| Alan Campbell Ritchie | Director | 19 Mar 2009 | 14 Oct 2009 | British | 59 years |
| Andrew Andreou | Director | 21 Aug 2006 | 31 Jul 2012 | British | 67 years |
| Andrew David Bruce | Director | 25 Jan 2008 | 31 Oct 2008 | British | 54 years |
| Andrew James Gordon | Director | 24 May 2006 | 31 Dec 2012 | British | 69 years |
| Anita Catherine Gregson | Director | 14 Oct 2009 | 10 Nov 2011 | British | 62 years |
| Biif Corporate Services Limited | Corporate Director | 30 Aug 2011 | 30 Aug 2011 | United Kingdom | - |
| Biif Corporate Services Limited | Corporate Director | 9 Jul 2012 | 5 May 2016 | United Kingdom | - |
| David Fulton Gilmour | Director | 10 Nov 2011 | 9 Nov 2021 | British | 63 years |
| David Geoffrey Lewis | Director | 30 Oct 2017 | 1 Feb 2019 | British | 57 years |
| Hannah Holman | Director | 1 Feb 2019 | 17 Feb 2021 | British | 46 years |
| John Christian Elliot | Director | 21 Aug 2006 | 25 Jan 2008 | British | 74 years |
| John Christian Elliot | Director | 3 Oct 2008 | 31 Mar 2009 | British | 74 years |
| John Ivor Cavill | Director | 5 May 2016 | 15 May 2024 | British | 54 years |
| John Whittington | Director | 16 Jan 2017 | 16 Apr 2021 | Welsh | 66 years |
| John Wrinn | Director | 9 Nov 2021 | 14 Feb 2023 | British | 64 years |
| Karen Anne Miller | Director | 29 Nov 2012 | 17 Jul 2017 | British | 59 years |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 22 Sept 2005 | 15 Aug 2006 | United Kingdom | - |
| Maclay Murray & Spens Llp | Corporate Nominee Secretary | 15 Aug 2006 | 31 Mar 2009 | United Kingdom | - |
| Mark Bentley Jackson | Director | 8 Sept 2015 | 17 Jul 2017 | British | 70 years |
| Paul Simon Thompson | Director | 16 Aug 2012 | 22 May 2015 | British | 57 years |
| Priya Ruth Veerapen | Director | 4 May 2011 | 9 Jul 2012 | Malaysian | 46 years |
| Sally-ann Brooks | Director | 19 Dec 2011 | 30 Oct 2017 | British | 60 years |
| Stuart Nigel Jones | Director | 19 Dec 2011 | 9 Aug 2016 | British | 72 years |
| Vindex Limited | Corporate Nominee Director | 22 Sept 2005 | 24 May 2006 | United Kingdom | - |
| Vindex Services Limited | Corporate Nominee Director | 22 Sept 2005 | 24 May 2006 | United Kingdom | - |
