| Alastair Forbes Blyth | Director | 21 Oct 2002 | 2 Aug 2004 | British | 68 years |
| Anthony Donnelly | Director | 25 Sept 1998 | 5 Oct 2000 | British | 62 years |
| Brian James Leith | Director | 25 Sept 1998 | 30 Sept 2002 | British | 80 years |
| David Charles Turner | Secretary | 19 Aug 2002 | 1 Jul 2005 | Other | - |
| David Iain Logue | Director | 21 Oct 2002 | 15 Mar 2005 | British | 68 years |
| Derek Mcdonald | Director | 15 Dec 2000 | 21 Nov 2003 | British | 59 years |
| Douglas Alister Middleton | Director | 15 Dec 2000 | 21 Nov 2003 | British | 57 years |
| Elizabeth Ann Horlock Clarke | Secretary | 1 Apr 2015 | 22 May 2020 | - | - |
| Ewan William Mackay | Director | 5 Oct 2000 | 31 Jan 2005 | British | 64 years |
| Geoffrey Arthur George Shepheard | Secretary | 23 Aug 2004 | 31 Mar 2015 | British | - |
| Gordon William Robb | Director | 25 Sept 1998 | 15 Dec 2000 | British | 79 years |
| Graeme Hutchison | Director | 25 Sept 1998 | 21 Nov 2003 | British | 66 years |
| Jacqueline Elizabeth Fox | Secretary | 8 Dec 2000 | 17 May 2002 | British | - |
| Jane Kathleen Russell | Director | 1 Oct 2001 | 23 Jan 2002 | British | 55 years |
| John Morrison | Secretary | 25 Sept 1998 | 14 Jun 2001 | British | - |
| Nigel Edmund Pacey | Director | 9 Sept 2010 | 22 May 2020 | British | 69 years |
| Philip Talbot | Director | 23 Jan 2002 | 2 Aug 2002 | British | 60 years |
| Queensferry Formations Limited | Corporate Nominee Director | 23 Apr 1998 | 25 Sept 1998 | United Kingdom | - |
| Queensferry Registrations Limited | Corporate Nominee Director | 23 Apr 1998 | 25 Sept 1998 | United Kingdom | - |
| Queensferry Secretaries Limited | Corporate Nominee Secretary | 23 Apr 1998 | 25 Sept 1998 | United Kingdom | - |
| Seamus Joseph Gillen | Secretary | 17 May 2002 | 19 Aug 2002 | British | - |