| Company | Timeline | Status | |
| Colonial Park Management Company Limited Director • University Lecturer | 17 Sep 2018←7 Years→Current | Active | |
Oskis Informatics Limited Director • Engineer | 31 Oct 2007←9 Months→11 Aug 2008 | Dissolved | |
| Cogent Method Limited Director • Professional Engineer | 8 Sep 2000←25 Years→Current | Active | |
| RCP Trade Solutions Limited Director • Chartered Engineer | 20 Apr 1993←7 Years→26 Sep 2000 | Active | |
| Valescourt Ltd Director • Engineer | 1 Sep 1991←4 Years→21 Nov 1995 | Active | |
