| MENNIE, Brenda Janette ACTIVE | Secretary | 18 Oct 2019 | | | | Hadrian House, Wincomblee Road, Newcastle Upon Tyne, NE6 3PL, United Kingdom |
| BERTRAM, Alexander Anderson ACTIVE | Director | 20 Sep 2023 | | Scotland | July 1983 | Hadrian House, Wincomblee Road, Newcastle Upon Tyne, NE6 3PL, United Kingdom |
| SCOTT, Arlene Jennifer ACTIVE | Director | 01 Jan 2026 | | Scotland | June 1975 | Hadrian House, Wincomblee Road, Newcastle Upon Tyne, NE6 3PL, United Kingdom |
| BROWN, Paul RESIGNED | Secretary | 16 Sep 1998 | 21 Jun 1999 | | | 8 Long Croft Lane, Cheadle Hulme, Cheshire, SK8 6SE |
| HAMILTON, Raymond RESIGNED | Secretary | 17 Oct 1994 | 16 Sep 1998 | | | 11 Chapel Road, Alderley Edge, Cheshire, SK9 7DU |
| MARECHAL, Sophie RESIGNED | Secretary | 01 Sep 2010 | 18 Oct 2019 | | | 13, Benoi Sector, Singapore, 629860, Singapore |
| RILEY, Barrington Marshall RESIGNED | Secretary | | 17 Oct 1994 | | | Cherry Tree House 35 Oldfield Way, Heswall, Wirral, Merseyside, CH60 6RH |
| SPEED, Eric James RESIGNED | Secretary | 18 Jun 1999 | 17 Jan 2000 | | | 5 Moncreiffe Terrace, Perth, Perthshire, PH2 0DB |
| WISHART, Iain RESIGNED | Secretary | 17 Jan 2000 | 15 Aug 2008 | | | 20 Dovecot Way, Dunfermline, Fife, KY11 8SX |
| YATES, Brian Douglas RESIGNED | Secretary | 08 Aug 2008 | 01 Sep 2010 | | | Fmc Technologies S.A., Route Des Clerimois Bp 705, 89107 Sens Cedex, France |
| CAMPBELL, James Joseph RESIGNED | Director | 20 Sep 2023 | 30 Apr 2024 | Scotland | July 1960 | Hadrian House, Wincomblee Road, Newcastle Upon Tyne, NE6 3PL, United Kingdom |
| CAMPBELL, James Joseph RESIGNED | Director | 29 Nov 1996 | 17 Dec 2001 | | July 1960 | 2n Winterport Circle, The Woodlands, Tx 77382, Usa |
| CORT, Andrew John Constantine RESIGNED | Director | 06 Mar 2002 | 08 Aug 2008 | United Kingdom | May 1962 | 11 Camps Road, Carnock, Dunfermline, Fife, KY12 9JP |
| DESANTIS, Gerald RESIGNED | Director | | 19 Jan 1993 | | May 1947 | 29 Kaimes Road, Edinburgh, Midlothian, EH12 6JS |
| HORN, Graham Douglas RESIGNED | Director | 08 Aug 2008 | 29 Sep 2023 | Singapore | November 1965 | Technipfmc - Fmc Techologies Singapore Pte Ltd, 149 Gul Circle, Jurong, 629605, Singapore |
| LANGAAS, Morten RESIGNED | Director | 13 Sep 2000 | 08 Aug 2008 | | March 1957 | 48 Kjellstadvein, Lier, N 3400, Norway |
| MCDONALD, Desmond John RESIGNED | Director | 28 May 1992 | 12 Jul 1996 | | August 1955 | 7 Ainslie Place, Edinburgh, Midlothian, EH3 6AS |
| MORRIS, Alan James RESIGNED | Director | 23 Feb 2024 | 31 Dec 2025 | Scotland | February 1970 | Hadrian House, Wincomblee Road, Newcastle Upon Tyne, NE6 3PL, United Kingdom |
| PFEIFFER, Johan Fredrik RESIGNED | Director | 13 Sep 2000 | 17 Mar 2003 | | January 1965 | 18 Maaseskjaeret, Bergen, N 5035, FOREIGN, Norway |
| RILEY, Barrington Marshall RESIGNED | Director | | 27 Mar 1995 | United Kingdom | September 1948 | Cherry Tree House 35 Oldfield Way, Heswall, Wirral, Merseyside, CH60 6RH |
| RUCINSKI, Lawrence Paul RESIGNED | Director | 13 Sep 2000 | 06 Mar 2002 | | June 1957 | 55 Saint Davids Drive, Englefield Green, Surrey, TW20 0BA |
| TAIT, James Sweenie RESIGNED | Director | 31 Mar 1998 | 08 Aug 2008 | | May 1955 | 6 Royal Scot Way, Dunfermline, Fife, KY12 0PS |