Niemi Energy Oy

OYActive

Y-tunnus 0918163-7Ruukintie 9, 53500 LappeenrantaEngineering activities and related technical consultancy · NACE 7112Est. 1993— employeeswww.niemienergy.fi

Overview Financials People & ownership Related companies

Niemi Energy Oy is a Finnish OY based in Lappeenranta, operating in the Engineering design and technical consultancy incidental to heating, plumbing and air-conditioning sector. Incorporated in 1993, the company reported revenue of EUR 407K in its latest annual filing.

Revenue 2025

EUR 407K

-28% vs 2024

EBITDA margin

-10.2%

-300% vs 2024

Equity ratio

20.4%

Financial strength

Net profit 2025

EUR -41K

-346% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 407K	-28%
EBITDA	EUR -41K	-300%
Net profit	EUR -41K	-346%
Total assets	EUR 265K	-31%
Equity	EUR 54K	-43%
Employees	—	—

Contact

Address

Ruukintie 9, 53500 Lappeenranta

Phone

+3580405147719

etunimi.sukunimi@niemienergy.fi

Website

www.niemienergy.fi

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Frequently asked questions

What is the Y-tunnus number of Niemi Energy Oy?

Niemi Energy Oy is registered with PRH / YTJ under Y-tunnus 0918163-7.

What is the revenue of Niemi Energy Oy?

Niemi Energy Oy reported revenue of EUR 407K in 2025.

Who is the CEO of Niemi Energy Oy?

Mia Susanna Svensk is Audit of Niemi Energy Oy, in role since 2015.

Who is the chairman of Niemi Energy Oy?

Aarno Sakari Niemi chairs the board of Niemi Energy Oy, in role since 2018.

Where is Niemi Energy Oy headquartered?

Niemi Energy Oy's registered address is Ruukintie 9.

Niemi Energy Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Niemi Energy Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Niemi Energy Oy