| Adrian Michael Guttridge | Director | 15 May 2003 | 21 Nov 2003 | British | 64 years |
| Alfred Barrington Meeks | Director | 17 Sept 2013 | 14 Aug 2015 | British | 72 years |
| Andrea Adams | Director | 26 Feb 2008 | 12 Sept 2008 | British | 59 years |
| Andrew Ian White | Director | 20 Aug 2002 | 10 Feb 2003 | British | 65 years |
| Andrew James Hunt | Director | 9 Jun 2005 | 3 Aug 2007 | British | 62 years |
| Andrew James Patrick Godden | Director | 12 Sept 2005 | 28 Jun 2006 | British | 52 years |
| Andrew Peel Fritchie | Secretary | 23 Nov 2000 | 21 Apr 2004 | British | - |
| Anne Louise Sheffield | Secretary | 18 Aug 2008 | 30 Apr 2011 | British | - |
| Chris Thompson | Director | 14 Oct 2013 | 31 Dec 2015 | British | 67 years |
| Colin Philip Whittle | Director | 2 Nov 2007 | 31 Jul 2008 | British | 72 years |
| Dale Stanley Shepherd | Director | 9 Aug 2007 | 2 Jan 2008 | American | 79 years |
| Darren Pope | Director | 8 Jun 2005 | 31 Jan 2006 | British | 61 years |
| David Charles Trendle | Director | 26 Jan 2018 | 23 Nov 2018 | British | 56 years |
| David Colin Doyle | Director | 17 Oct 2003 | 16 May 2005 | Australian | 60 years |
| David Edwards | Director | 21 Nov 2003 | 30 Apr 2008 | British | 67 years |
| David George Green | Director | 11 Sept 1997 | 23 Nov 2000 | British | 76 years |
| David John Phillips | Director | 2 Jan 2001 | 16 Jul 2004 | British | 70 years |
| Derek John Councell | Director | 30 Jul 1993 | 8 May 1998 | British | 89 years |
| Edward Mark Charlesworth | Director | 28 Apr 2009 | 1 Aug 2011 | British | 65 years |
| Elizabeth Georgina Kelly | Director | 4 Dec 2019 | 31 May 2023 | British | 58 years |
| Gavin Keith James | Director | 2 Jan 2008 | 14 Aug 2015 | British | 63 years |
| Graham Coxell | Director | 23 Nov 2000 | 1 Apr 2003 | British | 57 years |
| Huw Dewi Evans | Director | 2 Jan 2001 | 17 May 2004 | British | 77 years |
| James D'arcy Vincent | Director | 27 Jul 2017 | 7 May 2019 | British | 60 years |
| Jeffrey George John Chittenden | Director | 9 Aug 2007 | 10 Nov 2009 | British | 78 years |
| Jeffrey George John Chittenden | Director | 10 Nov 2009 | 10 Nov 2009 | British | 78 years |
| Jeffrey George John Chittenden | Director | 18 Dec 2009 | 15 Jul 2011 | British | 78 years |
| Joseph Patrick Bradley | Director | 2 Jan 2001 | 28 Jun 2002 | British | 68 years |
| Marcella Diane Rich | Director | 14 Aug 2015 | 31 Jul 2017 | British | 59 years |
| Marcella Diane Rich | Director | 17 Nov 2017 | 10 Aug 2018 | British | 59 years |
| Michael John Lawrence | Director | 1 Jun 1992 | 31 Jul 1993 | British | 83 years |
| Michael Kevin O'leary | Director | 17 May 2004 | 12 May 2005 | British | 74 years |
| Nicolas Norman Bedford | Director | 27 Jul 2017 | 22 Feb 2018 | British | 67 years |
| Paul Jonathan Ewart Holden | Director | 15 Jul 2004 | 12 Sept 2005 | British | 64 years |
| Paul Terence Sweeny | Director | 10 Nov 2009 | 13 Mar 2012 | British | 73 years |
| Paul William Carson | Director | 14 Aug 2015 | 31 Jul 2017 | British | 45 years |
| Peter Robert Rawson | Director | 1 Jun 1992 | 31 Aug 1997 | British | 83 years |
| Richard Halton Graham | Director | 9 Aug 2007 | 8 Aug 2008 | Canadian | 64 years |
| Richard Hawke Collins | Secretary | 15 Jul 2010 | 31 Dec 2012 | - | - |
| Richard Michael Swan | Director | 2 Jan 2001 | 15 Nov 2002 | British | 69 years |
| Robert Charles Coyle | Director | 4 Aug 2011 | 31 Dec 2013 | British | 61 years |
| Robert Walker | Secretary | 1 Jun 1992 | 23 Nov 2000 | British | - |
| Simon Paul Rouse | Director | 27 Jul 2017 | 17 Nov 2017 | British | 52 years |
| Stacey Lee Cartwright | Director | 23 Nov 2000 | 26 Sept 2003 | British | 63 years |
| Stephen Bailey | Secretary | 30 Apr 2014 | 20 Aug 2014 | - | - |
| Stephen Gledhill | Director | 9 Aug 2007 | 30 Apr 2014 | British | 73 years |
| Stephen Gledhill | Secretary | 31 Dec 2012 | 30 Apr 2014 | - | - |
| Stephen Jeremy Thomas | Secretary | 21 Apr 2004 | 12 May 2005 | British | - |
| Steven James Barker | Director | 20 Aug 2014 | 14 Aug 2015 | British | 47 years |
| Steven James Barker | Secretary | 20 Aug 2014 | 14 Aug 2015 | - | - |
| Timothy Lloyd Birkett | Secretary | 26 Mar 2007 | 18 Aug 2008 | British | - |
| Uu Secretariat Limited | Corporate Secretary | 12 May 2005 | 26 Mar 2007 | United Kingdom | - |
| Wilfrid Mark Richard Davies | Director | 14 Aug 2015 | 12 Oct 2017 | British | 62 years |