What is the Y-tunnus number of Assonant Oy?

Assonant Oy is registered with PRH / YTJ under Y-tunnus 0943471-0.

What is the revenue of Assonant Oy?

Assonant Oy reported revenue of 1,9 milj. € in 2025.

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

Petri Timo Johannes Lahtinen is the CEO of Assonant Oy, in role since 1996.

Tiina Susanna Koppinen chairs the board of Assonant Oy, in role since 2024.

Assonant Oy's registered address is Kammantekijäntie 1-B.

OYActive

Y-tunnus 0943471-0Kammantekijäntie 1B, 00640 HelsinkiElectrical installation· NACE 4321Est. 1991 · 34 years old16 employeeswww.assonant.fi

Actively employed in the business

Name	Role	Member since
Current (3)
PT Petri Timo Johannes Lahtinen Chief Executive Officer	Chief Executive Officer	1996
TM Tuula Marjukka Haataja Deputy Member	Deputy Member	2024
TS Tiina Susanna Koppinen Confidential Clerk	Confidential Clerk	2024

Former (1)


AO Ari Osmo Ilmari Lahtinen Deputy Member	Deputy Member	1995 – 2024

Non-executive oversight

Name	Role	Member since
Current (2)
PS Pekka Sakari Pöykkö Board of Directors	Board of Directors	2024
TS Tiina Susanna Koppinen Chairperson	Chairperson	2024

Former (2)


PT Petri Timo Johannes Lahtinen Board of Directors	Board of Directors	1995 – 2024
KJ Kimmo Jari Ilmari Liukkonen Board of Directors	Board of Directors	2024 – 2024

As of last annual report

No shareholder data available.

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