| Christopher John Blundell | Director | 6 Jan 2023 | 29 Aug 2025 | British | 60 years |
| Graham Baldock | Director | 20 Jul 2010 | 31 Mar 2020 | British | 68 years |
| Ian Richard Gethin | Director | 31 Dec 2022 | 1 Oct 2025 | British | 55 years |
| Infrastructure Managers Limited | Corporate Secretary | 9 Jan 2014 | 1 May 2016 | United Kingdom | - |
| Mark William Mead | Director | 9 Jun 2010 | 30 Jun 2010 | British | 62 years |
| Matthias Alexander Reicherter | Director | 30 Jun 2010 | 30 Sept 2011 | German | 56 years |
| Nigel Wythen Middleton | Director | 30 Jun 2010 | 25 Oct 2012 | British | 70 years |
| Philip Peter Ashbrook | Director | 25 Jul 2014 | 21 Mar 2016 | British | 66 years |
| Phillip Joseph Dodd | Director | 21 Mar 2016 | 10 Jun 2016 | British | 71 years |
| Phillip Joseph Dodd | Director | 1 Apr 2020 | 31 Dec 2022 | British | 71 years |
| Richard David Hoile | Director | 25 Oct 2012 | 25 Jul 2014 | British | 63 years |
| Serco Corporate Services Limited | Corporate Secretary | 20 Jul 2010 | 9 Jan 2014 | United Kingdom | - |
| Thomas Justin Haga | Director | 27 Oct 2011 | 25 Oct 2012 | British | 50 years |
| Thomas Justin Haga | Director | 19 Nov 2012 | 21 Mar 2016 | British | 50 years |
