| Alnery Incorporations No 1 Limited | Corporate Nominee Director | 19 Jul 1996 | 5 Nov 1997 | - | - |
| Alnery Incorporations No 1 Limited | Corporate Nominee Secretary | 19 Jul 1996 | 5 Nov 1997 | - | - |
| Alnery Incorporations No 2 Limited | Corporate Nominee Director | 19 Jul 1996 | 5 Nov 1997 | - | - |
| Andrew Crawshaw | Director | 31 Mar 2008 | 31 Mar 2008 | British | 59 years |
| Andrew Julian Crawshaw | Director | 31 Mar 2008 | 24 Jun 2010 | British | 59 years |
| Anthony Bruce Cornwell | Director | 30 Apr 1999 | 9 Oct 2001 | British | 82 years |
| Biif Corporate Services Limited | Corporate Director | 25 Oct 2012 | 25 Jan 2016 | United Kingdom | - |
| Carol Elaine Bailey | Director | 1 Oct 2003 | 6 May 2005 | British | 70 years |
| Carol Elaine Bailey | Director | 11 May 2000 | 11 Dec 2002 | British | 70 years |
| David John Cooke | Secretary | 5 Nov 1997 | 28 May 2002 | British | - |
| Donald Herbert Keens | Director | 11 May 2000 | 2 Jul 2003 | British | 81 years |
| Francesca Anne Todd | Secretary | 1 Sept 2003 | 5 Jul 2006 | British | - |
| Gavin Hill | Director | 1 Sept 2004 | 31 Mar 2008 | British | 57 years |
| George Christopher Zoley | Director | 5 Nov 1997 | 11 May 2000 | American | 75 years |
| Graham Baldock | Director | 24 Jun 2010 | 31 Mar 2020 | British | 67 years |
| Guy William Leach | Director | 5 Nov 1997 | 1 Sept 2003 | British | 62 years |
| James Duncan Carter | Director | 1 Oct 2003 | 6 May 2005 | British | 66 years |
| John Daniel Michael Jeffery | Director | 20 Mar 2003 | 6 May 2005 | British | 76 years |
| John Ivor Cavill | Director | 25 Jan 2016 | 1 Apr 2024 | British | 53 years |
| John Mcdonagh | Director | 23 Jun 2008 | 19 Mar 2009 | British | 56 years |
| John Smith | Director | 26 Jan 2004 | 6 May 2005 | British | 75 years |
| Kevin Stanley Beeston | Director | 30 Apr 1999 | 20 Mar 2003 | British | 63 years |
| Kevin Tony Lewis | Director | 5 Nov 1997 | 11 May 2000 | Australian | 82 years |
| Kevin Tony Lewis | Director | 11 Dec 2002 | 2 Jul 2003 | Australian | 82 years |
| Mark William Mead | Director | 2 Dec 2006 | 23 Jun 2008 | British | 61 years |
| Matthias Alexander Reicherter | Director | 19 Mar 2009 | 30 Sept 2011 | German | 55 years |
| Michael Ryan | Director | 23 Jun 2008 | 19 Mar 2009 | Irish | 59 years |
| Neil Hayward | Director | 2 Jul 2003 | 8 Oct 2004 | British | 60 years |
| Nigel Lloyd Beswick | Director | 2 Jul 2003 | 1 Sept 2004 | British | 62 years |
| Nigel Lloyd Beswick | Secretary | 28 May 2002 | 1 Sept 2004 | British | - |
| Nigel Wythen Middleton | Director | 19 Mar 2009 | 25 Oct 2012 | British | 69 years |
| Peter John Sheldrake | Director | 29 Jun 2018 | 14 Nov 2023 | British | 66 years |
| Philip John Edwards | Director | 1 Oct 2003 | 6 May 2005 | British | 76 years |
| Philip Peter Ashbrook | Director | 25 Jul 2014 | 29 Jun 2018 | British | 65 years |
| Richard David Hoile | Director | 25 Oct 2012 | 25 Jul 2014 | British | 62 years |
| Ronald Tasker | Director | 1 Oct 2003 | 31 Oct 2004 | British | 81 years |
| Serajul Islam Taiyeb | Director | 9 Oct 2001 | 6 May 2005 | British | 69 years |
| Serco Corporate Services Limited | Corporate Secretary | 6 Nov 2007 | 23 Jun 2008 | United Kingdom | - |
| Thomas Justin Haga | Director | 30 Sept 2011 | 25 Oct 2012 | British | 49 years |
| Thomas Richard Phineas Riall | Director | 6 May 2005 | 23 Jun 2008 | British | 65 years |
| Wayne Howard Calabrese | Director | 5 Nov 1997 | 2 Jul 2003 | American | 75 years |
| William Edmond Moore | Secretary | 5 Jul 2006 | 6 Nov 2007 | British | - |
| William Frank Futcher | Director | 5 Nov 1997 | 19 Jul 1999 | British | 78 years |
| William Wright Mcnaught | Director | 2 Dec 2006 | 31 Mar 2008 | British | 80 years |