| Andrew Christopher Ward | Director | 19 Apr 2018 | 31 Mar 2021 | British | 59 years |
| Christopher Owen Milson | Director | 15 Sept 2003 | 22 Oct 2004 | British | 76 years |
| Christopher Smith | Secretary | 1 Mar 1999 | 30 Dec 2000 | British | - |
| Damien Keaney | Director | 8 Jun 2016 | 19 Apr 2018 | Irish | 51 years |
| David Holcroft | Director | 3 Apr 1997 | 21 Sept 2004 | British | 80 years |
| David Martin Dalton-brown | Director | 13 Sept 2010 | 31 Mar 2013 | British | 67 years |
| David Simpson | Director | 11 Jun 2008 | 19 Aug 2010 | British | 57 years |
| Hackwood Directors Limited | Corporate Nominee Director | 11 Sept 1996 | 3 Apr 1997 | United Kingdom | - |
| Hackwood Secretaries Limited | Corporate Nominee Secretary | 11 Sept 1996 | 3 Apr 1997 | United Kingdom | - |
| Iain David Smith | Director | 1 Jul 1998 | 31 Mar 2003 | British | 74 years |
| Ian William Poston | Director | 3 Apr 1997 | 11 Mar 2002 | British | 71 years |
| James Alexander Pitkin | Director | 26 Nov 2020 | 25 Oct 2024 | British | 41 years |
| James Edward Fane De Salis | Director | 1 Dec 2010 | 26 Oct 2015 | British | 59 years |
| James Nicholas Abraham | Director | 1 Mar 2013 | 23 Jun 2016 | British | 60 years |
| Jeffrey Lincoln Northwood | Director | 8 Jan 2013 | 3 Jul 2014 | British | 56 years |
| John Edmund Brosnan | Director | 11 Jun 2008 | 1 Dec 2010 | United States | 67 years |
| John Hudson Bushell | Director | 3 Apr 1997 | 7 Jul 1997 | British | 85 years |
| John Philip Hine | Director | 15 Sept 2003 | 17 Jun 2005 | British | 69 years |
| Jonathan Mortimer Wilkins | Secretary | 3 Apr 1997 | 1 Mar 1999 | British | - |
| Julia Ruth Hoskins | Director | 19 Apr 2018 | 31 Mar 2024 | British | 64 years |
| Lynne Margaret Peacock | Director | 3 Apr 1997 | 7 Jul 1997 | British | 73 years |
| Marc Robert Andrew Bulstrode | Director | 25 Apr 2006 | 11 Jun 2008 | British | 58 years |
| Paul Michael Riley | Director | 15 Sept 2003 | 31 Aug 2004 | British | 69 years |
| Paul Robert Pashley | Director | 28 Jul 2005 | 24 Oct 2005 | British | 67 years |
| Rebecca Lynne Vincent | Director | 7 Oct 2011 | 31 Oct 2012 | British | 49 years |
| Robert Charles Hubert Jeens | Director | 3 Apr 1997 | 30 Jun 1999 | British | 73 years |
| Simon Filippo Di Marino | Director | 8 Jun 2016 | 19 Apr 2018 | British | 48 years |
| Steven Craig Roberts | Director | 14 Oct 2004 | 25 Apr 2006 | British | 64 years |
| Susan Barbara Stanhope Homersham | Director | 3 Apr 1997 | 7 Jul 1997 | British | 83 years |
| Susan Clare Sjuve | Director | 3 Apr 1997 | 7 Jul 1997 | British | 71 years |
| Thomas Alan Wild | Director | 7 Jul 1997 | 30 Jun 1998 | British | 76 years |
| Warren Radden | Director | 1 Dec 2010 | 11 Aug 2011 | British | 57 years |