Sirius Engineers Oy

OYActive

Y-tunnus 1832472-4Lämmittäjänkatu 4B, 00880 HelsinkiEngineering activities and related technical consultancy · NACE 7112Est. 2003— employees

Overview Financials People & ownership Related companies

Sirius Engineers Oy is a Finnish OY based in Helsinki, operating in the Mechanical and process engineering design and technical consultancy sector. Incorporated in 2003, the company reported revenue of EUR 418K in its latest annual filing.

Revenue 2025

EUR 418K

+40% vs 2024

EBITDA margin

3.4%

+105% vs 2024

Equity ratio

71.7%

Financial strength

Net profit 2025

EUR 14K

+104% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 418K	+40%
EBITDA	EUR 14K	+105%
Net profit	EUR 14K	+104%
Total assets	EUR 340K	-4%
Equity	EUR 244K	-3%
Employees	—	—

Contact

Address

Lämmittäjänkatu 4B, 00880 Helsinki

Phone

+3580400845835

reijo.lemmetty@siriusengineers.com

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Frequently asked questions

What is the Y-tunnus number of Sirius Engineers Oy?

Sirius Engineers Oy is registered with PRH / YTJ under Y-tunnus 1832472-4.

What is the revenue of Sirius Engineers Oy?

Sirius Engineers Oy reported revenue of EUR 418K in 2025.

Who is the CEO of Sirius Engineers Oy?

Kari Veikko Sakari Miettinen is Deputy auditor of Sirius Engineers Oy, in role since 2019.

Who is the chairman of Sirius Engineers Oy?

Reijo Uolevi Lemmetty chairs the board of Sirius Engineers Oy, in role since 2014.

Where is Sirius Engineers Oy headquartered?

Sirius Engineers Oy's registered address is Lämmittäjänkatu 4-B.

Sirius Engineers Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sirius Engineers Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Sirius Engineers Oy