| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| UMV Coating Systems Aktiebolag CVR 5560743311 | BoardBoard of Directors | Since 2020 | — | Active |
| Fartygskonstruktioner Aktiebolag CVR 5560881889 | BoardBoard of Directors | Since 2020 | — | Active |
| Mattssonföretagen i Uddevalla Aktiebolag CVR 5561078675 | BoardBoard of Directors | Since 2020 | — | Active |
| UFAB Group AB CVR 5561177667 | BoardBoard of Directors | Since 2020 | — | Active |
| Mattssonprodukter i Uddevalla Aktiebolag CVR 5562024603 | BoardDeputy Board Member | Since 2022 | — | Active |
| Mattsson Fastigheter i Uddevalla Aktiebolag CVR 5562634344 | BoardBoard of Directors | Since 2020 | — | Active |
| Junoverken Aktiebolag CVR 5562634369 | BoardBoard of Directors | Since 2022 | — | Active |
| Säfflefastigheten Kolven AB CVR 5565590006 | BoardBoard of Directors | Since 2021 | — | Active |
| Pipfabriken Fastighetsaktiebolag CVR 5565968889 | BoardBoard of Directors | Since 2021 | — | Active |
| Muttern i Uddevalla Fastighets AB CVR 5567793913 | BoardDeputy Board Member | Since 2022 | — | Active |
| Göteborg Gårda 34:14 AB CVR 5568781271 | BoardBoard of Directors | Since 2022 | — | Active |
| Fridkulla Fastighet AB CVR 5569189573 | BoardBoard of Directors | Since 2024 | — | Active |
| Anegrund i Uddevalla Fastighetsaktiebolag CVR 5593208993 | BoardBoard of Directors | Since 2022 | — | Active |
| Sävalla Invest AB CVR 5593553315 | BoardBoard of Directors | Since 2022 | — | Active |
| Rotvägen 3 i Säffle Fastighets AB CVR 5594059007 | BoardBoard of Directors | Since 2022 | — | Active |
| Pilen i Trollhättan AB CVR 5594629106 | BoardDeputy Board Member | Since 2024 | — | Active |
| Mattsson Fastigheter i Göteborg AB CVR 5594787334 | BoardBoard of Directors | Since 2024 | — | Active |
| Aminoff 14 AB CVR 5595679100 | BoardBoard of Directors | Since 2026 | — | Active |
| MFast Lodjuret 3 AB CVR 5595781492 | BoardBoard of Directors | Since 2026 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| S Mattsson Marin Teknik Aktiebolag CVR 5560342445 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| UMV Machinery AB CVR 5560968173 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| S. Mattsson Automation Aktiebolag CVR 5562439074 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| Bohusarken Fastighets AB CVR 5568647522 | BoardDeputy Board Member | 2020 – 2025 | — | Active |
| METS Technology AB CVR 5592068752 | BoardBoard of Directors | 2020 – 2024 | — | Active |
| STEM Holding AB CVR 5594938820 | BoardBoard of Directors | 2024 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 3companies | View profile | |
| Audit | 3companies | View profile | |
| Chairman | 3companies | View profile | |
| Board of Directors | 2companies | View profile | |
| Board of Directors | 2companies | View profile |