| SOWERBY, Christopher Francis ACTIVE | Secretary | 06 Oct 2022 | | | | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| CHALMERS, Alexander John ACTIVE | Director | 15 Oct 2010 | | United Kingdom | July 1980 | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| CIBOROWSKI, Piotr ACTIVE | Director | 02 Feb 2026 | | Poland | December 1970 | Henkel Limited, Wood Lane End, Hemel Hempstead, Hertfordshire, HP2 4RQ, United Kingdom |
| KLOEBBE, Florian ACTIVE | Director | 02 Feb 2026 | | Germany | May 1983 | 67, Henkelstrasse, Düsseldorf, 40589, Germany |
| RAGHAVAN, Tarakeshwar, Mr. ACTIVE | Director | 02 Feb 2026 | | United Kingdom | August 1963 | Henkel Limited, Wood Lane End, Hemel Hempstead, HP2 4RQ, United Kingdom |
| BOOTH, Christopher RESIGNED | Secretary | 14 Jul 2004 | 30 Apr 2006 | | | 1 Sunnyside, Asenby, Thirsk, North Yorkshire, YO7 3QU |
| CHALMERS, Alexander John RESIGNED | Secretary | 01 Jun 2015 | 06 Oct 2022 | | | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| CHALMERS, Iain Robert John RESIGNED | Secretary | 30 Apr 2006 | 03 Nov 2008 | | | The College Lawns, 22 Wilkinson Court, Ripon, North Yorkshire, HG4 2TW |
| JEMISON, Susan Elaine RESIGNED | Secretary | 03 Nov 2008 | 30 May 2015 | | | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| LAUNDER, Gary Dennis RESIGNED | Secretary | | 13 Jul 2004 | | | 5 Birkhills, Burton Leonard, Harrogate, North Yorkshire, HG3 3SF |
| BOOTH, Christopher RESIGNED | Director | 14 Jul 2004 | 30 Apr 2006 | | July 1955 | 1 Sunnyside, Asenby, Thirsk, North Yorkshire, YO7 3QU |
| CHALMERS, Andrew Sinclair John RESIGNED | Director | 07 Jul 2022 | 02 Feb 2026 | England | November 1977 | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| CHALMERS, Iain Robert John RESIGNED | Director | 01 Nov 1995 | 02 Feb 2026 | United Kingdom | December 1970 | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| CHALMERS, John Keith RESIGNED | Director | | 02 Feb 2026 | England | July 1936 | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| LAUNDER, Gary Dennis RESIGNED | Director | | 13 Jul 2004 | England | October 1960 | 5 Birkhills, Burton Leonard, Harrogate, North Yorkshire, HG3 3SF |
| RAWSTHORNE, Andrew RESIGNED | Director | 01 Jun 2021 | 02 Feb 2026 | England | June 1979 | Dalton Airfield, Industrial Estate Dalton, Thirsk, North Yorkshire, YO7 3HE |
| ROBINSON, Keith RESIGNED | Director | | 30 Apr 2001 | | November 1942 | Temple Cottage 33 Kimberley Road, Nuthall, Nottingham, Nottinghamshire, NG16 1DA |