| Alexander Howard Bridgeman | Director | 15 Oct 2009 | 31 Dec 2019 | British | 63 years |
| Anthony John Morrish | Director | 24 May 1992 | 24 May 1993 | British | 93 years |
| Anthony Robert Williams | Director | 16 Nov 1992 | 31 Dec 2005 | British | 77 years |
| Christopher Stephen Waters | Director | 28 Aug 2009 | 5 Jan 2011 | British | 76 years |
| Dermot Francis Woolliscroft | Director | 1 Feb 2016 | 25 Nov 2016 | British | 66 years |
| Douglas George Evans | Director | 28 Sept 2001 | 31 Mar 2006 | British | 64 years |
| Exel Secretarial Services Limited | Corporate Director | 31 Dec 2005 | 1 Feb 2016 | United Kingdom | - |
| Exel Secretarial Services Limited | Corporate Secretary | 24 May 1992 | 4 Nov 2015 | United Kingdom | - |
| James Edward Gill | Director | 1 Apr 2017 | 13 Jun 2018 | British | 50 years |
| Jane Li | Director | 1 Feb 2016 | 26 Nov 2018 | British | 57 years |
| Jane Li | Secretary | 4 Nov 2015 | 31 Dec 2018 | - | - |
| Jeremy William Charles Letchford | Director | 31 Dec 1993 | 31 Oct 2000 | British | 76 years |
| Jonathan Culver Bumstead | Director | 27 Feb 2006 | 31 Aug 2009 | British | 61 years |
| Keith Roy Smith | Director | 15 Aug 2014 | 31 Mar 2017 | British | 72 years |
| N F C Secretarial Services Limited | Corporate Director | 28 Feb 1993 | 31 Dec 1993 | - | - |
| Paul Taylor | Director | 28 Aug 2009 | 15 Aug 2014 | British | 66 years |
| Thorsten Kuhl | Director | 13 Jun 2018 | 20 Aug 2021 | German | 52 years |
| Timothy Fallowfield | Director | 31 Oct 2000 | 28 Sept 2001 | British | 63 years |
| Trevor George Larman | Director | 24 May 1992 | 16 Nov 1992 | British | 81 years |