| Alistair Fleming | Director | 27 Jul 2000 | 5 Feb 2001 | British | 81 years |
| Anthony Donnelly | Director | 27 Jul 2000 | 22 Jan 2001 | British | 61 years |
| Brian James Leith | Director | 27 Jul 2000 | 30 Sept 2002 | British | 79 years |
| Carole Jean Cran | Director | 3 Jan 2018 | 8 Nov 2024 | British | 55 years |
| Charles Graham Hammond | Director | 5 Feb 2001 | 30 Jun 2024 | British | 64 years |
| David Charles Turner | Secretary | 19 Aug 2002 | 26 Sept 2003 | Other | - |
| David Iain Logue | Director | 21 Oct 2002 | 26 Sept 2003 | British | 67 years |
| Ewan William Mackay | Director | 27 Jul 2000 | 26 Sept 2003 | British | 63 years |
| Jacqueline Elizabeth Fox | Secretary | 2 Apr 2001 | 17 May 2002 | British | - |
| John Alan Tothill | Secretary | 26 Sept 2003 | 15 Mar 2005 | British | - |
| John Morrison | Secretary | 27 Jul 2000 | 14 Jun 2001 | British | - |
| Morag Mcneill | Secretary | 15 Mar 2005 | 31 Aug 2012 | British | - |
| Nathan James Thompson | Director | 11 May 2006 | 12 May 2011 | British | 61 years |
| Queensferry Formations Limited | Corporate Nominee Director | 29 Jun 2000 | 27 Jul 2000 | United Kingdom | - |
| Queensferry Registrations Limited | Corporate Nominee Director | 29 Jun 2000 | 27 Jul 2000 | United Kingdom | - |
| Queensferry Secretaries Limited | Corporate Nominee Secretary | 29 Jun 2000 | 27 Jul 2000 | United Kingdom | - |
| Seamus Joseph Gillen | Secretary | 17 May 2002 | 19 Aug 2002 | British | - |
| Steven Allenby | Director | 16 Oct 2002 | 26 Sept 2003 | British | 62 years |
| Stuart Randall Paterson | Director | 6 Apr 2011 | 3 Jan 2018 | British | 67 years |
| Terence Patrick Smith | Director | 27 Jul 2000 | 3 May 2006 | British | 78 years |
| William Wilson Murray | Director | 27 Jul 2000 | 6 May 2011 | British | 74 years |