What is the Y-tunnus number of Insinööritoimisto Palosaari Oy?

Insinööritoimisto Palosaari Oy is registered with PRH / YTJ under Y-tunnus 0928667-4.

What is the revenue of Insinööritoimisto Palosaari Oy?

Insinööritoimisto Palosaari Oy reported revenue of EUR 237K in 2025.

Insinööritoimisto Palosaari Oy employs 2 people as of the latest annual report.

Tapio Johannes Raappana is Audit of Insinööritoimisto Palosaari Oy, in role since 2019.

Per Wiking Sjöstrand chairs the board of Insinööritoimisto Palosaari Oy, in role since 2020.

Insinööritoimisto Palosaari Oy's registered address is Rautatienkatu 86.

OYActive

Y-tunnus 0928667-4Rautatienkatu 86, 90400 OuluEngineering activities and related technical consultancy · NACE 7112Est. 19932 employeeswww.inststopalosaari.fi

Actively employed in the business

Name	Role	Member since
Current (1)
JT Janne Tapani Yliriesto Chief Executive Officer	Chief Executive Officer	2018
Former (5)
TJ Tapio Johannes Raappana Audit	Audit	2019 – 2020
LE Lauri Erkki Mikael Melartin Audit	Audit	2022 – 2023
LM Lauri Matias Palosaari Person with significant control	Person with significant control	2016 – 2020
MT Marie Therese Haldin-Holmström Audit	Audit	2020 – 2022
HR Heidi Riikka Hannele Hyry Deputy auditor	Deputy auditor	2019 – 2020

Non-executive oversight

Name	Role	Member since
Current (3)
JA Jukka Antti Tapani Viitasaari	Board of Directors	2016
JO Jukka-Pekka Olavi Kujala	Chairperson	2025
AJ Anssi Juhani Laaksonen	Board of Directors	2025
Former (6)
PT Pekka Tapani Järvinen	Board of Directors	2020 – 2022
TM Tero Mikael Viinikka	Board of Directors	2022 – 2025
PW Per Wiking Sjöstrand	Chairperson	2020 – 2022
JT Jukka Tapio Myllylä	Board of Directors	2020 – 2022
SP Sami Petri Vanhamäki	Chairperson	2022 – 2025
RK Robin Karl Henrik Boheman	Board of Directors	2020 – 2022

As of last annual report

Shareholder	Type	Ownership	Votes	Since
SÄHKÖ-ARKTIA OY	Company	100%	100%	2023

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