| Anthony Gregory Baines | Director | 21 Aug 2009 | 28 Sept 2017 | British | 66 years |
| Armin Burger | Director | 21 Aug 2009 | 23 Nov 2009 | German | 63 years |
| Armin Burger | Director | 1 Apr 1999 | 31 Dec 2006 | German | 63 years |
| Charles John Rayner Hodder | Director | 20 Aug 2001 | 4 Sept 2001 | British | 62 years |
| Charles John Rayner Hodder | Director | 13 Sept 2002 | 2 Oct 2002 | British | 62 years |
| Charles John Rayner Hodder | Director | 28 Oct 2002 | 4 Nov 2002 | British | 62 years |
| Charles John Rayner Hodder | Director | 24 Jul 2003 | 11 Aug 2003 | British | 62 years |
| Charles John Rayner Hodder | Director | 29 Aug 2003 | 16 Sept 2003 | British | 62 years |
| Charles John Rayner Hodder | Director | 29 Mar 2004 | 5 Apr 2004 | British | 62 years |
| Charles John Rayner Hodder | Director | 21 May 2004 | 10 Jun 2004 | British | 62 years |
| Charles John Rayner Hodder | Director | 2 Aug 2004 | 9 Aug 2004 | British | 62 years |
| Charles John Rayner Hodder | Director | 13 Sept 2004 | 27 Sept 2004 | British | 62 years |
| Darren Thomas Williamson | Director | 16 Jan 2009 | 22 Jan 2009 | British | 54 years |
| Darren Thomas Williamson | Director | 2 Mar 2009 | 9 Mar 2009 | British | 54 years |
| Darren Thomas Williamson | Director | 30 Jun 2009 | 6 Jul 2009 | British | 54 years |
| Darren Thomas Williamson | Secretary | 13 Feb 2009 | 23 Feb 2009 | British | - |
| Darren Thomas Williamson | Secretary | 9 Apr 2009 | 21 Apr 2009 | British | - |
| David Ferguson Calow | Director | 15 May 1991 | 7 Mar 1996 | British | 88 years |
| Francesca Sarah Fox | Director | 21 May 2004 | 8 Jun 2004 | British | 59 years |
| Francis Stephen Garford | Director | 15 Jul 2005 | 29 Jul 2005 | British | 82 years |
| Friedrich Willbrandt | Director | 7 Mar 1996 | 31 Mar 1999 | German | 89 years |
| Hammonds Secretarial Services Limited | Corporate Director | 6 Aug 2007 | 17 Aug 2007 | - | - |
| Hammonds Secretarial Services Limited | Corporate Director | 8 Aug 2008 | 18 Aug 2008 | - | - |
| Hammonds Secretarial Services Limited | Corporate Director | 22 Dec 2008 | 2 Jan 2009 | - | - |
| Hammonds Secretarial Services Limited | Corporate Secretary | 23 May 2008 | 4 Jun 2008 | - | - |
| James Hutcheson | Director | 1 Jan 2016 | 1 Jan 2025 | British | 53 years |
| Jane Cooper | Secretary | 15 May 1991 | 20 Aug 1998 | British | - |
| Jane Cooper | Secretary | 4 Sept 1998 | 1 May 2007 | British | - |
| Jonathan Edward Morshead | Director | 26 Feb 1999 | 20 Jul 2000 | British | 75 years |
| Jonathan Edward Morshead | Director | 5 Aug 2000 | 12 Sept 2000 | British | 75 years |
| Jonathan Edward Morshead | Director | 3 Nov 2000 | 1 Jan 2009 | British | 75 years |
| Julian Matthew Middleton | Director | 1 Jan 2009 | 20 Jul 2009 | British | 63 years |
| Jurgen Kroll | Director | 1 May 1999 | 31 Dec 2006 | German | 75 years |
| Lesley Haworth | Director | 11 Jul 2005 | 25 Jul 2005 | British | 56 years |
| Lesley Haworth | Director | 22 Aug 2005 | 5 Sept 2005 | British | 56 years |
| Lesley Haworth | Director | 24 Oct 2005 | 31 Oct 2005 | British | 56 years |
| Mandy Louise Stretton | Director | 20 Jul 2009 | 31 Dec 2015 | British | 63 years |
| Matthew Campbell Barnes | Director | 22 Feb 2010 | 15 Apr 2018 | British | 53 years |
| Niall Thomas Patrick O'connor | Director | 2 Apr 2020 | 1 Jan 2025 | Irish | 56 years |
| Nicholas Arthur Ross Williams | Director | 27 Mar 2006 | 3 Apr 2006 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 4 Apr 2008 | 14 Apr 2008 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 11 Jul 2008 | 28 Jul 2008 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 23 Oct 2008 | 3 Nov 2008 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 7 Nov 2008 | 8 Nov 2008 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 24 Aug 2007 | 4 Sept 2007 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 19 Oct 2007 | 26 Oct 2007 | British | 68 years |
| Nicholas Arthur Ross Williams | Director | 11 Mar 2008 | 17 Mar 2008 | British | 68 years |
| Nicholas Pattinson Allen | Director | 1 Aug 1991 | 26 Feb 1999 | British | 67 years |
| Norbert Podschlapp | Director | 1 May 1999 | 31 Dec 2006 | German | 66 years |
| Norbert Podschlapp | Director | 23 Nov 2009 | 22 Feb 2010 | German | 66 years |
| Oliver James King | Director | 1 Apr 2018 | 1 Jan 2025 | British | 48 years |
| Paul Michael Foley | Director | 12 Sept 2000 | 21 Aug 2009 | British | 68 years |
| Richard Burns | Director | 13 Apr 2006 | 24 Apr 2006 | British | 68 years |
| Richard Burns | Director | 22 Jun 2006 | 5 Jul 2006 | British | 68 years |
| Richard Burns | Director | 10 Jul 2006 | 24 Jul 2006 | British | 68 years |
| Richard Burns | Director | 27 Dec 2006 | 15 Jan 2007 | British | 68 years |
| Richard Burns | Director | 6 Jun 2007 | 12 Jun 2007 | British | 68 years |
| Richard Burns | Director | 19 Oct 2007 | 26 Oct 2007 | British | 68 years |
| Robert Hamill | Director | 28 May 1996 | 6 Jun 1996 | British | 65 years |
| Robert William Assael | Director | 20 Jul 2000 | 5 Aug 2000 | British | 76 years |
| Robert William Assael | Director | 29 Aug 2000 | 11 Sept 2000 | British | 76 years |
| Robert William Assael | Director | 17 Aug 2001 | 3 Sept 2001 | British | 76 years |
| Roman Heini | Director | 22 Feb 2010 | 31 Mar 2015 | German | 50 years |
| Sarah Diane Walters | Secretary | 1 May 2007 | 1 Jan 2009 | British | - |
| Simon Michael Gordon | Director | 14 Jun 1996 | 1 Jul 1996 | British | 68 years |
| Timothy Mark Armstrong Hewens | Director | 21 Dec 2007 | 8 Jan 2008 | British | 52 years |
| Timothy Mark Armstrong Hewens | Director | 15 Feb 2008 | 26 Feb 2008 | British | 52 years |
| Trevor Marwood Coates | Director | 15 May 1991 | 12 Sept 2000 | British | 80 years |
| Ulrich Wolters | Director | 15 May 1991 | 31 Dec 2001 | German | 84 years |
| Veronica Claire Dean | Secretary | 20 Aug 1998 | 4 Sept 1998 | British | - |