| ARMOUR, David John ACTIVE | Director | 04 Nov 2024 | | Scotland | January 1966 | C/O Booth Welsh Automation Ltd, 3 Riverside Way, Irvine, KA11 5DJ, Scotland |
| SEMPLE, Gordon ACTIVE | Director | 04 Nov 2024 | | Scotland | February 1971 | C/O Booth Welsh, 3 Riverside Way, Irvine, North Ayrshire, KA11 5DJ, Scotland |
| WELSH, Hugh ACTIVE | Director | 04 Nov 2024 | | Scotland | October 1976 | C/O Booth Welsh Automation Ltd, Riverside Way, Riverside Business Park, Irvine, KA11 5DJ, Scotland |
| WELSH, Martin James ACTIVE | Director | 31 Oct 1999 | | Scotland | January 1964 | 9, Corsehill Drive, West Kilbride, Ayrshire, KA23 9HU, Scotland |
| BOOTH, Roy James RESIGNED | Secretary | | 21 Aug 1995 | | | 9 Lymewood Drive, Disley, Stockport, Cheshire, SK12 2LD |
| MCFARLANE, Elizabeth Ann RESIGNED | Secretary | 09 Nov 2011 | 04 Sep 2014 | | | 63, Sharon Street, Dalry, Ayrshire, KA24 5DT, United Kingdom |
| WELSH, John Bain RESIGNED | Secretary | 01 Jan 2007 | 07 Oct 2011 | | | Airlie, 1 Aiknut Road, West Kilbride, Ayrshire, KA23 9LG |
| WELSH, Martin James RESIGNED | Secretary | 31 Oct 1999 | 31 Dec 2006 | | | 9, Jacks View, West Kilbride, Ayrshire, KA23 9HX, Uk |
| WELSH, Mary Paterson RESIGNED | Secretary | 08 Sep 1995 | 31 Oct 1999 | | | 39 Fullerton Drive, Seamill, West Kilbride, Ayrshire, KA23 9HT, Scotland |
| BEATTIE, William RESIGNED | Director | 02 Apr 2007 | 14 Oct 2016 | U.K. | July 1952 | 2a, Mid Dykes Road, Saltcoats, Ayrshire, KA21 6BZ |
| BENNETT, Peter Kenway RESIGNED | Director | 01 Feb 2016 | 18 Apr 2023 | Australia | June 1966 | 34, Parliament Place, West Perth, Wa 6005, Australia |
| BERGOMI, Massimo Camillo Giovanni RESIGNED | Director | 05 Jun 2015 | 01 Dec 2015 | Australia | December 1971 | 34, Parliament Place, West Perth, Western Australia 6005, Australia |
| BOOTH, Roy James RESIGNED | Director | | 21 Aug 1995 | United Kingdom | April 1934 | 9 Lymewood Drive, Disley, Stockport, Cheshire, SK12 2LD |
| BOWTELL, Gary Norman RESIGNED | Director | 04 Sep 2014 | 08 Dec 2014 | Australia | January 1958 | 34, Parliament Place, West Perth, Western Australia 6005, Australia |
| DEVLIN, Joseph RESIGNED | Director | 05 Jun 2015 | 03 Jun 2020 | Scotland | November 1951 | 9, Jacks View, West Kilbride, Ayrshire, KA23 9HX, Scotland |
| DEVLIN, Joseph RESIGNED | Director | 03 Jan 2002 | 04 Sep 2014 | Scotland | November 1951 | 108, Eglinton Road, Ardrossan, Ayrshire, KA22 8NN |
| DOCKRAY, Thomas John RESIGNED | Director | 08 Dec 2014 | 15 Dec 2016 | Australia | October 1979 | 20-22 Bedford Row, London, WC1R 4JS |
| FLORENCE, Gavin RESIGNED | Director | 06 Jun 2012 | 04 Sep 2014 | Scotland | November 1969 | 27, Hillside, West Kilbride, Ayrshire, KA23 9NZ, United Kingdom |
| GALLAGHER, Kevin Thomas RESIGNED | Director | 04 Sep 2014 | 29 Jan 2016 | Australia | June 1965 | 34, Parliament Place, West Perth, Western Australia 6005, Australia |
| MAAS, Brent Richard RESIGNED | Director | 06 Sep 2022 | 18 Apr 2023 | Australia | August 1976 | Suite 1, 7th Floor, 50 Broadway, London, SW1H 0BL, England |
| MAAS, Brent Richard RESIGNED | Director | 23 Mar 2015 | 05 Jun 2015 | Australia | August 1976 | 34, Parliament Place, West Perth, Western Australia 6005, Australia |
| MUTTER, Gary James RESIGNED | Director | 01 Oct 2011 | 04 Aug 2021 | Scotland | April 1966 | Shovelboard Farm, Corsliehill Road, Houston, Renfrewshire, PA6 7HU, United Kingdom |
| MUTTER, Gary James RESIGNED | Director | 01 May 2007 | 23 Mar 2009 | Scotland | April 1966 | 11 Craigholme, Houston, Renfrewshire, PA6 7DB |
| RATNESER, Rajiv Virendra RESIGNED | Director | 15 Dec 2016 | 03 Jun 2020 | Australia | October 1969 | Suite 1, 3rd Floor, 11- 12, St. James's Square, London, SW1Y 4LB, England |
| SEMPLE, Gordon RESIGNED | Director | 06 Jun 2012 | 04 Sep 2014 | United Kingdom | February 1971 | 2, Souter Drive, Kilmarnock, Ayrshire, KA3 7JD, United Kingdom |
| SIFORD, Neil Edward RESIGNED | Director | 04 Sep 2014 | 23 Mar 2015 | Australia | July 1964 | 34, Parliament Place, West Perth, Western Australia 6005, Australia |
| SIMONS, Richard Francis RESIGNED | Director | 05 Jun 2015 | 01 Sep 2022 | Australia | October 1968 | 34, Parliament Place, West Perth, Western Australia 6005, Australia |
| WELSH, John Bain RESIGNED | Director | | 04 Sep 2014 | Scotland | November 1942 | Redholme, 20 Fullerton Drive, Seamill, West Kilbride, Ayrshire, KA23 9HT, Scotland |