| Company | Timeline | Status | |
| STM Barnfield Close Ltd Director • Company Director | 7 Jul 2022←3 Years→Current | Active | |
| STM Enterprise Ltd Director • Company Director | 7 Dec 2020←4 Years→Current | Active | |
| Yamamoto Rock Splitter International Limited Director • Director | 4 Jul 2016←9 Years→Current | Active | |
