Isoharja Oy

OYActive

Y-tunnus 3162171-5Vetokuja 4A, 01610 VantaaOther building completion and finishing· NACE 4335Est. 2020 · 5 years old— employeeswww.isoharja.fi

Overview Financials People & ownership Related companies

Isoharja Oy is a Finnish OY based in Vantaa, operating in the Other building completion and finishing sector. Incorporated in 2020, the company reported revenue of EUR 1,8M in its latest annual filing.

Revenue 2025

EUR 1,8M

+9% vs 2024

EBITDA margin

2.6%

-75% vs 2024

Net profit 2025

EUR 9K

-94% vs 2024

Key ratios

See full ratios →

0.7%

This company

20212025

0.9×

This company

20212025

7.0%

This company

20212025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 1,8M	+9%
EBITDA	EUR 45K	-75%
Net profit	EUR 9K	-94%
Total assets	EUR 127K	-2%
Equity	EUR 892	-65%
Employees	—	—

Contact

Address

Vetokuja 4A, 01610 Vantaa

Phone

+3580449777712

hello@isoharja.fi

Website

www.isoharja.fi

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Frequently asked questions

What is the Y-tunnus number of Isoharja Oy?

Isoharja Oy is registered with PRH / YTJ under Y-tunnus 3162171-5.

What is the revenue of Isoharja Oy?

Isoharja Oy reported revenue of EUR 1,8M in 2025.

Who is the chairman of Isoharja Oy?

Jukka Tapani Koski chairs the board of Isoharja Oy, in role since 2022.

Where is Isoharja Oy headquartered?

Isoharja Oy's registered address is Vetokuja 4-A.

Isoharja Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Isoharja Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Isoharja Oy