| Alan Michael Rylett | Director | 7 Mar 2013 | 27 Sept 2013 | British | 77 years |
| Amanda Massie | Secretary | 2 May 2012 | 8 Mar 2013 | - | - |
| Carl Sjogren | Secretary | 11 Jun 2009 | 22 Mar 2012 | Swedish | - |
| Catherine Engmann | Secretary | 7 Dec 2006 | 22 May 2009 | British | - |
| Christine Shaw | Secretary | 22 Mar 2012 | 2 May 2012 | - | - |
| Christopher James Lavery | Director | 6 Sept 2007 | 8 Jun 2012 | British | 61 years |
| Clive Thomas | Director | 22 May 2020 | 16 Nov 2022 | British | 60 years |
| Craig Steven Apsey | Director | 27 Sept 2013 | 31 May 2016 | British | 65 years |
| Gareth Snook | Director | 20 Aug 2018 | 1 Mar 2022 | British | 69 years |
| Ian Howard Howitt | Director | 30 May 2003 | 6 Sept 2007 | British | 81 years |
| Ingleby Holdings Limited | Corporate Nominee Director | 30 May 2003 | 30 May 2003 | United Kingdom | - |
| Ingleby Nominees Limited | Corporate Nominee Secretary | 30 May 2003 | 30 May 2003 | United Kingdom | - |
| James Thornton Measures | Director | 7 Dec 2006 | 10 Jun 2010 | British | 75 years |
| Jim Perrie | Director | 2 Oct 2012 | 19 May 2015 | British | 64 years |
| John Edward Pincock | Director | 3 Sept 2004 | 20 Sept 2010 | British | 68 years |
| Keith Charles Jackson | Director | 18 Apr 2011 | 27 Sept 2013 | British | 73 years |
| Keith Turner | Director | 25 Jan 2006 | 10 Jun 2010 | British | 62 years |
| Kelly Lee | Secretary | 26 May 2009 | 30 Jul 2010 | British | - |
| Liam John Robinson | Director | 23 Nov 2010 | 12 Apr 2013 | British | 44 years |
| Mark Whittaker | Director | 22 May 2020 | 6 Apr 2023 | British | 51 years |
| Miles Lawrence Barnard | Director | 23 Sept 2011 | 22 Mar 2013 | British | 60 years |
| Nicky Cobden | Secretary | 22 Mar 2012 | 29 Aug 2013 | - | - |
| Paul Adrian Rayner | Director | 27 Sept 2013 | 8 Jun 2015 | British | 65 years |
| Peter Andrew Seddon | Director | 7 Jun 2007 | 27 Sept 2013 | British | 54 years |
| Rebecca Jayne Seeley | Director | 12 Mar 2009 | 13 Jun 2011 | British | 46 years |
| Richard Alec Preece | Director | 3 Sept 2004 | 5 Feb 2007 | British | 80 years |
| Richard Alec Preece | Secretary | 30 May 2003 | 7 Dec 2006 | British | - |
| Richard David John Oglethorpe | Director | 3 Sept 2004 | 25 Jan 2006 | British | 65 years |
| Richard Harry Cuthbert | Director | 3 Sept 2004 | 7 Jun 2007 | British | 73 years |
| Robert Graham Kilner | Director | 30 May 2003 | 31 Mar 2007 | British | 83 years |
| Robert Malcom Kennedy | Director | 1 Nov 2010 | 27 Sept 2013 | British | 72 years |
| Robert Patrick Wall | Director | 31 Mar 2007 | 12 Mar 2009 | Irish | 61 years |
| Simon Edward Etheridge | Director | 7 Mar 2013 | 19 May 2015 | British | 58 years |
| Simon Edward Etheridge | Director | 29 Jul 2015 | 20 Aug 2018 | British | 58 years |
| Stephen James Morriss | Director | 23 Nov 2010 | 10 Dec 2010 | British | 61 years |
| Stuart John Monkcom | Director | 21 Mar 2006 | 10 Jun 2010 | British | 82 years |
| Tony Robert Muir | Director | 10 Jun 2010 | 27 Sept 2013 | British | 55 years |