| Company | Timeline | Status | |
| Fairhaven Instrumentation Ltd Director • Instrument Engineer | 1 Apr 2015←10 Years→Current | Active | |
Lind Instrument Engineering Ltd Director • Instrument Engineer | 8 Jan 2013←3 Years→25 Oct 2016 | Dissolved | |
| CJR Instrument And Analyser Engineering Services Ltd Director • Engineer | 1 Nov 2010←11 Years→21 Jun 2022 | Dissolved | |
Precision Analytics Limited Director • Analyser Engineer | 15 Feb 2001←16 Years→22 Aug 2017 | Dissolved | |
