| Amy Suzanne Renshaw | Director | 16 Dec 2004 | 6 Dec 2005 | New Zealand | 50 years |
| Andre Eugene Kinghorn | Director | 11 Apr 2014 | 7 May 2018 | British | 48 years |
| Andrew Christian Cowley | Director | 6 Dec 2005 | 17 Oct 2006 | British | 63 years |
| Andrew James Ballsdon | Director | 27 Jan 2004 | 16 Dec 2004 | British | 61 years |
| Anthony Charles Roper | Director | 12 Oct 2011 | 23 Oct 2013 | British | 66 years |
| Asset Management Solutions Limited | Corporate Secretary | 2 Feb 2001 | 31 Oct 2002 | United Kingdom | - |
| Christian Lucien Corpetti | Director | 7 Nov 2012 | 16 Aug 2013 | French | 54 years |
| Christopher Richard Field | Director | 24 Sept 2019 | 10 Jan 2022 | British | 71 years |
| David Bruce Marshall | Director | 1 Sept 2007 | 1 Feb 2008 | British | 66 years |
| David Richard Bradbury | Director | 16 Aug 2013 | 30 Apr 2019 | British | 57 years |
| Elena Giorgiana Wegener | Director | 23 Oct 2013 | 16 Mar 2021 | British | 51 years |
| Farid Barekati | Director | 30 Apr 2018 | 30 Apr 2019 | British | 42 years |
| Gary Arthur Neville | Director | 6 Dec 2005 | 31 May 2007 | British | 70 years |
| Geoffrey Alan Quaife | Director | 8 Nov 2007 | 12 Sept 2018 | British | 71 years |
| Geoffrey Ernest Leake | Director | 1 Jun 2008 | 7 Nov 2012 | British | 77 years |
| Gerard David Blood | Director | 1 Feb 2001 | 2 Jun 2003 | Australian | 60 years |
| Ian David Lamerton | Director | 1 Feb 2022 | 30 Nov 2024 | British | 58 years |
| James Christopher Heath | Director | 16 Aug 2013 | 30 Apr 2018 | British | 51 years |
| James Christopher Heath | Director | 4 Sept 2018 | 16 Mar 2021 | British | 51 years |
| James Mcclure | Director | 8 Sept 2004 | 1 Dec 2007 | British | 73 years |
| John Cann | Director | 2 Jun 2003 | 6 Dec 2005 | British | 69 years |
| John Stephen Gordon | Director | 30 Apr 2019 | 30 Oct 2019 | British | 64 years |
| John Whittington | Director | 20 Jan 2000 | 2 Feb 2001 | British | 66 years |
| Keith William Pickard | Director | 12 Oct 2011 | 23 Oct 2013 | British | 58 years |
| Kevin Alistair Cunningham | Director | 31 Jul 2020 | 25 Aug 2025 | British | 44 years |
| Lynn Bridget Murphy | Director | 30 Apr 2019 | 31 Jul 2020 | British | 56 years |
| Malcolm Duncan Mccoll | Director | 1 Nov 2001 | 8 Aug 2003 | British | 55 years |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Michael Baybutt | Director | 6 Feb 2009 | 16 Aug 2013 | British | 72 years |
| Michael John Mercer-deadman | Director | 1 Dec 2007 | 6 Feb 2009 | British | 80 years |
| Natalia Poupard | Director | 31 May 2007 | 1 Sept 2007 | Moldovan | 49 years |
| Neil Smith | Director | 2 Jun 2003 | 1 Dec 2007 | British | 79 years |
| Peter Geoffrey Shell | Secretary | 12 Apr 2002 | 23 Mar 2007 | British | - |
| Peter Richard Armstrong | Director | 1 Dec 2007 | 6 Feb 2009 | British | 64 years |
| Philip Naylor | Secretary | 4 Sept 2015 | 30 Nov 2016 | - | - |
| Phillip John Cooper | Director | 17 Aug 2007 | 1 Oct 2011 | British | 77 years |
| Richard Cyril Smith | Director | 1 Nov 2001 | 25 Jun 2004 | British | 73 years |
| Richard Gregory Curtis | Secretary | 20 Jan 2000 | 2 Feb 2001 | British | - |
| Richard Weston | Director | 20 Jan 2000 | 17 Nov 2003 | British | 78 years |
| Robert James Newton | Director | 30 Jan 2012 | 7 May 2018 | British | 70 years |
| Robert Milton Frost | Director | 17 Oct 2006 | 23 Apr 2007 | British | 59 years |
| Roger Keith Miller | Secretary | 2 Feb 2001 | 12 Apr 2002 | British | - |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 27 Sept 2012 | British | - |
| Teresa Sarah Hedges | Secretary | 30 Nov 2016 | 17 Sept 2018 | - | - |
| Vanessa Claudia Tiziana Gilodi - Johnson | Director | 23 Apr 2007 | 15 Aug 2007 | British | 56 years |
| Vercity Management Services Limited | Corporate Secretary | 17 Sept 2018 | 30 Jun 2024 | United Kingdom | - |