| Company | Timeline | Status | |
| Grunwald Engineering Services Ltd Director • Director | 18 Dec 2014←10 Months→31 Oct 2015 | Active | |
| Causebrook Smith Ltd Director • Director | 28 Jul 2009←6 Years→31 Oct 2015 | Active | |
| Grunwald Limited Director • Director | 3 Apr 2000←15 Years→31 Oct 2015 | Active | |
