| Company | Timeline | Status | |
| Protech Formulations Limited Secretary • Librarian | 18 Sep 2002←23 Years→Current | Active | |
| Grotech Production Limited Secretary • Unreported | 27 May 2002←23 Years→Current | Active | |
| Molescroft Management Limited Secretary • Unreported | 10 Jul 1997←26 Years→11 Jul 2023 | Active | |
