| Alan Campbell Ritchie | Director | 11 Apr 2007 | 14 Oct 2009 | British | 58 years |
| Alastair John Campbell | Director | 29 Mar 2011 | 1 Aug 2013 | British | 56 years |
| Amit Rishi Jaysukh Thakrar | Director | 29 Jan 2019 | 15 Mar 2021 | British | 38 years |
| Christopher Loraine Spencer | Director | 11 Apr 2007 | 3 Jun 2009 | British | 70 years |
| Daniel Marinus Maria Vermeer | Director | 24 Apr 2018 | 29 Jan 2019 | Dutch | 44 years |
| David James Swarbrick | Director | 1 Jan 2015 | 19 May 2015 | British | 59 years |
| David John Lewis | Director | 1 Aug 2013 | 22 Jan 2014 | British | 58 years |
| Fabio D'alonzo | Director | 19 May 2015 | 17 Mar 2016 | Italian | 49 years |
| Glenn Sinclair Pearce | Director | 15 Mar 2021 | 19 Jun 2025 | British | 53 years |
| Guilherme Carvalho | Director | 23 Apr 2009 | 22 Feb 2011 | Brazilian | 50 years |
| Jamie Pritchard | Director | 25 Feb 2010 | 22 Feb 2011 | British | 54 years |
| John Stephen Gordon | Director | 25 Feb 2010 | 1 Jan 2015 | British | 63 years |
| John Wrinn | Director | 19 Nov 2021 | 24 Jan 2024 | British | 63 years |
| Kirsty O'brien | Director | 17 Mar 2016 | 22 Nov 2024 | British | 43 years |
| Lisa Marie Thomson | Director | 22 Jan 2014 | 19 May 2015 | British | 49 years |
| Louis Javier Falero | Director | 22 Feb 2011 | 19 Aug 2016 | British | 48 years |
| Mark Geoffrey David Holden | Director | 11 Apr 2007 | 25 Feb 2010 | British | 68 years |
| Matthew James Edwards | Director | 17 Mar 2017 | 19 Nov 2021 | British | 40 years |
| Michael Joseph Ryan | Director | 11 Apr 2007 | 19 Mar 2009 | Irish | 59 years |
| Peter John Sheldrake | Director | 19 May 2015 | 24 Apr 2018 | British | 66 years |
| Reynard Nominees Limited | Corporate Nominee Director | 26 Mar 2007 | 11 Apr 2007 | United Kingdom | - |
| Tm Company Services Limited | Corporate Nominee Director | 26 Mar 2007 | 11 Apr 2007 | United Kingdom | - |
| Tm Company Services Limited | Corporate Nominee Secretary | 26 Mar 2007 | 4 Sept 2015 | United Kingdom | - |
