| Polar-Venture Oy CVR 0692480-2 | BoardChairperson | Since 2025 | — | Active |
| Lomaneloset Oy CVR 0718672-5 | BoardChairperson | Since 2010 | — | Active |
| Astrum International Oy Ltd CVR 0810115-6 | ManagementChief Executive Officer | Since 2001 | — | Active |
| Kiinteistö Oy Levihovi 2 CVR 1621332-6 | ManagementChief Executive Officer | Since 2000 | — | Active |
| Levin Golfhovi Oy CVR 2089496-1 | BoardBoard of Directors | Since 2007 | — | Active |
| Paltamon Golfhovi Oy CVR 2089505-9 | ManagementChief Executive Officer | Since 2007 | — | Active |
| Polar Charm Oy CVR 2095308-7 | BoardChairperson | Since 2009 | — | Active |
| Levihovi 6 Oy CVR 2589442-6 | BoardChairperson | Since 2021 | — | Active |
| WS Wellness Fund Ky CVR 2604811-7 | OtherSilent partner | Since 2015 | — | Active |
| WS Cleantech Motor Fund Ky CVR 2692427-9 | OtherSilent partner | Since 2015 | — | Active |
| WS Better Life Fund Ky CVR 2712342-2 | OtherSilent partner | Since 2016 | — | Active |
| WS Digital Media Fund Ky CVR 2723559-8 | OtherSilent partner | Since 2016 | — | Active |