| Company | Timeline | Status | |
A Q Monitors Ltd Director • Company Director | 31 Oct 2011←5 Years→28 Feb 2017 | Dissolved | |
| Airq Ltd Director • Scientist | 16 Feb 2006←19 Years→Current | Active | |
| PM10 Ltd Director • Scientist | 16 Feb 2006←19 Years→Current | Active | |
| Hawksheads Limited Director • Company Director | 14 Feb 2005←20 Years→Current | Active | |
| Turnkey Limited Director • Scientist | 26 Mar 2004←21 Years→Current | Active | |
| Mesa Limited Director • Scientist | 12 Dec 2002←23 Years→Current | Active | |
| Tripseal Limited Director • Scientist | 27 Feb 2002←23 Years→Current | Active | |
| Turnkey Systems Limited Director • Scientist | 22 Feb 2002←23 Years→Current | Active | |
| Seal-N-Tag Limited Director • Scientist | 9 May 2001←24 Years→Current | Active | |
| Turnkey Instruments Limited Secretary • Scientist | 1 Feb 1999←26 Years→Current | Active | |
