| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Prefament Söderhamn AB CVR 5562209451 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Nordiska Byggträ AB CVR 5565644944 | BoardDeputy Board Member | Since 2025 | — | Active |
| M Hammar Fastigheter i Kolsva AB CVR 5567528061 | BoardBoard of Directors | Since 2022 | — | Active |
| Uppsala Trä AB CVR 5568562127 | BoardDeputy Board Member | Since 2025 | — | Active |
| Prefament Kungsör AB CVR 5590730429 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| M Hammar Fastigheter AB CVR 5593134637 | BoardBoard of Directors | Since 2021 | — | Active |
| M Hammar Fastigheter i Uppsala AB CVR 5593226953 | BoardBoard of Directors | Since 2021 | — | Active |
| Br. Hammar Holding AB CVR 5593453839 | BoardDeputy Board Member | Since 2022 | — | Active |
| M Hammar Träteknik AB CVR 5593528887 | BoardBoard of Directors | Since 2022 | — | Active |
| Br Hammar Holding 2 AB CVR 5593576829 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| Br Hammar Förvaltning AB CVR 5594623810 | BoardDeputy Board Member | Since 2023 | — | Active |
| Kolsva bygg och trä CVR 6512106953 | OtherStakeholder | Since 2019 | — | Active |
| Långsvan ekonomisk förening CVR 7696320642 | BoardDeputy Board Member | Since 2021 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Prefament AB CVR 5569479503 | BoardBoard of Directors | 2021 – 2023 | — | Active |
| Borlänge Byggproduktion AB CVR 5591660112 | BoardDeputy Board Member | 2020 – 2022 | — | Active |
| Sista versen 74347 AB CVR 5591972129 | BoardDeputy Board Member | 2020 – 2022 | — | Dissolved |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Deputy Chief Executive Officer | 2companies | View profile | |
| Chairman | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Chairman | 1company | View profile | |
| Board of Directors | 1company | View profile |