Question 1

What is the Y-tunnus number of SeWesTek Oy?

Accepted Answer

SeWesTek Oy is registered with PRH / YTJ under Y-tunnus 2099081-4.

Question 2

What is the revenue of SeWesTek Oy?

Accepted Answer

SeWesTek Oy reported revenue of 1,8 milj. € in 2025.

Question 3

How many employees does SeWesTek Oy have?

Accepted Answer

SeWesTek Oy employs 16 people as of the latest annual report.

Question 4

Who is the CEO of SeWesTek Oy?

Accepted Answer

Eetu Taneli Oskari Viertola is the CEO of SeWesTek Oy, in role since 2025.

Question 5

Who is the chairman of SeWesTek Oy?

Accepted Answer

Mikko Kalervo Rantala chairs the board of SeWesTek Oy, in role since 2025.

Question 6

Where is SeWesTek Oy headquartered?

Accepted Answer

SeWesTek Oy's registered address is Tehtaantie 26.

Person	Role here	Other companies
Sirpa Anneli Hemminki	Audit	644 companiesMany roles
Marjo Kaija Helena Lähteenmaa	Deputy auditor	573 companiesMany roles
Tapio Jaakko Mäenpää	Deputy auditor	5 companies
Kari Juhani Rantala	Deputy Member	3 companies
Mikko Kalervo Rantala	Chief Executive Officer	2 companies
Miikka Mikael Matias Rantala	Board of Directors	1 company

SeWesTek Oy

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