| Company | Timeline | Status | |
| Ultraseal International Group Limited Director • Unreported | 1 Oct 2019←6 Years→5 Dec 2025 | Active | |
| QH International Limited Director • Unreported | 18 Sep 2019←6 Years→5 Dec 2025 | Active | |
| QH Chemical Limited Director • Unreported | 16 Sep 2019←6 Years→23 Dec 2025 | Dissolved | |
| QH Holdings Limited Director • Unreported | 16 Sep 2019←6 Years→23 Dec 2025 | Dissolved | |
| Quaker Houghton Holdings Limited Director • Unreported | 13 Sep 2019←6 Years→5 Dec 2025 | Active | |
| Pulse Electronics GMBH Director • Unreported | 19 Jul 2011←14 Years→Current | Active | |
