| Stora Enso Fine Paper Aktiebolag CVR 5560004425 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Dalälvens Kraft AB CVR 5560073768 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Stora Enso Scandinavia Aktiebolag CVR 5560128828 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Voxnan Kraft AB CVR 5560217498 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Värme Fastigheter AB CVR 5560426842 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Stenblocket i Fruängen Aktiebolag CVR 5560588500 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Power and Heat AB CVR 5562215623 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Älvkraft i Värmland AB CVR 5562837376 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Datametrix Outsourcing AB CVR 5562902238 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Åkersberga Vision Aktiebolag CVR 5563263192 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Halmstads Kabelvision Aktiebolag CVR 5563806115 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Parteboda Kraft AB CVR 5563849131 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Indalskraft AB CVR 5564611688 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Interloop Holding AB CVR 5564680857 | OtherChief Auditor | Since 2019 | — | Dissolved |
| 3C Holding AB CVR 5564919503 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Pyrotech Data AB CVR 5564936382 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Service Öst AB CVR 5565347431 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Ljusnans Kraft AB CVR 5565355343 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Grontmij International Aktiebolag CVR 5565386173 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum Service AB CVR 5565471884 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Capacent Scandinavia AB CVR 5565531075 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Everyday Holding Aktiebolag CVR 5565797718 | OtherChief Auditor | Since 2019 | — | Dissolved |
| 4 T Solutions Holding Aktiebolag CVR 5565802690 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Optimal Telecom Holding Aktiebolag CVR 5565807855 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Datametrix BPO AB CVR 5565807871 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Tele2 Danmark Holding Aktiebolag CVR 5565808028 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Tele2 Norge Holding Aktiebolag CVR 5565808143 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Interloop St Pete Holding AB CVR 5566367362 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Tingcore AB CVR 5566751037 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Stora Enso NN Paper AB CVR 5567383558 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Headsent 101 Aktiebolag CVR 5567594972 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Fortum AMCO AB CVR 5567617187 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Headsent 102 Aktiebolag CVR 5567741011 | OtherChief Auditor | Since 2019 | — | Dissolved |
| Instoria MSPV 2 AB CVR 5569302580 | OtherChief Auditor | Since 2020 | — | Dissolved |
| Instoria MSPV 1 AB CVR 5569302614 | OtherChief Auditor | Since 2020 | — | Dissolved |
| De Paula Förvaltning AB CVR 5569965329 | BoardBoard of Directors | Since 2022 | — | Active |