Summa - TSIR Oy

OYActive

Y-tunnus 3511035-7Mäkelänkatu 87, 00610 HelsinkiManufacture of other special-purpose machinery n.e.c. · NACE 2899Est. 2025— employees

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EBITDA — year on yearEUR millions

Key figuresAnnual report

Frequently asked questions

What is the Y-tunnus number of Summa - TSIR Oy?

Summa - TSIR Oy is registered with PRH / YTJ under Y-tunnus 3511035-7.

Who is the CEO of Summa - TSIR Oy?

Yuliia Safronova is Chief Executive Officer of Summa - TSIR Oy, in role since 2026.

Who is the chairman of Summa - TSIR Oy?

Jussi Samuli Holopainen chairs the board of Summa - TSIR Oy, in role since 2025.

Where is Summa - TSIR Oy headquartered?

Summa - TSIR Oy's registered address is Mäkelänkatu 87.