| A G Secretarial Limited | Corporate Secretary | 16 Oct 2003 | 26 Apr 2004 | United Kingdom | - |
| Adrian James Hill | Director | 29 May 2024 | 30 Sept 2024 | British | 52 years |
| Alan Peter Fordyce | Director | 26 Apr 2004 | 9 Apr 2015 | British | 59 years |
| Andrew Mark Gate | Director | 14 Nov 2013 | 31 Jul 2015 | British | 59 years |
| Christopher Hambling Reed | Director | 1 Nov 2006 | 1 Apr 2013 | British | 70 years |
| Colin Howell | Director | 26 Apr 2004 | 30 Jul 2004 | British | 63 years |
| Elliot Cardno Robertson | Director | 1 Feb 2021 | 29 May 2024 | British | 53 years |
| Gary Martin Steven | Director | 1 Jul 2021 | 28 Sept 2022 | British | 49 years |
| Iain Michael Betham | Director | 1 Sept 2015 | 31 Aug 2025 | British | 59 years |
| Infrastructure Managers Limited | Corporate Secretary | 1 Jun 2016 | 1 Jul 2022 | United Kingdom | - |
| Inhoco Formations Limited | Corporate Nominee Director | 16 Oct 2003 | 26 Apr 2004 | United Kingdom | - |
| James Band | Secretary | 9 Apr 2015 | 1 Jun 2016 | - | - |
| James Mcintyre | Director | 21 Mar 2012 | 27 Sept 2013 | British | 66 years |
| John James Edward King | Director | 1 Feb 2016 | 25 Mar 2019 | British | 64 years |
| John Mcdonagh | Director | 11 Nov 2013 | 1 Nov 2015 | British | 57 years |
| John Stephen Gordon | Director | 1 Nov 2015 | 29 Jan 2024 | British | 64 years |
| Joseph Eugene Philipsz | Director | 2 Jun 2014 | 1 Jun 2015 | British,irish | 59 years |
| Marc Christopher Bennet Ritchie | Director | 25 Mar 2019 | 18 Dec 2020 | British | 57 years |
| Mark Day | Director | 31 Dec 2010 | 7 Oct 2013 | British | 61 years |
| Mark James Thurston | Director | 2 Aug 2022 | 18 Aug 2023 | British | 61 years |
| Martin Paul Rooney | Director | 7 Oct 2013 | 1 Aug 2015 | British | 50 years |
| Michelle Frances Percy | Director | 24 Sept 2018 | 14 Aug 2025 | British | 58 years |
| Nafees Arif | Director | 20 Oct 2021 | 17 Jan 2024 | British | 53 years |
| Neil Geoffrey Ward | Director | 2 Oct 2015 | 16 Sept 2016 | British | 67 years |
| Neil St Clair Mccormick | Director | 25 Mar 2019 | 18 Dec 2020 | British | 59 years |
| Pamela Mcdougall | Director | 26 Apr 2004 | 31 Oct 2006 | British | 69 years |
| Paul Phillip Campbell Stewart | Director | 20 Nov 2023 | 13 Jun 2025 | British | 48 years |
| Peter Kenneth Johnstone | Director | 26 Apr 2004 | 27 Sept 2013 | British | 61 years |
| Peter Kenneth Johnstone | Director | 1 Nov 2022 | 30 Jun 2023 | British | 61 years |
| Peter Kenneth Johnstone | Secretary | 26 Apr 2004 | 30 Apr 2015 | British | - |
| Peter Leslie Garland | Director | 30 Jul 2004 | 31 Dec 2010 | British | 80 years |
| Resolis Limited | Corporate Director | 1 Jul 2022 | 15 Jul 2022 | United Kingdom | - |
| Richard John Coates | Director | 16 Sept 2016 | 1 Oct 2021 | British | 60 years |
| Richard William Francis Burge | Director | 9 Apr 2015 | 5 Sept 2017 | British | 67 years |
| Richard William Francis Burge | Director | 14 Dec 2018 | 2 May 2019 | British | 67 years |
| Rory William Christie | Director | 5 Sept 2017 | 14 Dec 2018 | British | 68 years |
| Rory William Christie | Director | 2 May 2019 | 1 Jul 2021 | British | 68 years |
| Sarah Anne Raper | Director | 1 Aug 2015 | 6 Oct 2015 | British | 62 years |
| Sebert Leslie Cox Obe | Director | 26 Jul 2004 | 5 Mar 2009 | British | 76 years |
| William George Robertson | Director | 26 Apr 2004 | 21 Mar 2012 | British | 81 years |