| INFRASTRUCTURE MANAGERS LIMITED ACTIVE | Secretary | 04 Sep 2015 | | | | 8th Floor, 6 Kean Street, London, WC2B 4AS, United Kingdom |
| CAVILL, John Ivor ACTIVE | Director | 14 Oct 2009 | | England | October 1972 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| CUNNINGHAM, Kevin Alistair ACTIVE | Director | 25 Jun 2026 | | United Kingdom | January 1982 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| DIX, Carl Harvey ACTIVE | Director | 24 Jan 2024 | | United Kingdom | January 1966 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| KAVANAGH, Francesca ACTIVE | Director | 12 Mar 2025 | | United Kingdom | June 1985 | 9th Floor, Cobalt Square, 83-85 Hagley Road, Birmingham, B16 8QG, United Kingdom |
| TM COMPANY SERVICES LIMITED RESIGNED | Nominee Secretary | 08 Jul 1998 | 04 Sep 2015 | | | 1 Exchange Crescent, Conference Square, Edinburgh, EH3 8UL, Scotland |
| ARCHBOLD, Michael RESIGNED | Director | 29 Aug 2000 | 27 Apr 2006 | | July 1946 | Copper Beech, 5 Homewood, Cranleigh, Surrey, GU6 7HS |
| CAMPBELL, Alastair John RESIGNED | Director | 29 Mar 2011 | 01 Aug 2013 | United Kingdom | November 1969 | Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG |
| CARVALHO, Guilherme RESIGNED | Director | 23 Apr 2009 | 22 Feb 2011 | | January 1975 | 1 Churchill Place, Canary Wharf, London, E14 4BB |
| CASHMORE, James RESIGNED | Director | 30 Jul 1999 | 03 May 2000 | | February 1955 | 4 College Farm Close, Oddington, Kidlington, Oxfordshire, OX5 2RL |
| COHEN, James Lionel RESIGNED | Director | 14 Aug 1998 | 05 Sep 2000 | | February 1942 | 60 Ormonde Terrace, London, NW8 7LR |
| D'ALONZO, Fabio RESIGNED | Director | 19 May 2015 | 17 Mar 2016 | United Kingdom | December 1976 | 2nd, Floor, 11 Thistle Street, Edinburgh, EH2 1DF, Scotland |
| EDWARDS, Matthew James RESIGNED | Director | 17 Mar 2017 | 19 Nov 2021 | United Kingdom | February 1985 | 16, Palace Street, London, SW1E 5JD, United Kingdom |
| FALERO, Louis Javier RESIGNED | Director | 22 Feb 2011 | 19 Aug 2016 | England | February 1977 | 16, Palace Street, London, SW1E 5JD, England |
| GORDON, John Stephen RESIGNED | Director | 25 Feb 2010 | 01 Jan 2015 | United Kingdom | December 1962 | 6th, Floor, 350, Euston Road Regent's Place, London, NW1 3AX, United Kingdom |
| HOLDEN, Mark Geoffrey David RESIGNED | Director | 16 Feb 2006 | 25 Feb 2010 | England | September 1957 | 7, Eden Park Road, Cheadle Hulme, Cheshire, SK8 6RG |
| HOPE, John Alexander RESIGNED | Director | 20 Aug 1998 | 25 Mar 2004 | United Kingdom | January 1957 | Eildon, 17 Craigielaw Park, Aberlady, Longniddry, East Lothian, EH32 0PR |
| LEWIS, David John RESIGNED | Director | 01 Aug 2013 | 22 Jan 2014 | England | June 1967 | Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG |
| MADDICK, Kevin John RESIGNED | Director | 03 May 2000 | 16 Dec 2005 | United Kingdom | May 1964 | 16 Ringford Road, Wandsworth, London, SW18 1RS |
| MCDONAGH, John RESIGNED | Director | 17 Aug 2005 | 19 Mar 2009 | | May 1969 | 59 Sarsfield Road, London, SW12 8HR |
| MILLAR, Jeremy Westgarth RESIGNED | Director | 18 Dec 2003 | 01 Mar 2005 | United Kingdom | October 1952 | Barberry House, The Row Wellington, Hereford, HR4 8AP |
