J-Kos Oy

OYActive

Y-tunnus 1110673-2Rantakatu 3A-35, 04400 JärvenpääComputer programming activities · NACE 6210Est. 1997— employeeswww.j-kos.fi

Overview Financials People & ownership Related companies

J-Kos Oy is a Finnish OY based in Järvenpää, operating in the Computer programming activities sector. Incorporated in 1997, the company reported revenue of EUR 258K in its latest annual filing.

Revenue 2025

EUR 258K

+3% vs 2024

EBITDA margin

37.6%

+61% vs 2024

Equity ratio

96.8%

Financial strength

Net profit 2025

EUR 104K

+170% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 258K	+3%
EBITDA	EUR 97K	+61%
Net profit	EUR 104K	+170%
Total assets	EUR 1M	—
Equity	EUR 1M	+2%
Employees	—	—

Contact

Address

Rantakatu 3A-35, 04400 Järvenpää

Phone

+358505563303

jari.koskinen@j-kos.fi

Website

www.j-kos.fi

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Frequently asked questions

What is the Y-tunnus number of J-Kos Oy?

J-Kos Oy is registered with PRH / YTJ under Y-tunnus 1110673-2.

What is the revenue of J-Kos Oy?

J-Kos Oy reported revenue of EUR 258K in 2025.

Who is the CEO of J-Kos Oy?

Reino Matti Välimäki is Deputy Member of J-Kos Oy, in role since 1997.

Where is J-Kos Oy headquartered?

J-Kos Oy's registered address is Rantakatu 3-A5.

J-Kos Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on J-Kos Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on J-Kos Oy