| Kiinteistöosakeyhtiö Kouvolan Kauppalankatu 12 CVR 0160890-7 | OtherPerson with significant control | Since 2021 | — | Active |
| LTV Finland Oy CVR 0799742-1 | OtherPerson with significant control | Since 2024 | — | Active |
| Kiinteistö Oy WS Minimus CVR 1061801-5 | OtherConfidential Clerk | Since 2019 | — | Active |
| WestStar Oy CVR 2223699-7 | OtherConfidential Clerk | Since 2020 | — | Active |
| Suomen Takaaja Oy CVR 2370816-7 | OtherConfidential Clerk | Since 2022 | — | Active |
| WestStar Kiinteistöt Oy CVR 2589196-2 | OtherConfidential Clerk | Since 2021 | — | Active |
| Lahden Kuntohoito Oy CVR 2656987-9 | OtherConfidential Clerk | Since 2019 | — | Active |
| Velj. Wahlsten Oy CVR 2724567-3 | OtherPerson with significant control | Since 2022 | — | Active |
| WS Finance Oy CVR 2954832-8 | OtherConfidential Clerk | Since 2018 | — | Active |
| WS Arion Oy CVR 3010599-7 | OtherPerson with significant control | Since 2019 | — | Active |
| Kennel-Rehu Oy CVR 3205929-3 | OtherPerson with significant control | Since 2021 | — | Active |
| WS Tristis Oy CVR 3207079-1 | OtherPerson with significant control | Since 2021 | — | Active |
| Dieta Group Oy CVR 3207913-9 | OtherPerson with significant control | Since 2021 | — | Active |
| WS Orion Oy CVR 3423171-2 | OtherPerson with significant control | Since 2024 | — | Active |
| Jääleinikki Oy CVR 3434436-2 | OtherPerson with significant control | Since 2024 | — | Active |
| WS Vicrama Oy CVR 3440987-5 | OtherPerson with significant control | Since 2024 | — | Active |
| WS Aquilo Oy CVR 3440994-7 | OtherPerson with significant control | Since 2024 | — | Active |
| WS Helle Oy CVR 3534603-6 | OtherPerson with significant control | Since 2025 | — | Active |
