| Company | Timeline | Status | |
| Inform Corporation Limited Director • Managing Director | 17 Aug 1999←18 Years→27 Mar 2018 | Active | |
| It Professional Limited Director • Managing Director | 17 Aug 1999←18 Years→27 Mar 2018 | Active | |
| Radius Professional Limited Director • Director | 13 Aug 1999←18 Years→27 Mar 2018 | Active | |
| Practice Net Limited Director • Managing Director | 24 May 1992←25 Years→27 Mar 2018 | Active | |
