| Ringlinjen Aktiebolag CVR 5562685924 | BoardBoard of Directors | Since 2025 | — | Active |
| Energi & Miljöteknik Sverige AB CVR 5563016293 | BoardBoard of Directors | Since 2025 | — | Active |
| Alnova Balkongsystem AB CVR 5565222956 | BoardBoard of Directors | Since 2025 | — | Active |
| First Step Entreprenad AB CVR 5565573747 | BoardBoard of Directors | Since 2025 | — | Active |
| WBF Invest AB CVR 5566358841 | BoardBoard of Directors | Since 2021 | — | Active |
| Tubus System Väst AB CVR 5567284301 | BoardBoard of Directors | Since 2025 | — | Active |
| Tubus System International AB CVR 5567284319 | BoardBoard of Directors | Since 2025 | — | Active |
| Hindås Holding AB CVR 5567477947 | BoardBoard of Directors | Since 2022 | — | Active |
| YogaByLink Landvetter AB CVR 5569829749 | BoardDeputy Board Member | Since 2022 | — | Active |
| Tubus System Syd AB CVR 5590127345 | BoardDeputy Board Member | Since 2025 | — | Active |
| Ringlinjen Industrifastigheter AB CVR 5590598990 | BoardBoard of Directors | Since 2025 | — | Active |
| Ringlinjen Leasing AB CVR 5590642194 | BoardDeputy Board Member | Since 2019 | — | Dissolved |
| Prospect Comfort AB CVR 5592565617 | BoardBoard of Directors | Since 2022 | — | Active |
| Hindås Skidspår AB CVR 5594226747 | BoardBoard of Directors | Since 2023 | — | Active |
| Hindås & Lejon Invest AB CVR 5594539750 | BoardBoard of Directors | Since 2023 | — | Active |
| WBF Solsten AB CVR 5594860339 | BoardBoard of Directors | Since 2024 | — | Active |
| Energi & Miljöteknik Sverige Rör AB CVR 5595172163 | BoardBoard of Directors | Since 2025 | — | Active |
| Novogrund AB CVR 5595588038 | BoardBoard of Directors | Since 2025 | — | Active |
| Bostadsrättsföreningen Åbyvägen 15 CVR 7696418891 | BoardBoard of Directors | Since 2023 | — | Active |