| O'BRIEN, Kirsty RESIGNED | Director | 17 Mar 2016 | 22 Nov 2024 | Scotland | October 1982 | Equitix Limited, Level 3 (South), 200 Aldersgate Street, London, EC1A 4HD, United Kingdom |
| PEARCE, Glenn Sinclair RESIGNED | Director | 15 Mar 2021 | 19 Jun 2025 | Scotland | June 1972 | 3rd Floor South Building, 200 Aldersgate Street, London, EC1A 4HD, United Kingdom |
| POPE, Anthony RESIGNED | Director | 25 Mar 2004 | 01 Apr 2005 | | September 1953 | 14 Merlin Park, Dollar, Clackmannanshire, FK14 7BZ |
| PRITCHARD, Jamie RESIGNED | Director | 25 Feb 2010 | 22 Feb 2011 | United Kingdom | April 1971 | 6th, Floor, 350, Euston Road Regent's Place, London, NW1 3AX, United Kingdom |
| RABIN, Anthony Leon Philip RESIGNED | Director | 20 Aug 1998 | 05 Aug 2002 | | August 1955 | Fourth Floor, 130 Wilton Road, London, SW1V 1LQ |
| RITCHIE, Alan Campbell RESIGNED | Director | 21 Jun 2006 | 14 Oct 2009 | United Kingdom | April 1967 | 57 Kettilstoun Mains, Linlithgow, West Lothian, EH49 6SH |
| RYAN, Michael Joseph RESIGNED | Director | 20 May 2005 | 19 Mar 2009 | United Kingdom | April 1966 | Apartment 42,, Central Building, 3 Matthew Parker Street, London, SW1H 9NE |
| RYLATT, Ian Kenneth RESIGNED | Director | 05 Aug 2002 | 16 Feb 2006 | England | June 1965 | 127 Park Road, London, W4 3EX |
| SHELDRAKE, Peter John RESIGNED | Director | 19 May 2015 | 24 Apr 2018 | England | April 1959 | 2nd Floor, 11 Thistle Street, Edinburgh, EH2 1DF, United Kingdom |
| SMITH, Michael William RESIGNED | Director | 20 Aug 1998 | 02 Jul 1999 | | March 1961 | 17 Hippodrome Mews, London, W11 4NN |
| SPENCER, Christopher Loraine RESIGNED | Director | 27 Apr 2006 | 03 Jun 2009 | United Kingdom | April 1955 | 143 Shooters Hill Road, Blackheath, London, SE3 8UQ |
| SWARBRICK, David James RESIGNED | Director | 01 Jan 2015 | 19 May 2015 | United Kingdom | June 1966 | 1, Exchange Crescent, Conference Square, Edinburgh, EH3 8UL, Scotland |
| THAKRAR, Amit Rishi Jaysukh RESIGNED | Director | 29 Jan 2019 | 15 Mar 2021 | United Kingdom | July 1987 | 3rd Floor South Building, 200 Aldersgate Street, London, EC1A 4HD, United Kingdom |
| THOMSON, Lisa Marie RESIGNED | Director | 22 Jan 2014 | 19 May 2015 | United Kingdom | July 1976 | 1, Exchange Crescent, Conference Square, Edinburgh, EH3 8UL, Scotland |
| THORNTON, Jeffrey Michael RESIGNED | Director | 14 Aug 1998 | 16 Dec 2005 | United Kingdom | April 1953 | 108 March Road, Edinburgh, EH4 3SX |
| VERMEER, Daniel Marinus Maria RESIGNED | Director | 24 Apr 2018 | 29 Jan 2019 | United Kingdom | February 1981 | Welken House, 10-11 Charterhouse Square, London, EC1M 6EH, United Kingdom |
| WRINN, John RESIGNED | Director | 19 Nov 2021 | 24 Jan 2024 | United Kingdom | August 1962 | C/O Infrastructure Managers Limited, 2nd Floor Drum Suite, Saltire Court, 20 Castle Terrace, Edinburgh, EH1 2EN, United Kingdom |
| REYNARD NOMINEES LIMITED RESIGNED | Nominee Director | 08 Jul 1998 | 14 Aug 1998 | | | Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG |
| TM COMPANY SERVICES LIMITED RESIGNED | Nominee Director | 08 Jul 1998 | 14 Aug 1998 | | | Edinburgh Quay, 133 Fountainbridge, Edinburgh, Midlothian, EH3 9AG |