| Alan Westwood | Director | 19 Jan 2005 | 21 Nov 2007 | British | 77 years |
| Andrew Wild | Director | 4 May 2018 | 30 Nov 2022 | British | 56 years |
| Barry James Pilkington | Director | 24 Apr 2017 | 7 Sept 2018 | British | 52 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Nov 2005 | 1 Dec 2008 | - | - |
| Colin John Wood | Director | 22 Nov 2004 | 27 Jan 2006 | British | 72 years |
| Daniel Brian Falls | Director | 19 Jan 2005 | 31 Jul 2007 | British | 70 years |
| David Bates | Director | 22 Mar 2018 | 31 Dec 2021 | British | 66 years |
| David John Spencer | Director | 27 Jan 2006 | 20 Dec 2013 | British | 56 years |
| David Michael Seager | Director | 19 Dec 2017 | 4 Jul 2025 | British | 60 years |
| Gary Donald Young | Director | 10 Jul 2015 | 22 Mar 2018 | British | 65 years |
| Gordon Mark Hurst | Secretary | 22 Nov 2004 | 31 Oct 2005 | British | - |
| Graham Cowley | Director | 22 Nov 2004 | 10 Jul 2015 | British | 67 years |
| Ian Buckley | Director | 30 Jun 2013 | 4 May 2018 | British | 62 years |
| Jim Carew | Director | 31 Jul 2007 | 30 Mar 2012 | British | 67 years |
| John Benjamin Frederick Spink | Director | 30 Nov 2007 | 30 Sept 2011 | British | 72 years |
| Jonathan Mark Prew | Director | 29 Apr 2016 | 23 Aug 2019 | British | 62 years |
| Jonathan Matthew Ellis | Director | 25 Sept 2015 | 27 Mar 2019 | British | 56 years |
| Ken Roy Harland | Director | 19 Jan 2005 | 29 Feb 2008 | British | 78 years |
| Kevin Michael Brady | Director | 28 Oct 2011 | 29 Feb 2012 | British | 70 years |
| Mark Neil Dally | Director | 30 Oct 2019 | 31 Dec 2021 | British | 57 years |
| Martin John Vickers | Director | 28 Sept 2012 | 21 Aug 2013 | British | 61 years |
| Matthew Dominic Fairweather | Director | 7 Sept 2018 | 7 Nov 2019 | British | 47 years |
| Matthew John Burke | Director | 28 Oct 2011 | 10 Jul 2015 | British | 56 years |
| Michael John Greenwood | Director | 23 Aug 2010 | 2 Apr 2015 | British | 79 years |
| Natalie Garfield | Director | 2 Apr 2015 | 19 Dec 2016 | British | 47 years |
| Natalie Garfield | Director | 21 Aug 2023 | 28 Feb 2025 | British | 47 years |
| Neil Thornton | Director | 27 Sept 2013 | 20 Sept 2017 | British | 64 years |
| Paul James Smith | Director | 10 Jul 2015 | 27 Jun 2018 | British | 48 years |
| Phillip David Rowland | Director | 19 Aug 2005 | 16 May 2008 | British | 55 years |
| Richard Justin Starkey | Director | 20 Dec 2013 | 2 Apr 2015 | British | 65 years |
| Richard Justin Starkey | Director | 14 Dec 2016 | 24 Apr 2017 | British | 65 years |
| Richard Melvyn Marchant | Director | 19 Jan 2005 | 8 Mar 2016 | British | 72 years |
| Robert James Gibbon | Director | 27 Apr 2012 | 10 Jul 2015 | British | 63 years |
| Russell Muldoon | Director | 22 Nov 2004 | 8 Jul 2005 | British | 55 years |
| Sarah Louise Brewer | Director | 30 Apr 2019 | 22 Jun 2019 | British | 49 years |
| Stephen Michael Tomkins | Director | 27 Jun 2018 | 14 Nov 2018 | British | 54 years |
| Stephen Walsh | Director | 30 Jan 2009 | 30 Sept 2011 | British | 72 years |
| Timothy Jennings | Director | 5 Aug 2008 | 30 Jun 2013 | British | 62 years |
| William Taylor | Director | 19 Jan 2005 | 31 Oct 2009 | British | 74 years |