| Achal Prakash Bhuwania | Director | 6 Sept 2017 | 28 Jan 2019 | British | 47 years |
| Alan Mark Farrer | Director | 25 Jan 2023 | 19 Apr 2024 | British | 48 years |
| Alan Paul Dyke | Director | 29 Jun 2001 | 31 Aug 2005 | British | 80 years |
| Alastair Colin Hall | Director | 5 May 2017 | 6 Sept 2017 | British | 44 years |
| Andrew Brian Deacon | Director | 11 Jun 2021 | 25 Jan 2023 | British | 46 years |
| Andrew Douglas Preece | Director | 23 Sept 1998 | 4 Dec 1998 | British | 82 years |
| Ben Robert Loomes | Director | 6 Sept 2017 | 19 Nov 2018 | British | 49 years |
| Charles Thomazi | Director | 18 Nov 2010 | 20 Sept 2012 | Canadian | 63 years |
| Christopher Donald Kaberry | Director | 9 Mar 2004 | 7 Jun 2010 | British | 83 years |
| Christopher Hugh Hamill | Director | 4 Dec 1998 | 18 Nov 2010 | British | 66 years |
| Christopher Hugh Hamill | Secretary | 21 Apr 1999 | 18 Nov 2010 | British | - |
| Clare Alice Wilson | Director | 2 Apr 1998 | 23 Sept 1998 | British | 61 years |
| Colin Hood | Director | 14 Apr 2011 | 8 Dec 2017 | British | 71 years |
| Darrin Ross Pickett | Director | 18 Nov 2010 | 19 Jun 2015 | Canadian | 55 years |
| David John Harding | Director | 12 Jun 2019 | 1 Jul 2022 | British | 46 years |
| David John Pointon | Director | 6 Sept 2005 | 18 Jan 2008 | British | 79 years |
| David Mark Stanton | Director | 15 Jun 2016 | 6 Sept 2017 | British | 57 years |
| Diane Crowther | Director | 25 Jan 2023 | 15 Dec 2023 | British | 63 years |
| Edward John Allett | Director | 9 Mar 2004 | 10 Apr 2008 | British | 78 years |
| Eric Vernon Hargrave | Director | 19 Jun 2015 | 6 Sept 2017 | Canadian | 49 years |
| Gareth John Roberts | Director | 19 Aug 1998 | 4 Dec 1998 | British | 67 years |
| Graham Grant Gunn | Director | 9 Jun 2009 | 18 Nov 2010 | British | 67 years |
| James Anthony O'halloran | Director | 6 Sept 2017 | 30 Apr 2018 | British | 51 years |
| John Anthony Guccione | Director | 15 Jun 2016 | 6 Sept 2017 | Canadian,italian | 54 years |
| John Hamilton Curley | Director | 11 May 2009 | 18 Nov 2010 | British | 72 years |
| John James Mcmanus | Director | 16 Feb 2012 | 15 Jun 2016 | Canadian | 67 years |
| John Kay Welsby | Director | 23 Jan 2006 | 31 Dec 2007 | British | 88 years |
| Kenton Edward Bradbury | Director | 4 Dec 2015 | 5 May 2017 | British | 56 years |
| Kevin Kerr | Director | 18 Nov 2010 | 17 Feb 2011 | Canadian | 52 years |
| Lesley Elizabeth Burton | Secretary | 4 Dec 1998 | 21 Apr 1999 | British | - |
| Lucy Ann Clarke-bodicoat | Secretary | 22 Sept 2011 | 11 May 2023 | - | - |
| Mark Christopher Wayment | Director | 6 Sept 2017 | 20 Jul 2018 | British | 68 years |
| Mark Richard Woodhams | Director | 30 Apr 2018 | 11 Jun 2021 | British | 60 years |
| Office Organization & Services Limited | Corporate Secretary | 20 May 1998 | 4 Dec 1998 | United Kingdom | - |
| Olivia Penelope Steedman | Director | 17 Feb 2011 | 15 Jun 2016 | Canadian | 55 years |
| Olivier-marie Henri Racine | Director | 11 Jun 2021 | 17 Oct 2024 | French | 68 years |
| Pamela Elizabeth Dunning | Director | 2 Apr 1998 | 19 Aug 1998 | British | 57 years |
| Patrick Thomas Robson | Director | 12 Jun 2019 | 23 Feb 2024 | British | 41 years |
| Paul Michael Chapman | Director | 21 Jan 2008 | 18 Nov 2010 | British | 61 years |
| Philippe Anastase Busslinger | Director | 18 Nov 2010 | 16 Feb 2012 | Swiss | 51 years |
| Philippe Anastase Busslinger | Director | 20 Aug 2013 | 4 Dec 2015 | Swiss | 51 years |
| Richard Byers | Director | 18 Nov 2010 | 14 Apr 2011 | Canadian | 67 years |
| Richard Ernest Gooding | Director | 20 Sept 2012 | 19 Jun 2015 | British | 79 years |
| Robert David Holden | Director | 4 Dec 1998 | 31 Mar 2009 | British | 70 years |
| Robert James Newton | Director | 6 Sept 2017 | 8 Dec 2017 | British | 70 years |
| Scott Springett | Director | 8 Dec 2017 | 11 Jun 2021 | British | 58 years |
| Sebastien Bernard Sherman | Director | 18 Nov 2010 | 20 Aug 2013 | Canadian | 54 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 2 Apr 1998 | 20 May 1998 | United Kingdom | - |
| Thomas Albert Meyer-mallorie | Director | 4 Dec 2015 | 5 May 2017 | British | 45 years |
| Timothy John Smart | Director | 1 Dec 2008 | 18 Nov 2010 | British | 69 years |
| Walter Carlin Bell | Director | 7 Jan 1999 | 31 Dec 2003 | American | 92 years |
| Walter Carlin Bell | Director | 23 Jan 2006 | 31 Dec 2007 | American | 92 years |