Welle Oy

OYActive

Y-tunnus 0786815-2Huvilakatu 21A-215, 00150 HelsinkiEngineering activities and related technical consultancy · NACE 7112Est. 1989 · 36 years old— employees

Overview Financials People & ownership Related companies

Welle Oy is a Finnish OY based in Helsinki, operating in the Other engineering design and technical consultancy incidental to building construction sector. Incorporated in 1989, the company reported revenue of EUR 296K in its latest annual filing.

Revenue 2025

EUR 296K

+25% vs 2024

EBITDA margin

12.0%

+360% vs 2024

Equity ratio

47.9%

Financial strength

Net profit 2025

EUR 7K

+860% vs 2024

Key ratios

See full ratios →

47.9%

2.0×

2.7%

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 296K	+25%
EBITDA	EUR 35K	+360%
Net profit	EUR 7K	+860%
Total assets	EUR 266K	-4%
Equity	EUR 127K	+6%
Employees	—	—

Contact

Address

Huvilakatu 21A-215, 00150 Helsinki

Phone

+3580505521531

olavi.saastamoinen@welle.fi

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Frequently asked questions

What is the Y-tunnus number of Welle Oy?

Welle Oy is registered with PRH / YTJ under Y-tunnus 0786815-2.

What is the revenue of Welle Oy?

Welle Oy reported revenue of EUR 296K in 2025.

Who is the CEO of Welle Oy?

Tom Thure Antero Sandell is Audit of Welle Oy, in role since 2011.

Where is Welle Oy headquartered?

Welle Oy's registered address is Huvilakatu 21-A5.

Welle Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Welle Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Welle Oy