What is the Y-tunnus number of Pestone Yhtiöt Oy?

Pestone Yhtiöt Oy is registered with PRH / YTJ under Y-tunnus 2484822-5.

What is the revenue of Pestone Yhtiöt Oy?

Pestone Yhtiöt Oy reported revenue of 3,4 milj. € in 2025.

Pestone Yhtiöt Oy employs 29 people as of the latest annual report.

Otto Viljami Tarkiainen chairs the board of Pestone Yhtiöt Oy, in role since 2026.

Pestone Yhtiöt Oy's registered address is Ruoholahdenkatu 8.

OYActive

Y-tunnus 2484822-5Ruoholahdenkatu 8, 00180 HelsinkiCombined facilities support activities· NACE 8110Est. 2012 · 14 years old29 employeeswww.pestone.fi

Actively employed in the business

Name	Role	Member since
Current (2)
MA Mikko Antero Kivinen Confidential Clerk	Confidential Clerk	2023
MT Mikko Tuomas Jukkola Confidential Clerk	Confidential Clerk	2023

Former (3)


MM Margit Mänd Confidential Clerk	Confidential Clerk	2018 – 2026
SA Sami Aatos Kylmäniemi Chief Executive Officer	Chief Executive Officer	2012 – 2019
AM Antti Matias Niemi Confidential Clerk	Confidential Clerk

Non-executive oversight

Name	Role	Member since
Current (3)
JK Juha-Matti Kalevi Majuri Board of Directors	Board of Directors	2025
OV Otto Viljami Tarkiainen Chairperson	Chairperson	2026
AM Antti Matias Niemi Board of Directors	Board of Directors	2025

Former (8)


RA Risto Aarre Kyhälä Board of Directors	Board of Directors	2023 – 2025
JI Juuso Ilari Kivinen Chairperson	Chairperson	2023 – 2025
VF Vesel Fejzullahi

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Kiinteistöpalvelu Siiki Oy	Company	100%	100%	2024

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