| ANSTEY, Trevor Christopher ACTIVE | Director | 30 Jan 2026 | | England | January 1975 | Curtis Instruments (Uk) Limited Engineering Centre, 2 Koppers Way, Monkton Business Park South, Hebburn, NE31 2EZ, England |
| ELSEY, James Alan David ACTIVE | Director | 01 Dec 2025 | | England | August 1970 | Parker Hannifin Manufacturing Ltd, 2nd Floor, Suite 2a, Breakspear Park, Breakspear Way, Hemel Hempstead, HP2 4TZ, United Kingdom |
| WEIR, Jennifer Jane Rosemary ACTIVE | Director | 01 Dec 2025 | | England | May 1969 | Pilot Way, Ansty Business Park, Coventry, CV7 9JU, United Kingdom |
| SADLER, Jacqueline Patricia Elizabeth RESIGNED | Secretary | | 14 Mar 2011 | | | 5 Upper Priory Street, Northampton, Northamptonshire, NN1 2PT |
| ANKERS, Mark RESIGNED | Director | 17 Jul 2015 | 23 Oct 2025 | England | August 1971 | 5 Upper Priory Street, Northampton, Northamptonshire, NN1 2PT |
| FINGER, Eugene RESIGNED | Director | | 07 Oct 2005 | | April 1938 | Old Milltown Road, New York 1059, FOREIGN, Usa |
| GREEN, Kerry RESIGNED | Director | 28 Apr 2022 | 07 Nov 2025 | England | August 1962 | Curtis Instruments (Uk) Limited Engineering Centre, 2 Koppers Way, Monkton Business Park South, Hebburn, NE31 2EZ, England |
| HILLIARD, William Palmer RESIGNED | Director | | 12 Dec 1996 | | May 1903 | Mauweehoo Hill, Sherman, Ct 06784, FOREIGN, Usa |
| LANGSFORD, Barry Joseph RESIGNED | Director | 01 Feb 2000 | 03 Oct 2018 | England | June 1952 | 5 Upper Priory Street, Northampton, Northamptonshire, NN1 2PT |
| LIEBOWITZ, Sidney RESIGNED | Director | | 29 Apr 2003 | | April 1924 | 41 North Lake Road, Armonk, New York, FOREIGN, Usa |
| MARWELL, Edwin Marvin RESIGNED | Director | | 07 Oct 2005 | | June 1922 | 2 1/2 Leonard Street, Mount Kisco, New York 10549, FOREIGN, Usa |
| MARWELL, Nicholas RESIGNED | Director | 03 Oct 2018 | 30 Sep 2025 | United States | August 1980 | 5 Upper Priory Street, Upper Priory Street, Grafton Street Industrial Estate, Northampton, NN1 2PT, England |
| MARWELL, Stuart RESIGNED | Director | | 09 Dec 2025 | United States | January 1948 | Curtis Instruments (Uk) Limited Engineering Centre, 2 Koppers Way, Monkton Business Park South, Hebburn, NE31 2EZ, England |
| MICHALEC, George RESIGNED | Director | | 18 Jun 1999 | | February 1923 | 388 Palmer Lane, New York 10570, FOREIGN, Usa |
| POST, Stephen RESIGNED | Director | | 17 Mar 2006 | | August 1948 | 97 Terra Bella Drive, Walnut Creek, California 94596, FOREIGN, Usa |
| SADLER, Richard William RESIGNED | Director | | 17 Jul 2015 | England | July 1950 | 5 Upper Priory Street, Northampton, Northamptonshire, NN1 2PT |
| WILKES, David RESIGNED | Director | 01 Oct 2018 | 29 Apr 2022 | England | June 1957 | 5 Upper Priory Street, Northampton, Northamptonshire, NN1 2PT |
| WILKES, David RESIGNED | Director | 01 Feb 2000 | 14 Mar 2011 | England | June 1957 | 5 Upper Priory Street, Northampton, Northamptonshire, NN1 2PT |