What is the Y-tunnus number of Atostek Oy?

Atostek Oy is registered with PRH / YTJ under Y-tunnus 1571997-4.

What is the revenue of Atostek Oy?

Atostek Oy reported revenue of 13,9 milj. € in 2025.

Tuomas Tapani Fjällström is the CEO of Atostek Oy, in role since 2024.

Mika Juhani Torhola chairs the board of Atostek Oy, in role since 2024.

Atostek Oy's registered address is Hermiankatu 3-A.

OYActive

Y-tunnus 1571997-4Hermiankatu 3A, 33720 TampereComputer programming activities· NACE 6210Est. 2000 · 26 years old— employees

Actively employed in the business

Name	Role	Member since
Current (4)
TP Tomi Pekka Samuli Javanainen Confidential Clerk	Confidential Clerk	2022
AI Annamari Iida Lehtinen Confidential Clerk	Confidential Clerk	2024
MV Miika Valtteri Parvio Confidential Clerk	Confidential Clerk	2022
TT Tuomas Tapani Fjällström Chief Executive Officer	Chief Executive Officer	2024

Former (2)


AR Anna-Mari Riihimäki Audit	Audit	2018 – 2023
MJ Mika Juhani Torhola Chief Executive Officer	Chief Executive Officer	2013 – 2024

Non-executive oversight

Name	Role	Member since
Current (3)
MJ Mika Juhani Torhola Chairperson	Chairperson	2024
JT Jarkko Tapio Niittylahti Board of Directors	Board of Directors	2024
LK Leena Kaisa Elviira Eskola Board of Directors	Board of Directors	2013

Former (1)


MK Mikko Kalle Antero Kiertonen Board of Directors	Board of Directors	2013 – 2013

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Atostek Invest Oy	Company	73.2%	73.2%	2024

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