| Company | Timeline | Status | |
| Sia Abrasives Holding Limited Director • Managing Director | 1 May 2017←3 Years→16 Sep 2020 | Active | |
| Sia Abrafoam Limited Director • Managing Director | 1 May 2017←3 Years→16 Sep 2020 | Active | |
| Sia Fibral Limited Director • Managing Director | 1 May 2017←3 Years→16 Sep 2020 | Active | |
| Sia (G.B.) Limited Director • Managing Director | 1 May 2017←3 Years→16 Sep 2020 | Active | |
| Sia Abrasives (G.B.) Ltd Director • Managing Director | 1 May 2017←3 Years→16 Sep 2020 | Active | |
