| Company | Timeline | Status | |
| Seiche Operations Ltd Director • Unreported | 1 Jun 2018←7 Years→Current | Active | |
| Seiche Environmental Ltd Director • Unreported | 10 Feb 2017←8 Years→Current | Active | |
| Seiche Water Technology Group Ltd Director • Unreported | 2 Jun 2016←9 Years→Current | Active | |
| Ashridge Engineering Limited Director • Unreported | 21 May 2015←10 Years→Current | Active | |
| Seiche Training Limited Director • Unreported | 14 Nov 2014←10 Years→Current | Active | |
| Seiche Measurements Limited Director • Unreported | 13 Sep 2013←12 Years→Current | Active | |
| Seiche Limited Director • Unreported | 30 Apr 1998←27 Years→Current | Active | |
| Kongsberg Technologies Limited Director • Commercial Manager | 5 Jun 1992←5 Years→18 Feb 1998 | Dissolved | |
