What is the Y-tunnus number of Maasto-Seppo Oy?

Maasto-Seppo Oy is registered with PRH / YTJ under Y-tunnus 0905837-2.

What is the revenue of Maasto-Seppo Oy?

Maasto-Seppo Oy reported revenue of 1,4 milj. € in 2025.

Maasto-Seppo Oy employs 3 people as of the latest annual report.

Seppo Einari Karjalainen is the CEO of Maasto-Seppo Oy, in role since 1997.

Seppo Einari Karjalainen chairs the board of Maasto-Seppo Oy, in role since 2004.

Maasto-Seppo Oy's registered address is Heikinniementie 37.

OYActive

Y-tunnus 0905837-2Heikinniementie 37, 90650 OuluConstruction of utility projects for electricity and telecommunications· NACE 4222Est. 1992 · 34 years old3 employees

Actively employed in the business

Name	Role	Member since
Current (1)
SE Seppo Einari Karjalainen Chief Executive Officer	Chief Executive Officer	1997

Former (3)


MJ Milla Johanna Karjalainen Audit	Audit	2022 – 2023
RJ Risto Juhani Hyvönen Audit	Audit	2008 – 2022
KJ Kari Juhani Spårman Deputy auditor	Deputy auditor	2008 – 2022

Non-executive oversight

Name	Role	Member since
Current (3)
PL Pirkko Liisa Hyvärinen Board of Directors	Board of Directors	2004
SE Seppo Einari Karjalainen Chairperson	Chairperson	2004
AR Annaleena Räsänen Board of Directors	Board of Directors	2004

As of last annual report

No shareholder data available.

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