| Fartygskonstruktioner Aktiebolag CVR 5560881889 | BoardBoard of Directors | Since 2026 | — | Active |
| Mattssonföretagen i Uddevalla Aktiebolag CVR 5561078675 | BoardBoard of Directors | Since 2020 | — | Active |
| UFAB Group AB CVR 5561177667 | BoardBoard of Directors | Since 2024 | — | Active |
| Mattsson Fastigheter i Uddevalla Aktiebolag CVR 5562634344 | BoardBoard of Directors | Since 2020 | — | Active |
| Junoverken Aktiebolag CVR 5562634369 | BoardBoard of Directors | Since 2020 | — | Active |
| Säfflefastigheten Kolven AB CVR 5565590006 | BoardBoard of Directors | Since 2020 | — | Active |
| Pipfabriken Fastighetsaktiebolag CVR 5565968889 | BoardBoard of Directors | 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 |
| Rotvägen 3 i Säffle Fastighets AB CVR 5594059007 | BoardBoard of Directors | Since 2022 | — | Active |
| Kollabella Holding AB CVR 5594499450 | BoardBoard of Directors | Since 2023 | — | 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 |