| Nordstjernan Aktiebolag CVR 5560001421 | OtherExternal Signatory | Since 2024 | — | Active |
| Johnson Line Aktiebolag CVR 5560993163 | BoardBoard of Directors | Since 2024 | — | Active |
| Nordstjernan Investment AB CVR 5563089381 | BoardBoard of Directors | Since 2024 | — | Active |
| Rosti Group AB CVR 5563089456 | BoardBoard of Directors | Since 2024 | — | Active |
| Nobia AB CVR 5565282752 | BoardBoard of Directors | Since 2025 | — | Active |
| Nordstjernan Industriutveckling AB CVR 5566250923 | BoardBoard of Directors | Since 2024 | — | Dissolved |
| Engelsbergs Bruk Aktiebolag CVR 5567359202 | BoardBoard of Directors | Since 2025 | — | Active |
| Nordstjernan Kredit AB CVR 5567402267 | BoardBoard of Directors | Since 2024 | — | Active |
| Fyrmästaren AB CVR 5568226251 | BoardBoard of Directors | Since 2024 | — | Active |
| Salcomp Holding AB CVR 5568687999 | BoardBoard of Directors | Since 2024 | — | Active |
| Nordstjernan Partnership Capital AB CVR 5590374707 | BoardBoard of Directors | Since 2024 | — | Active |
| Momentum Group AB CVR 5592660699 | BoardBoard of Directors | Since 2025 | — | Active |
| Kolberholmen AB CVR 5592780562 | BoardBoard of Directors | Since 2025 | — | Active |
| Kalkskär Holding AB CVR 5595542365 | BoardBoard of Directors | Since 2026 | — | Active |
| DIAB ManCo AB CVR 5595574889 | BoardBoard of Directors | Since 2025 | — | Active |
| Lindskär Credit AB CVR 5595618488 | BoardBoard of Directors | Since 2026 | — | Active |
| Bostadsrättsföreningen Rosenbusken 9 CVR 7696115505 | BoardBoard of Directors | Since 2024 | — | Active |
