| Company | Timeline | Status | |
| SWM Metals Ltd Director • Unreported | 23 Oct 2025←19 Days→Current | Active | |
| Sylwester Waste Management Ltd Director • Unreported | 9 Feb 2016←9 Years→Current | Active | |
Sylwester Construction Ltd Director • Unreported | 6 Aug 2012←5 Years→3 Jul 2018 | Dissolved | |
