| Andrew Peter Gale | Director | 30 Oct 2014 | 30 Oct 2014 | British | 56 years |
| Angela Clare Smith | Secretary | 30 Sept 2004 | 27 Jan 2006 | British | - |
| Anthony Keith Mitchard | Director | 9 Oct 1996 | 12 Jan 2004 | British | 92 years |
| Christopher John Pople | Director | 9 May 1991 | 12 Jan 2004 | British | 67 years |
| Christopher John Pople | Secretary | 9 May 1991 | 1 Apr 1992 | British | - |
| Christopher John Rowlands | Director | 9 Sept 1997 | 12 Jan 2004 | British | 75 years |
| Debbie Rodwell | Secretary | 9 Jul 2008 | 19 Dec 2014 | British | - |
| Hugh Charles Laurence Cawley | Director | 26 Mar 2013 | 16 Dec 2014 | British | 70 years |
| Jason Charles Edward Cromack | Director | 12 Jan 2004 | 30 Nov 2009 | British | 56 years |
| Jill Nicola Nicholls | Director | 15 May 1991 | 17 Nov 1996 | British | 68 years |
| Julian Holmes | Secretary | 27 Jan 2006 | 9 Jul 2008 | British | - |
| Jun Tsiong Wong | Director | 12 Jan 2004 | 20 Jan 2006 | British | 48 years |
| Mark Andrew Cunningham | Director | 14 Jul 2008 | 30 Jan 2013 | British | 59 years |
| Nicholas Jonathan Haigh | Director | 9 May 1991 | 15 Jun 2006 | British | 70 years |
| Nqh (co Sec) Limited | Corporate Nominee Secretary | 11 Apr 1991 | 9 May 1991 | - | - |
| Nqh Limited | Corporate Nominee Director | 11 Apr 1991 | 9 May 1991 | United Kingdom | - |
| Peter Richard Vivian Houston | Director | 9 Sept 1997 | 28 Jun 2005 | British | 72 years |
| Richard Hodgson | Director | 20 Jan 2006 | 26 Jun 2008 | British | 58 years |
| Robert Rolph Baldrey | Director | 27 Oct 2014 | 13 Apr 2016 | British | 62 years |
| Robert Rolph Baldrey | Director | 30 Oct 2014 | 30 Oct 2014 | British | 62 years |
| Simon Richard Moate | Director | 14 Jul 2008 | 16 Dec 2014 | British | 64 years |
| Stephen Thomas Avery | Director | 22 Oct 1998 | 12 Jan 2004 | British | 69 years |
| Timothy Geoffrey Brettell | Director | 9 May 1991 | 12 Jan 2004 | British | 74 years |
| Yvonne Pauline Fowen | Secretary | 1 Apr 1992 | 30 Sept 2004 | British | - |