| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Helena Oscarsson Hammar AB CVR 5562624451 | BoardDeputy Board Member | Since 2021 | — | Active |
| Dooh Nibor AB CVR 5564580388 | BoardDeputy Board Member | Since 2026 | — | Active |
| Fastighetsbyrån Helena Oscarsson-Hammar Aktiebolag CVR 5566308945 | BoardDeputy Board Member | Since 2021 | — | Active |
| Hammarkraft Projekt AB CVR 5567925069 | BoardBoard of Directors | Since 2022 | — | Active |
| Hammar Data CVR 7107136231 | OtherStakeholder | Since 1995 | — | Active |
| HolmedalsNet Ekonomisk förening CVR 7696239495 | BoardBoard of Directors | Since 2022 | — | Active |
| Ångbåtssällskapet Nordmarken Ekonomisk förening CVR 7696256135 | BoardBoard of Directors | Since 2022 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 3companies | View profile | |
| Audit | 2companies | View profile | |
| Deputy Board Member | 1company | View profile |