| Company | Timeline | Status | |
| Tensid UK Ltd Director • Director | 13 Apr 2022←3 Years→Current | Active | |
| E.P. Laboratories Limited Director • Company Director | 16 Dec 2019←5 Years→Current | Active | |
| Eco-Point Laboratories Limited Director • None | 10 Oct 2014←11 Years→Current | Active | |
| Unispec Chemicals Limited Secretary • Unreported | 14 Oct 2008←17 Years→Current | Active | |
| Unispec Chemicals Limited Director • Unreported | 14 Oct 2008←17 Years→Current | Active | |
| Ecosearch Limited Secretary • Company Director | 1 May 2003←22 Years→Current | Active | |
| Fisher Darville Holdings Limited Secretary • Company Director | 29 Nov 2002←22 Years→Current | Active | |
| Chela Ltd Secretary • Company Director | 1 Nov 2002←23 Years→Current | Active | |
| Fisher Research Ltd Secretary • Company Director | 1 Nov 2002←23 Years→Current | Active | |
| Fisher Darville Holdings Limited Director • Unreported | 8 Sep 2001←24 Years→Current | Active | |
