| Adrian Michael Guttridge | Director | 22 Jan 2002 | 21 Nov 2003 | British | 64 years |
| Aimie Nicole Chapple | Director | 6 May 2020 | 17 Oct 2022 | British | 57 years |
| Alun Arthur Gwynne Chalfont | Director | 5 Sept 1994 | 27 Dec 1996 | British | 107 years |
| Andrew James Hunt | Director | 12 May 2005 | 3 Aug 2007 | British | 62 years |
| Andrew John Bowman | Director | 6 May 2020 | 21 Jun 2022 | British | 54 years |
| Andrew Peel Fritchie | Director | 5 Jan 2001 | 21 Apr 2004 | British | 62 years |
| Andrew Peel Fritchie | Secretary | 7 May 1998 | 21 Apr 2004 | British | - |
| Anne Louise Sheffield | Secretary | 18 Aug 2008 | 1 Sept 2011 | British | - |
| Anthony Brian Klim | Director | 5 Jan 2001 | 21 Apr 2004 | British | 68 years |
| Anthony Hugh Ayres | Director | 5 Jan 2001 | 12 Jun 2004 | British | 69 years |
| Antony Paul Brown | Director | 8 Mar 2021 | 7 Apr 2022 | British | 63 years |
| Aparajita Ajit | Director | 12 Apr 2022 | 9 Apr 2024 | British | 50 years |
| Chris Thompson | Director | 14 Oct 2013 | 14 Aug 2015 | British | 67 years |
| Christopher Francis Henry Baker | Director | 14 Nov 2016 | 6 May 2020 | British | 71 years |
| Christopher Herbert Ryland | Director | 31 Dec 1991 | 12 May 2005 | British | 78 years |
| Colin John Hayfield | Director | 23 Dec 1994 | 27 Dec 1996 | British | 71 years |
| Colin John Hayfield | Secretary | 31 Oct 1996 | 7 May 1998 | British | - |
| Colm Fagan | Director | 19 Feb 2001 | 5 Nov 2004 | Irish | 77 years |
| Craig Hilton Rodgerson | Director | 14 Aug 2015 | 14 Nov 2016 | British | 62 years |
| Dale Stanley Shepherd | Director | 26 Mar 2007 | 2 Jan 2008 | American | 79 years |
| David Edwards | Director | 5 Jan 2001 | 12 May 2005 | British | 67 years |
| David James Lockie | Director | 14 Aug 2015 | 1 Sept 2018 | British | 53 years |
| David John Phillips | Director | 5 Jan 2001 | 16 Jul 2004 | British | 70 years |
| David Lloyd Thomas | Director | 5 Jan 2001 | 5 Nov 2004 | British | 77 years |
| David Power | Director | 5 Jan 2001 | 31 Jul 2005 | British | 67 years |
| David Robert Gales | Director | 31 Dec 1991 | 2 Mar 2004 | British | 74 years |
| Edward Mark Charlesworth | Director | 28 Apr 2009 | 1 Aug 2011 | British | 65 years |
| Gavin Keith James | Director | 2 Jan 2008 | 14 Aug 2015 | British | 63 years |
| Gavin Norwood | Director | 22 Jan 2002 | 1 Aug 2003 | British | 60 years |
| Graham Coxell | Director | 5 Jan 2001 | 1 Apr 2003 | British | 57 years |
| Huw Dewi Evans | Director | 31 Dec 1991 | 3 Sept 2004 | British | 77 years |
| Ian Robert Lyons | Director | 1 Sept 1993 | 4 Dec 1995 | British | 66 years |
| James Mark Deane | Director | 31 Dec 1991 | 31 Jan 1995 | British | 71 years |
| Jeffrey George John Chittenden | Director | 26 Mar 2007 | 7 Oct 2009 | British | 78 years |
| John Anthony Gittins | Director | 12 May 2005 | 26 Mar 2007 | British | 66 years |
| John Harkness | Director | 4 Nov 1996 | 31 Dec 1999 | British | 72 years |
| Jonathan Francis Kirby | Director | 1 May 1995 | 31 Oct 1996 | British | 72 years |
| Jonathan Francis Kirby | Secretary | 3 Mar 1992 | 31 Oct 1996 | British | - |
| Mark Billingham | Director | 17 Oct 2022 | 31 Mar 2023 | British | 47 years |
| Michael Patrick Collier | Director | 14 Aug 2015 | 21 Oct 2016 | British | 51 years |
| Patrick Michael Mason | Director | 22 Jan 2002 | 9 Aug 2002 | British | 74 years |
| Paul Anthony Colin Seymour | Director | 1 Jan 1994 | 27 Dec 1996 | British | 82 years |
| Paul Martin Keegan | Director | 1 Jan 1994 | 7 May 1998 | British | 67 years |
| Paul Terence Sweeny | Director | 28 Aug 2009 | 13 Mar 2012 | British | 73 years |
| Richard Halton Graham | Director | 26 Mar 2007 | 8 Aug 2008 | Canadian | 64 years |
| Richard Hawke Collins | Secretary | 1 Sept 2011 | 31 Dec 2012 | - | - |
| Robert Charles Coyle | Director | 1 Aug 2011 | 31 Dec 2013 | British | 61 years |
| Ruby Prentice | Secretary | 31 Dec 1991 | 3 Mar 1992 | British | - |
| Stefan John Maynard | Director | 14 Aug 2015 | 6 May 2020 | British | 54 years |
| Stephen Bailey | Secretary | 30 Apr 2014 | 20 Aug 2014 | - | - |
| Stephen Gledhill | Secretary | 31 Dec 2012 | 30 Apr 2014 | - | - |
| Stephen Jeremy Thomas | Secretary | 21 Apr 2004 | 12 May 2005 | British | - |
| Stephen Robert Ferry | Director | 1 Sept 2018 | 31 Dec 2019 | British | 57 years |
| Steven James Barker | Secretary | 20 Aug 2014 | 14 Aug 2015 | - | - |
| Steven John Jones | Director | 1 Sept 1993 | 24 Sept 1996 | British | 65 years |
| Stuart Leslie Greenslade | Director | 31 Dec 1991 | 31 Jan 1995 | British | 87 years |
| Thomas Waterworth Drury | Director | 12 May 2005 | 26 Mar 2007 | British/canadian | 65 years |
| Timothy Lloyd Birkett | Secretary | 26 Mar 2007 | 18 Aug 2008 | British | - |
| Uu Secretariat Limited | Corporate Secretary | 12 May 2005 | 26 Mar 2007 | United Kingdom | - |