| Alison Gail Taylor | Director | 29 Oct 2007 | 31 Mar 2013 | British | 56 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 25 Oct 2002 | 27 Feb 2003 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 25 Oct 2002 | 27 Feb 2003 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 25 Oct 2002 | 27 Feb 2003 | - | - |
| Andrew Philip Holland | Secretary | 1 Mar 2021 | 3 Sept 2021 | - | - |
| Anthony Everington | Director | 1 Jul 2013 | 20 Oct 2015 | British | 69 years |
| Balasingham Ravi Kumar | Director | 1 Jan 2012 | 30 Jun 2014 | British | 51 years |
| Carolyn Jane Pollard | Secretary | 30 Oct 2015 | 3 Dec 2018 | - | - |
| Carolyn Louise Botfield | Director | 21 Oct 2019 | 2 May 2023 | British | 43 years |
| Christopher Elliott | Director | 17 Dec 2007 | 11 Feb 2011 | British | 69 years |
| Daniel Peter Bevan | Secretary | 3 Dec 2018 | 1 Mar 2021 | - | - |
| David Francis Stout | Director | 28 May 2003 | 1 Aug 2003 | British | 64 years |
| David John Morice Hartshorne | Director | 28 Jan 2009 | 31 Dec 2011 | British | 72 years |
| David Martin Butcher | Director | 1 Jun 2007 | 24 Oct 2012 | British | 69 years |
| David Richard Jones | Director | 22 Oct 2012 | 24 Jan 2014 | British | 56 years |
| Georgina Claire Brown | Secretary | 3 Sept 2021 | 7 Oct 2024 | - | - |
| Giles James Frost | Director | 27 Feb 2003 | 12 Oct 2012 | British | 64 years |
| Graham Michael Spence | Director | 19 Oct 2010 | 30 May 2014 | British | 65 years |
| Henry Black | Director | 20 Sept 2017 | 29 Aug 2019 | British | 51 years |
| Hugh Luke Blaney | Director | 27 Feb 2003 | 12 Sept 2008 | Irish | 63 years |
| Ian Booth | Director | 28 May 2003 | 26 Jan 2004 | British | 77 years |
| Jamie Russell Andrews | Director | 18 Jun 2015 | 15 Sept 2017 | British | 56 years |
| Jamie Russell Andrews | Director | 25 May 2018 | 8 Nov 2021 | British | 56 years |
| Jamie Russell Andrews | Director | 21 Dec 2021 | 11 Jan 2022 | British | 56 years |
| Judith Carlyon Phillips | Secretary | 28 Jun 2013 | 30 Oct 2015 | - | - |
| Neil Terence Mcelduff | Director | 18 Apr 2013 | 6 Mar 2015 | British | 65 years |
| Nicola Ann Theron | Director | 30 May 2014 | 15 Jun 2015 | British | 64 years |
| Paul Edward Brand | Director | 31 Dec 2011 | 31 Dec 2011 | British | 59 years |
| Paul Edward Brand | Director | 31 Dec 2011 | 23 Oct 2019 | British | 59 years |
| Philippa Dawn Robinson | Director | 11 Jan 2022 | 22 Nov 2024 | New Zealander | 71 years |
| Richard Edward Lubbock Warner | Director | 12 Sept 2008 | 22 Dec 2008 | British | 74 years |
| Richard Keith Baldwin | Director | 26 Jan 2004 | 7 Feb 2007 | British | 82 years |
| Richard Tom Cresswell | Director | 7 Feb 2007 | 29 Nov 2010 | British | 79 years |
| Robert John Taylor | Director | 27 Feb 2003 | 25 Jul 2012 | British | 69 years |
| Roger Andrew Davies | Secretary | 27 Sept 2004 | 28 Jun 2013 | British | - |
| Sandra Margaret Major | Secretary | 29 Aug 2003 | 27 Sept 2004 | British | - |
| Simon Christopher Waters | Director | 29 Nov 2024 | 10 Jul 2025 | British | 54 years |
| Stephen Melvyn Edward Jacobs | Director | 1 Aug 2003 | 31 May 2007 | British | 77 years |
| Steven George Downs | Secretary | 27 Feb 2003 | 29 Aug 2003 | British | - |
| Tom Dobrashian | Director | 15 Sept 2017 | 25 May 2018 | British | 63 years |
| William Edward Morris | Director | 18 Nov 2015 | 4 Jul 2016 | British | 46 years |