| A B & C Secretarial Limited | Corporate Nominee Director | 19 Sept 1991 | 27 Sept 1991 | United Kingdom | - |
| A B & C Secretarial Limited | Corporate Nominee Secretary | 19 Sept 1991 | 27 Sept 1991 | United Kingdom | - |
| Amanda Jane Emilia Massie | Director | 14 Jan 2005 | 8 Mar 2013 | British | 56 years |
| Amanda Jane Emilia Massie | Secretary | 18 Oct 2004 | 8 Mar 2013 | British | - |
| Anoop Kang | Director | 26 Feb 2016 | 22 Dec 2016 | British | 52 years |
| Brian David Bicknell | Director | 28 Oct 1991 | 31 Oct 1994 | British | 96 years |
| Carl Sjogren | Secretary | 30 Jul 2010 | 12 Apr 2012 | - | - |
| Catherine Engmann | Secretary | 13 Oct 2006 | 22 May 2009 | British | - |
| Christine Shaw | Secretary | 12 Apr 2012 | 2 May 2012 | - | - |
| Dewi Vaughan Parry | Director | 28 Oct 1991 | 1 Mar 1993 | British | 77 years |
| Giles Stewart Pearson | Director | 8 Aug 2013 | 26 Feb 2016 | British | 58 years |
| John Amos Tallis | Director | 27 Sept 1991 | 31 Jul 1995 | British | 90 years |
| John Roger Jones | Director | 1 Mar 1993 | 13 Oct 2006 | British | 82 years |
| Kelly Lee | Secretary | 26 May 2009 | 30 Jul 2010 | British | - |
| Kevin Andrew Young | Director | 14 Jan 2005 | 31 Aug 2010 | British | 67 years |
| Nicky Cobden | Secretary | 2 May 2012 | 29 Aug 2013 | - | - |
| Nigel Alfred Nott | Director | 27 Sept 1991 | 1 Mar 1993 | British | 77 years |
| Paul Adrian Rayner | Director | 31 Jan 2013 | 8 Jun 2015 | British | 65 years |
| Paul David England | Director | 20 Sept 2010 | 8 Aug 2013 | British | 56 years |
| Peter Thomas Allen | Director | 28 Oct 1991 | 28 Apr 1995 | British | 83 years |
| Richard Alec Preece | Director | 14 Jan 2005 | 5 Feb 2007 | British | 80 years |
| Richard Alec Preece | Secretary | 27 Sept 1991 | 8 Dec 2004 | British | - |
| Robin Jonathan Ayres | Director | 28 Oct 1991 | 28 Aug 1994 | British | 83 years |
| Rodney Hewer Harris | Director | 30 Aug 2012 | 25 Jan 2013 | British | 65 years |
| Victoria Elizabeth Hames | Secretary | 14 Jan 2005 | 1 Mar 2006 | British | - |