| Company | Timeline | Status | |
| Global Trenching Limited Director • Director  | 29 Sep 2022←3 Years→Current  | Active  | |
| Mastenbroek Holding Company Limited Director • Director  | 29 Sep 2022←3 Years→Current  | Active  | |
| Mastenbroek Environmental Limited Director • Mechanical Engineer  | 20 Nov 2017←7 Years→Current  | Active  | |
