| Charles Connaughton Quinn | Director | 30 Apr 1998 | 28 Jun 2017 | British | 74 years |
| David Charles Jackson | Director | 6 Mar 2024 | 31 Aug 2024 | British | 60 years |
| James Allan Cheetham | Director | 16 Mar 1998 | 3 Sept 2012 | British | 72 years |
| James Allan Cheetham | Secretary | 16 Mar 1998 | 23 Aug 2007 | British | - |
| John Carruthers Scott | Director | 23 Aug 2007 | 8 Mar 2010 | British | 55 years |
| John Charles Knust | Director | 12 Sept 1994 | 16 Mar 1998 | British | 81 years |
| John Charles Knust | Secretary | 12 Sept 1994 | 16 Mar 1998 | British | - |
| John Pollock Quinn | Director | 16 Mar 1998 | 29 Aug 2008 | British | 74 years |
| Leslie Henry Thomas Lovell | Director | 12 Sept 1994 | 16 Mar 1998 | British | 84 years |
| Leslie Henry Thomas Lovell | Director | 16 Mar 1998 | 31 May 2007 | British | 84 years |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 5 Aug 1994 | 12 Sept 1994 | United Kingdom | - |
| Norman Robert Scott | Director | 23 Aug 2007 | 6 Mar 2024 | British | 58 years |
| Norman Robert Scott | Secretary | 23 Aug 2007 | 6 Mar 2024 | British | - |
| Paul Docherty | Director | 1 Oct 2013 | 13 May 2015 | British | 56 years |
| Paul Philip Kilbride | Director | 6 Mar 2024 | 7 Feb 2025 | British | 63 years |
| Peter Muir | Director | 12 Sept 1994 | 31 Jan 1998 | British | 71 years |
| Robert Sayles | Director | 1 Apr 2016 | 6 Mar 2024 | British | 57 years |
| Robert William Maclean | Director | 28 Sept 2011 | 6 Mar 2024 | British | 51 years |
| Tracy Jayne Trotter | Director | 14 Dec 2007 | 6 Mar 2024 | British | 51 years |
| Vindex Limited | Corporate Nominee Director | 5 Aug 1994 | 12 Sept 1994 | United Kingdom | - |
| Vindex Services Limited | Corporate Nominee Director | 5 Aug 1994 | 12 Sept 1994 | United Kingdom | - |
| Wesley William Shah | Director | 16 Mar 1998 | 31 May 1999 | British | 72 years |
| William Ross Marshall | Director | 12 Sept 1994 | 16 Mar 1998 | British | 82 years |
| William Ross Marshall | Director | 16 Mar 1998 | 31 May 2001 | British | 82 years |