| Adrian Thomas Fortescue | Director | 13 May 2015 | 15 Dec 2017 | British | 66 years |
| Andre Eugene Kinghorn | Director | 22 Apr 2014 | 20 Apr 2016 | British | 48 years |
| Bruno Albert Bodin | Director | 5 Feb 1999 | 10 Feb 2009 | French | 74 years |
| Bryn David Murray Jones | Director | 10 Sept 2002 | 14 Sept 2007 | British | 64 years |
| David James Porter | Director | 5 Feb 1999 | 6 Feb 2007 | British | 81 years |
| David John Carr | Director | 28 Oct 2003 | 19 Jan 2015 | British | 57 years |
| Elena Giorgiana Wegener | Director | 15 Jan 2015 | 1 Dec 2021 | British | 51 years |
| Elizabeth Jo Beswetherick | Director | 4 May 2020 | 18 Jul 2022 | British | 38 years |
| Emmanuel Chautemps | Director | 19 Jan 2015 | 31 Jan 2018 | French | 56 years |
| Eps Secretaries Limited | Corporate Secretary | 24 Nov 1998 | 16 May 2008 | United Kingdom | - |
| Erwan Benoit Fournis | Director | 30 Jan 2009 | 2 Oct 2009 | French | 54 years |
| Geoffrey Alan Quaife | Director | 14 Sept 2007 | 14 Dec 2010 | British | 71 years |
| Geoffrey Alan Quaife | Director | 18 Oct 2013 | 12 Sept 2018 | British | 71 years |
| Graham Robert Lewis | Director | 18 Aug 1999 | 22 Feb 2002 | British | 69 years |
| Guy Roland Marc Pigache | Director | 5 Feb 1999 | 6 Dec 2002 | British | 66 years |
| Heinz Otto Guenter Dombrowe | Director | 5 Feb 1999 | 18 Aug 1999 | German | 79 years |
| Ipfi Financial Limited | Corporate Secretary | 16 May 2008 | 11 Nov 2014 | United Kingdom | - |
| James Anthony O'halloran | Director | 2 Oct 2009 | 22 Apr 2014 | British | 51 years |
| James Leonard Middleton | Director | 12 Aug 2005 | 30 Sept 2008 | British | 70 years |
| Jonathan Hoskin Cotterell | Director | 8 Oct 2004 | 6 Feb 2007 | British | 84 years |
| Keith William Pickard | Director | 30 Jan 2009 | 22 Apr 2014 | British | 58 years |
| Mark Christopher Wayment | Director | 16 May 2008 | 27 Oct 2020 | British | 68 years |
| Mark Geoffrey David Holden | Director | 21 Jun 2012 | 18 Feb 2022 | British | 69 years |
| Mark John Griffiths | Director | 31 Jan 2018 | 16 Aug 2019 | English | 59 years |
| Mikjon Limited | Corporate Nominee Director | 24 Nov 1998 | 5 Feb 1999 | United Kingdom | - |
| Neil Andrew Woodburn | Director | 1 Dec 2021 | 28 Mar 2024 | British | 47 years |
| Oliver Marie Racine | Director | 5 Feb 1999 | 6 Nov 2002 | French | 68 years |
| Pascal Minault | Director | 6 Nov 2002 | 11 Jan 2008 | French | 63 years |
| Peter Evans Harrison | Director | 22 Feb 2002 | 22 Dec 2008 | British | 64 years |
| Phillip John Cooper | Director | 6 Feb 2007 | 1 Oct 2011 | British | 77 years |
| Sebastien Pochon | Director | 11 Oct 2004 | 18 Jan 2007 | British | 53 years |
| Simon Roger Holliday | Director | 28 Oct 2003 | 11 Jan 2008 | British | 59 years |
| Steven Hayward | Director | 5 Feb 1999 | 12 Aug 2005 | British | 68 years |
| Steven Hayward | Director | 15 Oct 2008 | 22 Dec 2008 | British | 68 years |