| Company | Timeline | Status | |
| Rookfield Management Limited Director • Unreported | 29 Apr 2024←1 Year→30 Apr 2025 | Active | |
| Energy Expert Witness Services Limited Director • Chartered Engineer | 5 Jun 2023←2 Years 7 Months→Current | Active | |
| Petroleum Development Consultants Limited Director • Engineer | 13 Sep 1991←34 Years→22 Dec 2025 | Dissolved | |
| Petroleum Development Consultants Limited Director • Unreported | 1 Jan 1970←56 Years→22 Dec 2025 | Dissolved | |
