Sosteam Oy

OYActive

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

Overview Financials People & ownership Related companies

Sosteam Oy is a Finnish OY based in Mäntyharju, operating in the Other residential care activities n.e.c. sector. Incorporated in 2023, the company has 16 employees and reported revenue of EUR 1,1M in its latest annual filing.

Revenue 2025

EUR 1,1M

+122% vs 2024

EBITDA margin

-0.5%

-121% vs 2024

Net profit 2025

EUR -32K

-686% vs 2024

Key ratios

See full ratios →

-14.4%

This company

20232025

0.7×

This company

20232025

-13.1%

This company

20232025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 1,1M	+122%
EBITDA	EUR -5K	-121%
Net profit	EUR -32K	-686%
Total assets	EUR 244K	+19%
Equity	EUR -35K	-981%
Employees	16	—

Contact

Address

Jonnilantie 680, 52700 Mäntyharju

Phone

+3580503789177

max@sosteam.fi

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Frequently asked questions

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 EUR 1,1M in 2025.

How many employees does Sosteam Oy have?

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

Who is the chairman of Sosteam Oy?

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

Where is Sosteam Oy headquartered?

Sosteam Oy's registered address is Jonnilantie 680.

Sosteam Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sosteam Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sosteam Oy