Question 1

What is the Y-tunnus number of A-Eristys Oy?

Accepted Answer

A-Eristys Oy is registered with PRH / YTJ under Y-tunnus 2371989-4.

Question 2

What is the revenue of A-Eristys Oy?

Accepted Answer

A-Eristys Oy reported revenue of EUR 1M in 2025.

Question 3

How many employees does A-Eristys Oy have?

Accepted Answer

A-Eristys Oy employs 7 people as of the latest annual report.

Question 4

Who is the CEO of A-Eristys Oy?

Accepted Answer

Olli Artturi Lehtonen is the CEO of A-Eristys Oy, in role since 2011.

Question 5

Who is the chairman of A-Eristys Oy?

Accepted Answer

Olli Artturi Lehtonen chairs the board of A-Eristys Oy, in role since 2021.

Question 6

Where is A-Eristys Oy headquartered?

Accepted Answer

A-Eristys Oy's registered address is Sammalkallionkatu 9.

Person	Role here	Other companies
Jari Tapio Viljanen	Audit	107 companiesMany roles
Antti Iiro Juhani Ikonen	Audit	76 companiesMany roles
Harri Johannes Rantanen	Board of Directors	5 companies
Matti Aleksi Rantanen Kunovski	Board of Directors	4 companies
Aleksi Mikael Alm	Audit	2 companies

A-Eristys Oy

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