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| Bolton Real Estate Oy CVR 2456393-2 | ManagementChief Executive Officer | Since 2012 | — | Active |
| Platinum Asunnot Oy CVR 2523929-6 | BoardChairperson | Since 2019 | — | Active |
| Saarenkettu Oy CVR 2636006-3 | BoardChairperson | Since 2014 | — | Active |
| Weston Group Oy CVR 2692304-9 | BoardChairperson | Since 2021 | — | Active |
| Weston Sähkö Oy CVR 2784957-3 | BoardBoard of Directors | Since 2016 | — | Active |
| Elämäni Weston Koti JV Oy CVR 3089463-1 | ManagementChief Executive Officer | Since 2019 | — | Active |
| Weston Talotekniikka Oy CVR 3323285-2 | BoardChairperson | Since 2023 | — | Active |
| Weston Holding Oy CVR 3348068-8 | BoardChairperson | Since 2023 | — | Active |
| Toi & We Oy CVR 3359969-7 | BoardBoard of Directors | Since 2023 | — | Active |
| Toi & We Asunnot Oy CVR 3359978-5 | BoardBoard of Directors | Since 2023 | — | Active |
| As Oy Helsingin Oulunkylän Runoilija CVR 3365324-3 | ManagementManagement | Since 2023 | — | Active |
| As Oy North Bank Residences Helsinki CVR 3452565-7 | BoardChairperson | Since 2024 | — | Active |
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| As Oy Stadin Ankkuri, Helsinki CVR 3622678-1 | BoardChairperson | Since 2026 | — | Active |
| Asunto Oy Verkkosaaren Poiju, Helsinki CVR 3624917-4 | BoardChairperson | Since 2026 | — | Active |