| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Kiinteistö Oy Kellokosken Tehtaat CVR 0346354-5 | BoardBoard of Directors | Since 2024 | — | Active |
| ISTO Kaakkois-Suomi Oy CVR 0826511-8 | BoardBoard of Directors | Since 2020 | — | Dissolved |
| Asunto Oy Imatran Poutakuja 5 CVR 0884167-2 | BoardBoard of Directors | Since 2024 | — | Active |
| ISTO Group Oy CVR 2157160-3 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Asunto Oy Lappeenrannan Vilajoentie 4 CVR 2645710-5 | BoardChairperson | Since 2022 | — | Active |
| Partinen invest Oy CVR 2846017-2 | BoardBoard of Directors | Since 2017 | — | Active |
| Rakuuna Group Oy CVR 3128180-2 | BoardChairperson | Since 2020 | — | Active |
| Asunto Oy Lappeenrannan Sairaalanmäki CVR 3181475-2 | BoardChairperson | Since 2023 | — | Active |
| Asunto Oy Lappeenrannan Ahomansikka CVR 3272558-3 | BoardBoard of Directors | Since 2022 | — | Active |
| Nipsu Invest Oy CVR 3314520-6 | BoardChairperson | Since 2022 | — | Active |
| Asunto Oy Lappeenrannan Tavitie 6-8 CVR 3361839-2 | BoardBoard of Directors | Since 2023 | — | Active |
| As Oy Lappeenrannan Tiasenpesä CVR 3361841-3 | BoardBoard of Directors | Since 2023 | — | Active |
| SijoitusISTO Oy CVR 3460071-7 | BoardChairperson | Since 2024 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Asunto Oy Koulukara CVR 0162335-7 | BoardChairperson | 2024 – 2025 | — | Active |
| Asunto-osakeyhtiö Lentäjäntie 10-14 CVR 0220671-5 | BoardBoard of Directors | 2018 – 2022 | — | Active |
| Asunto Oy Osmontorni CVR 0220688-9 | OtherDeputy Member | 2018 – 2024 | — | Active |
| Asunto Oy Lappeenrannan Yrjönkatu 11 CVR 0310247-5 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| ISTO Group Oy CVR 0864416-9 | BoardBoard of Directors | 2022 – 2023 | — | Dissolved |
| Asunto Oy Lappeenrannan Sonaatti CVR 2465679-2 | BoardChairperson | 2018 – 2025 | — | Active |
| Asunto Oy Lappeenrannan Kahilanniemi CVR 2860847-2 | BoardChairperson | 2019 – 2022 | — | Active |
| As Oy Lappeenrannan Nuijamaan Helmi CVR 3131105-5 | BoardBoard of Directors | 2020 – 2025 | — | Active |
| Imatran Insinööriniementien vesiosuuskunta CVR 3407384-9 | ManagementChief Executive Officer | 2024 – 2024 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Audit | 3companies | View profile | |
| Deputy auditor | 3companies | View profile | |
| Deputy auditor | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Management | 1company | View profile |