| Sjömarkens Isolering Aktiebolag CVR 5562381839 | BoardBoard of Directors | Since 2020 | — | Active |
| NAJCEB Förvaltnings i Stockholm Aktiebolag CVR 5562702588 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Hjärntrusten i Stockholm Aktiebolag CVR 5563395655 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Jan Roy Konsult Aktiebolag CVR 5563696458 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| UP3 Företagsutveckling Aktiebolag CVR 5563913002 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Furuvik Fastigheter AB CVR 5564089943 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Gröna Lunds Fastighetsaktiebolag CVR 5564240306 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Warmfiber Isolering AB CVR 5564703386 | BoardBoard of Directors | Since 2022 | — | Active |
| JA Fritid Aktiebolag CVR 5564882511 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Vildmarkshotellet Kolmården Holding AB CVR 5565958450 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Sjömarkens Förvaltning AB CVR 5566808100 | BoardBoard of Directors | Since 2022 | — | Active |
| Kairos Future International AB CVR 5566981568 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Loö konsult AB CVR 5568431570 | BoardBoard of Directors | Since 2022 | — | Active |
| Sjömarkensgruppen AB CVR 5569589947 | BoardBoard of Directors | Since 2022 | — | Active |
| Sjömarkens Isolering i Stockholm AB CVR 5592923659 | BoardBoard of Directors | Since 2022 | — | Active |
