| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 8 Oct 2004 | 3 Nov 2004 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 8 Oct 2004 | 3 Nov 2004 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 8 Oct 2004 | 3 Nov 2004 | - | - |
| Andrew David Banks | Director | 17 Dec 2004 | 6 Aug 2008 | British | 70 years |
| Andrew Philip Holland | Secretary | 1 Mar 2021 | 3 Sept 2021 | - | - |
| Antony John Walters | Director | 20 Apr 2010 | 23 Oct 2013 | British | 59 years |
| Balasingham Ravi Kumar | Director | 6 Aug 2008 | 30 Jun 2014 | British | 51 years |
| Brian Mervyn Semple | Director | 6 Aug 2008 | 1 Jun 2009 | British | 80 years |
| Bruce Layland Walker | Director | 12 Sept 2008 | 20 Apr 2010 | British | 61 years |
| Bruce Warren Dalgleish | Director | 1 Jun 2009 | 31 Mar 2012 | British | 59 years |
| Carolyn Jane Pollard | Secretary | 30 Oct 2015 | 3 Dec 2018 | - | - |
| Christopher Elliott | Director | 3 Nov 2004 | 31 Dec 2012 | British | 69 years |
| Daniel Peter Bevan | Secretary | 3 Dec 2018 | 1 Mar 2021 | - | - |
| David John Morice Hartshorne | Director | 27 May 2010 | 27 Feb 2015 | British | 72 years |
| David Richard Jones | Director | 3 Oct 2013 | 24 Jan 2014 | British | 56 years |
| Gareth Lawrence Chapman | Director | 31 Mar 2014 | 1 Apr 2017 | British | 60 years |
| Georgina Claire Brown | Secretary | 3 Sept 2021 | 7 Oct 2024 | - | - |
| Giles James Frost | Director | 3 Nov 2004 | 2 Oct 2013 | British | 64 years |
| Hugh Luke Blaney | Director | 10 Sept 2005 | 12 Sept 2008 | Irish | 63 years |
| James Andrew John Hathaway | Director | 5 Aug 2014 | 17 Jun 2020 | British | 49 years |
| Jonathan Holmes | Director | 12 Sept 2008 | 1 Aug 2013 | British | 58 years |
| Judith Carlyon Phillips | Secretary | 28 Jun 2013 | 30 Oct 2015 | - | - |
| Michael Ferrand Adam | Director | 3 Nov 2004 | 10 Sept 2005 | British | 58 years |
| Paul Edward Brand | Director | 27 Feb 2015 | 8 Nov 2017 | British | 59 years |
| Phillip James Thorne | Director | 1 Apr 2017 | 4 Nov 2019 | British | 65 years |
| Richard Darch | Director | 23 Oct 2013 | 30 Jun 2014 | British | 65 years |
| Richard Darch | Director | 8 Nov 2017 | 6 Sept 2022 | British | 65 years |
| Robert John Taylor | Director | 6 Aug 2008 | 31 Mar 2014 | British | 69 years |
| Roger Andrew Davies | Secretary | 3 Nov 2004 | 28 Jun 2013 | British | - |
| Stephen Gregory Minion | Director | 27 Jun 2020 | 1 Nov 2022 | British | 80 years |