| Aja Pymble-ward | Director | 10 Jun 2022 | 3 Nov 2022 | Australian | 38 years |
| Alan Keith Gander | Director | 1 Feb 2010 | 31 Jan 2019 | British | 73 years |
| Arthur David Walford | Director | 9 Oct 2008 | 31 Mar 2010 | British | 81 years |
| Biren Amin | Director | 1 Sept 2013 | 31 May 2014 | British | 62 years |
| Capita Company Secretarial Services Limited | Corporate Secretary | 1 Sept 2013 | 28 Aug 2015 | United Kingdom | - |
| Clifford Harrison | Director | 24 Apr 2000 | 3 Sept 2006 | British | 78 years |
| Derek Kingston | Director | 22 Sept 1999 | 12 Dec 2008 | British | 89 years |
| Douglas Charles Robert Chalmers | Director | 22 Sept 1999 | 18 Feb 2003 | British | 78 years |
| Douglas Charles Robert Chalmers | Director | 4 Mar 2006 | 30 Jun 2016 | British | 78 years |
| Elma Pearson Morris | Director | 1 Feb 2019 | 31 Mar 2023 | British | 69 years |
| Graeme Marshall Roy | Director | 5 Apr 2006 | 30 Sept 2007 | British | 69 years |
| Graham Anthony Thomas | Director | 1 Feb 2010 | 31 May 2013 | British | 79 years |
| Iain John Roden | Director | 1 Feb 2014 | 10 Jun 2022 | British | 74 years |
| Janet Hannah Kidner | Director | 2 Nov 2015 | 6 Nov 2020 | British | 45 years |
| John Huxley Fordyce Anderson | Director | 22 Sept 1999 | 17 Jul 2000 | British | 81 years |
| John Mccloy | Director | 1 Jan 2001 | 3 Sept 2006 | British | 87 years |
| Jonathan Charles Murrin | Director | 16 Nov 2021 | 19 Dec 2022 | British | 57 years |
| Lisa Veronica Gledhill | Director | 1 Jul 2012 | 31 Aug 2015 | British | 55 years |
| Lisa White | Director | 1 Oct 2007 | 18 May 2012 | British | 60 years |
| Louise Nicola Bramble | Director | 1 Apr 2023 | 31 Dec 2024 | British | 45 years |
| Mahesh Venkat | Director | 21 Apr 2023 | 31 Dec 2024 | Australian | 34 years |
| Mark Timbs | Director | 23 Feb 2017 | 29 Sept 2023 | Irish | 52 years |
| Michael John Temple | Director | 1 Aug 2000 | 17 Mar 2004 | British | 79 years |
| Michelle Ann Burvill | Director | 7 Jun 2016 | 26 Oct 2018 | British | 57 years |
| Peter John Jacobs | Director | 17 Mar 2004 | 8 Mar 2006 | English | 70 years |
| Peter Roy Chadwick | Secretary | 20 Mar 2000 | 12 Mar 2004 | British | - |
| Richard Charles Shaw | Director | 1 Feb 2019 | 14 Feb 2024 | British | 60 years |
| Robin Graham Caven | Director | 18 Feb 2003 | 31 Jul 2009 | British | 65 years |
| Roger Stanley Mabey | Director | 24 Apr 2000 | 3 Sept 2003 | British | 82 years |
| Roy Bentley | Director | 3 Sept 2003 | 31 Jan 2010 | British | 79 years |
| Simon William De Mussenden Leathes | Director | 22 Sept 1999 | 1 Jan 2001 | British | 78 years |
| Susan Folger | Secretary | 22 Sept 1999 | 14 Jan 2000 | British | - |
| Thanalakshmi Janandran | Secretary | 12 Mar 2004 | 16 Aug 2013 | British | - |
| Thomas Edward Spilsted | Director | 1 Feb 2010 | 17 May 2013 | British | 69 years |
| William John Vivian Whitehead | Director | 1 Jan 2011 | 30 Jun 2018 | British | 70 years |