 | British | 72 years |
| Geoffrey Keith Howard Mason | Director | 30 Apr 2015 | 8 Jul 2016 | British | 72 years |
| Gordon Allister Mcphie | Director | 12 Mar 2002 | 1 Oct 2004 | British | 74 years |
| Harworth Secretariat Services Limited | Corporate Secretary | 31 Oct 2012 | 8 Sept 2021 | United Kingdom | - |
| Ian Richard Ball | Director | 30 Jun 2019 | 8 Sept 2021 | British | 55 years |
| Instant Companies Limited | Corporate Nominee Director | 3 Oct 2001 | 12 Mar 2002 | United Kingdom | - |
| Jeremy Rhodes | Secretary | 31 May 2012 | 15 Aug 2012 | British | - |
| Jeremy Rhodes | Director | 23 May 2012 | 15 Aug 2012 | British | 68 years |
| Jeremy Richard Hague | Director | 2 Jan 2013 | 30 Apr 2015 | British | 62 years |
| Jonathan Simon Lloyd | Director | 9 Jul 2007 | 15 Nov 2010 | British | 70 years |
| Melvin Garness | Director | 20 Mar 2002 | 28 Oct 2004 | British | 81 years |
| Melvin Garness | Secretary | 8 Feb 2005 | 29 Mar 2005 | British | - |
| Michael Richardson | Director | 30 Apr 2015 | 29 Feb 2016 | British | 63 years |
| Richard Andrew Cole | Director | 15 Nov 2010 | 31 May 2012 | British | 61 years |
| Richard Andrew Cole | Secretary | 29 Mar 2005 | 31 May 2012 | British | - |
| Richard Owen Michaelson | Director | 13 Nov 2018 | 31 Dec 2020 | British | 60 years |
| Swift Incorporations Limited | Corporate Nominee Director | 3 Oct 2001 | 12 Mar 2002 | United Kingdom | - |
| Swift Incorporations Limited | Corporate Nominee Secretary | 3 Oct 2001 | 12 Mar 2002 | United Kingdom | - |
