| Company | Timeline | Status | |
| Frischmann Group Ltd Director • Consulting Engineer | 15 May 2015←10 Years→Current | Active | |
| RSBG UK Ltd Director • Consulting Engineer | 15 May 2015←6 Years→30 Sep 2021 | Active | |
| Rsbgi Ltd Director • Consulting Engineer | 15 May 2015←6 Years→30 Sep 2021 | Active | |
