| Sjöman Helsingin Nosturit Oy CVR 0410387-5 | ManagementChief Executive Officer | Since 1995 | — | Active |
| Kiinteistö Oy Helsingin Tullikirjurinkuja 2 CVR 0749226-3 | BoardBoard of Directors | Since 2012 | — | Active |
| Kiinteistö Oy Tullikirjurinkuja 6 CVR 0820825-2 | BoardChairperson | Since 2019 | — | Dissolved |
| Kiinteistö Oy Helsingin Valimo CVR 0977184-8 | ManagementChief Executive Officer | Since 2016 | — | Dissolved |
| Kiinteistö Oy Helsingin Tapulikaupungintie 8 CVR 1060800-1 | ManagementChief Executive Officer | Since 2005 | — | Active |
| Kuljetusliike Jouni Meling Oy CVR 1480763-0 | ManagementChief Executive Officer | Since 2016 | — | Active |
| Asunto Oy Lopen Läyliäisten Valkoinen Talo CVR 1955336-9 | BoardChairperson | Since 2008 | — | Active |
| Kiinteistö Oy Kotkan Kurjenpesä CVR 2125471-2 | BoardChairperson | Since 2007 | — | Active |
| Kiinteistö Oy Lopen Karkkilantie 7 CVR 2145515-1 | BoardChairperson | Since 2007 | — | Active |
| Sjöman Kiinteistöt Holding Oy CVR 3006111-1 | ManagementChief Executive Officer | Since 2019 | — | Active |
| Jannes Sjöstugor Oy CVR 3085933-4 | ManagementChief Executive Officer | Since 2020 | — | Active |
