| Alessandra Bellini | Director | 6 Oct 2017 | 28 Sept 2023 | Italian | 62 years |
| Alison Jean Ryan | Secretary | 1 Jul 2003 | 28 Jul 2004 | British | - |
| Andrew Colin Gray Rowlinson | Director | 1 Oct 2009 | 6 May 2011 | British | 68 years |
| Andrew Thomas Higginson | Director | 19 Apr 2006 | 30 Nov 2011 | British | 69 years |
| Andrew Thomas Higginson | Director | 30 Nov 2011 | 29 Feb 2012 | British | 69 years |
| Andrew William Dewhurst | Director | 3 Jun 2003 | 30 Apr 2008 | British | 67 years |
| Anthony Vollmer | Director | 12 Aug 2013 | 2 May 2017 | British | 51 years |
| Antony John Hoggett | Director | 14 Aug 2012 | 1 Apr 2017 | British | 52 years |
| Bhavesh Mistry | Director | 14 Nov 2018 | 23 Jun 2021 | British | 54 years |
| Catherine Jane Keers | Director | 20 Mar 2007 | 16 May 2008 | British | 61 years |
| Charles Wilson | Director | 5 Mar 2018 | 16 Jul 2018 | British | 61 years |
| Christopher Paul Whitfield | Director | 6 May 2011 | 8 Jun 2012 | British | 57 years |
| Claire Alexandra Soper-lorains | Director | 2 May 2017 | 5 Nov 2019 | British | 46 years |
| Claire Pickthall | Director | 20 May 2022 | 22 Jun 2023 | British | 40 years |
| Claudine Elaine O'connor | Secretary | 20 Mar 2007 | 12 Aug 2013 | British | - |
| David Clifford Wheeler | Director | 23 Jun 2021 | 9 Jul 2024 | British | 42 years |
| David Jeremy Plumb | Director | 8 Jun 2012 | 19 Sept 2017 | British | 54 years |
| David Paul Mcglade | Director | 3 Sept 2003 | 21 Jan 2005 | American | 66 years |
| Deborah Hayeems | Secretary | 29 Jul 2004 | 20 Mar 2007 | British | - |
| Graham John Harris | Director | 28 Feb 2011 | 7 Oct 2011 | British | 60 years |
| Ian Clarke | Director | 18 Jan 2007 | 12 Feb 2010 | British | 61 years |
| Ian Thomas Crook | Director | 20 Nov 2007 | 1 Jul 2013 | British | 62 years |
| Jason Mark Tarry | Director | 16 Jul 2018 | 14 Mar 2024 | British | 59 years |
| Jill Easterbrook | Director | 14 Aug 2012 | 8 Dec 2015 | British | 55 years |
| John Julian Browett | Director | 3 Jun 2003 | 18 Dec 2003 | British | 63 years |
| Katherine Therese Koch | Director | 18 Jan 2016 | 6 Oct 2017 | British | 56 years |
| Lance Henry Batchelor | Director | 28 Jul 2008 | 28 Feb 2011 | British | 62 years |
| Laura Katharine Wade-gery | Director | 18 Dec 2003 | 20 Nov 2007 | British | 61 years |
| Mark Bowden | Director | 10 Jun 2019 | 11 Jun 2021 | British | 51 years |
| Mark Evans | Director | 6 Jan 2012 | 17 Jun 2021 | British | 57 years |
| Matthew Campbell Barnes | Director | 14 Mar 2024 | 19 Jun 2025 | British | 53 years |
| Matthew David Key | Director | 3 Jun 2003 | 30 Nov 2011 | British | 63 years |
| Matthew Samuel Davies | Director | 5 Sept 2016 | 5 Mar 2018 | British | 56 years |
| Nadine Amanda Sankar | Secretary | 29 May 2003 | 1 Jul 2003 | British | - |
| Nicholas James Read | Director | 17 Sept 2004 | 17 Jun 2005 | British | 60 years |
| Nigel Alan Jones | Director | 29 Feb 2012 | 14 Aug 2012 | British | 60 years |
| Oliver James Potter | Director | 19 Sept 2017 | 23 Aug 2019 | British | 45 years |
| Pailex Nominees Limited | Corporate Director | 29 May 2003 | 29 May 2003 | United Kingdom | - |
| Pailex Secretaries Limited | Corporate Secretary | 29 May 2003 | 29 May 2003 | United Kingdom | - |
| Paul Pattinson | Director | 20 Sept 2019 | 3 Dec 2021 | British | 56 years |
| Peter Jonathan Ward | Director | 3 Jun 2003 | 20 Oct 2006 | British | 63 years |
| Philip John Maple | Director | 20 Oct 2006 | 28 Feb 2011 | British | 62 years |
| Robert Dunn | Director | 22 Jun 2011 | 10 Mar 2012 | British | 64 years |
| Robin James Terrell | Director | 12 Aug 2013 | 5 Sept 2016 | British | 56 years |
| Roger Fogg | Director | 7 Oct 2011 | 12 Aug 2013 | British | 63 years |
| Roger James Keenan | Director | 28 Feb 2011 | 10 Jun 2019 | British | 62 years |
| Ronan James Dunne | Director | 16 May 2008 | 5 Sept 2016 | Irish | 63 years |
| Rowley Stuart Ager | Director | 29 May 2003 | 3 Jun 2003 | British | 81 years |
| Samuel Vaughan | Director | 11 Jun 2021 | 12 Jul 2024 | British | 41 years |
| Stephen Alder | Director | 21 Jan 2005 | 18 Jan 2007 | British | 69 years |
| Stephen Alder | Director | 12 Feb 2010 | 22 Jun 2011 | British | 69 years |
| Steven Charles Garton | Director | 3 Sept 2003 | 17 Sept 2004 | British | 63 years |
| Thomas Charles Denyard | Director | 5 Nov 2019 | 8 Apr 2022 | British | 45 years |
| Timothy John Rollit Mason | Director | 29 May 2003 | 19 Apr 2006 | British | 69 years |
| Timothy Neil Pullen | Director | 23 Sept 2016 | 25 May 2017 | British | 49 years |
| Trevor John Masters | Director | 27 Sept 2006 | 1 Oct 2009 | British | 63 years |
| Vivek Dev | Director | 3 Jun 2003 | 20 Mar 2007 | British | 68 years |
| William Gary Mills | Director | 4 Jul 2005 | 27 Sept 2006 | British | 60 years |