| WARGENT, Nicholas James ACTIVE | Secretary | 01 Aug 2019 | | | | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| BELAK, Cynthia Yuson ACTIVE | Director | 01 Aug 2019 | | United States | December 1956 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| FOURLEGNIE, Thibault Guy ACTIVE | Director | 19 Nov 2021 | | France | December 1977 | Inchinnan Business Park, Renfrew, PA4 9RG |
| WARGENT, Nicholas James ACTIVE | Director | 01 Aug 2019 | | England | October 1973 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| BROWN, Ian Richard RESIGNED | Secretary | 30 Apr 2018 | 01 Aug 2019 | | | 3m Centre, Cain Road, Bracknell, Berkshire, RG12 8HT, United Kingdom |
| HUNTER, David Stuart RESIGNED | Secretary | 25 Jul 1996 | 27 Feb 2015 | | | 1b, Ralston Road, Bearsden, Glasgow, G61 3SS, Scotland |
| JUBB, David Anthony RESIGNED | Secretary | 04 Oct 2017 | 30 Apr 2018 | | | 3m Centre, Cain Road, Bracknell, RG12 8HT, England |
| MANSON, Derek Charles RESIGNED | Secretary | | 23 Dec 1993 | | | 1 Birnam Crescent, Bearsden, Glasgow, Lanarkshire, G61 3NY |
| MILNE, James George RESIGNED | Secretary | 21 Dec 1993 | 25 Jul 1996 | | | 62 Corrour Road, Glasgow, G43 2ED |
| SCHIESER, Peter RESIGNED | Secretary | 27 Feb 2015 | 04 Oct 2017 | | | Inchinnan Business Park, Renfrew, PA4 9RG |
| ALLAN, Frederick James RESIGNED | Director | | 02 Apr 1991 | | | Townhead Terrace, Paisley, PA1 2 |
| ALPHONSUS, Anton Bernard RESIGNED | Director | 10 Nov 2015 | 10 Mar 2017 | England | January 1956 | Security House, The Summit, Hanworth Road, Sunbury-On-Thames, Middlesex, TW16 5DB, United Kingdom |
| ASHLEY, David James RESIGNED | Director | 04 Oct 2017 | 01 Aug 2019 | United Kingdom | July 1968 | 3m Centre, Cain Road, Bracknell, RG12 8HT, England |
| AYRE, Mark RESIGNED | Director | 31 Aug 2017 | 04 Oct 2017 | England | October 1963 | Inchinnan Business Park, Renfrew, PA4 9RG |
| BENNY, Paul Andrew RESIGNED | Director | 27 Feb 2015 | 30 Oct 2015 | United Kingdom | April 1963 | 19, Goughs Lane, Knutsford, WA16 8QL, United Kingdom |
| BOWIE, Andrew RESIGNED | Director | 10 Nov 2015 | 31 Aug 2017 | United Kingdom | September 1966 | Inchinnan Business Park, Renfrew, PA4 9RG |
| CHAMBERS, Michael RESIGNED | Director | 04 Oct 2017 | 31 May 2018 | Scotland | June 1956 | 3m Centre, Cain Road, Bracknell, RG12 8HT, England |
| COOPER, Jonathan George RESIGNED | Director | 15 Nov 1994 | 24 Mar 1995 | United Kingdom | September 1961 | Saryune 10 Granville Street, Helensburgh, Dunbartonshire, G84 7LL |
| CUNNINGHAM, Douglas Harry Charles RESIGNED | Director | 01 Sep 1999 | 30 Sep 2007 | | October 1943 | 9 Cherryhill View, Larkhall, Lanarkshire, ML9 1BD |
| DEVITA, Stephen RESIGNED | Director | 01 Aug 2019 | 12 Nov 2021 | United States | April 1964 | 106, Waterhouse Lane, Chelmsford, CM1 2QU, England |
| FELDMAN, Jesse RESIGNED | Director | 29 Jul 2011 | 27 Feb 2015 | Massachusetts Usa | March 1977 | Inchinnan Business Park, Renfrew, PA4 9RG |
| GILCHRIST, John Robert, Dr RESIGNED | Director | 04 Aug 2003 | 17 Jun 2005 | Scotland | May 1961 | 29 Redclyffe Gardens, Helensburgh, G84 9JJ |
