| Andrew Crawshaw | Director | 22 Sept 2008 | 9 Jun 2010 | British | 60 years |
| Biif Corporate Services Limited | Corporate Director | 25 Oct 2012 | 25 Jan 2016 | United Kingdom | - |
| Bill Mcnaught | Director | 17 Jul 2007 | 22 Sept 2008 | British | 81 years |
| Diana Jane Harris | Director | 17 Jul 2007 | 18 Dec 2008 | British | 67 years |
| Graham Baldock | Director | 9 Jun 2010 | 31 Mar 2020 | British | 68 years |
| Hackwood Directors Limited | Corporate Nominee Director | 17 May 2007 | 17 Jul 2007 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 17 May 2007 | 17 Jul 2007 | United Kingdom | - |
| John Mcdonagh | Director | 17 Jul 2007 | 8 May 2009 | British | 57 years |
| Matthias Alexander Reicherter | Director | 8 May 2009 | 30 Sept 2011 | German | 56 years |
| Nigel Wythen Middleton | Director | 8 May 2009 | 25 Oct 2012 | British | 70 years |
| Peter John Sheldrake | Director | 29 Jun 2018 | 14 Nov 2023 | British | 67 years |
| Philip Peter Ashbrook | Director | 25 Jul 2014 | 29 Jun 2018 | British | 66 years |
| Richard David Hoile | Director | 25 Oct 2012 | 25 Jul 2014 | British | 63 years |
| Serco Corporate Services Limited | Corporate Secretary | 17 Jul 2007 | 9 Jan 2014 | United Kingdom | - |
| Thomas Justin Haga | Director | 27 Oct 2011 | 25 Oct 2012 | British | 50 years |