| Company | Timeline | Status | |
| Romelec Limited Secretary • Unreported | 8 Aug 2008←17 Years→Current | Active | |
| Romelec Limited Director • Unreported | 8 Aug 2007←18 Years→Current | Active | |
| Softcore Limited Director • Engineer | 22 Oct 2003←22 Years→Current | Active | |
| Ryco Electronic Systems Limited Director • Engineer | 9 Dec 1999←22 Years→4 Jan 2022 | Dissolved | |
| Ryco Electronic Systems Limited Director • Electronics | 30 Jun 1995←4 Years→3 Oct 1999 | Dissolved | |
