| Company | Timeline | Status | |
| Software Devices Limited Director • Computer Consultant | 30 Dec 1991←33 Years→Current | Active | |
| Software Devices Limited Secretary • Computer Consultant | 30 Dec 1991←33 Years→Current | Active | |
| HQR Technologies Limited Director • Computer Consultant | 19 Oct 1991←1 Month→1 Dec 1991 | Active | |
| HQR Technologies Limited Secretary • Unreported | 19 Oct 1991←1 Month→1 Dec 1991 | Active | |
