| Amy Charlotte Bone | Director | 28 Nov 2016 | 13 Mar 2018 | British | 43 years |
| Andrew Hulme | Director | 13 Mar 2018 | 18 Dec 2021 | British | 46 years |
| Andrew John Lattaney Peake | Secretary | 14 Nov 2002 | 30 Apr 2003 | British | - |
| Arthur Russell Leaker | Director | 3 Nov 2006 | 12 Nov 2008 | Scottish | 72 years |
| Barrie John William Lambie | Director | 22 Jan 2003 | 22 Feb 2006 | British | 66 years |
| Chettleburgh's Limited | Corporate Nominee Director | 8 Nov 2002 | 14 Nov 2002 | United Kingdom | - |
| Chettleburghs Secretarial Ltd | Corporate Nominee Secretary | 8 Nov 2002 | 14 Nov 2002 | - | - |
| Christopher Mackintosh Ireland | Director | 14 Nov 2002 | 9 May 2008 | British | 69 years |
| David Christopher Gow | Director | 16 Oct 2009 | 2 Feb 2013 | British | 56 years |
| Fergal James O'reilly | Director | 1 Dec 2003 | 22 Apr 2008 | Irish | 55 years |
| Fiona Jane Gibson | Director | 8 Jan 2016 | 25 Nov 2016 | British | 51 years |
| Gary James Yardley | Director | 14 Nov 2002 | 30 Apr 2007 | British | 61 years |
| Jonathan Charles Nigel Digges | Director | 2 Feb 2013 | 23 Dec 2015 | British | 56 years |
| Karen Margaret Bothwell | Director | 22 Feb 2006 | 28 Jun 2011 | British | 64 years |
| Louis Clarke Ferrie | Director | 22 Jan 2003 | 3 Nov 2006 | British | 71 years |
| Mary Jane Brouwers | Director | 22 Jan 2003 | 3 Nov 2006 | British | 63 years |
| Philip Brailsford Marsden | Director | 14 Nov 2002 | 1 Mar 2016 | British | 67 years |
| Robert Ian Freer | Director | 4 Jun 2013 | 8 Jan 2016 | British | 62 years |
| Simon Alexander Farquhar Bailey | Secretary | 30 Apr 2003 | 2 Dec 2011 | British | - |
| Stephen Alexander Campbell | Director | 3 Nov 2006 | 1 Sept 2008 | British | 61 years |
| Stuart Iain Ferguson | Director | 28 Jun 2011 | 4 Jun 2013 | British | 51 years |