| Andrew Littler | Director | 21 May 1996 | 28 Aug 1997 | British | 72 years |
| Arcodirect Limited | Corporate Director | 20 Dec 2001 | 1 Sept 2008 | United Kingdom | - |
| Arcosec Limited | Corporate Secretary | 20 Dec 2001 | 2 Apr 2007 | United Kingdom | - |
| Benjamin John Guyatt | Director | 1 Sept 2008 | 1 Jun 2011 | British | 51 years |
| Christian Leclercq | Director | 1 Sept 2008 | 31 Mar 2010 | Belgian | 61 years |
| David Glyn Woolley | Director | 28 Aug 1997 | 20 Dec 2001 | British | 69 years |
| David Jonathan Clarke | Director | 1 Jun 2011 | 1 Dec 2016 | British | 52 years |
| David Plumb | Secretary | 1 Nov 1995 | 20 Dec 2001 | British | - |
| David Terence Jones | Director | 27 Feb 1992 | 3 Mar 2001 | British | 90 years |
| George Steele | Director | 24 Jun 1991 | 27 Feb 1992 | British | 113 years |
| Graham Dransfield | Director | 2 Apr 2007 | 30 Jun 2008 | British | 75 years |
| Graham Dransfield | Secretary | 10 Dec 2007 | 30 Jun 2008 | British | - |
| Guy Charles Kennaway | Director | 5 Jul 1993 | 26 Jun 1997 | British | 69 years |
| James Harold Donaldson Rankin | Director | 21 May 1996 | 8 Apr 1999 | British | 71 years |
| Jeremy Peter John Speller | Director | 24 Jun 1991 | 8 Apr 1999 | British | 80 years |
| John Draper | Director | 24 Jun 1991 | 27 Feb 1992 | British | 85 years |
| Martin Shaun Lee Lee-browne | Director | 24 Jun 1991 | 30 Sept 1995 | British | 95 years |
| Mary St Joan Howard Vereker | Director | 24 Jun 1991 | 5 Jul 1993 | British | 96 years |
| Paul Derek Tunnacliffe | Secretary | 2 Apr 2007 | 10 Dec 2007 | British | - |
| Paul Matthew White | Director | 12 May 1995 | 9 Aug 1995 | British | 64 years |
| Paul Matthew White | Secretary | 24 Jun 1991 | 9 Aug 1995 | British | - |
| Peter Hugh Lawless | Director | 27 Feb 1992 | 20 Dec 2001 | British | 82 years |
| Peter John Smith | Director | 27 Feb 1992 | 31 Dec 1999 | British | 89 years |
| Richard Edward Howard Edmonds | Director | 24 Jun 1991 | 8 Apr 1999 | British | 101 years |
| Richard Robert Gimmler | Director | 1 Sept 2008 | 30 Dec 2009 | British | 59 years |
| Roger Thomas Virley Tyson | Secretary | 31 Jul 2008 | 10 Mar 2016 | British | - |
| Rupert Vereker | Director | 28 Aug 1997 | 8 Apr 1999 | British | 69 years |
| Seyda Pirinccioglu | Director | 19 Jul 2010 | 31 Aug 2013 | Turkish | 55 years |
| Terence Robert Last | Director | 24 Jun 1991 | 9 Jan 1995 | British | 76 years |