| Company | Timeline | Status | |
| C. C. Hydrosonics Limited Director • Director | 15 Sep 2011←14 Years→Current | Active | |
| C. C. Hydrosonics Limited Director • Director | 15 Sep 2011←14 Years→1 Oct 2025 | Active | |
| Crest Ultrasonics Europe Limited Director • Director | 29 Apr 1997←28 Years→Current | Active | |
| Crest Ultrasonics Europe Limited Director • Director | 29 Apr 1997←28 Years→1 Oct 2025 | Active | |
