| Company | Timeline | Status | |
| Staircases GRÜN Limited Director • Unreported | 19 Sep 2018←7 Years→Current | Active | |
| Smet Staircases Limited Director • Unreported | 1 Jan 2013←12 Years→Current | Active | |
| Smet UK Limited Director • Unreported | 12 Sep 2006←19 Years→Current | Active | |
