| Alan William Mccarthy-wyper | Director | 15 Sept 2010 | 31 Aug 2012 | British | 60 years |
| Anthony Peter Hutchinson | Director | 4 Jan 1999 | 27 Jan 2006 | British | 78 years |
| Bnoms Limited | Corporate Secretary | 1 Jan 2013 | 8 Sept 2015 | United Kingdom | - |
| Brian George Williams | Director | 11 Jul 1991 | 9 Oct 1992 | British | 80 years |
| David Gareth Fison | Director | 24 Dec 1996 | 7 Aug 1998 | British | 74 years |
| David John Young | Director | 11 Jul 1991 | 9 Oct 1992 | British | 82 years |
| Douglas Watt Kilpatrick | Director | 24 Dec 1996 | 30 Sept 1997 | British | 90 years |
| Francis Declan Finbar Tempany Mccormack | Director | 24 Dec 1996 | 1 Feb 2000 | Irish | 71 years |
| Gregory William Mutch | Secretary | 11 Jul 1991 | 19 Nov 1996 | British | - |
| Gunter Martens | Director | 29 Jul 2001 | 31 Oct 2002 | German | 72 years |
| Iain Kenneth Morgan | Director | 27 Jan 2006 | 1 Dec 2007 | British | 68 years |
| James Lionel Cohen | Director | 4 Jan 1999 | 20 May 2002 | British | 84 years |
| Jane Teresa Hudson | Secretary | 1 Jan 2000 | 1 Jan 2013 | British | - |
| John Dunwoodie | Director | 1 Apr 1994 | 24 Dec 1996 | British | 79 years |
| John Keith Hampson | Director | 7 Mar 2007 | 20 Apr 2010 | British | 64 years |
| John Lees Judge | Director | 9 Oct 1992 | 31 Mar 1994 | British | 94 years |
| Mark Antony Birch | Director | 1 May 1998 | 25 Apr 2001 | British | 63 years |
| Mark William Bullock | Director | 3 Sept 2012 | 10 Feb 2021 | British | 63 years |
| Martin Christopher White | Director | 5 Jul 2010 | 18 Feb 2011 | British | 71 years |
| Matthew Richard Steele | Director | 10 Feb 2021 | 31 Mar 2024 | British | 48 years |
| Michael John Colin Milton | Secretary | 19 Nov 1996 | 31 Dec 1999 | British | - |
| Michael Kane Dallas | Secretary | 17 Sept 2015 | 30 Nov 2018 | - | - |
| Nigel Denis Claxton | Director | 7 May 2013 | 16 Dec 2022 | British | 67 years |
| Peter Stuart Anderson | Director | 17 Aug 2009 | 3 Sept 2012 | British | 60 years |
| Peter Stuart Anderson | Director | 11 Jun 2013 | 3 Feb 2017 | British | 60 years |
| Raymond Allan Bond | Director | 24 Dec 1996 | 4 Jan 1999 | British | 63 years |
| Richard Hawthorn Adams | Director | 1 Dec 2007 | 7 Jan 2011 | British | 70 years |
| Robert Alan Jones | Director | 11 Jul 1991 | 31 Oct 1991 | British | 96 years |
| Robert Boulger | Director | 1 May 1998 | 20 Feb 2007 | British | 78 years |
| Robert Ian Maclean | Director | 17 Aug 2009 | 17 Jun 2011 | British | 67 years |
| Robert Lundy | Director | 1 Nov 1991 | 24 Dec 1996 | British | 85 years |
| Roger Kelvyn Elston | Director | 9 Oct 1992 | 1 Aug 1994 | British | 80 years |
| Rory Matthew Mitchell | Director | 29 Jul 2001 | 17 Aug 2009 | British | 65 years |
| Timothy Paul Gorman | Director | 5 Jul 2010 | 7 May 2013 | British | 73 years |