| PENTECOST, Michael Howard ACTIVE | Director | 23 Mar 2023 | | England | August 1971 | Christchurch House, The Embankment, Wellingborough, NN8 1LD, England |
| YOUENS, Laura Michele ACTIVE | Director | 28 Mar 2025 | | England | February 1983 | Christchurch House, The Embankment, Wellingborough, NN8 1LD, England |
| AYRES, Andrew John RESIGNED | Secretary | 08 Sep 2006 | 31 May 2012 | | | 1/3 Totteridge Lane, Whetstone, London, N20 Oey |
| DAVID, Colin Michael RESIGNED | Secretary | | 27 Sep 2002 | | | 1-3 Totteridge Lane, London, N20 0EY |
| JULIEN, Jean Charles RESIGNED | Secretary | 27 Sep 2002 | 08 Sep 2006 | | | 90, Cecile Park, Crouch End, London, N8 9AU |
| AYRES, Andrew John RESIGNED | Director | 01 Apr 2003 | 31 May 2012 | Uk | March 1959 | 17 Excalibur Close, Duston, Northampton, Northamptonshire, NN5 4BJ |
| BLENKINSOPP, James Ian RESIGNED | Director | 15 Sep 2021 | 28 Mar 2025 | United Kingdom | November 1957 | U-Pol Tech Centre, Denington Road, Denington Industrial Estate, Wellingborough, Northamptonshire, NN8 2QH |
| COOMBES, Michael John RESIGNED | Director | 05 Jul 2012 | 15 Sep 2021 | England | May 1963 | U-Pol Tech Centre, Denington Road, Denington Industrial Estate, Wellingborough, Northamptonshire, NN8 2QH, England |
| DAVID, Bernard Jacques RESIGNED | Director | | 27 Sep 2002 | | October 1951 | 1-3 Totteridge Lane, London, N20 0EY |
| DAVID, Colin Michael RESIGNED | Director | | 27 Sep 2002 | | May 1955 | 1-3 Totteridge Lane, London, N20 0EY |
| DAVID, Regine RESIGNED | Director | | 31 Dec 2000 | | December 1917 | 14 Temple Avenue, Whetstone, London, N20 9EH |
| DOLAN, Farrell RESIGNED | Director | 15 Sep 2021 | 29 Jun 2022 | England | December 1969 | U-Pol Tech Centre, Denington Road, Denington Industrial Estate, Wellingborough, Northamptonshire, NN8 2QH |
| FLETCHER, Kenneth Peter RESIGNED | Director | | 31 Oct 2006 | | August 1944 | 15 Coopers Close, Stevenage, Hertfordshire, SG2 9TL |
| HEWSON, Mark David Stuart RESIGNED | Director | 05 Jan 2012 | 29 Nov 2012 | United Kingdom | December 1970 | U Pol Limited, Denington Industrial Estate, Denington Road, Wellingborough, Northamtonshire, NN8 2QP, United Kingdom |
| JULIEN, Jean Charles RESIGNED | Director | | 06 Sep 2010 | United Kingdom | February 1951 | 90, Cecile Park, Crouch End, London, N8 9AU |
| LUCY, Brian RESIGNED | Director | | 20 May 1994 | | March 1930 | 3 Grange Road, Little Cransley, Kettering, Northamptonshire, NN14 1PH |
| LUCY, Nicholas Hugh RESIGNED | Director | 31 Mar 1996 | 01 Apr 2011 | United Kingdom | March 1954 | 1/3 Totteridge Lane, Whetstone, London, N20 Oey |
| MAY, Philip John RESIGNED | Director | 20 May 2009 | 12 Oct 2015 | United Kingdom | July 1960 | Ridgemount House, 1-3 Totteridge Lane, Whetstone, London, N20 0EY, England |
| METZ, Thomas Horst Felix RESIGNED | Director | 01 Jun 2005 | 14 Dec 2012 | England | August 1964 | 1/3 Totteridge Lane, Whetstone, London, N20 Oey |
| MORTON, Kelvin RESIGNED | Director | 31 Mar 1996 | 22 Dec 1998 | England | January 1946 | Bienvenue 11 Woodland Place, Great Barton, Bury St Edmunds, Suffolk, IP31 2TG |
| O'MALLEY, Michael RESIGNED | Director | | 27 Dec 1994 | | November 1945 | 11 Lyonsdown Avenue, New Barnet, Barnet, Hertfordshire, EN5 1DU |
| POOLE, Mark Andrew, Dr RESIGNED | Director | 05 Jan 2012 | 18 Mar 2014 | United Kingdom | July 1966 | U Pol Limited, Denington Industrial Estate, Denington Road, Wellingborough, Northamtonshire, NN8 2QP, United Kingdom |
| TANN, Michael John RESIGNED | Director | 01 Jan 2000 | 30 Jun 2009 | | March 1947 | 78 Ashby Drive, Rushden, Northamptonshire, NN10 9HH |
| WILLIAMS, Guy Hampson RESIGNED | Director | 29 Jun 2022 | 23 Mar 2023 | Wales | March 1967 | Christchurch House, The Embankment, Wellingborough, NN8 1LD, England |
| WILLIAMS, Guy Hampson RESIGNED | Director | 12 Oct 2015 | 15 Sep 2021 | Wales | March 1967 | U-Pol Tech Centre, Denington Road, Denington Industrial Estate, Wellingborough, Northamptonshire, NN8 2QH, England |