Question 1

What is the Y-tunnus number of Yst Oy?

Accepted Answer

Yst Oy is registered with PRH / YTJ under Y-tunnus 2774553-9.

Question 2

What is the revenue of Yst Oy?

Accepted Answer

Yst Oy reported revenue of EUR 67K in 2025.

Question 3

How many employees does Yst Oy have?

Accepted Answer

Yst Oy employs 1 people as of the latest annual report.

Question 4

Who is the CEO of Yst Oy?

Accepted Answer

Eero Olavi Ylä-Soininmäki is Deputy Member of Yst Oy, in role since 2016.

Question 5

Who is the chairman of Yst Oy?

Accepted Answer

Tomi Peter Ylä-Soininmäki chairs the board of Yst Oy, in role since 2016.

Question 6

Where is Yst Oy headquartered?

Accepted Answer

Yst Oy's registered address is Sibeliuksenkatu 11-B32.

Person	Role here	Other companies
Eero Olavi Ylä-Soininmäki	Deputy Member	0 companies
Tomi Peter Ylä-Soininmäki	Board of Directors	0 companies

Yst Oy

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