| Company | Timeline | Status | |
| Catto Limited Director • None | 25 Oct 2017←7 Months→20 Jun 2018 | Active | |
| Tay Brothers Limited Director • Pharmacist | 11 Oct 1991←23 Years→19 Jan 2015 | Active | |
| Plutoland Limited Director • Pharmacist | 25 Jan 1991←34 Years→Current | Active | |
| Catto Trading Limited Director • Pharmacist | 25 Jan 1991←34 Years→Current | Active | |
| Bluebell Vineyard Estates Limited Director • Pharmacist | 25 Jan 1991←34 Years→Current | Active | |
