| Andrew Jonathan Olie | Director | 6 Mar 2002 | 13 May 2006 | British | 58 years |
| Andrew Michael David Kirkman | Director | 1 Apr 2011 | 18 Sept 2015 | British | 54 years |
| Anthony Challis | Director | 20 Dec 1991 | 5 Mar 1996 | British | 105 years |
| Anthony Paul Hollox | Director | 14 Jul 2003 | 13 May 2006 | British | 60 years |
| Anthony Paul Hollox | Secretary | 14 Jul 2003 | 13 May 2006 | British | - |
| Barrie Sidney Hurley | Director | 13 May 2006 | 31 Dec 2011 | British | 75 years |
| Chris Clarke | Director | 29 Jun 2001 | 17 Jun 2002 | British | 85 years |
| Christopher Paul Richards | Secretary | 5 Apr 2007 | 5 May 2008 | British | - |
| Curzon Corporate Secretaries Limited | Corporate Secretary | 11 Apr 2003 | 14 Jul 2003 | United Kingdom | - |
| David Balfour Robertson | Director | 13 May 2006 | 31 Mar 2011 | British | 72 years |
| David Joseph Bass | Director | 20 Dec 1991 | 13 May 2006 | British | 81 years |
| Derek Timmins | Director | 20 Dec 1991 | 31 Dec 2001 | British | 82 years |
| Elliot Arthur James Rees | Director | 31 Jul 2015 | 12 Oct 2020 | British | 52 years |
| Helen Patricia Barrett-hague | Secretary | 25 Mar 2016 | 22 Nov 2018 | - | - |
| John Ernest Elsom Sharpe | Director | 17 Jun 2002 | 13 May 2006 | British | 87 years |
| John Richard Cardwell | Director | 13 May 2006 | 31 Oct 2006 | British | 82 years |
| Julian Turner Davidson | Director | 20 Dec 1991 | 1 Oct 1992 | British | 63 years |
| Karen Senior | Secretary | 1 Nov 2014 | 8 Jul 2020 | - | - |
| Kenneth David Woodier | Secretary | 13 Mar 2012 | 25 Mar 2016 | British | - |
| Kevin Michael Bradshaw | Director | 12 Oct 2020 | 31 Mar 2022 | British | 57 years |
| Lyndi Margaret Hughes | Secretary | 9 Jul 2020 | 31 Mar 2022 | - | - |
| Malcolm James Cotton | Director | 1 Jan 1997 | 13 May 2006 | British | 87 years |
| Margaret Lilian Heeley | Secretary | 13 May 2006 | 5 Apr 2007 | British | - |
| Margaret Lilian Heeley | Secretary | 5 May 2008 | 28 Jul 2014 | British | - |
| Mark Burrows Smith | Director | 1 Oct 2012 | 30 Jun 2015 | British | 59 years |
| Martin Hewson Thornton | Director | 23 Jul 1991 | 20 Dec 1991 | British | 76 years |
| Martin Hewson Thornton | Secretary | 23 Jul 1991 | 20 Dec 1991 | British | - |
| Michael Hellings | Director | 13 May 2006 | 30 Sept 2012 | British | 75 years |
| Neil Michael Pringle | Director | 23 Jul 1991 | 20 Dec 1991 | British | 78 years |
| Nicholas William Maddock | Director | 12 Oct 2020 | 31 Mar 2022 | British | 55 years |
| Nicholas William Maddock | Director | 12 Oct 2020 | 12 Oct 2020 | British | 57 years |
| Phillip Charles Piddington | Director | 31 Jul 2015 | 12 Oct 2020 | British | 70 years |
| Ralph Brabant Clark | Director | 3 Jun 1993 | 29 Jun 2001 | British | 100 years |
| Richard Cyril Zmuda | Secretary | 13 Mar 2012 | 30 Nov 2016 | British | - |
| Scott Edward Massie | Secretary | 22 Nov 2018 | 8 Jul 2020 | - | - |
| Simon Anthony Follett Pugsley | Secretary | 22 Nov 2018 | 8 Jul 2020 | - | - |
| Simran Singh Dhillon | Director | 22 Oct 2024 | 5 Mar 2025 | British | 30 years |
| Susan Ellen Corlett | Director | 20 Dec 1991 | 11 Apr 2003 | British | 73 years |
| Susan Ellen Corlett | Secretary | 20 Dec 1991 | 11 Apr 2003 | British | - |