| Company | Timeline | Status | |
| Ceamd Limited Director • Engineer | 17 Dec 2008←2 Days→19 Dec 2008 | Active | |
Chemecol (UK) Limited Director • Resesarch Scientist | 6 Jan 1999←4 Years→31 Dec 2003 | Dissolved | |
Chemecol (UK) Limited Secretary • Unreported | 1 Jan 1999←4 Years→25 Feb 2003 | Dissolved | |
| British Flame Research Committee Director • Research | 21 Oct 1995←4 Years→10 May 2000 | Active | |
| Chemadd Limited Director • Scientist | 30 Apr 1992←33 Years→7 Oct 2025 | Dissolved | |
