What is the Y-tunnus number of Atmos Oy?

Atmos Oy is registered with PRH / YTJ under Y-tunnus 2175070-8.

What is the revenue of Atmos Oy?

Atmos Oy reported revenue of 2,2 milj. € in 2025.

Stefan Mauriz Erik Wentjärvi chairs the board of Atmos Oy, in role since 2020.

Atmos Oy's registered address is Pl 11.

OYActive

Actively employed in the business

Name	Role	Member since
Current (2)
KA Karl Arne Köhler Confidential Clerk	Confidential Clerk	2019
PA Pia Annikki Panhelainen Confidential Clerk	Confidential Clerk	2018

Former (7)


TK Tero Kalevi Hämäläinen Audit	Audit	2019 – 2023
MJ Maria Johanna Pajamo Confidential Clerk	Confidential Clerk	2018 – 2020
TE Tuija Elina Antila Confidential Clerk	Confidential Clerk	2018 – 2019

Non-executive oversight

Name	Role	Member since
Current (3)
AS Antti Sakari Eestilä Board of Directors	Board of Directors	2017
SM Stefan Mauriz Erik Wentjärvi Chairperson	Chairperson	2020
TT Tomi Tapio Rosqvist Board of Directors	Board of Directors	2019

Former (3)


EE Eva-Marika Elina Lowe Board of Directors	Board of Directors	2017 – 2019
MK Marja Katriina Aarnio-Isohanni Chairperson	Chairperson	2017 – 2019
HM Heini Maria Pirttijärvi

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Esperi Care Oy	Company	100%	100%	2023

Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive. Learn more.