| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Rördoktorn N.E. Aktiebolag CVR 5562223296 | BoardBoard of Directors | Since 2025 | — | Active |
| VVS Montage Sverige AB CVR 5565597407 | BoardBoard of Directors | Since 2020 | — | Active |
| Asfalt Mark & Miljö 17 AB CVR 5567823330 | BoardBoard of Directors | Since 2021 | — | Active |
| Nibro Estates AB CVR 5568795073 | BoardBoard of Directors | Since 2021 | — | Active |
| Nibro Holding AB CVR 5568981269 | BoardBoard of Directors | Since 2021 | — | Active |
| Nibro Properties AB CVR 5569640807 | BoardBoard of Directors | Since 2021 | — | Active |
| Nibro Residences AB CVR 5590279070 | BoardBoard of Directors | Since 2021 | — | Active |
| 4 Invest AB CVR 5592366982 | BoardBoard of Directors | Since 2021 | — | Active |
| MRB Invest AB CVR 5592900582 | BoardDeputy Board Member | Since 2022 | — | Active |
| Patrik Nilson Invest AB CVR 5592900608 | BoardBoard of Directors | Since 2022 | — | Active |
| PJN Investment AB CVR 5595101287 | BoardBoard of Directors | Since 2025 | — | Active |
| Markum Holding AB CVR 5595145136 | BoardBoard of Directors | Since 2025 | — | Active |
| AquaMont Holding AB CVR 5595351809 | BoardBoard of Directors | Since 2025 | — | Active |
| Markum Entreprenad AB CVR 5595488403 | BoardBoard of Directors | Since 2026 | — | Active |
| FRE Holding AB CVR 5595520395 | BoardBoard of Directors | Since 2026 | — | Active |
| Malmkrossen AB CVR 5595571836 | BoardBoard of Directors | Since 2026 | — | Active |
| 2 Invest Sverige AB CVR 5595631887 | BoardBoard of Directors | Since 2026 | — | Active |
| Markum Management AB CVR 5595721050 | BoardBoard of Directors | Since 2026 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| MTB Mark & Trädgårdsbyggarna AB CVR 5568080385 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Markax AB CVR 5568117732 | BoardBoard of Directors | 2023 – 2024 | — | Active |
| Slutplattan HIVOX 121538 AB CVR 5590554647 | BoardBoard of Directors | 2021 – 2025 | — | Dissolved |
| Slutplattan HIVOX 121537 AB CVR 5591252068 | BoardBoard of Directors | 2021 – 2025 | — | Dissolved |
| Gästis Bålsta AB CVR 5593191801 | BoardBoard of Directors | 2022 – 2022 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 2companies | View profile | |
| Chairman | 2companies | View profile | |
| Chief Auditor | 2companies | View profile | |
| Chief Auditor | 2companies | View profile | |
| Audit | 1company | View profile |