| Castlegate Directors Limited | Corporate Director | 22 Nov 2006 | 31 Aug 2007 | United Kingdom | - |
| Castlegate Secretaries Limited | Corporate Secretary | 22 Nov 2006 | 31 Aug 2007 | United Kingdom | - |
| Darren Stockley | Director | 19 Dec 2006 | 31 Jul 2009 | British | 57 years |
| David Kevin Mulligan | Director | 1 Apr 2014 | 31 Dec 2015 | British | 57 years |
| Jeremy John Cobbett Simpson | Director | 1 Aug 2011 | 31 Mar 2014 | British | 55 years |
| John Ferguson Bowater | Director | 19 Dec 2006 | 31 Dec 2022 | British | 77 years |
| Mark Ian Saunders | Director | 31 Jul 2009 | 31 Jul 2011 | British | 58 years |
| Mary Ford | Secretary | 31 Aug 2007 | 30 Mar 2012 | British | - |