| Company | Timeline | Status | |
Syncromec Limited Director • Director | 4 Jun 2014←1 Year 5 Months→3 Nov 2015 | Dissolved | |
| Crest Ultrasonics Europe Limited Director • Managing Director | 5 Dec 2002←22 Years→Current | Active | |
| C. C. Hydrosonics Limited Secretary • Unreported | 12 Jun 1991←34 Years→Current | Active | |
| C. C. Hydrosonics Limited Director • Engineer | 1 Jan 1970←55 Years→Current | Active | |
