| Alfred Thomas Mockett | Director | 9 Oct 1992 | 11 Nov 1992 | British | 77 years |
| Alfred Thomas Mockett | Director | 30 Jun 1994 | 8 Mar 1995 | British | 77 years |
| Andrew James Green | Director | 5 Nov 1997 | 23 Feb 2000 | British | 71 years |
| Andrew William Longden | Director | 23 Feb 2000 | 19 Nov 2001 | British | 69 years |
| Anthony John Booth | Director | 11 Nov 1992 | 1 Jul 1994 | British | 87 years |
| Cedric Stafford Taylor | Director | 9 Oct 1992 | 11 Oct 1993 | British | 83 years |
| Cedric Stafford Taylor | Director | 9 Oct 1993 | 9 Oct 1994 | British | 83 years |
| Cedric Stafford Taylor | Director | 8 Mar 1995 | 23 Oct 1997 | British | 83 years |
| Christopher Charles Shirtcliffe | Director | 9 Oct 1992 | 10 Nov 1999 | British | 82 years |
| Christopher Martin Earnshaw | Director | 9 Oct 1992 | 23 Jun 1994 | British | 72 years |
| David Andrew Wilson | Director | 16 Dec 1993 | 23 Feb 2000 | United Kingdom | 78 years |
| David Johnston | Director | 30 Jan 2004 | 20 Aug 2004 | Irish | 54 years |
| David Paul Mcglade | Director | 26 Jun 2003 | 31 Mar 2005 | American | 66 years |
| Edmund Alan Hough | Director | 1 Feb 1995 | 26 Aug 1997 | British | 82 years |
| Edward Augustus Smith | Director | 17 Nov 2011 | 24 Apr 2014 | British | 55 years |
| Howard Ford | Director | 1 Aug 1994 | 7 Mar 1997 | British | 76 years |
| Ian Alan Bull | Director | 17 Sept 1997 | 18 Sept 1997 | British | 65 years |
| Jeffrey Pack | Director | 17 Mar 1998 | 10 Nov 1999 | British | 80 years |
| Jillian Phillips | Director | 19 Sept 2001 | 9 Oct 2001 | British | 64 years |
| Justine Campbell | Director | 31 Oct 2006 | 29 Dec 2008 | Irish | 56 years |
| Katherine Ann Jarvis | Director | 31 Dec 2008 | 17 Nov 2011 | British | 59 years |
| Lynda Hulme Stapleton | Secretary | 9 Oct 1992 | 15 Jul 1994 | British | - |
| Lynda Hulme Stapleton | Secretary | 1 Feb 1995 | 5 Nov 1995 | British | - |
| Malcolm James Fallen | Director | 31 Aug 1995 | 29 Aug 1997 | British | 67 years |
| Mark Burgess | Director | 14 Jul 2001 | 15 Jan 2002 | British | 73 years |
| Mark Burgess | Secretary | 14 Jul 2001 | 28 Jun 2002 | British | - |
| Mark Evans | Director | 3 Jan 2012 | 1 Jun 2021 | British | 57 years |
| Matthew David Key | Director | 16 Sept 2002 | 14 May 2008 | British | 63 years |
| Michael Bett | Director | 9 Oct 1992 | 13 Dec 1999 | British | 91 years |
| Michael David John Tilley | Director | 23 Jun 1994 | 4 Nov 1997 | British | 76 years |
| Niall William Norton | Director | 20 Mar 2003 | 30 Jan 2004 | Irish | 59 years |
| Nicholas Charles Norton | Director | 3 Mar 1999 | 11 Nov 1999 | British | 69 years |
| Nicholas John Eldred | Director | 23 Feb 2000 | 13 Jul 2001 | British | 63 years |
| Nicholas John Eldred | Secretary | 15 Jul 1994 | 1 Feb 1995 | British | - |
| Nicholas John Eldred | Secretary | 6 Nov 1995 | 13 Jul 2001 | British | - |
| Nigel Edward Griffiths | Director | 7 May 1999 | 1 Nov 1999 | British | 79 years |
| Nigel Edward Griffiths | Director | 7 May 1999 | 11 Nov 1999 | British | 79 years |
| O2 Nominees Limited | Corporate Secretary | 28 Jun 2002 | 10 Nov 2009 | - | - |
| Patricia Cobian | Director | 1 Aug 2016 | 24 Jul 2025 | Spanish | 51 years |
| Paul Whelan | Director | 20 Aug 2004 | 24 Apr 2014 | Irish | 63 years |
| Peter Anthony Erskine | Director | 24 Oct 1997 | 23 Feb 2000 | British | 75 years |
| Peter Frederick Howard Towle | Director | 9 Oct 1992 | 13 Dec 1994 | British | 113 years |
| Philip Nicholas Bramwell | Director | 19 Nov 2001 | 31 Oct 2006 | British | 69 years |
| Ramon Ros Bigeriego | Director | 1 May 2008 | 16 Mar 2011 | Spanish | 59 years |
| Raymond Smith | Director | 24 Mar 1997 | 31 Mar 1998 | British | 71 years |
| Richard Barker Davenport | Director | 17 Sept 1997 | 22 Jan 1998 | British | 77 years |
| Robert John Harwood | Director | 19 Nov 2001 | 24 Apr 2014 | British | 66 years |
| Robert John Harwood | Director | 1 Dec 2015 | 18 Dec 2015 | British | 66 years |
| Robert Warner | Director | 9 Oct 1992 | 1 Aug 1994 | British | 76 years |
| Robert Warner | Director | 24 Sept 1997 | 24 Oct 1997 | British | 76 years |
| Robert Warner | Director | 1 Apr 1998 | 23 Feb 2000 | British | 76 years |
| Roger Sydney William Hale Wiggs | Director | 9 Oct 1992 | 10 Nov 1999 | British | 87 years |
| Ronan James Dunne | Director | 20 Apr 2005 | 1 Aug 2016 | Irish | 63 years |
| Stephen John Prior | Director | 23 Feb 2000 | 19 Nov 2001 | British | 73 years |
| Vivek Dev | Director | 15 Jan 2002 | 31 Dec 2008 | British | 68 years |
| William Matthew Gorjance | Director | 15 Jan 2002 | 16 Sept 2002 | American | 70 years |