| Alan Michael Rylett | Director | 21 Dec 2011 | 23 Dec 2016 | British | 77 years |
| Amanda Jane Emilia Massie | Secretary | 23 Mar 2006 | 4 Aug 2009 | British | - |
| Amanda Massie | Secretary | 2 May 2012 | 8 Mar 2013 | - | - |
| Andrew Colin Zuntz | Director | 23 Mar 2006 | 21 May 2012 | British | 74 years |
| Andrew Kendall | Director | 6 Jun 2011 | 12 Mar 2012 | British | 57 years |
| Bethan Anne Elizabeth Melges | Director | 20 Aug 2018 | 9 Sept 2019 | British | 51 years |
| Bethan Melges | Secretary | 20 Jun 2016 | 9 Sept 2019 | - | - |
| Carl Sjogren | Secretary | 10 Jun 2009 | 12 Apr 2012 | Swedish | - |
| Catherine Engmann | Secretary | 21 Apr 2006 | 22 May 2009 | British | - |
| Charles Stuart Mindenhall | Director | 23 Mar 2006 | 11 Dec 2008 | British | 55 years |
| Christine Shaw | Secretary | 12 Apr 2012 | 2 May 2012 | - | - |
| Christopher James Lavery | Director | 18 Jun 2007 | 15 Sept 2010 | British | 61 years |
| Emma Jean Hilda Alexander | Director | 23 Dec 2016 | 11 Sept 2017 | British | 60 years |
| Gail Lesley Shadlock | Director | 23 Mar 2006 | 13 May 2007 | British | 64 years |
| Ian Charles Meredith | Director | 20 Aug 2018 | 31 Jan 2021 | British | 63 years |
| Ian Howard Howitt | Director | 23 Mar 2006 | 12 Sept 2007 | British | 81 years |
| Ingleby Holdings Limited | Corporate Director | 21 Dec 2005 | 23 Mar 2006 | United Kingdom | - |
| Ingleby Nominees Limited | Corporate Secretary | 21 Dec 2005 | 23 Mar 2006 | United Kingdom | - |
| James Thornton Measures | Director | 23 Mar 2006 | 9 Jun 2010 | British | 75 years |
| Jayne Denise Hettle | Director | 24 Feb 2021 | 18 Oct 2021 | British | 61 years |
| Jeremy Mark Williams | Director | 23 Dec 2016 | 20 Aug 2018 | British | 57 years |
| John Edward Pincock | Director | 30 Mar 2007 | 15 Sept 2010 | British | 68 years |
| John Edward Sillitoe | Director | 21 Dec 2011 | 23 Dec 2016 | British | 59 years |
| John Gerard Rooney | Director | 4 May 2017 | 22 Dec 2022 | British | 59 years |
| Julian Stuart Massel | Director | 4 Jan 2015 | 4 May 2017 | British | 53 years |
| Kay Trudie Andrews | Director | 11 Dec 2008 | 19 Sept 2016 | British | 63 years |
| Kelly Lee | Secretary | 10 Jun 2009 | 30 Jul 2010 | British | - |
| Linda Fisher | Director | 21 May 2012 | 4 Jan 2015 | British | 54 years |
| Nicky Cobden | Secretary | 12 Apr 2012 | 29 Aug 2013 | - | - |
| Nicola Rogers | Director | 22 Dec 2022 | 1 Dec 2024 | British | 59 years |
| Peter Brian Slater | Director | 11 Sept 2017 | 20 Aug 2018 | British | 57 years |
| Philip Higgins | Secretary | 9 Sept 2019 | 24 Sept 2021 | - | - |
| Philip Higgins | Director | 9 Sept 2019 | 24 Sept 2021 | British | 57 years |
| Rebecca Jayne Seeley | Director | 11 Mar 2009 | 13 Jun 2011 | British | 46 years |
| Richard Alec Preece | Secretary | 23 Mar 2006 | 7 Dec 2006 | British | - |
| Richard Harry Cuthbert | Director | 17 Mar 2011 | 5 Oct 2011 | British | 73 years |
| Richard Harry Cuthbert | Director | 17 Mar 2011 | 21 Dec 2011 | British | 73 years |
| Robert Graham Kilner | Director | 23 Mar 2006 | 30 Mar 2007 | British | 83 years |
| Robert Patrick Wall | Director | 12 Sept 2007 | 11 Mar 2009 | Irish | 61 years |
| Stephen James Morriss | Director | 2 Aug 2010 | 10 Dec 2010 | British | 61 years |