| Alexandra Jane Hardwicke | Director | 11 May 2017 | 23 Mar 2018 | British | 47 years |
| Andrew Stephen Pearson | Director | 23 Sept 2010 | 2 Oct 2012 | British | 61 years |
| Carl Harvey Dix | Director | 2 Oct 2012 | 19 Jan 2016 | British | 59 years |
| Carl Harvey Dix | Director | 2 Jun 2017 | 30 Apr 2018 | British | 59 years |
| Christopher James | Director | 2 Sept 2009 | 17 Jan 2012 | British | 57 years |
| Daniel Marinus Maria Vermeer | Director | 30 Apr 2019 | 17 Sept 2020 | Dutch | 44 years |
| David Jon Rushton | Director | 4 Nov 2009 | 23 Sept 2010 | British | 61 years |
| David Richard Bradbury | Director | 2 Sept 2009 | 4 Nov 2009 | British | 56 years |
| David Richard Bradbury | Director | 1 Mar 2011 | 30 Apr 2019 | British | 56 years |
| James Michael Norris Rutland | Director | 17 Jan 2012 | 10 Feb 2016 | British | 48 years |
| James Robert Olding | Director | 19 Jan 2016 | 2 Jun 2017 | British | 36 years |
| Jennifer Kathryn Fegan | Director | 23 Mar 2018 | 25 Jun 2019 | British | 52 years |
| John Wrinn | Director | 1 Mar 2010 | 23 Feb 2015 | British | 63 years |
| Kashif Rahuf | Director | 25 Jun 2019 | 26 Aug 2022 | British | 47 years |
| Katherine Mary Rae | Director | 1 Dec 2015 | 25 Jun 2019 | British | 45 years |
| Keerthana Sivanathan | Director | 30 Apr 2018 | 30 Apr 2019 | British | 37 years |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Michael John Mercer-deadman | Director | 2 Sept 2009 | 1 Mar 2011 | British | 79 years |
| Nicholas Anthony Doherty | Director | 2 Sept 2009 | 1 Mar 2010 | British | 60 years |
| Paul Alan Bannister | Director | 23 Feb 2015 | 25 Jun 2019 | United Kingdom | 66 years |
| Paul Sydney Shadbolt | Director | 15 Aug 2018 | 25 Jun 2019 | British | 68 years |
| Philip Naylor | Secretary | 4 Sept 2015 | 30 Nov 2016 | - | - |
| Roger Keith Miller | Secretary | 2 Sept 2009 | 27 Sept 2012 | British | - |
| Teresa Sarah Hedges | Secretary | 30 Nov 2016 | 17 Sept 2018 | - | - |
| Vercity Management Services Limited | Corporate Secretary | 17 Sept 2018 | 19 Jan 2022 | United Kingdom | - |
