| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Jerker Perers CVR 4503087373 | OtherStakeholder | Since 2023 | — | Active |
| Sweco-Cowi Joint Venture AB CVR 5560855867 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| VIAK VA-Anläggningar AB CVR 5561047829 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| VBB Urban Hydroinformatics Centre AB CVR 5561971952 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| VBB VIAK Geoteknik Uddevalla AB CVR 5562032226 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Gasbyggarna i Stockholm AB CVR 5563877660 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| PERERS Teknik och Design AB CVR 5567275002 | BoardBoard of Directors | Since 2020 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 2companies | View profile | |
| Chairman | 1company | View profile | |
| Chief Auditor | 1company | View profile | |
| Chief Auditor | 1company | View profile | |
| Board of Directors | 1company | View profile |