| Company | Timeline | Status | |
| Lakeside Business Park Management Limited Director • Engineer | 2 Apr 2004←16 Years→2 Oct 2020 | Active | |
| D.P.E. Limited Director • Engineer | 18 May 2000←20 Years→29 Jan 2021 | Liquidation | |
| D.P.E. Limited Secretary • Unreported | 11 May 2000←4 Years→27 Jan 2005 | Liquidation | |
