| Company | Timeline | Status | |
| DH7 Investments Ltd Director • Civil Engineer | 4 Apr 2024←1 Year 9 Months→Current | Active | |
| Groundwater Engineering Academy Community Interest Company Director • Civil Engineer | 22 May 2018←3 Years→20 Jul 2021 | Dissolved | |
| Ogi Groundwater Specialists (Europe) Limited Director • Director | 10 Sep 1993←32 Years→Current | Active | |
| Ogi Groundwater Specialists (Europe) Limited Secretary • Unreported | 25 Aug 1993←32 Years→Current | Active | |
| Ogi Groundwater Specialists Limited Director • Civil Engineer | 4 Dec 1991←34 Years→Current | Active | |
| Ogi Groundwater Specialists Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
