| Company | Timeline | Status | |
| Mentor Communications Limited Director • Company Director | 16 Aug 1994←31 Years→Current | Active | |
| Mentor Marketing Sciences Limited Director • Computer Consultant | 30 Sep 1991←34 Years→Current | Liquidation | |
| Mentor-Hermes Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
