Assonant Oy

OYActive

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

Overview Financials People & ownership Related companies

Assonant Oy is a Finnish OY based in Helsinki, operating in the Electrical installation sector. Incorporated in 1991, the company has 16 employees and reported revenue of EUR 1,9M in its latest annual filing.

Revenue 2025

EUR 1,9M

-34% vs 2024

EBITDA margin

13.6%

-31% vs 2024

Net profit 2025

EUR 69K

-76% vs 2024

Key ratios

See full ratios →

72.8%

This company

20212025

3.6×

This company

20212025

2.8%

This company

20212025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 1,9M	-34%
EBITDA	EUR 261K	-31%
Net profit	EUR 69K	-76%
Total assets	EUR 2,5M	+13%
Equity	EUR 1,8M	+4%
Employees	16	—

Contact

Address

Kammantekijäntie 1B, 00640 Helsinki

Phone

+3580405058030

Website

www.assonant.fi

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Frequently asked questions

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 EUR 1,9M in 2025.

How many employees does Assonant Oy have?

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

Who is the CEO of Assonant Oy?

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

Who is the chairman of Assonant Oy?

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

Where is Assonant Oy headquartered?

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

Assonant Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Assonant Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Assonant Oy