| Alan Harris | Director | 17 Jun 2005 | 19 May 2006 | British | 80 years |
| Caroline Elizabeth Gilpin | Director | 14 Nov 2018 | 6 May 2024 | British | 49 years |
| Christopher David Sweatman | Director | 20 Oct 2006 | 16 Jul 2008 | British | 51 years |
| Elena Giorgiana Wegener | Director | 28 Jan 2021 | 5 Dec 2021 | British | 51 years |
| Gordon Alan Macdougall | Director | 25 Jun 2009 | 30 Nov 2015 | British | 56 years |
| James Marc Ralph Groves-raines | Director | 17 Jun 2005 | 14 Aug 2005 | British | 61 years |
| Jennifer Gascoigne | Director | 28 Jan 2021 | 28 Jan 2021 | British | 48 years |
| Jeremy Hugh Bass | Director | 28 Jan 2021 | 6 May 2024 | British | 65 years |
| Julia Katharine Rhodes | Director | 16 Jul 2008 | 26 Mar 2010 | British | 55 years |
| L&b Secretarial Limited | Corporate Secretary | 13 May 2004 | 17 Jun 2005 | - | - |
| Michael Robert O'neill | Director | 17 Jun 2005 | 28 Jan 2008 | British | 58 years |
| Mitesh Raj Patel | Director | 22 Nov 2018 | 10 Jan 2022 | British | 44 years |
| Paul Martin Mcbride | Director | 13 May 2004 | 17 Jun 2005 | British | 60 years |
| Paul Walker | Director | 16 Jul 2008 | 23 Nov 2010 | British | 54 years |
| Richard John Gray | Director | 13 May 2004 | 17 Jun 2005 | Irish | 60 years |
| Richard Paul Russell | Director | 30 Nov 2015 | 14 Nov 2018 | British | 45 years |
| Robert Ian Harvey | Director | 17 Jun 2005 | 19 May 2006 | British | 73 years |
| Ross Frazer Finlay | Director | 23 Nov 2010 | 30 Aug 2013 | British | 55 years |
| Russell Alan Farnhill | Director | 30 Aug 2013 | 10 Jun 2016 | British | 51 years |
| Stacey Rhian-michelle Jackson | Director | 2 Dec 2019 | 6 May 2024 | British | 39 years |
| Stephen John Tivadar Balint | Director | 20 Oct 2006 | 25 Jun 2009 | British | 72 years |
| Steven William Hughes | Director | 26 Mar 2010 | 28 Nov 2019 | British | 54 years |
| Stuart Patrick Lunn | Director | 28 Jan 2021 | 6 May 2024 | British | 45 years |
| William Benjamin Hopkins | Director | 25 Aug 2005 | 15 May 2007 | British | 58 years |
| William Douglas Wright | Director | 22 Jan 2008 | 25 Jun 2009 | British | 66 years |