| Company | Timeline | Status | |
| Mather Engineering Limited Secretary • Unreported | 31 May 1991←34 Years→Current | Active | |
| Mather Engineering Limited Director • Engineer | 31 May 1991←34 Years→Current | Active | |
| Mather Engineering Limited Secretary • Unreported | 1 Jan 1970←54 Years→17 Oct 2024 | Active | |
| Mather Engineering Limited Director • Engineer | 1 Jan 1970←54 Years→17 Oct 2024 | Active | |
