What is the Y-tunnus number of SIY Sisäilmatieto Oy?

SIY Sisäilmatieto Oy is registered with PRH / YTJ under Y-tunnus 1465282-7.

What is the revenue of SIY Sisäilmatieto Oy?

SIY Sisäilmatieto Oy reported revenue of EUR 293K in 2025.

Mervi Birgitta Ahola is Chief Executive Officer of SIY Sisäilmatieto Oy, in role since 2018.

Risto Sakari Kosonen chairs the board of SIY Sisäilmatieto Oy, in role since 2018.

SIY Sisäilmatieto Oy's registered address is Kivenlahdenkatu 1-B43.

OYActive

Y-tunnus 1465282-7Kivenlahdenkatu 1B-143, 02320 EspooBusiness and other management consultancy activities · NACE 7020Est. 1998— employees

Actively employed in the business

Name	Role	Member since
Current (1)
MB Mervi Birgitta Ahola Chief Executive Officer	Chief Executive Officer	2018
Former (1)
IT Ilkka Taneli Mustonen Audit	Audit	2018 – 2023

Non-executive oversight

Name	Role	Member since
Current (5)
RS Risto Sakari Kosonen	Chairperson	2018
PP Pasi Petteri Pipatti	Board of Directors	2018
AS Anniina Salmela	Board of Directors	2025
PO Pertti Olavi Pasanen	Board of Directors	2023
HJ Heidi Johanna Salonen	Board of Directors	2018
Former (4)
AM Anne Maria Hyvärinen	Board of Directors	2018 – 2025
UP Ulla Piritta Haverinen-Shaughnessy	Board of Directors	2023 – 2025
MA Mika Armas Vuolle	Board of Directors	2018 – 2023
JO Jorma Olavi Säteri	Board of Directors	2018 – 2023

As of last annual report

No shareholder data available.

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