| Alan Herbert Cherry | Director | 30 Sept 2004 | 23 Jan 2010 | British | 92 years |
| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 25 May 2004 | 30 Sept 2004 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 25 May 2004 | 30 Sept 2004 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 25 May 2004 | 30 Sept 2004 | - | - |
| Amanda Jane Burton | Director | 1 Oct 2014 | 18 Mar 2016 | British | 66 years |
| Andrew Charles Phillip Carr-locke | Director | 19 Apr 2010 | 16 May 2014 | British | 72 years |
| Bruce Smith Anderson | Director | 22 Feb 2005 | 5 Aug 2009 | British | 62 years |
| Daniel Hugh Mcgowan | Director | 20 May 2021 | 1 Jul 2022 | British | 56 years |
| David Howell | Director | 1 Apr 2014 | 18 Mar 2016 | British | 76 years |
| David Simpson | Director | 3 Feb 2014 | 18 Mar 2016 | British | 70 years |
| Earl Sibley | Director | 4 Jan 2023 | 31 Dec 2024 | British | 53 years |
| Federico Carlo Canciani | Director | 16 Apr 2013 | 18 Mar 2016 | British | 49 years |
| Gary Preston Shillinglaw | Secretary | 20 Apr 2005 | 4 Aug 2008 | British | - |
| Gary Whitaker | Secretary | 16 Mar 2015 | 31 Mar 2023 | - | - |
| Graham Stewart Cherry | Director | 30 Sept 2004 | 30 Sept 2019 | British | 66 years |
| Iain Duncan Mcpherson | Director | 19 Nov 2018 | 13 Jan 2022 | British | 52 years |
| Ian Calvert Sutcliffe | Director | 1 Oct 2013 | 31 Dec 2019 | British | 66 years |
| Ian Russell Kelley | Director | 15 May 2017 | 9 Dec 2020 | British | 64 years |
| James Peter Van Steenkiste | Director | 16 Apr 2013 | 18 Mar 2016 | American | 47 years |
| Jeremy Ronald St John Miller | Director | 1 Aug 2010 | 16 Apr 2013 | British | 66 years |
| Joanne Jamieson | Director | 8 Feb 2021 | 31 Mar 2023 | British | 50 years |
| Keith Cushen | Director | 1 Aug 2010 | 16 Apr 2013 | British | 78 years |
| Michael Ian Scott | Director | 1 Oct 2018 | 29 Nov 2021 | British | 48 years |
| Pamela Simone Dickson | Director | 19 May 2005 | 5 Aug 2009 | Scottish | 58 years |
| Philip Andrew Chapman | Director | 2 Mar 2021 | 31 Mar 2023 | British | 57 years |
| Phillip Baverstock Rhodes | Director | 1 Nov 2005 | 21 Sept 2009 | British | 79 years |
| Phillip Victor Lyons | Director | 15 May 2017 | 31 Dec 2022 | British | 61 years |
| Rebecca Jane Worthington | Director | 1 Aug 2015 | 17 Apr 2019 | British | 54 years |
| Richard John Adam | Director | 1 Apr 2015 | 18 Mar 2016 | British | 68 years |
| Richard Stephen Cherry | Director | 30 Sept 2004 | 30 Sept 2017 | British | 64 years |
| Sally Morgan | Director | 1 Oct 2014 | 18 Mar 2016 | British | 66 years |
| Stephen William Curran | Director | 1 Nov 2005 | 20 Jul 2009 | British | 82 years |
| Wendy Elizabeth Colgrave | Director | 30 Sept 2004 | 25 Sept 2015 | British | 60 years |
| Wendy Elizabeth Colgrave | Secretary | 30 Sept 2004 | 20 Apr 2005 | British | - |
| Wendy Elizabeth Colgrave | Secretary | 4 Aug 2008 | 16 Mar 2015 | British | - |