| BERQUIST, Joseph ACTIVE | Director | 31 Aug 2022 | | United States | August 1971 | 1, Quaker Park, 901 E Hector Street, Conshohocken, Pennsylvania, United States |
| HERNANDEZ, Miguel Moreno ACTIVE | Director | 02 Jun 2025 | | Netherlands | December 1977 | Norman Hay Engineering Ltd, 42 Sayer Drive, Lyons Park, Coventry, CV5 9PF, England |
| BELLANTI, Victor Philip RESIGNED | Secretary | 31 Mar 2006 | 01 Jan 2014 | | | Park Corner, 82 Armorial Road Styvelhale, Coventry, CV3 6GJ |
| BELLANTI, Victor Philip RESIGNED | Secretary | 17 Feb 1995 | 20 Aug 1998 | | | 37 Lupton Avenue, Styvechale, Coventry, CV3 5BQ |
| COLLINS, Patricia Jane RESIGNED | Secretary | | 17 Feb 1995 | | | 215 Nine Mile Ride, Finchampstead, Wokingham, Berkshire, RG40 3QA |
| FORREST, Samantha RESIGNED | Secretary | 02 Feb 2017 | 29 Nov 2018 | | | Norman Hay Plc, 42 Sayer Drive, Lyons Park, Coventry, West Midlands, CV5 9PF, United Kingdom |
| OGDEN, Nicholas RESIGNED | Secretary | 29 Nov 2018 | 31 Jan 2025 | | | Norman Hay Engineering Ltd, 42 Sayer Drive, Lyons Park, Coventry, CV5 9PF, England |
| OGDEN, Nicholas Anthony RESIGNED | Secretary | 01 Jan 2014 | 02 Feb 2017 | | | Plasticraft, Unit C, 42 Sayer Drive, Lyons Park, Coventry, CV5 9PF, England |
| PARKER, Jane RESIGNED | Secretary | 20 Aug 1998 | 31 Mar 2006 | | | 16 Hatherton Croft, Cannock, Staffordshire, WS11 1LD |
| BELLANTI, Victor Philip RESIGNED | Director | 14 Feb 1996 | 31 Dec 2021 | England | July 1957 | Park Corner, 82 Armorial Road Styvelhale, Coventry, CV3 6GJ |
| BLOK, Harm RESIGNED | Director | 15 Mar 2021 | 30 Apr 2025 | Netherlands | May 1969 | Quaker Chemical Bv, Industrieweg 7, 1422 Ah, Uithoorn, Netherlands |
| GREEN, William David RESIGNED | Director | 18 Mar 2003 | 25 Mar 2016 | England | September 1952 | Godiva Place, Coventry, CV1 5PN |
| GUMMER, Peter Edward RESIGNED | Director | | 14 Oct 2009 | | August 1943 | 16, Hatherton Croft, Cannock, Staffordshire, WS11 1HH |
| HAWLEY, Melvyn RESIGNED | Director | 05 May 1993 | 10 Jan 2000 | | December 1945 | Avenue Farm Old Hay Lane, Dore, Sheffield, South Yorkshire, S17 3AT |
| HAY, Anthony Michael RESIGNED | Director | | 23 Jun 2010 | England | September 1936 | Mossat Farm, Gracious Pond, Chobham, Surrey, GU24 8HJ |
| HAY, Peter Laurence RESIGNED | Director | | 01 Oct 2019 | England | March 1950 | Windlesham Grange, Kennel Lane, Windlesham, Surrey, GU20 6AA |
| MILLER, David William RESIGNED | Director | 01 Jul 2000 | 11 Feb 2013 | England | December 1941 | 11, Summer Lake, Spine Road, South Cerney, Gloucestershire, GL7 5LW |
| OGDEN, Nicholas Anthony RESIGNED | Director | 23 Sep 2010 | 31 Jan 2025 | England | February 1973 | Godiva Place, Coventry, West Midlands, CV1 5PN, United Kingdom |
| PARKER, Jane RESIGNED | Director | 20 Aug 1998 | 31 Mar 2006 | | July 1952 | 16 Hatherton Croft, Cannock, Staffordshire, WS11 1LD |
| PRIDDLE, Mike RESIGNED | Director | 09 Mar 2022 | 01 Nov 2024 | England | May 1959 | Norman Hay Engineering Ltd, 42 Sayer Drive, Lyons Park, Coventry, CV5 9PF, England |
| STEEPLES, Adrian RESIGNED | Director | 01 Oct 2019 | 31 Aug 2022 | Netherlands | December 1960 | Norman Hay Engineering Ltd, 42 Sayer Drive, Lyons Park, Coventry, CV5 9PF, England |
| VAN VLIJMEN, Wichert Charles RESIGNED | Director | 01 Oct 2019 | 15 Mar 2021 | Netherlands | October 1959 | Norman Hay Engineering Ltd, 42 Sayer Drive, Lyons Park, Coventry, CV5 9PF, England |