| Alan Charles Lovell | Director | 20 Aug 2018 | 29 Jun 2019 | British | 73 years |
| Andrew Latham Nelson | Director | 15 Apr 2010 | 23 Dec 2010 | British | 67 years |
| Asif Ghafoor | Director | 15 Apr 2010 | 21 Feb 2018 | British | 56 years |
| Christopher Charles Webster | Director | 2 Nov 2009 | 11 Apr 2010 | British | 68 years |
| Christopher Victor Fenton | Director | 15 Apr 2010 | 23 Dec 2010 | British | 64 years |
| David Joyce | Director | 11 Nov 2014 | 12 Aug 2015 | British | 49 years |
| David Joyce | Director | 12 Aug 2015 | 6 Dec 2017 | British | 49 years |
| Geoffrey Allan Jackson | Director | 23 Dec 2010 | 10 Nov 2014 | British | 72 years |
| Gershon Daniel Cohen | Director | 12 Aug 2015 | 6 Dec 2017 | British | 62 years |
| John Gerard Connelly | Director | 12 Jul 2010 | 29 Jun 2019 | British | 66 years |
| Katherine Anne Louise Pearman | Director | 21 Feb 2018 | 29 Jun 2019 | British | 65 years |
| Keith Cottrell | Director | 2 Nov 2009 | 30 Jun 2013 | British | 71 years |
| Martin Channon | Director | 15 Apr 2010 | 4 Apr 2011 | British | 69 years |
| Mohammed Sameer Amin | Director | 6 May 2010 | 14 Apr 2011 | British | 53 years |
| Nicholas Giles Burley Parker | Director | 23 Dec 2010 | 4 May 2018 | British | 57 years |
| Nicola Covington | Director | 13 Nov 2012 | 11 Nov 2014 | British | 49 years |
| Richard Daniel Knight | Director | 21 Nov 2013 | 4 May 2018 | British | 52 years |
| Sherard Secretariat Services Limited | Corporate Secretary | 2 Nov 2009 | 29 Jun 2019 | United Kingdom | - |
| Sion Laurence Jones | Director | 10 Nov 2014 | 7 Sept 2022 | English | 52 years |
| William James Haughey | Director | 6 May 2010 | 12 Aug 2015 | British | 52 years |
| Yann Charles Ottenwaelder | Director | 14 Apr 2011 | 19 Dec 2013 | French | 45 years |