| Company | Timeline | Status | |
| Amphonic Music Limited Director • Director | 11 Aug 1991←3 Years→15 Aug 1994 | Active | |
| Go Ahead Music Limited Director • Director | 11 Aug 1991←3 Years→15 Aug 1994 | Active | |
| Neo-Phonic Music Limited Director • Musical Director | 11 Aug 1991←3 Years→15 Aug 1994 | Active | |
