| Company | Timeline | Status | |
| 1ST Coverall Holdings Ltd Director • Director | 21 Feb 2020←5 Years→Current | Active | |
1ST Hoodies Limited Director • Director | 9 Mar 2012←3 Years→2 Feb 2016 | Dissolved | |
| 1ST Biotech Limited Director • Director | 11 Jul 2007←18 Years→Current | Active | |
| 1ST Biotech Limited Secretary • Director | 11 Jul 2007←18 Years→Current | Active | |
| 1ST Coverall Company Limited Director • Director | 31 Mar 2002←23 Years→Current | Active | |
| 1ST Coverall Company Limited Secretary • Director | 31 Mar 2002←23 Years→Current | Active | |
