| MACRURY, Sarah Marion ACTIVE | Secretary | 03 Jul 2024 | | | | Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland |
| DAGLEISH, Keith Gordon ACTIVE | Director | 31 Dec 2020 | | Scotland | May 1972 | Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland |
| MCCRACKEN, Laura Mary ACTIVE | Director | 10 Apr 2026 | | United Kingdom | April 1979 | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ |
| AGOMBAR, Colin Leonard Edward RESIGNED | Secretary | | 31 Aug 1991 | | | 42 Whistlers Avenue, London, SW11 3TS |
| DAVIES, Michelle Karen RESIGNED | Secretary | 01 Apr 2009 | 29 Nov 2011 | | | Shinfield Park, Shinfield, Reading, Berkshire, RG2 9FW |
| DENLEY, Mark Hilton RESIGNED | Secretary | 01 Dec 2011 | 01 Mar 2015 | | | Shinfield Park, Shinfield, Reading, Berkshire, RG2 9FW |
| JONES, Iain Angus RESIGNED | Secretary | 16 Feb 2018 | 12 Jun 2024 | | | Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland |
| MORRELL, Helen RESIGNED | Secretary | 02 Mar 2015 | 22 Feb 2017 | | | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ, England |
| RIMER, Geoffrey John RESIGNED | Secretary | 01 Sep 1991 | 05 Jul 2008 | | | West End, Church Street, Stokenchurch, Buckinghamshire, HP14 3UJ |
| WARBURTON, Jennifer Ann RESIGNED | Secretary | 22 Feb 2017 | 16 Feb 2018 | | | Booths Park, Chelford Road, Knutsford, WA16 8QZ, England |
| BEEVER, Dominic John RESIGNED | Director | 08 Aug 2025 | 10 Apr 2026 | United Kingdom | November 1973 | Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland |
| BILL, Ian Millar RESIGNED | Director | 19 Jun 1995 | 30 Sep 2004 | | September 1944 | 4 Walnut Close, Sonning Common, Reading, Berkshire, RG4 9DH |
| BLYTHE, John Cecil RESIGNED | Director | 14 Aug 1997 | 30 Jun 1998 | United Kingdom | August 1947 | Brambles 78 St Marks Road, Henley On Thames, Oxfordshire, RG9 1LW |
| BUTCHER, Adam Paul RESIGNED | Director | 22 Aug 2024 | 31 Jul 2025 | England | October 1976 | Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland |
| COLLIS, Mark Russell RESIGNED | Director | 01 May 2013 | 26 Aug 2016 | United Kingdom | January 1972 | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ, England |
| CULSHAW, Stephen Thomas RESIGNED | Director | 01 Oct 2004 | 31 Jul 2014 | United Kingdom | September 1960 | Shinfield Park, Shinfield, Reading, Berkshire, RG2 9FW |
| DAVIES, Stephen John RESIGNED | Director | 19 Sep 1996 | 13 Nov 2007 | | February 1953 | 11 Duncan Gardens, Purley On Thames, Reading, Berkshire, RG8 8DW |
| DUPAGNE, Laurent Jerome RESIGNED | Director | 01 Oct 2004 | 01 May 2013 | United Kingdom | October 1960 | Shinfield Park, Shinfield, Reading, Berkshire, RG2 9FW |
| EVANS, Timothy Martin RESIGNED | Director | | 23 May 1995 | United Kingdom | April 1935 | 8 Broadlands Close, Calcot Park, Reading, Berkshire, RG31 7RP |
| FOLEY, James RESIGNED | Director | | 31 May 1996 | | February 1937 | 67 Horseshoe Cresent, Burghfield Common, Reading, Berkshire, RG7 3XW |
| HOLT, Nicholas Christopher RESIGNED | Director | | 28 Apr 2006 | England | May 1951 | 1 Dynevor Road, Richmond Upon Thames, Surrey, TW10 6PF |
| MCLEAN, Andrew Stuart RESIGNED | Director | 11 Aug 2020 | 22 Aug 2024 | England | February 1970 | Sir Ian Wood House, Hareness Road, Altens Industrial Estate, Aberdeen, AB12 3LE, Scotland |
| RIMER, Geoffrey John RESIGNED | Director | 14 Aug 1997 | 05 Jul 2008 | | July 1943 | West End, Church Street, Stokenchurch, Buckinghamshire, HP14 3UJ |
| SHORTEN, Nicholas David RESIGNED | Director | 24 Feb 2015 | 26 Aug 2016 | England | January 1968 | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ, England |
| STAPLES, Trevor Bryan RESIGNED | Director | 24 Feb 2015 | 11 Apr 2016 | United Kingdom | March 1967 | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ, England |
| WARBURTON, Jennifer Ann RESIGNED | Director | 26 Aug 2016 | 16 Feb 2018 | United Kingdom | March 1969 | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ |
| WATSON, Mark James RESIGNED | Director | 16 Feb 2018 | 31 Dec 2020 | Scotland | July 1964 | Booths Park, Chelford Road, Knutsford, Cheshire, WA16 8QZ |
| AMEC NOMINEES LIMITED RESIGNED | Director | 26 Aug 2016 | 11 Aug 2020 | | | Booths Park, Chelford Road, Knutsford, WA16 8QZ, England |