| Company | Timeline | Status | |
| Itso Limited Director • Consulting Engineer | 5 Nov 2015←1 Year 10 Months→14 Sep 2017 | Active | |
| CJS Ip Limited Director • Director | 24 Feb 2011←14 Years→Current | Active | |
| CJS Consultancy Limited Director • Director | 9 Aug 2002←23 Years→Current | Active | |
