| Marinvest Rederi AB CVR 5560260613 | BoardBoard of Directors | Since 2022 | — | Active |
| Mariteam Alfa AB CVR 5561916015 | BoardDeputy Board Member | Since 2019 | — | Dissolved |
| Marininvest GBG AB CVR 5562158310 | BoardBoard of Directors | Since 2022 | — | Active |
| Marinvest & Partners Aktiebolag CVR 5563353779 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Marinvest Securities Aktiebolag CVR 5564261302 | BoardBoard of Directors | Since 2022 | — | Active |
| Marinvest Lorensberg AB CVR 5566720313 | BoardBoard of Directors | Since 2019 | — | Dissolved |
| Marinvest Fjällbacka AB CVR 5567330898 | BoardBoard of Directors | Since 2022 | — | Active |
| Petrina Holding AB CVR 5567495998 | BoardDeputy Board Member | Since 2019 | — | Dissolved |
| Mevia AB CVR 5569569964 | BoardBoard of Directors | Since 2022 | — | Active |
| INCIPIENTUS ULTRASOUND FLOW TECHNOLOGIES AB CVR 5591261002 | BoardBoard of Directors | Since 2023 | — | Active |
| Tricylon Robotics AB CVR 5591969778 | BoardBoard of Directors | Since 2022 | — | Active |
| Marinvest Holding AB CVR 5592181811 | BoardBoard of Directors | Since 2022 | — | Active |
| Inside innovation Scandinavia AB CVR 5593520629 | BoardDeputy Board Member | Since 2025 | — | Active |
| Fender Capital AB CVR 5594509910 | BoardDeputy Board Member | Since 2023 | — | Active |
| Golfbanevägens Bostadsrättsförening CVR 7696289375 | BoardBoard of Directors | Since 2025 | — | Active |