| Alexander David Gates | Director | 19 Dec 2018 | 11 Nov 2020 | British | 53 years |
| Andrew Stephen Pearson | Director | 3 Jul 2018 | 14 May 2019 | British | 62 years |
| Anthony Charles Roper | Director | 12 Oct 1999 | 15 Mar 2006 | British | 66 years |
| Anthony John Cahill | Director | 3 Jul 2018 | 18 Dec 2018 | Irish | 45 years |
| Asset Management Solutions Limited | Corporate Secretary | 10 May 2001 | 31 Oct 2002 | United Kingdom | - |
| Carl Harvey Dix | Director | 6 Mar 2012 | 21 Aug 2013 | British | 60 years |
| Danielle Jane Palmer | Director | 23 Jan 2013 | 21 Aug 2013 | British | 46 years |
| David Richard Bradbury | Director | 24 Jan 2012 | 23 Jan 2013 | British | 57 years |
| David Richard Bradbury | Director | 21 Aug 2013 | 3 Jul 2018 | British | 57 years |
| David Richard Bradbury | Director | 14 May 2019 | 29 Apr 2022 | British | 57 years |
| David Richard Bradbury | Director | 14 Oct 2022 | 27 Nov 2023 | British | 57 years |
| Derek Potts | Director | 18 Oct 2001 | 1 Oct 2008 | British | 68 years |
| Florence Marie Francoise Barras | Director | 12 Oct 1999 | 22 Feb 2000 | British,french | 62 years |
| Geoffrey Wyn Williams | Director | 8 Dec 1998 | 12 Oct 1999 | British | 82 years |
| James Robert Olding | Director | 5 Jul 2017 | 3 Jul 2018 | British | 37 years |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Michael John Mercer-deadman | Director | 24 Feb 2000 | 24 Jan 2012 | British | 80 years |
| Michael John Mercer-deadman | Secretary | 5 Feb 2001 | 10 May 2001 | British | - |
| Neil Smith | Director | 1 Oct 2008 | 6 Mar 2012 | British | 79 years |
| Peter Geoffrey Shell | Director | 24 Apr 2001 | 9 Apr 2009 | British | 75 years |
| Peter Geoffrey Shell | Secretary | 12 Apr 2002 | 23 Mar 2007 | British | - |
| Richard Gregory Curtis | Secretary | 8 Dec 1998 | 5 Feb 2001 | British | - |
| Robert James Newton | Director | 29 Apr 2022 | 6 Dec 2024 | British | 70 years |
| Roger Keith Miller | Secretary | 10 May 2001 | 12 Apr 2002 | British | - |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 27 Sept 2012 | British | - |
| Shu Yin Hsueh | Director | 17 Mar 2016 | 31 Aug 2017 | South African | 43 years |
| Stuart Nigel Jones | Director | 12 Oct 1999 | 4 Apr 2001 | British | 72 years |
| Teresa Sarah Hedges | Secretary | 4 Sept 2015 | 17 Sept 2018 | - | - |
| Thomas Daniel Brooks | Director | 21 Aug 2013 | 17 Mar 2016 | British | 41 years |
| Yvonne Anne Dee | Director | 12 Oct 1999 | 4 Apr 2001 | Irish | 61 years |