| BRINKMAN, Joseph Robert ACTIVE | Director | 17 May 2023 | | United States | October 1969 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| HOTCHKISS, Herbert Garfield ACTIVE | Director | 15 Jun 2026 | | United States | August 1970 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| MACLACHLAN, Alan George RESIGNED | Secretary | | 31 Dec 2000 | | | Park Cottage 1 Church Street, Limekilns, Dunfermline, Fife, KY11 3HT, Scotland |
| MACLEAN, Fiona Margaret RESIGNED | Secretary | 31 Dec 2000 | 20 Jan 2012 | | | 3 Ormonde Avenue, Glasgow, G44 3QU |
| TMF CORPORATE ADMINISTRATION SERVICES LIMITED RESIGNED | Secretary | 08 Aug 2014 | 30 Mar 2017 | | | 5th Floor, 6 St. Andrew Street, London, EC4A 3AE, United Kingdom |
| BRANDER, Ian Halliday RESIGNED | Director | 14 Aug 2017 | 30 Sep 2019 | United Kingdom | December 1961 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| BRANDER, Ian Halliday RESIGNED | Director | 22 Oct 2008 | 03 May 2013 | United Kingdom | December 1961 | May Bank, Jeffreystock Farm, Lochwinnoch, Renfrewshire, PA12 4DP |
| BRANNAN, Charles Scott RESIGNED | Director | 25 Apr 2012 | 03 May 2013 | United States | July 1958 | Colfax Corporation, 8170 Maple Lawn Blvd, Suite 180, Fulton, Maryland, 20759, Usa |
| BROWN, James RESIGNED | Director | 14 Aug 2017 | 31 May 2018 | Scotland | February 1960 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| BROWN, James RESIGNED | Director | 20 Nov 1997 | 03 May 2013 | Scotland | February 1960 | 11 Great Western Terrace, Hyndland, Glasgow, G12 0UP |
| CAFFREY, Matthew Francis RESIGNED | Director | | 25 Jan 1989 | | December 1927 | 86 Plymbridge Road, Willowdale, Ontario, FOREIGN, Canada |
| CLARK, Robin Hurst RESIGNED | Director | 03 May 2013 | 30 Nov 2014 | United Kingdom | July 1980 | 6th Floor, 322 High Holborn, London, WC1V 7PB, United Kingdom |
| CLELAND, Robert John RESIGNED | Director | 31 Aug 2001 | 11 Aug 2011 | | February 1947 | The Mews, 17 Lynedoch Crescent, Glasgow, Lanarkshire, G3 6EQ |
| DIBBLE, Thomas RESIGNED | Director | | 10 Apr 1998 | | October 1939 | 30 Pinewood Avenue, Lenzie, Glasgow, Lanarkshire, G66 4EQ, Scotland |
| EVANKO, Jillian Case RESIGNED | Director | 17 May 2023 | 15 Jun 2026 | United States | February 1978 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| FLEXON, William (Bill) RESIGNED | Director | 25 Apr 2012 | 30 Sep 2019 | United States | April 1963 | 10751, Telegraph Road, Suite 201, Glen Allen, Virginia, 23059, United States |
| HUME, Jeffrey RESIGNED | Director | 24 May 1994 | 25 Apr 1997 | | March 1953 | 29 Buckles Way, Banstead, Surrey, SM7 1HB |
| IRVINE, Alastair RESIGNED | Director | 01 Apr 2018 | 17 May 2023 | United Kingdom | March 1981 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| LEHMAN, Mark Paul RESIGNED | Director | 25 Apr 2012 | 17 May 2023 | United States | February 1967 | Howden Group Limited, Old Govan Road, Renfrew, PA4 8XJ, Scotland |
| MACLACHLAN, Alan George RESIGNED | Director | 30 Aug 1993 | 31 Dec 2000 | | June 1943 | Park Cottage 1 Church Street, Limekilns, Dunfermline, Fife, KY11 3HT, Scotland |
| MACLEAN, Fiona Margaret RESIGNED | Director | 22 Oct 2008 | 20 Jan 2012 | | May 1962 | 3 Ormonde Avenue, Glasgow, G44 3QU |
| MALONE, Donna RESIGNED | Director | 22 Oct 2008 | 03 May 2013 | United Kingdom | November 1967 | 41, Comely Bank Avenue, Edinburgh, EH4 1ES |
| MILLAR, Gordon Neil RESIGNED | Director | 08 Dec 2005 | 22 Oct 2008 | | September 1950 | 16 Whin Road, Ballygally, Larne, County Antrim, BT40 2QJ, Northern Ireland |
| PRYOR, Daniel Alexis RESIGNED | Director | 25 Apr 2012 | 03 May 2013 | United States | March 1968 | 8170, Maple Lawn Blvd, Suite 180, Fulton, Maryland, 20759, Usa |
| PUCKETT, Anne Lynne RESIGNED | Director | 25 Apr 2012 | 03 May 2013 | United States | February 1962 | Colfax Corporation, 8170 Maple Lawn Blvd, Suite 180, Fulton, Maryland, 20759, Usa |
| SMITH, Nigel Watkin Roberts RESIGNED | Director | 12 Jan 1998 | 31 Aug 2001 | England | June 1954 | Charleswood House Bull Lane, Gerrards Cross, Buckinghamshire, SL9 8RL |
| WATSON, Ronald Norman Stewart RESIGNED | Director | | 30 Aug 1993 | | July 1942 | Dalarne, Pier Road, Rhu, Dunbartonshire, G84 8LJ |
| WILSON, Robert Ross, Dr RESIGNED | Director | 26 Nov 2002 | 13 Mar 2007 | | March 1947 | Riversdale Lochwinnoch Road, Kilmacolm, Renfrewshire, PA13 4DZ |
| WILSON, Robert Gordon RESIGNED | Director | 31 Dec 2000 | 31 Mar 2002 | England | April 1950 | Struan, Faringdon Road Frilford Heath, Abingdon, Oxfordshire, OX13 6QJ |
| ZABANEH, Elias RESIGNED | Director | 11 Aug 2011 | 03 May 2013 | United Kingdom | December 1960 | Old Govan Road, Renfrew, Scotland, PA4 8XJ, Scotland |