| Andrew Nash | Director | 2 Nov 2016 | 22 Jan 2025 | British | 68 years |
| Andrew Slough | Director | 1 May 2014 | 4 Jul 2018 | British | 65 years |
| Andrew Wolff | Director | 30 Aug 2007 | 26 Oct 2007 | American | 55 years |
| Barcosec Limited | Corporate Secretary | 30 Aug 2007 | 7 Nov 2007 | United Kingdom | - |
| Brechje Hendrica Okker | Director | 3 Feb 2021 | 31 Jan 2025 | Dutch | 48 years |
| Bryan Leitch | Director | 5 Jun 2013 | 1 May 2014 | British | 65 years |
| Caroline Louise Macinnes | Director | 7 Jun 2017 | 18 May 2018 | British | 47 years |
| Caroline Wallis | Director | 4 Jul 2018 | 5 May 2021 | British | 49 years |
| Christine Smith | Director | 6 Jun 2018 | 3 Feb 2021 | British | 53 years |
| Christopher Martin Rachlin | Director | 31 Oct 2007 | 31 Dec 2008 | American | 64 years |
| Colin Anthony Painter | Director | 20 Nov 2008 | 14 Sept 2011 | British | 74 years |
| Colin Jack Klipin | Director | 25 Oct 2007 | 31 Dec 2008 | American | 79 years |
| Diana Maria Clarkson | Director | 2 Nov 2009 | 18 Apr 2013 | British | 70 years |
| Edward Joseph Norton | Director | 2 Dec 2015 | 1 Sept 2018 | British | 64 years |
| Emanuele Vignoli | Director | 5 Sept 2018 | 25 Apr 2022 | British,italian | 54 years |
| Geoffrey Francis Smith | Director | 25 Oct 2007 | 25 Feb 2011 | British | 71 years |
| Hannah Elizabeth Shepherd | Secretary | 22 Apr 2010 | 13 Jul 2012 | - | - |
| Ian Anderson Smith | Director | 1 Oct 2011 | 7 Sept 2016 | British | 77 years |
| James Craig Jackson | Director | 21 Nov 2007 | 1 Oct 2009 | British | 64 years |
| Jonathan Trevor Anderson | Director | 31 Dec 2008 | 11 Jan 2011 | British | 70 years |
| Julian Richard Charles Drake | Director | 4 Mar 2015 | 7 Jun 2017 | British | 53 years |
| Lynne Ann Atkin | Director | 4 Sept 2013 | 7 Jun 2017 | British | 60 years |
| Mark Gibbins | Director | 19 Jan 2011 | 30 Apr 2014 | British | 54 years |
| Mary Margaret Mcintosh | Director | 7 Jun 2017 | 1 Nov 2019 | British | 52 years |
| Matthew Owen Rees | Director | 5 May 2021 | 1 Apr 2022 | British | 41 years |
| Pauline Louise Mcquillan | Secretary | 7 Nov 2007 | 14 Jul 2008 | British | - |
| Peter Nicholas Frost | Director | 22 Apr 2010 | 30 Apr 2012 | British | 60 years |
| Philip Leslie Vaughan | Director | 1 Jun 2011 | 30 Sept 2024 | British | 61 years |
| Pinsent Masons Secretarial Limited | Corporate Secretary | 13 Jul 2012 | 30 Jul 2019 | United Kingdom | - |
| Rebecca Anne James | Director | 4 Mar 2020 | 30 Sept 2025 | British | 56 years |
| Richard Philip Jones | Director | 14 Sept 2011 | 7 Dec 2011 | British | 60 years |
| Robert Hawthorn | Director | 30 Apr 2014 | 4 Mar 2015 | British | 63 years |
| Robert Hugh Musgrove | Secretary | 14 Jul 2008 | 22 Apr 2010 | British | - |
| Robert Hugh Musgrove | Secretary | 14 Jul 2008 | 22 Apr 2010 | British | - |
| Robert Sharpe | Director | 20 Dec 2007 | 31 Aug 2011 | British | 76 years |
| Samuel James Large | Director | 31 Oct 2007 | 20 Nov 2008 | Irish | 71 years |
| Sarah Margaret Brown | Director | 9 Mar 2011 | 6 Sept 2017 | British | 62 years |
| Steven Craig Roberts | Director | 31 Dec 2008 | 22 Apr 2010 | British | 63 years |
| Steven Craig Roberts | Director | 30 Apr 2012 | 4 Sept 2013 | British | 63 years |
| Susan Elizabeth Evennett | Director | 31 Oct 2007 | 31 Jan 2010 | British | 62 years |
| Timothy Hugh Fitzpatrick | Director | 7 Dec 2011 | 13 Nov 2015 | British | 66 years |
| William James Abbott | Director | 25 Apr 2022 | 1 Aug 2025 | British | 40 years |
