| Andrew James Timlin | Director | 29 Jun 2020 | 28 May 2021 | British | 49 years |
| Bernard Liautaud | Director | 8 Sept 2008 | 22 May 2012 | French | 64 years |
| Christopher Francis Henry Baker | Director | 14 Nov 2016 | 28 May 2021 | British | 71 years |
| Craig Hilton Rodgerson | Director | 1 Jan 2015 | 14 Nov 2016 | British | 62 years |
| David Alexander Baker | Director | 11 Sept 2006 | 30 Sept 2009 | British | 71 years |
| David Allan Thorpe | Director | 1 Oct 2005 | 29 May 2012 | British | 77 years |
| David Orlando Spencer Harmes | Secretary | 18 Apr 2006 | 14 Jul 2008 | British | - |
| Dennis James Mcshane | Director | 7 Apr 2006 | 14 May 2010 | American | 81 years |
| Edward Garton Woods | Director | 27 Apr 2010 | 29 May 2012 | British | 50 years |
| Greg Jones | Director | 16 Mar 2005 | 27 Apr 2010 | Australian | 73 years |
| Iain Alexander Jamieson | Director | 14 Jul 2008 | 29 May 2012 | British | 60 years |
| Iain Alexander Jamieson | Secretary | 14 Jul 2008 | 29 May 2012 | British | - |
| James Cowan | Director | 26 Jan 2017 | 5 May 2023 | British | 52 years |
| James D'arcy Vincent | Director | 20 Jun 2014 | 1 Jan 2015 | British | 60 years |
| Jamie Leigh Radford | Director | 3 Sept 2015 | 1 Sept 2016 | British | 51 years |
| Jerome Jude Misso | Director | 22 May 2012 | 29 May 2012 | British | 63 years |
| Johan Brenner | Director | 16 Mar 2005 | 8 Sept 2008 | Swedish | 65 years |
| John Stevens | Director | 9 Mar 2005 | 15 Oct 2010 | British | 71 years |
| Michael Patrick Collier | Director | 1 Jan 2015 | 3 Sept 2015 | British | 51 years |
| Nicolas Norman Bedford | Director | 11 Jul 2014 | 1 Jan 2015 | British | 67 years |
| Patrick Adam Charles Fox | Director | 2 Jul 2007 | 27 Apr 2010 | British | 68 years |
| Peter Mark Franklin | Director | 28 Mar 2014 | 11 Jul 2014 | British | 50 years |
| Richard John Shearer | Director | 29 May 2012 | 28 Mar 2014 | British | 62 years |
| Richard Patrick Craven | Director | 29 Jan 2007 | 11 Sept 2009 | British | 59 years |
| Robert Patrick Moores | Director | 16 Mar 2005 | 2 Jul 2007 | British | 64 years |
| Robert Thompson | Director | 9 Mar 2005 | 18 Apr 2006 | British | 69 years |
| Robert Thompson | Secretary | 9 Mar 2005 | 18 Apr 2006 | British | - |
| Sean Alfred Massey | Director | 29 May 2012 | 14 Feb 2013 | British | 56 years |
| Sean Alfred Massey | Director | 1 Jan 2015 | 27 Sept 2017 | British | 56 years |
| Shaun Robert Hopgood | Director | 27 Apr 2006 | 15 Oct 2010 | British | 60 years |
| Simon Charles Chipperfield | Director | 14 Feb 2013 | 20 Jun 2014 | British | 62 years |
| Stefan John Maynard | Director | 1 Jan 2015 | 29 Jun 2020 | British | 54 years |
| Thomas Robert Forster Dunn | Director | 16 Mar 2005 | 29 May 2012 | British | 61 years |
| Travers Smith Limited | Corporate Director | 19 Jan 2005 | 9 Mar 2005 | United Kingdom | - |
| Travers Smith Secretaries Limited | Corporate Director | 19 Jan 2005 | 3 Mar 2005 | United Kingdom | - |
| Travers Smith Secretaries Limited | Corporate Secretary | 19 Jan 2005 | 3 Mar 2005 | United Kingdom | - |
| William Stephen Mcbrinn | Director | 1 Sept 2016 | 28 Feb 2017 | British | 58 years |
| Xavier Andre Bernard Flinois | Director | 1 Oct 2009 | 29 May 2012 | French | 64 years |