| Company | Timeline | Status | |
| Concept Energy Solutions Ltd Director • Director | 1 Jun 2011←3 Years→31 May 2014 | Active | |
| Concept Energy Solutions Ltd Director • Director | 14 Oct 2010←7 Months→1 Jun 2011 | Active | |
| Concept Energy Consulting Ltd Director • Managing Director | 20 Jun 2008←5 Years→31 May 2014 | Active | |
| Concept Energy Technologies Ltd Director • Managing Director | 20 Jun 2008←5 Years→31 May 2014 | Active | |
| Condition Online Remote Monitoring Systems Limited Director • Managing Director | 20 Jun 2008←5 Years→31 May 2014 | Active | |
