GALLIFORD TRY SECRETARIAT SERVICES LIMITED ACTIVERegistration number 07970508 | Secretary | 10 Feb 2022 | | | | Blake House, 3 Frayswater Place, Cowley, Uxbridge, Middlesex, UB8 2AD, United Kingdom |
| FRENCH, Desmond Mark ACTIVE | Director | 01 Feb 2026 | | Scotland | July 1975 | 12, Christie Road, Edinburgh, EH14 5AD, United Kingdom |
| GUILD, John Maclean ACTIVE | Director | 27 Nov 2020 | | United Kingdom | June 1965 | PO BOX 17452, 2 Lochside View, Edinburgh, Scotland, EH12 1LB, Scotland |
| HARRIS, Philip Jonathan ACTIVE | Director | 09 Feb 2024 | | United Kingdom | February 1971 | 2nd Floor, 2 Lochside View, Edinburgh, EH12 9DH, Scotland |
| HEIA, Trond ACTIVE | Director | 31 Oct 2025 | | Norway | February 1973 | 2nd Floor, 2 Lochside View, Edinburgh, EH12 9DH, Scotland |
| REARDON, Christopher Michael ACTIVE | Director | 01 Oct 2026 | | Scotland | December 1989 | 2nd Floor, 2 Lochside View, Edinburgh, EH12 9DH, United Kingdom |
| RITCHIE, Alan Campbell ACTIVE | Director | 31 Mar 2020 | | United Kingdom | April 1967 | 4th Floor, 1 Gresham Street, London, EC2V 7BX, United Kingdom |
| WHITE, Barry Edward ACTIVE | Director | 01 Oct 2021 | | Scotland | August 1965 | 2nd Floor, 2 Lochside View, Edinburgh, EH12 9DH, Scotland |
| HOLDEN, Rosamond RESIGNED | Secretary | 13 Feb 2020 | 20 Aug 2021 | | | 350, Euston Road, Regent's Place, London, NW1 3AX, England |
| KONTARINES, Matthew Alexander RESIGNED | Secretary | 02 Oct 2017 | 15 Nov 2018 | | | Amber Court, William Armstrong Drive, Newcastle Business Park, Newcastle Upon Tyne, NE4 7YQ, United Kingdom |
| MARSHALL, Nigel RESIGNED | Secretary | 23 Oct 2014 | 23 Mar 2015 | | | Balfour Beatty Investments, Regent's Place, 350 Euston Road, London, NW1 3AX, United Kingdom |
| SHUTT, Sarah RESIGNED | Secretary | 20 Aug 2021 | 09 Feb 2022 | | | 350, Euston Road, Regent's Place, London, NW1 3AX, United Kingdom |
| SHUTT, Sarah RESIGNED | Secretary | 15 Nov 2018 | 13 Feb 2020 | | | 350, Euston Road, Regent's Place, London, NW1 3AX, United Kingdom |
| SHUTT, Sarah RESIGNED | Secretary | 11 May 2017 | 02 Oct 2017 | | | 350, Euston Road, Regent's Place, London, NW1 3AX, United Kingdom |
| WILLIAMS, Clayre Shona RESIGNED | Secretary | 23 Mar 2015 | 11 May 2017 | | | 6th Floor 350 Euston Road, Regent's Place, London, NW1 3AX, United Kingdom |
| BAXTER, Mark RESIGNED | Director | 23 Oct 2014 | 09 Feb 2024 | United Kingdom | March 1972 | PO BOX 17452, 2 Lochside View, Edinburgh, Midlothian, EH12 9DH, United Kingdom |
| BEAUCHAMP, Andy Clive RESIGNED | Director | 23 Oct 2014 | 23 Mar 2015 | Uk | March 1959 | Balfour Beatty Investments, Regent's Place, 350 Euston Road, London, NW1 3AX, United Kingdom |
| BROWNE, Colin Antony RESIGNED | Director | 14 Oct 2015 | 31 Mar 2020 | United Kingdom | October 1957 | Carillion House, 84 Salop Street, Wolverhampton, WV3 0SR, United Kingdom |
| DEAN, Andrew RESIGNED | Director | 23 Mar 2015 | 06 Feb 2019 | United Kingdom | July 1967 | Maxim 7, Maxim Office Park, Parklands Avenue, Eurocentral, Holytown, Scotland, ML1 4WQ, Scotland |
| HERZBERG, Francis Robin RESIGNED | Director | 14 Dec 2017 | 31 Mar 2020 | England | December 1956 | Carillion House, 84 Salop Street, Wolverhampton, WV3 0SR, United Kingdom |
| HOPE, John Alexander RESIGNED | Director | 15 Feb 2015 | 31 Jul 2017 | United Kingdom | January 1957 | Eildon, 17 Craigielaw Park, Aberlady, Longniddry, East Lothian, EH32 0PR, United Kingdom |
| LOVE, Brian RESIGNED | Director | 23 Oct 2014 | 27 Nov 2020 | United Kingdom | May 1979 | PO BOX 17452, 2 Lochside View, Edinburgh, Midlothian, EH12 9DH, United Kingdom |
| NAAFS, Albert Hendrik RESIGNED | Director | 07 Aug 2021 | 31 Oct 2025 | Netherlands | January 1965 | 1, Grenfell Road, Maidenhead, Berkshire, SL6 1HN, England |
| RAE, Neil, Mr. RESIGNED | Director | 31 Mar 2020 | 01 Oct 2026 | United Kingdom | October 1971 | 4th Floor, 1 Gresham Street, London, EC2V 7BX, United Kingdom |
| REEKIE, Peter Charles Maxwell RESIGNED | Director | 15 Dec 2016 | 01 Oct 2021 | Scotland | September 1971 | 11-15, Thistle Street, 1st Floor, Edinburgh, Scotland, EH2 1DF, Scotland |
| SCHRAMM, Frank Manfred RESIGNED | Director | 07 Aug 2021 | 31 Jan 2024 | Germany | August 1968 | 1, Grenfell Road, Maidenhead, Berkshire, SL6 1HN, England |
| STANTON, Matthew RESIGNED | Director | 06 Feb 2019 | 06 Aug 2021 | United Kingdom | November 1975 | 6th Floor, 350 Euston Road, Regents Place London, NW1 3AX, United Kingdom |
| TAYLER, Ian RESIGNED | Director | 31 Jan 2024 | 01 Feb 2026 | United Kingdom | April 1976 | 1, Grenfell Road, Maidenhead, Berkshire, SL6 1HN, United Kingdom |
| TRODD, Martyn Andrew RESIGNED | Director | 23 Oct 2014 | 14 Dec 2017 | United Kingdom | December 1967 | 24, Birch Street, Wolverhampton, West Midlands, WV1 4HY, United Kingdom |
| TURNER, Richard Charles RESIGNED | Director | 23 Oct 2014 | 14 Oct 2015 | England | December 1967 | 25, Maddox Street, London, W1S 2QN, United Kingdom |
| WALKER, Brian Roland RESIGNED | Director | 23 Oct 2014 | 06 Aug 2021 | England | September 1955 | Balfour Beatty Investments, Regent's Place, 350 Euston Road, London, NW1 3AX, United Kingdom |