| Company | Timeline | Status | |
| Antice Ltd Director • Director | 14 Mar 1997←18 Years→13 Aug 2015 | Dissolved | |
| Abi Systems Limited Director • (company) Secretary | 14 Aug 1992←33 Years→Current | Active | |
| Si Plan Electronics (Research) Limited Director • Secretary | 30 Jul 1991←30 Years→13 Aug 2021 | Active | |
