| Company | Timeline | Status | |
| Tetra Tech RPS Energy Consultants Limited Director • Director | 8 Mar 2018←6 Months→30 Sep 2018 | Active | |
| Tetra Tech RPS Energy Limited Director • Director | 8 Mar 2018←6 Months→30 Sep 2018 | Active | |
| Withdean Property Investment Limited Director • Unreported | 1 Aug 2013←12 Years→Current | Active | |
