| Abdul-latif Issifu | Director | 24 Nov 2021 | 7 Jul 2023 | British | 56 years |
| Akinola Olatunji Okanlawon Amusu | Director | 17 Dec 2024 | 4 Jul 2025 | British | 50 years |
| Antek Stefan Lejk | Director | 25 Apr 2013 | 1 Jul 2015 | British | 68 years |
| Assura Corporate Services Limited | Corporate Secretary | 22 May 2009 | 25 Feb 2010 | - | - |
| Balasingham Ravi Kumar | Director | 8 Oct 2015 | 1 Mar 2022 | British | 51 years |
| Brian John Skinner | Director | 10 Apr 2008 | 30 Nov 2010 | British | 79 years |
| David Booth | Director | 27 Apr 2017 | 23 May 2018 | British | 66 years |
| David Nicholas Sarson | Director | 26 Nov 2008 | 22 Nov 2013 | British | 69 years |
| Gary Paul Naylor | Director | 1 Jan 2019 | 27 Oct 2021 | British | 58 years |
| Inger Maria Hebden | Director | 27 Jul 2009 | 31 Mar 2013 | British | 69 years |
| James Raymond Bawn | Director | 2 Oct 2013 | 1 Jul 2015 | British | 50 years |
| James Thomas Lloyd | Director | 27 Oct 2021 | 7 Jul 2025 | British | 36 years |
| Jamie Russell Andrews | Director | 1 Jul 2015 | 8 Oct 2015 | British | 56 years |
| John Edward Haan | Director | 20 Feb 2014 | 22 Feb 2016 | British | 48 years |
| Julian Denzil Sutcliffe | Director | 6 Aug 2020 | 30 Aug 2023 | British | 58 years |
| Kathryn Mary Coley | Secretary | 26 Nov 2007 | 9 Mar 2009 | British | - |
| Kevin John Liles | Director | 26 Nov 2008 | 29 Jul 2009 | British | 75 years |
| Mark Alexander Swindall | Director | 22 Jul 2009 | 22 Nov 2013 | British | 69 years |
| Mohammad Adnan Arshad | Director | 10 Apr 2008 | 6 Jun 2008 | British | 56 years |
| Neil Terence Mcelduff | Director | 30 Nov 2010 | 2 Oct 2013 | British | 65 years |
| Pamela Ann Hobbs | Director | 8 Sept 2011 | 31 Mar 2013 | British | 66 years |
| Peter John Sheldrake | Director | 20 Feb 2014 | 23 May 2018 | British | 67 years |
| Richard Tom Cresswell | Director | 6 Jun 2008 | 23 Nov 2010 | British | 79 years |
| Robert Deans | Director | 20 Jan 2009 | 8 Sept 2011 | British | 67 years |
| Roger David Simons | Director | 10 Apr 2008 | 21 Jul 2009 | British | 59 years |
| Rosemary Lucy Jude Deeley | Director | 22 Feb 2016 | 6 Aug 2020 | British | 42 years |
| Sarah Jane Beswick | Director | 22 Aug 2012 | 6 Feb 2014 | British | 49 years |
| Sarah Jane Stacey | Director | 23 May 2018 | 1 Jan 2019 | British | 49 years |
| Simon Christopher Waters | Director | 1 Mar 2022 | 17 Dec 2024 | British | 54 years |
| Simon David Acklam | Director | 10 Apr 2008 | 27 Apr 2017 | British | 68 years |
| Stuart Lionel Gavurin | Director | 26 Nov 2007 | 10 Apr 2008 | British | 90 years |
| Thomas Eggar Secretaries Limited | Corporate Secretary | 1 Apr 2010 | 25 Jul 2011 | United Kingdom | - |
