What is the Y-tunnus number of Sosteam Oy?

Sosteam Oy is registered with PRH / YTJ under Y-tunnus 3366064-6.

What is the revenue of Sosteam Oy?

Sosteam Oy reported revenue of 1,1 milj. € in 2025.

Sosteam Oy employs 16 people as of the latest annual report.

Max Mauritz Stjernberg chairs the board of Sosteam Oy, in role since 2025.

Sosteam Oy's registered address is Jonnilantie 680.

OYActive

Y-tunnus 3366064-6Jonnilantie 680, 52700 MäntyharjuOther residential care activities n.e.c.· NACE 8799Est. 2023 · 3 years old16 employees

Actively employed in the business

Name	Role	Member since
Current (4)
JJ Jonna Janica Stjernberg Deputy Member	Deputy Member	2025
MM Max Mauritz Stjernberg Person with significant control	Person with significant control	2023
JP Janne Petteri Virtanen Deputy auditor	Deputy auditor	2026
KK Karita Karoliina Ahvonen Audit	Audit	2026

Former (2)


MT Miikka Tapio Kristian Halkola Deputy Member	Deputy Member	2023 – 2023
PT Pasi Tapio Leskinen Person with significant control	Person with significant control	2023 – 2025

Non-executive oversight

Name	Role	Member since
Current (2)
MM Max Mauritz Stjernberg Chairperson	Chairperson	2025
MI Mikko Ilari Rantalainen Board of Directors	Board of Directors	2025

Former (1)


PT Pasi Tapio Leskinen Board of Directors	Board of Directors	2024 – 2025

As of last annual report

No shareholder data available.

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