| Archibald Anderson Bethel | Director | 10 Aug 2009 | 19 Sept 2016 | British | 73 years |
| Craig Lockhart | Director | 31 Mar 2006 | 30 Aug 2012 | British | 59 years |
| D.w. Company Services Limited | Corporate Nominee Secretary | 14 Jun 2001 | 7 Aug 2001 | United Kingdom | - |
| D.w. Director 1 Limited | Corporate Nominee Director | 14 Jun 2001 | 7 Aug 2001 | United Kingdom | - |
| D.w. Director 2 Limited | Corporate Nominee Director | 14 Jun 2001 | 7 Aug 2001 | - | - |
| Dominic John Kieran | Director | 12 Nov 2021 | 30 Nov 2023 | British | 52 years |
| Franco Martinelli | Director | 8 Jan 2008 | 25 May 2016 | British | 66 years |
| Gary Lambert | Director | 25 May 2016 | 4 Dec 2018 | British | 60 years |
| Gavin Michael Leckie | Director | 21 Aug 2018 | 17 Mar 2020 | British | 58 years |
| Iain Stuart Urquhart | Director | 27 Aug 2010 | 31 May 2022 | British | 61 years |
| James Mark Dixon | Director | 18 Apr 2008 | 30 Aug 2012 | British | 64 years |
| John Anthony Donaldson | Director | 7 May 2002 | 12 Jan 2004 | British | 59 years |
| John David Taylor Greig | Secretary | 7 Aug 2001 | 1 Jun 2014 | Other | - |
| John Wallace Howie | Director | 7 Aug 2001 | 10 Aug 2009 | British | 59 years |
| John Wallace Howie | Director | 30 Aug 2012 | 15 Nov 2019 | British | 59 years |
| Julia Mary Wood | Secretary | 1 Jun 2014 | 15 Nov 2019 | - | - |
| Kenneth Malcolm Douglas | Director | 30 Jan 2004 | 18 Apr 2008 | British | 56 years |
| Kenneth Malcolm Douglas | Director | 17 Mar 2020 | 24 Dec 2023 | British | 56 years |
| Lindsay Holmes Brown | Director | 21 Aug 2018 | 25 Apr 2024 | British | 63 years |
| Malcolm Joseph Brown | Director | 7 May 2002 | 31 Mar 2006 | British | 81 years |
| Nicholas James William Borrett | Secretary | 27 Jul 2012 | 25 Feb 2013 | - | - |
| Peter Lloyd Rogers | Director | 4 Aug 2004 | 1 Oct 2012 | British | 79 years |
| Peter Orrill Merriman | Director | 30 Aug 2012 | 6 Aug 2018 | British | 67 years |
| Shaun Doherty | Director | 31 May 2022 | 30 Sept 2024 | British | 58 years |
| Simon Christopher Bowen | Director | 15 Nov 2019 | 12 Nov 2021 | British | 66 years |
| Simon Foster | Director | 25 May 2016 | 2 Jul 2018 | British | 60 years |
| Stanley Alan Royall Billiald | Director | 8 Jan 2008 | 27 Aug 2010 | Other | 82 years |
| Stanley Alan Royall Billiald | Secretary | 1 Nov 2004 | 1 Jul 2009 | Other | - |
| Valerie Francine Anne Teller | Secretary | 1 Jul 2009 | 27 Jul 2012 | British | - |
| William Tame | Director | 8 Jan 2008 | 1 Oct 2012 | British | 72 years |
