| Ailison Louise Mitchell | Secretary | 10 Feb 2018 | 31 Jan 2022 | - | - |
| Conor James Geary | Director | 1 Jan 2014 | 30 Jun 2014 | Irish | 53 years |
| David Alexander John Foot | Director | 30 May 2018 | 26 Nov 2019 | British | 58 years |
| Douglas Iain Sutherland | Director | 24 Mar 2009 | 6 Jul 2010 | British | 61 years |
| Fcc Construccion S.a. | Corporate Director | 19 May 2009 | 24 May 2013 | United Kingdom | - |
| John David Harris | Director | 20 Nov 2012 | 21 Sept 2015 | British | 61 years |
| John Stephen Gordon | Director | 1 Nov 2015 | 2 Oct 2020 | British | 64 years |
| John Stephen Gordon | Director | 1 Apr 2022 | 29 Jan 2024 | British | 64 years |
| Leo William Mckenna | Director | 26 Nov 2019 | 31 Dec 2022 | Irish | 60 years |
| Mark Geoffrey David Holden | Director | 24 May 2013 | 21 Nov 2017 | British | 69 years |
| Michael Alexander Mcnally | Director | 15 Mar 2016 | 30 Nov 2017 | British | 50 years |
| Murtaza Gulamabbas Hameer | Director | 30 Jun 2014 | 15 Mar 2016 | British | 47 years |
| Nevasa Inversion S L | Corporate Director | 19 May 2009 | 24 May 2013 | United Kingdom | - |
| Noel Michael Elliott | Director | 19 May 2009 | 25 Nov 2011 | British | 54 years |
| Paul Maitland Whitehead | Director | 20 Nov 2012 | 1 Jan 2014 | British | 58 years |
| Peter Emsden | Director | 19 May 2009 | 20 Nov 2012 | British | 65 years |
| Robert James Marsden | Director | 24 Mar 2009 | 1 Sept 2017 | British | 71 years |
| Robert James Newton | Director | 24 May 2013 | 8 May 2018 | British | 70 years |
| Roger Mark Thompson | Director | 1 Sept 2017 | 30 Nov 2017 | British | 72 years |
| Roger Mark Thompson | Director | 30 Nov 2017 | 1 Apr 2022 | British | 72 years |
| Scott Springett | Director | 21 Nov 2017 | 26 Nov 2019 | British | 58 years |
| Stephen Michael Jones | Director | 6 Jul 2010 | 1 Sept 2017 | British | 58 years |
| Tughans Company Secretarial Limited | Corporate Secretary | 24 Mar 2009 | 10 Feb 2018 | United Kingdom | - |
| Vialia Sociedad Gestora De Concesiones De Infraestructuras S.l. | Corporate Director | 19 May 2009 | 24 May 2013 | United Kingdom | - |
