| POYNTON, Andrew Philip ACTIVE | Secretary | 01 Aug 2023 | | | | Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT |
| BARDSLEY, Kevin Dale ACTIVE | Director | 04 Mar 2021 | | Wales | September 1968 | Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT |
| HUGHES, Michael Gary ACTIVE | Director | 05 Feb 2021 | | England | August 1968 | Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT |
| WILD, Susan Gaynor ACTIVE | Director | 03 Aug 2022 | | United Kingdom | June 1959 | Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT |
| KELSO, David John RESIGNED | Secretary | 03 May 2005 | 01 Aug 2023 | | | Synthite Limited, Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT, United Kingdom |
| WILLIAMS, Graham David RESIGNED | Secretary | | 29 Apr 2005 | | | 48 Crescent Road, Rowley Park, Stafford, Staffordshire, ST17 9AN |
| ALEXANDER, Kenneth Alston RESIGNED | Director | | 22 Apr 2008 | United Kingdom | November 1928 | Manor Farm, Crookham, Thatcham, Berkshire, RG19 8ED |
| ALEXANDER, Stuart Edward Ritchie RESIGNED | Director | | 17 Oct 2017 | England | January 1955 | Hillcrest Lewes Road, Ashurst Wood, East Grinstead, West Sussex, RH19 3TA |
| ALEXANDER, William Paul RESIGNED | Director | 12 Sep 1996 | 04 Dec 2025 | England | September 1954 | Synthite Limited, Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT, United Kingdom |
| JONES, Kevin Garth RESIGNED | Director | | 17 Oct 2020 | United Kingdom | May 1956 | Synthite Limited, Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT, United Kingdom |
| KELSO, David John RESIGNED | Director | 11 Oct 2017 | 31 Dec 2023 | United Kingdom | July 1963 | Synthite Limited, Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT, United Kingdom |
| NIAZI, Sana Ullah RESIGNED | Director | 11 Oct 2017 | 15 Nov 2024 | United Kingdom | November 1959 | Synthite Limited, Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT, United Kingdom |
| PERRIE, John Norman RESIGNED | Director | 23 Jun 2021 | 03 Mar 2022 | England | July 1980 | Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT |
| POLDEN, Keith James RESIGNED | Director | 11 Oct 2017 | 21 Aug 2026 | United Kingdom | December 1972 | Synthite Limited, Alyn Works, Denbigh Road, Mold, Flintshire, CH7 1BT, United Kingdom |
| SHARP, Harold Frederick RESIGNED | Director | | 19 Apr 1993 | | November 1925 | Grosvenor, Smestow Bridge, Wombourne, West Midlands, WV5 8AY |
| THURGUR, Edward Thomas RESIGNED | Director | | 24 Apr 2003 | | November 1938 | 111 Old Penkridge Road, Cannock, Staffordshire, WS11 1HY |