| Alasdair Llewellyn Stables | Director | 15 Aug 2011 | 12 Dec 2012 | British | 54 years |
| Christopher David Plant | Director | 16 Jan 2008 | 15 Sept 2010 | United Kingdom | 68 years |
| Clive Jonathan Mottram | Secretary | 19 Jun 2009 | 2 Jun 2010 | British | - |
| Deborah Grimason | Director | 16 Apr 2013 | 20 Nov 2013 | British | 63 years |
| Deborah Grimason | Secretary | 13 Apr 2007 | 19 Jun 2009 | British | - |
| Fiona Puleston Penhallurick | Director | 27 Aug 2015 | 15 Mar 2016 | British | 59 years |
| Gregory Arthur Landon Price | Director | 18 Feb 2005 | 9 Nov 2007 | British | 62 years |
| Instant Companies Limited | Corporate Nominee Director | 7 Jul 2004 | 20 Sept 2004 | United Kingdom | - |
| Lafarge Tarmac Directors (uk) Limited | Corporate Director | 16 Apr 2013 | 27 Aug 2015 | United Kingdom | - |
| Mark Andrew Swan | Director | 18 Feb 2005 | 31 Mar 2011 | British | 59 years |
| Mark John Slack | Director | 1 Nov 2008 | 17 Apr 2013 | British | 56 years |
| Mark Thomas Wood | Director | 15 Aug 2011 | 17 Apr 2013 | British | 53 years |
| Mark Wilson Joel | Director | 18 Feb 2005 | 15 Aug 2011 | British | 63 years |
| Martin James Hobbs | Director | 12 Dec 2012 | 22 Nov 2013 | British | 74 years |
| Martin Kenneth Riley | Director | 16 Apr 2013 | 31 Aug 2016 | British | 59 years |
| Michael Patrick Campbell | Director | 9 Feb 2012 | 17 Apr 2013 | Irish | 57 years |
| Paul Francis William Cottrell | Director | 16 Apr 2013 | 31 Aug 2016 | British | 60 years |
| Peter William Joseph Mills | Director | 20 Sept 2004 | 18 Feb 2005 | British | 73 years |
| Raymond Alfred Elliott | Director | 20 Sept 2004 | 18 Feb 2005 | British | 79 years |
| Raymond Alfred Elliott | Secretary | 20 Sept 2004 | 13 Apr 2007 | British | - |
| Richard Keen | Secretary | 5 Jan 2011 | 16 Apr 2013 | - | - |
| Robert Anthony Stewart Whetstone | Director | 18 Feb 2005 | 16 Jan 2008 | British | 63 years |
| Shaun Davidson | Director | 9 Nov 2007 | 1 Nov 2008 | British | 58 years |
| Shaun Davidson | Director | 15 Sept 2010 | 9 Feb 2012 | British | 58 years |
| Sonia Fennell | Secretary | 7 Jun 2010 | 5 Jan 2011 | - | - |
| Swift Incorporations Limited | Corporate Nominee Secretary | 7 Jul 2004 | 20 Sept 2004 | United Kingdom | - |
