| Company | Timeline | Status | |
| Environmental Tracing Ltd Director • Company Director  | 27 Feb 2021←4 Years→Current  | Active  | |
| Weir TSCS Ltd Director • Oceanographer  | 21 Apr 2015←5 Months→6 Oct 2015  | Active  | |
Environmental Tracing Solutions Limited Director • Oceanographer/director  | 14 Dec 2010←3 Years→25 Apr 2014  | Dissolved  | |
Ets Worldwide Limited Director • Oceanographer/director  | 25 Oct 2010←5 Years→2 Feb 2016  | Dissolved  | |
Environmental Tracing Systems Limited Secretary • Oceanographer/director  | 3 Aug 1992←24 Years→15 Jun 2017  | Dissolved  | |
Environmental Tracing Systems Limited Director • Oceanographer/director  | 7 May 1992←25 Years→15 Jun 2017  | Dissolved  | |
