| MARTIN, Kevin ACTIVE | Secretary | 28 Nov 2013 | | | | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX, England |
| ANCELL, Neil ACTIVE | Director | 01 Apr 2023 | | England | October 1952 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX |
| BRAGAGNI, Albano ACTIVE | Director | | | Italy | April 1951 | Via Michelangelo 23,, Pieve Santo Stefano,, Arezzo,, 52036,, Italy |
| BRAGAGNI, Germano ACTIVE | Director | 20 Feb 2013 | | Italy | March 1953 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX, England |
| BRAGAGNI, Maurizio ACTIVE | Director | 01 Jan 2004 | | England | April 1975 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX |
| BRAGAGNI CAPACCINI, Elisabetta ACTIVE | Director | 14 Jul 2015 | | Italy | September 1983 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX |
| BRAGAGNI CAPACCINI, Ennio, Dr ACTIVE | Director | 20 Feb 2013 | | Italy | January 1974 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX, England |
| MARTIN, Kevin Stanley ACTIVE | Director | 06 Nov 2018 | | England | December 1960 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX |
| SCAMBIA, Enrico ACTIVE | Director | 17 May 2016 | | England | February 1972 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX |
| LIGHT, John Stephen RESIGNED | Secretary | 26 Aug 1999 | 31 Dec 2005 | | | The Poplars 9 Prospect Place, Totley Rise, Sheffield, S17 4HZ |
| STEWART, Linda Mary RESIGNED | Secretary | | 26 Aug 1999 | | | 72 Church Street, Oughtibridge, Sheffield, S35 0FW |
| WHITAKER, David John RESIGNED | Secretary | 31 Dec 2005 | 28 Nov 2013 | | | 31 Dransfield Road, Sheffield, South Yorkshire, S10 5RL |
| ANCELL, Neil RESIGNED | Director | 01 Apr 2012 | 21 Nov 2017 | England | October 1952 | Tratos - Knowsley Factory, Randles Road, Knowsley Business Park, Prescot, Merseyside, L34 9HX, England |
| ANCELL, Neil RESIGNED | Director | 01 Apr 2009 | 01 Apr 2012 | England | October 1952 | 18 Aughton Street, Hindley, Wigan, Lancashire, WN2 3ER |
| FOX, Ellis RESIGNED | Director | | 20 Dec 1991 | | November 1926 | 119 Brown Crescent, Halfway, Sheffield, South Yorkshire |
| LIGHT, John Stephen RESIGNED | Director | | 13 Sep 2016 | England | November 1958 | The Poplars 9 Prospect Place, Totley Rise, Sheffield, S17 4HZ |
| STEWART, James Lee Hamilton RESIGNED | Director | 26 Aug 1999 | 31 Dec 2008 | United Kingdom | April 1971 | 22 Scholes Rise, Ecclesfield, Sheffield, S35 9UQ |
| STEWART, Peter Alistair Hamilton RESIGNED | Director | | 03 Oct 2006 | England | October 1946 | 72 Church Street, Oughtibridge, Sheffield, South Yorkshire, S30 3FW |
| UNDERWOOD, Dennis Alfred RESIGNED | Director | 31 Mar 1992 | 30 Nov 1998 | | December 1955 | 192 Stubley Lane, Dronfield Woodhouse, Sheffield, S18 5YP |