What is the Y-tunnus number of Stera Technologies Oy?

Stera Technologies Oy is registered with PRH / YTJ under Y-tunnus 0799824-8.

What is the revenue of Stera Technologies Oy?

Stera Technologies Oy reported revenue of EUR 108,7M in 2025.

Mikko Sakari Uusi-Heikkilä is Confidential Clerk of Stera Technologies Oy, in role since 2018.

Jukka Tapani Rinnevaara chairs the board of Stera Technologies Oy, in role since 2024.

Stera Technologies Oy's registered address is Patenttikatu 1.

OYActive

Y-tunnus 0799824-8Patenttikatu 1, 21100 NaantaliManufacture of metal structures and parts of structures · NACE 2511Est. 1990— employees

Actively employed in the business

Name	Role	Member since
Current (7)
MS Mikko Sakari Uusi-Heikkilä Confidential Clerk	Confidential Clerk	2018
JO Jussimatti Ohlsson Chief Executive Officer	Chief Executive Officer	2018
JT Jari Tapani Leppälahti Confidential Clerk	Confidential Clerk	2018
TH Tuija Hannele Tomberg Confidential Clerk	Confidential Clerk	2018
MP Mikko Petteri Leidén Confidential Clerk	Confidential Clerk	2018
JT Jari Tuomas Samuli Isotalo Confidential Clerk	Confidential Clerk	2018
MA Mira Annukka Salorinta Confidential Clerk	Confidential Clerk	2018
Former (4)
TS Tuomo Sakari Korte Audit	Audit	2019 – 2022
JJ Jyri Johannes Kontio Confidential Clerk	Confidential Clerk	2018 – 2020
PK Petri Knut Mikael Palmroth Audit	Audit	2015 – 2019
NV Niklas Vilhelm Oikia Audit	Audit	2022 – 2023

Non-executive oversight

Name	Role	Member since
Current (6)
JT Jukka Tapani Rinnevaara	Chairperson	2024
AT Arvo Timo Juhani Ketonen	Board of Directors	2020
OT Olli Tapio Manner	Board of Directors	2025
LJ Lauri Johannes Järvinen	Board of Directors	2026
JT Juha Tapio Heinämäki	Board of Directors	2014
JT Jarkko Tapio Vähä-Tahlo	Board of Directors	2014
Former (4)
TJ Taisto Johannes Heinämäki	Board of Directors	2014 – 2020
KT Kari Tapani Ruusunen	Chairperson	2014 – 2024
HT Harri Tapani Myllylä	Board of Directors	2014 – 2020
ME Matti Erik Hihnala	Board of Directors	2014 – 2026

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Stera Group Oy	Company	100%	100%	2023

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