| Svenska Kommun Försäkrings AB CVR 5164060039 | OtherOther Auditor | 2023 – 2024 | — | Active |
| Kraftstaden Fastigheter Trollhättan AB CVR 5560088535 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Trollhättan Energi Aktiebolag CVR 5561946921 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Trollhättan Stadshus AB CVR 5562074699 | OtherOther Auditor | 2022 – 2024 | — | Active |
| Fyrstads Flygplats Aktiebolag CVR 5562344373 | OtherOther Auditor | 2023 – 2024 | — | Active |
| Innovatum Portfolio AB CVR 5565461992 | OtherOther Auditor | 2022 – 2023 | — | Dissolved |
| Innovatum AB CVR 5565462008 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Innovatum Science Center AB CVR 5565567301 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Trollhättan Energi Elnät Aktiebolag CVR 5566860879 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Trollhättan Industrispår AB CVR 5567506455 | OtherOther Auditor | 2022 – 2024 | — | Active |
| Innovatum Progress AB CVR 5568876592 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Grönt Bränsle i Sverige AB CVR 5591125405 | OtherOther Auditor | 2020 – 2023 | — | Dissolved |
| Wargön Innovation AB CVR 5592125917 | OtherOther Auditor | 2022 – 2023 | — | Active |
| Lunden Ekonomisk förening CVR 7696010706 | BoardBoard of Directors | 2022 – 2024 | — | Active |
