| Polykemi Aktiebolag CVR 5561143461 | BoardBoard of Directors | Since 2022 | — | Active |
| Polykemi Holding AB CVR 5566225065 | BoardBoard of Directors | Since 2022 | — | Active |
| Torbjörn Wistrand AB CVR 5566407697 | BoardDeputy Board Member | Since 2020 | — | Active |
| Autoseum AB CVR 5567446595 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Frisk på Österlen AB CVR 5567718613 | BoardBoard of Directors | Since 2021 | — | Active |
| Frisk Drift AB CVR 5567939607 | BoardBoard of Directors | Since 2021 | — | Active |
| Frisk Österlenkirurgin AB CVR 5568388267 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Fröfastigheten AB CVR 5568588858 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Wistrand Golf AB CVR 5590847470 | BoardDeputy Board Member | Since 2020 | — | Active |
| Österlens Ögonklinik AB CVR 5591000335 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Wistrand Innovation AB CVR 5592234198 | BoardBoard of Directors | Since 2022 | — | Active |
| KWIMA Konsult AB CVR 5592249022 | BoardDeputy Board Member | Since 2026 | — | Active |
| Mattias Förvaltning i Simrishamn AB CVR 5592252323 | BoardDeputy Board Member | Since 2026 | — | Active |
| Nya Wistrand AB CVR 5593057309 | BoardDeputy Board Member | Since 2022 | — | Active |
| A & A Wistrand Holding AB CVR 5593178501 | BoardDeputy Board Member | Since 2022 | — | Active |