Mihkel Siinmaa

Equity holdings (2)

Companies in which this person holds a stake.

• S5 Invest OÜ28.00%

  Osaühing164223580 €since 2025-11-05
• Interface OÜ20.00%

  Osaühing144383840 €since 2023-09-01

Active roles (1)

• S5 Invest OÜ — Juhatuse liige (since 2022-01-14)

Co-directors (1)

People who currently serve on the same boards. Sorted by number of shared companies.

• Paula Siinmaa1 shared companyS5 Invest OÜ

Co-investors (3)

People who hold equity in the same companies. Sorted by number of shared stakes.

• Kai Siinmaa2 shared companiesInterface OÜ · S5 Invest OÜ
• Paula Siinmaa2 shared companiesInterface OÜ · S5 Invest OÜ
• Andres Siinmaa1 shared companyS5 Invest OÜ

Data sources

• Estonian Business Register (RIK)updated daily