| Company | Timeline | Status | |
| The Golden Studio MCR Ltd Director • Unreported | 4 Apr 2024←1 Year 7 Months→Current | Active | |
| Yan Colombo Spirits Ltd Director • Unreported | 30 Aug 2023←2 Years 2 Months→Current | Active | |
| Yan-Colombo Consulting Ltd Director • Unreported | 12 Sep 2019←6 Years→Current | Active | |
Yu Yan Consulting Ltd Director • Chinese Business Consultant | 13 Apr 2017←2 Years 8 Months→10 Dec 2019 | Dissolved | |
