What is the Y-tunnus number of Ysako Oy?

Ysako Oy is registered with PRH / YTJ under Y-tunnus 1460091-2.

What is the revenue of Ysako Oy?

Ysako Oy reported revenue of EUR 1,7M in 2026.

Vesa Petri Vainio is the CEO of Ysako Oy, in role since 2025.

Ysako Oy's registered address is Koneistuskuja 1.

OYActive

Y-tunnus 1460091-2Koneistuskuja 1, 74120 IisalmiMachining of metals· NACE 2553Est. 1998 · 28 years old— employees

Actively employed in the business

Name	Role	Member since
Current (1)
VP Vesa Petri Vainio Chief Executive Officer	Chief Executive Officer	2025
Former (5)
KJ Kari Johannes Hyvönen Audit	Audit	2012 – 2023
EL Eeva Liisa Vainio Confidential Clerk	Confidential Clerk	2012 – 2021
AP Anssi Petteri Tikkanen Deputy auditor	Deputy auditor	2012 – 2023
TJ Tommi Johannes Lähteinen Chief Executive Officer	Chief Executive Officer	2014 – 2023
JP Juha Pekka Haverinen Chief Executive Officer	Chief Executive Officer	2023 – 2025

Non-executive oversight

Name	Role	Member since
Current (2)
MO Mika Olavi Airaksinen Board of Directors	Board of Directors	2015
AJ Anu Johanna Karhunen-Vainio Board of Directors	Board of Directors	2025

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Metallityö Vainio Oy	Company	100%	100%	2023

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