| Alan Naismith Binder | Director | 2 Oct 1996 | 16 May 2000 | British | 95 years |
| Andrew Michael David Kirkman | Director | 19 Jan 2016 | 30 Jun 2019 | British | 54 years |
| Benjamin John Fletcher Odonnell | Director | 11 Nov 1994 | 1 Sept 1995 | British | 57 years |
| Benjamin John Fletcher Odonnell | Secretary | 11 Nov 1994 | 1 Sept 1995 | British | - |
| Brian Lynn Staples | Director | 29 Feb 2000 | 1 Jan 2004 | British | 81 years |
| Christopher Mawe | Director | 20 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 | 29 Mar 2005 | 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 | 1 Sept 1995 | 9 Oct 1996 | British | 74 years |
| Gordon Allister Mcphie | Director | 20 Jul 2004 | 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 | 6 Oct 1994 | 11 Nov 1994 | 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 | 1 Sept 1995 | 9 Oct 1996 | British | 81 years |
| Melvin Garness | Secretary | 1 Sept 1995 | 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 |
| Robert Neil Shrager | Director | 13 Jun 1996 | 14 May 2004 | British | 78 years |
| Ross Buckland | Director | 2 Oct 1996 | 1 Oct 1999 | Australian | 84 years |
| Simon John Morton Evans | Director | 11 Nov 1994 | 6 Oct 1995 | British | 69 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 6 Oct 1994 | 11 Nov 1994 | United Kingdom | - |