| JRR fastigheter Aktiebolag CVR 5563527935 | BoardBoard of Directors | Since 2022 | — | Active |
| Dender Förvaltning AB CVR 5563642544 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| PLH Förvaltning Aktiebolag CVR 5564176096 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Grobriks Fastighetsutveckling AB CVR 5566437876 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Bällstaudde Förvaltning AB CVR 5567388839 | BoardBoard of Directors | Since 2022 | — | Active |
| Ren Fuel K2B AB CVR 5568580939 | BoardBoard of Directors | Since 2020 | — | Active |
| Bällstaudde Fastigheter AB CVR 5590056619 | BoardBoard of Directors | Since 2022 | — | Active |
| Clear Round AB CVR 5590095146 | BoardBoard of Directors | Since 2021 | — | Active |
| Bällstaudde Projektutveckling AB CVR 5590157748 | BoardBoard of Directors | Since 2022 | — | Active |
| RenFuel K2B Lignolproduktion AB CVR 5590951116 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Lignolproduktion i Vallvik AB CVR 5591922553 | BoardBoard of Directors | Since 2021 | — | Active |
| Protector Sweden AB CVR 5594351446 | BoardBoard of Directors | Since 2023 | — | Active |
| Clear Round Försäljning AB CVR 5594363458 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Ren Fuel K2B Opco AB CVR 5594730466 | BoardBoard of Directors | Since 2024 | — | Active |
| Ren Fuel K2B Snowco AB CVR 5594730474 | BoardBoard of Directors | Since 2024 | — | Active |
| Ren Fuel K2B Ipco AB CVR 5594730482 | BoardBoard of Directors | Since 2024 | — | Active |
| Ren Fuel K2B FuelCo AB CVR 5594786674 | BoardBoard of Directors | Since 2024 | — | Active |