| Alan Charles Froggatt | Director | 15 Jun 2001 | 16 May 2005 | British | 76 years |
| Alex Constantinos Naftis | Secretary | 2 Nov 2011 | 27 Sept 2023 | British | - |
| Alexis John Lowth | Director | 5 Feb 2007 | 31 Aug 2010 | British | 54 years |
| Alison Buttery | Secretary | 18 Feb 2002 | 31 Jan 2003 | British | - |
| Christopher Paul Rouse | Director | 15 Jun 2001 | 1 Jan 2009 | British | 76 years |
| Dennis Maguire | Director | 24 Oct 1996 | 25 Feb 1997 | American | 81 years |
| Derek Gammage | Director | 15 Jun 2001 | 30 Jun 2016 | British | 62 years |
| Duncan Green | Director | 5 Nov 2015 | 19 Aug 2019 | British | 63 years |
| Elizabeth Cormack Thetford | Secretary | 17 Aug 2004 | 2 Nov 2011 | British | - |
| Enda Gerard Foley | Director | 19 Aug 2019 | 12 Nov 2020 | Irish | 54 years |
| Graham Windle | Director | 14 Feb 2018 | 31 Jan 2023 | British | 73 years |
| Hallmark Registrars Limited | Corporate Nominee Director | 22 Oct 1996 | 24 Oct 1996 | United Kingdom | - |
| Hallmark Secretaries Limited | Corporate Nominee Secretary | 22 Oct 1996 | 24 Oct 1996 | United Kingdom | - |
| Jonathan Neil Langston | Director | 24 Oct 1996 | 1 Feb 1998 | British | 62 years |
| Jonathan Worsley | Director | 24 Oct 1996 | 1 Oct 2001 | British | 65 years |
| Keith Stuart Lindsay | Director | 5 Nov 2015 | 29 Jan 2021 | French | 62 years |
| Martin Victor Lubieniecki | Director | 14 Jun 2002 | 19 May 2008 | British | 62 years |
| Martin Victor Lubieniecki | Secretary | 31 Jan 2003 | 17 Aug 2004 | British | - |
| Michael John Copplestone | Secretary | 24 Oct 1996 | 10 Jul 1998 | British | - |
| Michael John Strong | Director | 16 May 2005 | 5 Nov 2015 | British | 78 years |
| Paul Jones | Director | 24 Oct 1996 | 15 Jun 2001 | American | 80 years |
| Peter Bowyer Allanson | Secretary | 20 Sept 2000 | 25 Jan 2002 | British | - |
| Philip George Emburey | Director | 19 May 2008 | 5 Nov 2015 | British | 70 years |
| Russell Urban | Director | 25 Feb 1997 | 15 Jun 2001 | American | 66 years |
| Trevor John Ward | Director | 24 Oct 1996 | 1 Feb 1998 | British | 67 years |
| Valerie Anne Dickson | Secretary | 10 Jun 1998 | 20 Sept 2000 | British | - |
| William Gudenau | Director | 24 Oct 1996 | 15 Jun 2001 | American | 83 years |