| Company | Timeline | Status | |
H D Science Limited Director • Biochemist | 24 Mar 2015←4 Years→11 Feb 2020 | Dissolved | |
| Specialist Bioanalytical Services Limited Director • Bio-chemist | 31 Dec 1991←33 Years→Current | Active | |
| Specialist Bioanalytical Services Limited Secretary • Unreported | 31 Dec 1991←33 Years→Current | Active | |
