What is the Y-tunnus number of Kemion Oy?

Kemion Oy is registered with PRH / YTJ under Y-tunnus 2557797-3.

What is the revenue of Kemion Oy?

Kemion Oy reported revenue of 2,4 milj. € in 2025.

Seppo Sergei Hynnä is the CEO of Kemion Oy, in role since 2024.

Kemion Oy's registered address is Aurinkokuja 5-B.

OYActive

Y-tunnus 2557797-3Aurinkokuja 5B, 33420 TampereEngineering activities and related technical consultancy· NACE 7112Est. 2013 · 13 years old— employeeswww.kemion.fi

Actively employed in the business

Name	Role	Member since
Current (3)
JO Janne Olavi Rossi Deputy auditor	Deputy auditor	2024
KM Kalle Martti Juhani Laine Audit	Audit	2024
SS Seppo Sergei Hynnä Chief Executive Officer	Chief Executive Officer	2024

Former (4)


VT Veikko Tuomas Terho Deputy auditor	Deputy auditor	2022 – 2024
TA Timo Antero Nissinen Chief Executive Officer	Chief Executive Officer	2013 – 2024
MJ Miikka Juhani Salonen

Non-executive oversight

Name	Role	Member since
Current (1)
EM Ernestas Mitkus Board of Directors	Board of Directors	2026

Former (2)


MO Mikko Olavi Teittinen Board of Directors	Board of Directors	2024 – 2026
TA Timo Antero Nissinen Board of Directors	Board of Directors	2013 – 2024

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Bang & Bonsomer Group Ab	Company	100%	100%	2025

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