| Adrian James Henry Ewer | Director | 8 Dec 1998 | 28 Jul 1999 | British | 72 years |
| Andrew Stephen Annesley Vachell | Director | 22 Dec 2015 | 22 Dec 2016 | British | 51 years |
| Anne Catherine Ramsay | Secretary | 1 Dec 2010 | 22 Dec 2015 | - | - |
| Anthony Alec Swift | Secretary | 1 Jan 2003 | 30 Nov 2010 | Other | - |
| Anthony Charles Roper | Director | 8 Dec 1998 | 18 Oct 2001 | British | 65 years |
| Anthony Charles Roper | Director | 18 Oct 2001 | 18 Oct 2001 | British | 65 years |
| Antony Richard Gates | Director | 21 Sept 2007 | 1 Oct 2009 | British | 58 years |
| Asset Management Solutions Limited | Corporate Secretary | 15 Mar 2001 | 31 Dec 2002 | United Kingdom | - |
| Colin Antony Browne | Director | 27 Sept 2012 | 22 Dec 2015 | British | 68 years |
| David Jon Rushton | Director | 15 Mar 2004 | 1 Oct 2008 | British | 61 years |
| David Jon Rushton | Director | 16 Jul 2014 | 11 May 2017 | British | 61 years |
| David Richard Bradbury | Director | 29 Mar 2012 | 30 Apr 2019 | British | 56 years |
| Derek Potts | Director | 18 Oct 2001 | 1 Oct 2008 | British | 67 years |
| Edward Graham Barron | Director | 8 Dec 1998 | 5 Nov 2001 | British | 80 years |
| Edward Graham Barron | Director | 5 Nov 2001 | 30 Jun 2003 | British | 80 years |
| Florence Marie Francoise Barras | Director | 28 Jul 1999 | 18 Oct 2001 | British,french | 61 years |
| Geoffrey Wyn Williams | Director | 20 Jul 1998 | 8 Dec 1998 | British | 81 years |
| Graham Farley | Director | 8 Jun 2009 | 15 Aug 2013 | British | 76 years |
| Hannah Gilbey | Director | 1 Dec 2002 | 2 Dec 2003 | British | 54 years |
| Jane Elizabeth Mackreth | Secretary | 1 Dec 2010 | 22 Dec 2015 | - | - |
| Johannes Petrus Heemelaar | Director | 11 May 2017 | 30 Apr 2019 | Dutch | 69 years |
| John Mcdonagh | Director | 2 Dec 2003 | 11 Mar 2005 | British | 56 years |
| John Philip George | Secretary | 31 Mar 1999 | 15 Mar 2001 | British | - |
| John Stuart Rushton | Director | 22 May 2002 | 1 Dec 2002 | British | 81 years |
| John Whittington | Director | 8 Dec 1998 | 3 May 2000 | British | 65 years |
| Keith Cottrell | Director | 8 Dec 1998 | 5 Mar 2001 | British | 70 years |
| Martyn Andrew Trodd | Director | 15 Aug 2013 | 22 Dec 2015 | British | 58 years |
| Michael John Mercer-deadman | Director | 12 Mar 2001 | 29 Mar 2012 | British | 79 years |
| Natasha Rouse | Director | 21 Apr 2021 | 30 Sept 2022 | British | 52 years |
| Neil Smith | Director | 1 Oct 2008 | 16 Jul 2014 | British | 78 years |
| Nicholas Cobbett Dawson | Director | 8 Dec 1998 | 5 Nov 2001 | British | 70 years |
| Nigel Paul Taylor | Director | 1 Oct 2009 | 1 Dec 2010 | British | 56 years |
| Peter Geoffrey Shell | Secretary | 24 Apr 2002 | 24 Feb 2003 | British | - |
| Peter James Dawson | Director | 11 Mar 2005 | 21 Sept 2007 | British | 55 years |
| Philip Jonathan Northfield | Director | 1 Dec 2010 | 27 Sept 2012 | British | 60 years |
| Philip Naylor | Secretary | 22 Dec 2015 | 30 Nov 2016 | - | - |
| Richard Charles Turner | Director | 27 Feb 2004 | 8 Jun 2009 | British | 58 years |
| Richard Gregory Curtis | Secretary | 20 Jul 1998 | 2 Mar 2001 | British | - |
| Roger Keith Miller | Secretary | 15 Mar 2001 | 24 Apr 2002 | British | - |
| Sally Ann Brooks | Director | 3 May 2000 | 5 Mar 2001 | British | 59 years |
| Sally Ann Brooks | Secretary | 8 Dec 1998 | 31 Mar 1999 | British | - |
| Stuart Nigel Jones | Director | 30 Jun 2003 | 27 Feb 2004 | British | 71 years |
| Teresa Sarah Hedges | Secretary | 30 Nov 2016 | 17 Sept 2018 | - | - |