Sennus Oy

OYActive

Y-tunnus 3273256-4Myllärinkatu 21, 65100 VaasaElectrical installation· NACE 4321Est. 2022 · 4 years old2 employees

Overview Financials People & ownership Related companies

Sennus Oy is a Finnish OY based in Vaasa, operating in the Electrical installation sector. Incorporated in 2022, the company has 2 employees and reported revenue of EUR 167K in its latest annual filing.

Revenue 2025

EUR 167K

-49% vs 2024

EBITDA margin

7.8%

-68% vs 2024

Net profit 2025

EUR 2K

-90% vs 2024

Key ratios

See full ratios →

10.8%

This company

20242025

1.2×

This company

20242025

1.4%

This company

20242025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 167K	-49%
EBITDA	EUR 13K	-68%
Net profit	EUR 2K	-90%
Total assets	EUR 134K	+46%
Equity	EUR 14K	+14%
Employees	2	—

Contact

Address

Myllärinkatu 21, 65100 Vaasa

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Frequently asked questions

What is the Y-tunnus number of Sennus Oy?

Sennus Oy is registered with PRH / YTJ under Y-tunnus 3273256-4.

What is the revenue of Sennus Oy?

Sennus Oy reported revenue of EUR 167K in 2025.

How many employees does Sennus Oy have?

Sennus Oy employs 2 people as of the latest annual report.

Who is the CEO of Sennus Oy?

Mikko Ilkka Petteri Haapakoski is the CEO of Sennus Oy, in role since 2025.

Who is the chairman of Sennus Oy?

Karl Mikael Norlander chairs the board of Sennus Oy, in role since 2025.

Where is Sennus Oy headquartered?

Sennus Oy's registered address is Myllärinkatu 21.

Sennus Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sennus Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sennus Oy