| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| PER JOHNSEN HOLDING ApS CVR 32931405 | OtherFounder | Since 2010 | — | Active |
| Filter-Online & Nordic Filtration ApS CVR 39216280 | ManagementManagement | Since 2020 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| ASX 13587 ApS CVR 11999239 | ManagementManagement | 1988 – 1990 | — | Dissolved |
| ULTRAFILTER ApS CVR 15883995 | BoardBoard of Directors | 2002 – 2005 | — | Dissolved |
| ultra-web.dk CVR 18428075 | OtherStakeholder | 1995 – 2016 | — | Active |
| QUALITY AIR DENMARK, FILIAL AF QUALITY AIR GMBH, D. CVR 26208726 | OtherBranch Manager | 2001 – 2006 | — | Active |
| ULTRAFILTER SKANDINAVIEN ApS CVR 32931472 | ManagementManagement | 2010 – 2024 | — | Active |
| Ultra-web.dk IVS CVR 37639338 | ManagementManagement | 2016 – 2020 | — | Dissolved |
| SØNDERSØ BRUGSFORENING CVR 41312319 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| JITS ApS CVR 37590029 | ManagementManagement | 2016 – 2017 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Audit | 2companies | View profile | |
| Management | 2companies | View profile | |
| Audit | 1company | View profile | |
| Management | 1company | View profile | |
| Management | 1company | View profile |