| Company | Timeline | Status | |
| Optoplus Ltd Secretary • Unreported | 13 Jan 2006←19 Years→Current | Active | |
| Plus Opto Limited Director • Company Secretary | 29 Oct 1999←26 Years→Current | Active | |
| Plus Opto (Holdings) Limited Secretary • Secretary | 20 Oct 1999←26 Years→Current | Active | |
| Plus Opto (Holdings) Limited Director • Secretary | 20 Oct 1999←26 Years→Current | Active | |
| Plus Opto Limited Secretary • Unreported | 22 Nov 1994←30 Years→Current | Active | |
