| Aart Dane | Director | 27 Jun 2014 | 18 Aug 2015 | Dutch | 54 years |
| Alan Edward Birch | Director | 1 Dec 2007 | 1 Apr 2014 | British | 56 years |
| Alexander Toby Shedden Parry | Secretary | 24 Feb 2006 | 15 Feb 2007 | British | - |
| Barry Simon Williams | Director | 15 Feb 2007 | 14 Aug 2007 | British | 56 years |
| Christopher John Blundell | Director | 1 Apr 2014 | 1 Nov 2017 | British | 60 years |
| Christopher Justin Taee | Director | 12 Oct 2005 | 15 Feb 2007 | British | 58 years |
| David Alan Barber | Secretary | 22 Apr 2005 | 24 Feb 2006 | British | - |
| Ian Richard Gethin | Director | 2 Jan 2008 | 31 Jan 2013 | British | 55 years |
| Neil Rae | Director | 1 Nov 2017 | 9 Oct 2020 | British | 55 years |
| Nicholas Howard Stovold | Director | 18 Aug 2015 | 29 Aug 2017 | British | 47 years |
| Nigel Duncan Taee | Director | 29 Mar 2005 | 15 Feb 2007 | British | 65 years |
| Peter George Bachmann | Director | 15 Feb 2007 | 2 Jan 2008 | German | 49 years |
| Peter Paul Copley | Director | 22 Apr 2005 | 15 Feb 2007 | British | 70 years |
| Phillip Joseph Dodd | Director | 1 Apr 2014 | 24 Sept 2014 | British | 71 years |
| Ppp Nominee Directors Limited | Corporate Director | 31 Jan 2013 | 1 Apr 2014 | United Kingdom | - |
| Robert John Austin | Director | 29 Mar 2005 | 15 Feb 2007 | British | 62 years |
| Robert John Austin | Secretary | 29 Mar 2005 | 22 Apr 2005 | British | - |
| Steven Mcgeown | Director | 9 Oct 2020 | 13 Dec 2022 | British | 41 years |