| Alasdair Christopher Gillies | Director | 20 Jul 2001 | 15 May 2013 | British | 68 years |
| Amanda Louise Knott | Secretary | 12 Jul 2007 | 19 Jul 2013 | British | - |
| Andrew John Smart | Secretary | 28 Aug 1991 | 26 Mar 1996 | British | - |
| Ann Claire Blundell | Secretary | 19 Jul 2013 | 10 Feb 2014 | - | - |
| Christopher Staples | Director | 18 Apr 2000 | 15 Nov 2007 | British | 62 years |
| Corina Katherine Ross | Secretary | 23 Jun 2011 | 19 Jul 2013 | British | - |
| Derek Richard Woodward | Secretary | 31 May 1999 | 31 Aug 2001 | British | - |
| Gail Anne Read | Director | 28 Aug 1991 | 26 Mar 1996 | British | 80 years |
| Helen Frances Leigh Rogers | Secretary | 14 Jul 2008 | 2 Dec 2011 | British | - |
| Ian Nicholas Lovett | Director | 26 Mar 1996 | 19 Jul 2013 | British | 82 years |
| Ian Ritchie | Secretary | 25 Jun 2012 | 10 Feb 2014 | British | - |
| James Anthony Wiltshire | Secretary | 16 Jan 1998 | 31 May 1999 | British | - |
| James Douglas Sutherland | Director | 19 Jul 2013 | 20 Oct 2017 | British | 52 years |
| Jayne Michelle Meacham | Secretary | 12 Jul 2007 | 2 May 2008 | British | - |
| John Baxter Bickell | Director | 22 Oct 1996 | 18 Apr 2000 | British | 81 years |
| Jonathan Vaughan-williams | Director | 25 Mar 2014 | 28 Apr 2017 | British | 59 years |
| Lily Olisa Holding | Secretary | 28 Jul 2004 | 23 Jun 2005 | British | - |
| Mbc Nominees Limited | Corporate Nominee Director | 8 Aug 1991 | 28 Aug 1991 | United Kingdom | - |
| Mbc Secretaries Limited | Corporate Nominee Secretary | 8 Aug 1991 | 28 Aug 1991 | United Kingdom | - |
| Neil James Evans | Director | 19 Jul 2013 | 25 Mar 2014 | British | 69 years |
| Nigel Lowe | Secretary | 23 Jun 2005 | 12 Jul 2007 | British | - |
| Peter Charles Howe | Secretary | 26 Mar 1996 | 16 Jan 1998 | British | - |
| Peter Charles Howe | Secretary | 4 Sept 2001 | 28 Jul 2004 | British | - |
| Phil Andrew Hodkinson | Director | 13 Jun 2000 | 14 Aug 2001 | British | 68 years |
| Philip Smith | Director | 28 Aug 1991 | 4 Nov 1996 | British | 79 years |
| Timothy Paul Culling | Director | 11 Dec 2007 | 19 Jul 2013 | British | 65 years |
| Victoria Louise De Temple | Director | 13 Nov 2017 | 1 May 2018 | British | 48 years |
