What is the Y-tunnus number of Siili One Oy?

Siili One Oy is registered with PRH / YTJ under Y-tunnus 2910186-8.

What is the revenue of Siili One Oy?

Siili One Oy reported revenue of 23,6 milj. € in 2025.

Siili One Oy employs 93 people as of the latest annual report.

Markku Juhani Savusalo chairs the board of Siili One Oy, in role since 2026.

Siili One Oy's registered address is Ruoholahdenkatu 21.

OYActive

Y-tunnus 2910186-8Ruoholahdenkatu 21, 00180 HelsinkiComputer programming activities· NACE 6210Est. 2018 · 8 years old93 employees

Actively employed in the business

Name	Role	Member since

Former (2)


TK Toni Kalervo Aaltonen Audit	Audit	2018 – 2019
LW Leenakaisa Winberg Audit	Audit	2019 – 2023

Non-executive oversight

Name	Role	Member since
Current (3)
TA Tuomas Allan Ilmari Toropainen Board of Directors	Board of Directors	2025
JJ Jaakko Joonatan Valdemar Aatola Board of Directors	Board of Directors	2026
MJ Markku Juhani Savusalo Chairperson	Chairperson	2026

Former (8)


TS Tiina Susanna Granström Board of Directors	Board of Directors	2018 – 2019
PT Pasi Tapio Ropponen Chairperson	Chairperson	2021 – 2022
KT Kari Tapani Pirttikangas

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Siili Solutions Oyj	Company	100%	100%	2023

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