What is the Y-tunnus number of STIO Oy Helsinki?

STIO Oy Helsinki is registered with PRH / YTJ under Y-tunnus 3216762-2.

What is the revenue of STIO Oy Helsinki?

STIO Oy Helsinki reported revenue of 2,1 milj. € in 2024.

STIO Oy Helsinki employs 19 people as of the latest annual report.

Joni Johannes Hänninen is the CEO of STIO Oy Helsinki.

Krister Jarmo Kristian Ilvonen chairs the board of STIO Oy Helsinki, in role since 2024.

STIO Oy Helsinki's registered address is Kalliosolantie 2.

OYDissolved

Y-tunnus 3216762-2Kalliosolantie 2, 01740 VantaaEngineering activities and related technical consultancy· NACE 7112Est. 2021 · 5 years old19 employeeswww.stio.fi

Actively employed in the business

Name	Role	Member since
Current (1)
JJ Joni Johannes Hänninen Chief Executive Officer	Chief Executive Officer	2021

Former (5)


AC André Chistopher Sebastian Engström Audit	Audit	2022 – 2023
PC Pasi Christian Klemetti Audit	Audit	2021 – 2022
AP Antti Pekka Johannes Nurmonen Deputy auditor	Deputy auditor	2021 – 2022
JS Janne Santeri Sinisalo Deputy Chief Executive Officer	Deputy Chief Executive Officer	2021 – 2022
KJ Krister Jarmo Kristian Ilvonen Deputy Member	Deputy Member	2022 – 2024

Non-executive oversight

Name	Role	Member since
Current (2)
PI Perttu Ilmari Meldo Board of Directors	Board of Directors	2024
KJ Krister Jarmo Kristian Ilvonen Chairperson	Chairperson	2024

Former (1)


JJ Joni Johannes Hänninen Board of Directors	Board of Directors	2021 – 2024

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Suomen Tekninen Isännöinti Oy	Company	100%	100%	2024

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