| Alexander Hughes Honeyman | Director | 13 Feb 2020 | 31 Dec 2021 | British | 66 years |
| Alexandra Leta Malone | Director | 1 Apr 2022 | 7 Jul 2025 | British | 43 years |
| Alyson Margaret Clark | Director | 5 Jun 2003 | 30 Dec 2008 | British | 68 years |
| Anderson Strathern | Corporate Secretary | 1 Feb 2006 | 25 Jul 2007 | - | - |
| Anderson Strathern Ws | Corporate Nominee Secretary | 5 Mar 2003 | 9 Jun 2003 | - | - |
| Annant Shah | Director | 15 Sept 2021 | 24 Jul 2023 | British | 44 years |
| Barry O'regan | Director | 20 May 2011 | 17 Jul 2012 | Irish | 49 years |
| Barry O'regan | Director | 13 Feb 2020 | 17 Jul 2023 | Irish | 49 years |
| Bruce Michael Amos Heppenstall | Director | 16 Dec 2008 | 30 Dec 2008 | British | 56 years |
| Caoimhe Mary Giblin | Director | 28 Jul 2010 | 22 Sept 2014 | Irish | 50 years |
| Colin Clarke Nicol | Director | 19 Mar 2013 | 12 Dec 2014 | British | 66 years |
| Daniel Mark Pearson | Director | 21 Mar 2023 | 21 Oct 2025 | British | 50 years |
| David Gardner | Director | 14 Oct 2011 | 12 Oct 2012 | British | 63 years |
| Donal Francis Flynn | Director | 13 Jan 2009 | 28 Jul 2010 | Irish | 53 years |
| Elaine Harley | Director | 13 Feb 2020 | 2 Oct 2023 | British | 57 years |
| Finlay Alexander Mccutcheon | Director | 13 Feb 2020 | 31 Dec 2020 | British | 49 years |
| Finlay Alexander Mccutcheon | Director | 1 Apr 2022 | 17 May 2024 | British | 49 years |
| Fraser Mcgregor Alexander | Director | 13 Jan 2009 | 14 Oct 2011 | British | 63 years |
| Herman Jules Philomena Busschots | Director | 5 Jun 2003 | 19 Jun 2008 | Belgian | 71 years |
| James Isaac Smith | Director | 19 Mar 2013 | 1 Feb 2022 | British | 64 years |
| Jeremy Williamson | Director | 1 Jan 2016 | 1 Apr 2022 | British | 60 years |
| John Andrew Morgan | Director | 6 Mar 2003 | 13 Jan 2009 | British | 62 years |
| John Anthony Downes | Director | 13 Feb 2020 | 1 Apr 2022 | British | 56 years |
| John Neilson Kerr | Nominee Director | 5 Mar 2003 | 6 Mar 2003 | British | 70 years |
| Kate Johanna Wallace Lockhart | Director | 3 Mar 2025 | 19 Sept 2025 | British | 35 years |
| Lawrence John Vincent Donnelly | Secretary | 13 Jan 2009 | 1 Dec 2014 | British | - |
| Macfarlane Gray | Corporate Secretary | 9 Jun 2003 | 1 Jan 2006 | - | - |
| Md Secretaries Limited | Corporate Secretary | 25 Jul 2007 | 13 Jan 2009 | United Kingdom | - |
| Pamela Walsh | Director | 19 Mar 2013 | 24 Oct 2014 | Irish | 60 years |
| Paul Gerald Cooley | Director | 13 Feb 2020 | 27 Aug 2025 | Irish | 55 years |
| Paul Richard Smith | Director | 19 Mar 2013 | 31 May 2016 | British | 63 years |
| Peter Symons Donaldson | Director | 19 Mar 2013 | 31 Dec 2015 | British | 65 years |
| Robert John Forrest | Director | 6 Mar 2003 | 6 Nov 2009 | British | 62 years |
| Robert John Forrest | Secretary | 1 Jan 2006 | 1 Feb 2006 | British | - |
| Sally Fairbairn | Secretary | 1 Dec 2014 | 7 Aug 2019 | - | - |
| Simon Thomas David Brown | Director | 5 Mar 2003 | 6 Mar 2003 | British | 66 years |