| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 19 Dec 2003 | 16 Aug 2004 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 19 Dec 2003 | 16 Aug 2004 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 19 Dec 2003 | 16 Aug 2004 | - | - |
| Andrew Philip Holland | Secretary | 1 Mar 2021 | 3 Sept 2021 | - | - |
| Angus John Kennedy | Director | 13 Mar 2008 | 31 Dec 2010 | British | 74 years |
| Balasingham Ravi Kumar | Director | 1 Jan 2012 | 30 Jun 2014 | British | 51 years |
| Carolyn Jane Pollard | Secretary | 30 Oct 2015 | 3 Dec 2018 | - | - |
| Christopher Charles Renfrew | Director | 3 May 2007 | 28 Nov 2007 | British | 68 years |
| Christopher Michael Fountain | Director | 8 Mar 2007 | 3 May 2007 | British | 69 years |
| Claire Louise Norton | Director | 18 May 2011 | 31 Mar 2013 | British | 48 years |
| Claire Louise Skidmore | Director | 26 Jul 2013 | 31 May 2017 | English | 48 years |
| Daniel Peter Bevan | Secretary | 3 Dec 2018 | 1 Mar 2021 | - | - |
| David John Morice Hartshorne | Director | 29 Jan 2009 | 31 Dec 2011 | British | 72 years |
| David John Morice Hartshorne | Director | 3 Oct 2013 | 27 Feb 2015 | British | 72 years |
| David Richard Jones | Director | 14 Oct 2011 | 24 Jan 2014 | British | 56 years |
| Emma Louise Pearson | Director | 6 Nov 2007 | 6 May 2011 | British | 54 years |
| Emma Louise Pearson | Secretary | 6 Nov 2007 | 6 Nov 2007 | British | - |
| Eugene Martin Prinsloo | Director | 8 Dec 2023 | 4 Apr 2025 | British | 55 years |
| George Francis Reynolds | Director | 10 Nov 2004 | 21 Sept 2005 | British | 77 years |
| George Hart Tainsh | Director | 6 Jan 2005 | 13 Mar 2008 | British | 79 years |
| Georgina Claire Brown | Secretary | 6 Sept 2021 | 7 Oct 2024 | - | - |
| Giles James Frost | Director | 16 Aug 2004 | 5 Jan 2005 | British | 64 years |
| Glenn James Richer | Director | 10 Nov 2004 | 6 Jan 2005 | British | 68 years |
| Gregory Markham | Director | 6 May 2011 | 25 Jul 2012 | British | 58 years |
| James Neil Gilchrist Thomson | Director | 6 Jan 2005 | 10 Mar 2007 | British | 77 years |
| Judith Carlyon Phillips | Secretary | 28 Jun 2013 | 30 Oct 2015 | - | - |
| Julian Rainsford | Director | 14 Oct 2011 | 31 Mar 2013 | British | 67 years |
| Mark William Grinonneau | Director | 31 Dec 2011 | 30 Sept 2013 | British | 56 years |
| Mark William Grinonneau | Director | 18 Jun 2015 | 20 Nov 2023 | British | 56 years |
| Matthew Graham Hartland | Director | 1 Jan 2018 | 30 Aug 2024 | British | 55 years |
| Michael Ferrand Adam | Director | 16 Aug 2004 | 10 Sept 2005 | British | 58 years |
| Neil Charles Nisbet | Director | 4 Oct 2005 | 21 Apr 2011 | British | 63 years |
| Paul Simon Andrews | Director | 13 Dec 2005 | 14 Oct 2011 | British | 56 years |
| Paul Spencer Green | Director | 13 Mar 2008 | 31 Dec 2011 | British | 57 years |
| Peter Charles Russell Latchford | Director | 6 Jan 2005 | 18 Apr 2012 | British | 62 years |
| Richard Darch | Director | 10 Oct 2013 | 30 Jun 2014 | British | 65 years |
| Richard Darch | Director | 22 Nov 2017 | 21 Jun 2022 | British | 65 years |
| Richard Edward Lubbock Warner | Director | 11 Sept 2008 | 22 Dec 2008 | British | 74 years |
| Richard Edward Lubbock Warner | Director | 27 Feb 2015 | 22 Nov 2017 | British | 74 years |
| Robert John Taylor | Director | 16 Aug 2004 | 31 Jan 2008 | British | 69 years |
| Roger Andrew Davies | Secretary | 25 Oct 2004 | 28 Jun 2013 | British | - |
| Sandra Margaret Major | Secretary | 16 Aug 2004 | 25 Oct 2004 | British | - |
| Sarah Anne Raper | Director | 17 Nov 2010 | 23 Sept 2013 | British | 62 years |
| Simon John Barnes | Director | 23 Sept 2013 | 18 Jun 2015 | British | 58 years |
| William Edward Morris | Director | 25 Nov 2015 | 4 Jul 2016 | British | 46 years |