| Anthony Jade Phillips | Director | 21 Nov 2007 | 3 Mar 2008 | British | 52 years |
| Benjamin Christopher Jacob Dean | Director | 7 Dec 2011 | 12 Jun 2012 | English | 47 years |
| Brian Mervyn Semple | Director | 12 Jun 2012 | 30 Apr 2016 | British | 80 years |
| Carl Harvey Dix | Director | 7 Dec 2011 | 30 Apr 2019 | British | 60 years |
| David John Asteraki | Director | 22 Sept 2008 | 26 Nov 2008 | British | 68 years |
| David John Brooking | Director | 30 Apr 2016 | 1 Oct 2018 | British | 59 years |
| David Richard Bradbury | Director | 16 Aug 2013 | 30 Apr 2019 | British | 57 years |
| Gregory David Pearce | Director | 12 Dec 2008 | 28 Jun 2011 | Australian/british | 55 years |
| Hcp Management Services Limited | Corporate Secretary | 17 Sept 2018 | 30 Sept 2019 | United Kingdom | - |
| Infrastructure Managers Limited | Corporate Secretary | 30 Sept 2019 | 30 Sept 2024 | United Kingdom | - |
| James Eldridge | Director | 17 Mar 2008 | 21 Jul 2010 | Australian | 69 years |
| John Charles Russell | Director | 21 Jul 2010 | 28 Jun 2011 | British | 62 years |
| London Law Secretarial Limited | Corporate Nominee Secretary | 9 Dec 2004 | 9 Dec 2004 | - | - |
| London Law Services Limited | Corporate Nominee Director | 9 Dec 2004 | 9 Dec 2004 | - | - |
| Maria Lewis | Secretary | 27 Sept 2012 | 4 Sept 2015 | British | - |
| Michael Baybutt | Director | 9 Dec 2004 | 21 Nov 2007 | British | 72 years |
| Michael Baybutt | Director | 14 Jan 2009 | 16 Aug 2013 | British | 72 years |
| Michael John Mercer-deadman | Director | 21 Nov 2007 | 7 Dec 2011 | British | 80 years |
| Nicholas John Edward Crowther | Director | 28 Jun 2011 | 7 Dec 2011 | British | 66 years |
| Paul Francis Cuttance | Director | 17 Mar 2008 | 22 Sept 2008 | Australian | 62 years |
| Peter Geoffrey Shell | Secretary | 9 Dec 2004 | 23 Mar 2007 | British | - |
| Richard Cyril Smith | Director | 9 Dec 2004 | 21 Nov 2007 | British | 73 years |
| Richard Cyril Smith | Director | 3 Mar 2008 | 14 Jan 2009 | British | 73 years |
| Roger Keith Miller | Secretary | 23 Mar 2007 | 27 Sept 2012 | British | - |
| Teresa Sarah Hedges | Secretary | 4 Sept 2015 | 17 Sept 2018 | - | - |
