| Company | Timeline | Status | |
| PC Environmental Consultants Ltd Director • Consultant | 21 Oct 2019←6 Years→Current | Active | |
| PC Environmental Holdings Limited Director • Unreported | 3 Nov 2016←9 Years→Current | Active | |
| PC Environmental Limited Secretary • Unreported | 23 Oct 2002←5 Years→25 Feb 2008 | Active | |
| PC Environmental Limited Director • Engineer | 12 Jul 1999←26 Years→Current | Active | |
