| Company | Timeline | Status | |
| Uroboros Ensemble Limited Secretary • Unreported | 1 Nov 1995←30 Years→2 Dec 2025 | Active | |
| Uroboros Ensemble Limited Director • Musician | 13 Jan 1993←33 Years→Current | Active | |
| Uroboros Ensemble Limited Director • Unreported | 1 Jan 1970←55 Years→2 Dec 2025 | Active | |
