| Azagen Mootoosamy | Director | 21 Aug 2017 | 4 Sept 2018 | British | 51 years |
| Carillion Secretariat Limited | Corporate Secretary | 1 Mar 2006 | 18 Sept 2012 | United Kingdom | - |
| Duncan Elliot Dickson | Director | 1 Mar 2006 | 31 May 2006 | British | 72 years |
| Francis Robin Herzberg | Director | 30 Apr 2006 | 25 Aug 2006 | British | 70 years |
| Keith Woodward | Director | 1 Mar 2006 | 30 Apr 2006 | British | 72 years |
| Mitre Directors Limited | Corporate Director | 9 Feb 2006 | 1 Mar 2006 | United Kingdom | - |
| Mitre Secretaries Limited | Corporate Director | 9 Feb 2006 | 1 Mar 2006 | United Kingdom | - |
| Mitre Secretaries Limited | Corporate Secretary | 9 Feb 2006 | 1 Mar 2006 | United Kingdom | - |
| Paul John Mckenna | Director | 24 Nov 2010 | 8 Jun 2017 | British | 70 years |
| Philip Ernest Shepley | Director | 20 Feb 2017 | 7 Dec 2017 | British | 53 years |
| Richard Gregg Lumby | Director | 14 Dec 2010 | 20 Feb 2017 | British | 65 years |
| Rodney Hewer Harris | Director | 25 Aug 2006 | 28 Sept 2010 | British | 65 years |
| Thomas Donald Kenny | Director | 30 Apr 2006 | 31 Aug 2010 | Irish | 72 years |
| Timothy Francis George | Secretary | 18 Sept 2012 | 30 Jun 2017 | - | - |