| Andrew Aubrey Roberts | Director | 12 Jul 2004 | 31 Jul 2014 | British | 64 years |
| Catherine Anne Guthrie | Director | 11 Mar 2003 | 28 Nov 2004 | British | 62 years |
| Dla Nominees Limited | Corporate Nominee Director | 11 Aug 1997 | 29 Sept 1997 | - | - |
| Dla Secretarial Services Limited | Corporate Nominee Director | 11 Aug 1997 | 29 Sept 1997 | - | - |
| Dla Secretarial Services Limited | Corporate Nominee Secretary | 11 Aug 1997 | 29 Sept 1997 | - | - |
| Edgar Fullagar | Director | 29 Sept 1997 | 23 Apr 2002 | British | 86 years |
| Erica Cassin | Director | 1 Mar 2012 | 31 Dec 2019 | British | 50 years |
| Gillian Patricia Joan Talman | Director | 21 Sept 1998 | 13 Jul 2001 | British | 72 years |
| Graham Ronald Kennedy | Director | 9 Nov 1998 | 31 Dec 2000 | British | 80 years |
| Helen Roberts | Director | 1 Jul 2010 | 15 Jul 2013 | British | 58 years |
| Howard Barnes | Director | 1 Mar 2006 | 6 Aug 2008 | British | 63 years |
| Isabel Matthews | Director | 16 Mar 2009 | 1 Jul 2011 | British | 56 years |
| Jeff Croome | Director | 1 Feb 2001 | 11 Mar 2003 | British | 64 years |
| John Barry Clarkson | Director | 1 Jan 2009 | 1 Jan 2011 | British | 75 years |
| Julie Anne Campbell | Director | 1 Aug 2020 | 21 Jun 2022 | British | 63 years |
| Keith Tasker | Director | 29 Sept 1997 | 17 Jul 2004 | British | 81 years |
| Kenneth James Baird | Director | 29 Sept 1997 | 31 Dec 1999 | British | 93 years |
| Martyn Ward | Director | 1 Sept 2000 | 30 Nov 2003 | British | 70 years |
| Paul Richard Edward Thirkettle | Director | 29 Sept 1997 | 22 Nov 2005 | British | 81 years |
| Paul Richard Edward Thirkettle | Secretary | 29 Sept 1997 | 1 Jan 2001 | British | - |
| Rebecca Anne Weston | Secretary | 20 Nov 2019 | 1 Jan 2021 | - | - |
| Richard Farrar | Secretary | 1 Jan 2001 | 20 Nov 2019 | British | - |
| Richard Metcalfe | Director | 29 Sept 1997 | 13 Jul 2001 | British | 88 years |
| Richard Samuel Cullen | Secretary | 1 Jan 2021 | 20 Jul 2022 | - | - |
| Russell Harold Cory | Director | 1 Sept 2001 | 2 Mar 2012 | British | 68 years |
| Shaun David Loughran | Director | 1 Jun 2012 | 17 Feb 2020 | British | 66 years |
| Subhanu Saxena | Director | 1 Jul 2005 | 31 Aug 2009 | British | 61 years |
| Sukbinder Kaur Hothi | Director | 1 May 2002 | 31 Dec 2012 | British | 63 years |
| Susan Ann Webb | Director | 1 Sept 2009 | 1 Sept 2015 | British | 62 years |
| William Drummond Paris | Director | 23 Apr 2002 | 30 Apr 2005 | British | 74 years |
| Zoe Elizabeth Cruice | Director | 1 Feb 2005 | 15 Oct 2008 | British | 60 years |