Question 1

What is the Y-tunnus number of J-Tielinen Oy?

Accepted Answer

J-Tielinen Oy is registered with PRH / YTJ under Y-tunnus 2902461-2.

Question 2

What is the revenue of J-Tielinen Oy?

Accepted Answer

J-Tielinen Oy reported revenue of EUR 2K in 2025.

Question 3

Who is the CEO of J-Tielinen Oy?

Accepted Answer

Marju Helena Tielinen is Deputy Member of J-Tielinen Oy, in role since 2021.

Question 4

Who is the chairman of J-Tielinen Oy?

Accepted Answer

Joonas Henri Tapani Tielinen chairs the board of J-Tielinen Oy, in role since 2018.

Question 5

Where is J-Tielinen Oy headquartered?

Accepted Answer

J-Tielinen Oy's registered address is Ykköskuja 2.

Person	Role here	Other companies
Marju Helena Tielinen	Deputy Member	0 companies
Jukka Matti Tapani Tielinen	Chief Executive Officer	0 companies
Jere Anton Tielinen	Chief Executive Officer	0 companies
Joonas Henri Tapani Tielinen	Chairperson	0 companies

J-Tielinen Oy

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