| Adrienne Clare Bloch | Director | 24 Sept 2003 | 13 Oct 2005 | British | 57 years |
| Andrew James Ballsdon | Director | 5 May 2004 | 12 Dec 2008 | British | 60 years |
| Andrew Malcolm Bell | Director | 18 Nov 2010 | 28 Sept 2012 | British | 51 years |
| Anthony Charles Roper | Director | 19 Apr 2002 | 2 Jun 2003 | British | 65 years |
| Caroline Elizabeth Sheppard | Director | 5 Mar 2014 | 27 Jan 2016 | British | 44 years |
| Christopher Richard Field | Director | 20 Sept 2019 | 7 Jan 2022 | British | 70 years |
| David Gordon Smith | Director | 1 Jun 2005 | 26 Nov 2010 | British | 65 years |
| Derek Potts | Director | 19 Apr 2002 | 24 Sept 2003 | British | 67 years |
| Gresa Daullxhi | Director | 26 Oct 2016 | 30 Apr 2019 | British | 39 years |
| Ian David Lamerton | Director | 25 Jan 2022 | 1 Mar 2023 | British | 57 years |
| Jamie Pritchard | Director | 19 Jul 2019 | 31 Oct 2019 | British | 54 years |
| John Cann | Director | 17 Sept 2004 | 8 Nov 2005 | British | 68 years |
| John Frederick Rowsell | Director | 1 Jun 2005 | 31 May 2006 | British | 80 years |
| John Mcdonagh | Director | 1 Mar 2023 | 20 Dec 2023 | British | 56 years |
| Joseph Mark Linney | Director | 6 Oct 2004 | 19 Feb 2008 | British | 67 years |
| Joseph Mark Linney | Director | 16 Aug 2013 | 22 Jul 2015 | British | 67 years |
| Julian Denzil Sutcliffe | Director | 22 Jul 2015 | 31 Oct 2016 | British | 57 years |
| Kevin Alistair Cunningham | Director | 31 Jul 2020 | 1 Mar 2023 | British | 43 years |
| Kirti Ratilal Shah | Director | 28 Sept 2012 | 5 Mar 2014 | British | 61 years |
| Lloyd Esau | Director | 24 Sept 2003 | 1 Jun 2005 | British | 60 years |
| Lynn Bridget Murphy | Director | 30 Apr 2019 | 31 Jul 2020 | British | 55 years |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Masume Hidayatullah | Director | 2 Jun 2003 | 6 Oct 2004 | British | 61 years |
| Melanie Isabelle Edwards | Director | 27 Jan 2016 | 12 Aug 2016 | British | 43 years |
| Michael Baybutt | Director | 12 Dec 2008 | 16 Aug 2013 | British | 71 years |
| Michael John Mercer-deadman | Director | 1 Dec 2007 | 18 Nov 2010 | British | 79 years |
| Neil Andrew Woodburn | Director | 31 Oct 2016 | 30 Apr 2019 | British | 46 years |
| Neil Smith | Director | 13 Oct 2005 | 1 Dec 2007 | British | 78 years |
| Nimisha Rajani | Director | 4 Nov 2003 | 5 May 2004 | British | 63 years |
| Peter Donne Jones | Director | 2 Jun 2003 | 16 Sept 2004 | British | 70 years |
| Peter Geoffrey Shell | Secretary | 1 Jul 2002 | 23 Mar 2007 | British | - |
| Resolis Limited | Secretary | 30 Dec 2022 | 30 Dec 2022 | United Kingdom | - |
| Richard Weston | Director | 24 Sept 2003 | 17 Nov 2003 | British | 77 years |
| Roger Keith Miller | Secretary | 19 Apr 2002 | 1 Jul 2002 | British | - |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 27 Sept 2012 | British | - |
| Stephen James Beechey | Director | 26 Nov 2010 | 9 Dec 2011 | British | 57 years |
| Steven Adi Yazdabadi | Director | 8 Sept 2006 | 23 Oct 2009 | British | 58 years |
| Teresa Sarah Hedges | Secretary | 4 Sept 2015 | 17 Sept 2018 | - | - |
| Timothy Andrew Bicknell | Director | 24 Sept 2003 | 18 Feb 2005 | British | 70 years |
| Timothy Nicholas Grier | Director | 8 Nov 2005 | 19 Jun 2008 | British | 63 years |
| Vercity Management Services Limited | Corporate Secretary | 17 Sept 2018 | 30 Dec 2022 | United Kingdom | - |