| Adam John Sharples | Director | 31 Aug 2012 | 2 Jun 2017 | British | 72 years |
| Alan Sibbald | Director | 23 Jul 2008 | 31 Mar 2014 | British | 74 years |
| Andrew Charles Mead | Director | 1 Jun 2004 | 29 Aug 2012 | British | 64 years |
| Andrew John Creswell | Director | 1 Jun 2004 | 31 May 2011 | British | 79 years |
| Andrew Paul Hodges | Director | 23 Jul 2019 | 23 Aug 2019 | British | 56 years |
| Breege Burke | Director | 1 Mar 2013 | 30 Apr 2014 | Irish | 66 years |
| Catherine Trevorrow | Secretary | 4 Mar 2019 | 13 Sept 2019 | - | - |
| David George Phipps | Director | 2 Jun 2017 | 30 Apr 2019 | British | 56 years |
| Gary William Sullivan | Director | 1 Jun 2004 | 7 Dec 2005 | British | 67 years |
| Graham William Baker | Director | 1 Apr 2005 | 31 Dec 2009 | British | 78 years |
| Jacqueline Maria Oughton | Director | 31 Dec 2018 | 29 Sept 2022 | British | 62 years |
| John Robert Govett | Director | 14 Sept 2009 | 23 Mar 2018 | British | 66 years |
| Jonathan Paul Trigg | Director | 30 Mar 2011 | 2 Jun 2017 | British | 56 years |
| Juliet Elizabeth Price | Director | 1 Jun 2004 | 29 Aug 2012 | British | 57 years |
| Margaret Elizabeth Hyde | Director | 1 Jun 2004 | 31 Aug 2012 | British | 79 years |
| Michael Philip Thorne | Director | 23 Jul 2008 | 14 Mar 2016 | British | 75 years |
| Nicholas Oliver Charles Carey | Director | 10 May 2019 | 5 Jul 2019 | British | 40 years |
| Nicholas Oliver Charles Carey | Secretary | 2 Jun 2017 | 4 Mar 2019 | - | - |
| Pablo Tudor Barraclough Hepworth Lloyd | Director | 31 Aug 2012 | 2 Jun 2017 | British | 66 years |
| Patrick John Smith | Director | 28 Jan 2004 | 31 Jul 2006 | British | 73 years |
| Peter Frederick Baynham | Director | 1 Jul 2014 | 2 Jun 2017 | British | 73 years |
| Philip Anthony Saxton | Director | 31 Aug 2012 | 31 Jan 2014 | British | 68 years |
| Rachael White | Director | 1 Jun 2006 | 31 Dec 2018 | British | 57 years |
| Rachael White | Secretary | 1 Jun 2006 | 2 Jun 2017 | British | - |
| Richard George Cook | Director | 1 Jun 2004 | 31 May 2011 | British | 86 years |
| Richard William Clifton | Director | 23 Jul 2019 | 4 Jun 2021 | British | 56 years |
| Roy Langley O'shaughnessy | Director | 2 Jun 2017 | 13 Jul 2018 | British | 71 years |
| Sdg Registrars Limited | Corporate Nominee Director | 28 Jan 2004 | 28 Jan 2004 | United Kingdom | - |
| Sdg Secretaries Limited | Corporate Nominee Secretary | 28 Jan 2004 | 28 Jan 2004 | United Kingdom | - |
| Stephen Noel King | Director | 4 Jun 2021 | 28 Jul 2023 | British | 62 years |
| Stephen Noel King | Secretary | 30 Apr 2020 | 26 Jan 2021 | - | - |
| William David Mossman | Director | 1 Apr 2005 | 31 Aug 2006 | British | 66 years |
| William David Mossman | Secretary | 28 Jan 2004 | 31 May 2006 | British | - |