| Company | Timeline | Status | |
| Vakt Holdings Limited Director • Finance Director | 3 May 2019←4 Years→1 Dec 2023 | Active | |
| Koch Energy Europe Limited Director • Unreported | 25 Jul 2011←14 Years→Current | Active | |
| Koch Metals Trading Limited Director • Unreported | 20 Jul 2011←14 Years→Current | Active | |
| Koch Industries International Limited Director • Unreported | 16 Jun 2011←14 Years→Current | Active | |
| Koch Supply & Trading Company Ltd Director • Unreported | 16 Jun 2011←14 Years→Current | Active | |
