| Company | Timeline | Status | |
Woodbond Limited Secretary • Unreported | 27 Feb 1999←9 Years→26 Aug 2008 | Dissolved | |
| WHD Microanalysis Consultants Limited Secretary • Unreported | 30 Nov 1991←33 Years→Current | Active | |
| WHD Microanalysis Consultants Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
