| Aafaq Noor Butt | Director | 15 Jan 2024 | 17 Jun 2024 | British | 49 years |
| Anthony John Brice | Director | 14 Aug 2006 | 31 Mar 2010 | British | 82 years |
| Anthony John Brice | Director | 1 Apr 2014 | 1 Apr 2015 | British | 82 years |
| Bernard Marie Terlinden | Director | 2 Apr 1998 | 9 Jul 2001 | Belgian | 72 years |
| Catherine Scott | Director | 1 Apr 2014 | 1 Apr 2015 | British | 63 years |
| Charlotte Eleanor Goodwin | Director | 10 Jul 2019 | 30 Mar 2021 | British | 41 years |
| Christine Marie Louise Smith | Director | 18 Jun 2012 | 1 Apr 2014 | British | 82 years |
| Christophe Andre Bernard Chapron | Director | 19 Feb 2007 | 1 Mar 2016 | French | 62 years |
| Colin Charles Burford | Director | 11 Feb 1998 | 13 Sept 1999 | British | 83 years |
| David Courtenay Palmer-jones | Director | 1 Oct 2008 | 1 Jan 2020 | British | 63 years |
| David Eugene Murray | Secretary | 26 Nov 1999 | 1 Aug 2001 | British | - |
| David Paul Sheard | Director | 27 May 1998 | 28 Jul 2004 | British | 78 years |
| David Paul Sheard | Director | 20 Apr 2011 | 18 Jun 2012 | British | 78 years |
| David Paul Sheard | Director | 4 Jul 2012 | 1 Apr 2014 | British | 78 years |
| Elizabeth Jayne Clare Cooper | Secretary | 1 Jul 2001 | 31 Jul 2003 | British | - |
| Florent Thierry Antoine Duval | Director | 1 Feb 2016 | 31 Oct 2021 | French | 50 years |
| Francis Patrick Mcginty | Director | 11 Feb 1998 | 17 Jan 2000 | British | 77 years |
| Francis Patrick Mcginty | Secretary | 2 Apr 1998 | 26 Nov 1999 | British | - |
| Gary Mayson | Director | 1 Oct 2009 | 4 Apr 2023 | British | 57 years |
| Graham Arthur Mckenna-mayes | Secretary | 31 Jul 2003 | 5 Jan 2009 | British | - |
| Graham Ingleson | Director | 1 Jan 2006 | 1 Oct 2009 | British | 67 years |
| Ian Anthony Sexton | Director | 1 Oct 2001 | 19 Feb 2007 | British | 70 years |
| Ian Frederick Goodfellow | Director | 1 Oct 2001 | 31 May 2003 | British | 72 years |
| Ingleby Holdings Limited | Corporate Nominee Director | 22 Jan 1998 | 11 Feb 1998 | - | - |
| Ingleby Nominees Limited | Corporate Nominee Secretary | 22 Jan 1998 | 11 Feb 1998 | - | - |
| John Edward Emms | Secretary | 11 Feb 1998 | 2 Apr 1998 | British | - |
| Linda Diane Wild | Director | 8 Aug 2002 | 28 Jul 2004 | British | 77 years |
| Marek Robert Gordon | Director | 1 Oct 2009 | 16 Nov 2020 | British | 73 years |
| Marten Widlund | Director | 1 Oct 2003 | 1 Jan 2006 | Swedish | 56 years |
| Michael Bower | Director | 28 Jul 2004 | 14 Aug 2006 | British | 88 years |
| Michael Richard Watson | Director | 1 Apr 2015 | 10 Jul 2019 | British | 59 years |
| Munir Ahmed | Director | 26 Jul 2024 | 7 Jun 2025 | British | 66 years |
| Naheed Arshad-mather | Director | 12 Oct 2016 | 12 Oct 2023 | British | 68 years |
| Paul Taylor | Director | 12 Dec 2001 | 30 Jun 2002 | British | 67 years |
| Per-anders Hjort | Director | 31 May 2003 | 1 Oct 2008 | Swedish | 68 years |
| Peter Anthony Neill | Director | 13 Sept 1999 | 8 Jan 2002 | British | 77 years |
| Peter John Gillatt | Director | 7 Jan 2002 | 31 Oct 2006 | British | 66 years |
| Pierre Catlin | Director | 2 Apr 1998 | 8 Feb 2002 | French | 77 years |
| Robert James Wheatley | Director | 2 Apr 1998 | 1 Mar 2002 | British | 83 years |
| Steve Hall | Director | 1 Apr 2015 | 12 Oct 2016 | British | 66 years |
| Terrence William Bradley | Director | 26 Nov 1998 | 20 Dec 2002 | British | 75 years |
| Tim Otley | Director | 27 Mar 2012 | 9 Dec 2015 | British | 53 years |
| Yusra Hussain | Director | 12 Oct 2023 | 20 Dec 2023 | British | 38 years |