What is the Y-tunnus number of Semko Oy?

Semko Oy is registered with PRH / YTJ under Y-tunnus 0989910-4.

What is the revenue of Semko Oy?

Semko Oy reported revenue of EUR 7,4M in 2025.

Semko Oy employs 31 people as of the latest annual report.

Mikko Antero Yliselä is the CEO of Semko Oy, in role since 2014.

Petri Kalevi Koivunen chairs the board of Semko Oy, in role since 2025.

Semko Oy's registered address is Tehtaantie 8.

OYActive

Y-tunnus 0989910-4Tehtaantie 8, 60100 SeinäjokiManufacture of metal structures and parts of structures· NACE 2511Est. 1995 · 31 years old31 employees

Actively employed in the business

Name	Role	Member since
Current (2)
MS Mikko-Petri Sillanpää Audit	Audit	2023
MA Mikko Antero Yliselä Chief Executive Officer	Chief Executive Officer	2014
Former (2)
JA Jouko Aulis Metsä-Ketelä Audit	Audit	2009 – 2023
JV Juha Vilho Jalmari Ilander Deputy Member	Deputy Member	2017 – 2025

Non-executive oversight

Name	Role	Member since
Current (2)
PK Petri Kalevi Koivunen Chairperson	Chairperson	2025
SS Sami-Petri Saarinen Board of Directors	Board of Directors	2017
Former (2)
JE Jaakko Eerik Laiho Board of Directors	Board of Directors	2017 – 2026
TT Timo Torsti Kalevi Saarinen Chairperson	Chairperson	2017 – 2025

As of last annual report

No shareholder data available.

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