| Asunto Oy Limingantie 80 CVR 0235246-4 | BoardChairperson | 2019 – 2022 | — | Active |
| Glaston Services Ltd. Oy CVR 0721303-3 | BoardChairperson | 2021 – 2023 | — | Active |
| Telko Oy CVR 0987137-1 | BoardBoard of Directors | 2018 – 2019 | — | Active |
| Uniglass Solutions Oy CVR 1052349-7 | BoardChairperson | 2021 – 2024 | — | Active |
| Glaston International Oy CVR 1110138-4 | BoardChairperson | 2021 – 2024 | — | Active |
| Glaston Finland Oy CVR 1110395-3 | ManagementChief Executive Officer | 2021 – 2023 | — | Active |
| Glaston Oyj Abp CVR 1651585-0 | ManagementChief Executive Officer | 2021 – 2023 | — | Active |
| Nordkalk Oy Ab CVR 1796277-5 | BoardBoard of Directors | 2019 – 2021 | — | Active |
| East Office of Finnish Industries Oy CVR 2186755-1 | BoardBoard of Directors | 2018 – 2021 | — | Active |
| Paroc Group Oy CVR 2302501-6 | ManagementChief Executive Officer | 2018 – 2021 | — | Active |
| Paroc Oy Ab CVR 2580556-9 | ManagementChief Executive Officer | 2018 – 2021 | — | Active |
| Flo Co Oy CVR 3364070-9 | OtherDeputy Member | 2023 – 2025 | — | Active |
