| Company | Timeline | Status | |
| 5ec Group Ltd Director • Director | 12 Mar 2025←7 Months→Current | Active | |
| 5ec Alu Ltd Director • Fabricator | 7 Jun 2018←7 Years→Current | Active | |
Kalinowski Enterprise Ltd Director • Director | 2 Jun 2016←4 Years→22 Sep 2020 | Dissolved | |
| Five Elements Constructions Ltd Director • Gas Engineer | 15 Jun 2015←10 Years→Current | Active | |
Mikolena Ltd Director • Director | 1 Feb 2011←3 Years→21 Oct 2014 | Dissolved | |
