| Anthony Outhwaite | Director | 1 Apr 1998 | 9 Mar 1999 | British | 78 years |
| Arthur Harold Moore | Director | 22 Apr 2005 | 11 May 2006 | British | 75 years |
| Carillion Management Limited | Corporate Director | 11 Oct 2005 | 3 Sept 2008 | United Kingdom | - |
| Christopher Francis Girling | Director | 11 May 2006 | 2 Apr 2007 | British | 72 years |
| David Malcolm Jackson | Director | 13 Dec 1995 | 16 Jun 1998 | British | 79 years |
| Gerald Thornton Brown | Director | 10 Apr 1996 | 31 May 2005 | British | 76 years |
| Hilary Myra Ellson | Secretary | 13 Dec 1995 | 9 Jun 2006 | British | - |
| Instant Companies Limited | Corporate Nominee Director | 24 Nov 1995 | 13 Dec 1995 | United Kingdom | - |
| Jack Mcgrory | Director | 5 Jan 1998 | 12 Mar 2004 | British | 72 years |
| John Mcdonough | Director | 11 May 2006 | 31 Dec 2011 | British | 75 years |
| Julie Deborah Wright | Director | 1 Apr 1998 | 1 Aug 2003 | British | 66 years |
| Lee James Mills | Director | 8 Dec 2011 | 2 Nov 2018 | British | 68 years |
| Liam John Cummins | Director | 13 May 1998 | 1 Feb 2001 | British | 56 years |
| Paul Richard Mainwaring | Director | 31 May 2005 | 11 May 2006 | British | 63 years |
| Richard John Adam | Director | 2 Apr 2007 | 31 Oct 2016 | British | 69 years |
| Roger William Robinson | Director | 11 May 2006 | 30 Jun 2009 | British | 75 years |
| Simon Neil Vivian | Director | 22 Apr 2005 | 11 May 2006 | British | 69 years |
| Sir John Christopher Gains | Director | 10 Apr 1996 | 22 Apr 2005 | British | 81 years |
| Stephen John Day | Director | 1 Jun 1998 | 17 Aug 2004 | British | 59 years |
| Swift Incorporations Limited | Corporate Nominee Secretary | 24 Nov 1995 | 13 Dec 1995 | United Kingdom | - |
| Thomas Donald Kenny | Director | 13 Dec 1995 | 31 Dec 1997 | British | 72 years |
| Timothy Francis George | Secretary | 9 Jun 2006 | 14 Feb 2012 | British | - |
| Zafar Iqbal Khan | Director | 31 Oct 2016 | 11 Sept 2017 | British | 58 years |