What is the Y-tunnus number of Simsotec Oy?

Simsotec Oy is registered with PRH / YTJ under Y-tunnus 1795219-8.

What is the revenue of Simsotec Oy?

Simsotec Oy reported revenue of EUR 2,8M in 2025.

Iiro-Matti Rinne is the CEO of Simsotec Oy, in role since 2019.

Jouko Walter Salo chairs the board of Simsotec Oy, in role since 2018.

Simsotec Oy's registered address is Sinkokatu 11.

OYActive

Y-tunnus 1795219-8Sinkokatu 11, 26100 RaumaEngineering activities and related technical consultancy· NACE 7112Est. 2002 · 23 years old— employeeswww.simsotec.fi

Actively employed in the business

Name	Role	Member since
Current (1)
IR Iiro-Matti Rinne Chief Executive Officer	Chief Executive Officer	2019
Former (3)
OA Osmo Antero Valovirta Audit	Audit	2013 – 2023
TE Tauno Ensio Kauppi Chief Executive Officer	Chief Executive Officer	2015 – 2019
PE Panu Eerik Helamaa Confidential Clerk	Confidential Clerk	2017 – 2019

Non-executive oversight

Name	Role	Member since
Current (3)
JS Jouni Sakari Salo Board of Directors	Board of Directors	2019
JW Jouko Walter Salo Chairperson	Chairperson	2018
JS Jonna Susanna Kallioniemi Board of Directors	Board of Directors	2019
Former (1)
ST Seppo Tapio Lusenius Board of Directors	Board of Directors	2018 – 2019

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Hollming Oy	Company	100%	100%	2024

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