| HUNTER, David Stuart RESIGNED | Director | 25 Jul 1996 | 30 Jun 2022 | United Kingdom | January 1962 | Inchinnan Business Park, Renfrew, PA4 9RG |
| LERNER, Barry RESIGNED | Director | 27 Feb 2015 | 04 Oct 2017 | United States | March 1967 | Inchinnan Business Park, Renfrew, PA4 9RG |
| MALIK, Mohammad Irfan RESIGNED | Director | 04 Oct 2017 | 01 Aug 2019 | United Kingdom | May 1965 | 3m Centre, Cain Road, Bracknell, RG12 8HT, England |
| MANSON, Derek Charles RESIGNED | Director | | 03 Apr 2009 | | April 1948 | 1 Birnam Crescent, Bearsden, Glasgow, Lanarkshire, G61 3NY |
| MARKIN, Adam RESIGNED | Director | 29 Jul 2011 | 27 Feb 2015 | United States Of America | February 1966 | Inchinnan Business Park, Renfrew, PA4 9RG |
| MCGREGOR, George RESIGNED | Director | 20 Jun 2005 | 28 Jun 2013 | Scotland | February 1952 | Duart, Whitehill Avenue, Kirkintilloch, Lanarkshire, G66 2JJ |
| MCGUIRE, Peter RESIGNED | Director | 29 Jul 2011 | 27 Jul 2012 | United States | May 1983 | Inchinnan Business Park, Renfrew, PA4 9RG |
| MILNE, James George RESIGNED | Director | | 31 Aug 1999 | | July 1942 | 2a Calderhaugh Mill, Lochwinnoch, Renfrewshire, PA12 4AJ |
| PEREZ-DEISBOECK, Lizette Marie RESIGNED | Director | 29 Jul 2011 | 27 Feb 2015 | United States | December 1965 | Inchinnan Business Park, Renfrew, PA4 9RG |
| RATTRAY, Alastair Fisher RESIGNED | Director | 01 Oct 1993 | 24 Mar 1995 | | April 1970 | 7 Buchanan Drive, Newton Mearns, Glasgow, G77 6HT |
| RATTRAY, Carolyn Aline Fleming RESIGNED | Director | 01 Oct 1993 | 24 Mar 1995 | | September 1967 | 8 Striven Gardens, Glasgow, G20 6DZ |
| RATTRAY, Colin Andrew Fleming RESIGNED | Director | | 15 Aug 1993 | | October 1942 | 2 Barnsford Avenue, Inchinnan Estate, Renfrew, PA4 9RG |
| RATTRAY, Frances RESIGNED | Director | | 24 Mar 1995 | | April 1944 | 7 Buchanan Drive, Newton Mearns, Glasgow, Lanarkshire, G77 6HT |
| RENNIE, Martin Paul RESIGNED | Director | 01 Jul 2006 | 29 Jun 2012 | Scotland | December 1970 | 12 Millbank Place, Uphall, West Lothian, EH52 5DU |
| ROBINSON, Mark Stephen RESIGNED | Director | 15 Sep 2008 | 19 Feb 2010 | England | May 1952 | 27, Loughrigg Close, Burnley, Lancashire, BB12 8AS, United Kingdom |
| SCHIESER, Peter RESIGNED | Director | 27 Feb 2015 | 04 Oct 2017 | Luxembourg | April 1967 | Inchinnan Business Park, Renfrew, PA4 9RG |
| SEMERCIYAN, Simla RESIGNED | Director | 01 May 2018 | 01 Aug 2019 | United Kingdom | November 1973 | 3m, Centre, Cain Road, Bracknell, Berkshire, RG12 8HT, United Kingdom |
| SHERIFF, James Anderson RESIGNED | Director | | 30 Sep 2005 | United Kingdom | November 1945 | 33 Kirkton, North Barr, Erskine, Renfrewshire, PA8 6EF |
| WALLACE, Robert Calderwood RESIGNED | Director | 15 Feb 1994 | 24 Mar 1995 | Scotland | October 1942 | 30 Wellhall Road, Hamilton, Lanarkshire, ML3 9BL |
| WHITTAKER, Thomas Geoffrey RESIGNED | Director | 11 Jul 1995 | 01 May 2000 | | March 1937 | Dhoo Vale Church View, Braddan, Douglas, Isle Of Man, IM4 4TF |