What is the Y-tunnus number of Reaktor Ecosystem Oy?

Reaktor Ecosystem Oy is registered with PRH / YTJ under Y-tunnus 3284718-5.

What is the revenue of Reaktor Ecosystem Oy?

Reaktor Ecosystem Oy reported revenue of 86,5 t. € in 2025.

Pekka Toni Rikhard Horo chairs the board of Reaktor Ecosystem Oy, in role since 2025.

Reaktor Ecosystem Oy's registered address is Yliopistonkatu 4.

OYActive

Y-tunnus 3284718-5Yliopistonkatu 4, 00100 HelsinkiComputer consultancy and computer facilities management activities· NACE 6220Est. 2022 · 4 years old— employees

Actively employed in the business

Name	Role	Member since
Current (2)
RJ Riikka Johanna Uimonen Person with significant control	Person with significant control	2024
HS Henri Samuli Savo Person with significant control	Person with significant control	2024

Former (3)


JT Juha Tapani Ilola Deputy Member	Deputy Member	2023 – 2023
HV Heikki Veikko Matias Härkönen Chief Executive Officer	Chief Executive Officer	2023 – 2024
JI Jaakko Ilkka Kosola Deputy Member	Deputy Member

Non-executive oversight

Name	Role	Member since
Current (4)
KK Kaisa Kerttu Emilia Latva Board of Directors	Board of Directors	2026
PT Pekka Toni Rikhard Horo Chairperson	Chairperson	2025
JI Jaakko Ilkka Kosola Board of Directors	Board of Directors	2025
JI Jouni Ilmari Hartikainen Board of Directors	Board of Directors	2025

Former (4)


JT Juha Tapani Ilola Board of Directors	Board of Directors	2023 – 2024
AK Antti Kalevi Mäkelä Board of Directors	Board of Directors	2023 – 2024
MH Mari Helena Heusala

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Reaktor Group Oyj	Company	100%	100%	2024

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