| Kiinteistö Oy Itälahdenkatu 15-17 CVR 0110898-8 | BoardBoard of Directors | Since 2020 | — | Active |
| Kiinteistö Oy Lauttateva CVR 0495108-1 | ManagementChief Executive Officer | Since 2019 | — | Active |
| Kiinteistö Oy Itälahdenkatu 20 CVR 0586820-4 | BoardBoard of Directors | Since 2017 | — | Active |
| Kiinteistö Oy Espoon Louhenkulma CVR 0625247-9 | ManagementChief Executive Officer | Since 2023 | — | Active |
| Kiinteistö Oy Itälahdenkatu 22 A CVR 0641329-5 | BoardBoard of Directors | Since 2020 | — | Active |
| Kiinteistö Oy Melkonkatu 26 CVR 0702092-8 | ManagementChief Executive Officer | Since 2016 | — | Active |
| Kiinteistö Oy Itälahdenkatu 22 CVR 1546002-6 | BoardBoard of Directors | Since 2017 | — | Dissolved |
| JMB Kiinteistöt Oy CVR 2073193-5 | ManagementChief Executive Officer | Since 2006 | — | Active |
| Kiinteistö Oy Helsingin Paciuksenkatu 29 CVR 2177890-3 | BoardBoard of Directors | Since 2026 | — | Active |
| Töölönkatu 28 Holding Oy CVR 2591927-5 | ManagementChief Executive Officer | Since 2014 | — | Active |
| BH Partners Oy CVR 2720958-4 | BoardBoard of Directors | Since 2016 | — | Active |
| BL Holding Oy CVR 2773628-8 | ManagementChief Executive Officer | Since 2016 | — | Active |
| JMB IL22B Oy CVR 2773631-7 | ManagementChief Executive Officer | Since 2016 | — | Active |
| Restitutor Oy CVR 2903576-8 | OtherLiquidator | Since 2026 | — | Active |
| JMB IL15 Oy CVR 2915712-4 | BoardBoard of Directors | Since 2020 | — | Active |
| JMB IL18 Oy CVR 2915715-9 | ManagementChief Executive Officer | Since 2020 | — | Active |
| Jaktstugan Tynglax Oy CVR 2970308-4 | ManagementChief Executive Officer | Since 2020 | — | Active |
| Asunto Oy Helsingin Kuulas CVR 3271956-2 | BoardChairperson | Since 2022 | — | Active |
| Kiinteistö Oy Helsingin Itälahdenkatu 22B CVR 3271959-7 | BoardBoard of Directors | Since 2022 | — | Dissolved |
| DK Holding Oy CVR 3297066-9 | OtherDeputy Member | Since 2022 | — | Active |
