Arkkitehtitoimisto Westerback Oy

OYActive

Y-tunnus 0196794-2Puusepänkatu 1, 00880 HelsinkiArchitectural activities · NACE 7111Est. 1957— employeeswww.ark-westerback.com

Overview Financials People & ownership Related companies

Arkkitehtitoimisto Westerback Oy is a Finnish OY based in Helsinki, operating in the Architectural activities sector. Incorporated in 1957, the company reported revenue of EUR 52K in its latest annual filing.

Revenue 2025

EUR 52K

-99% vs 2024

EBITDA margin

5.4%

+175% vs 2024

Equity ratio

81.6%

Financial strength

Net profit 2025

EUR 3K

+170% vs 2024

Key ratios

See full ratios →

81.6%

35.6%

43.7%

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 52K	-99%
EBITDA	EUR 3K	+175%
Net profit	EUR 3K	+170%
Total assets	EUR 7K	-99%
Equity	EUR 6K	-98%
Employees	—	—

Contact

Address

Puusepänkatu 1, 00880 Helsinki

Phone

+3580500418651

kirstikaarina.hautala@gmail.com

Website

www.ark-westerback.com

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Frequently asked questions

What is the Y-tunnus number of Arkkitehtitoimisto Westerback Oy?

Arkkitehtitoimisto Westerback Oy is registered with PRH / YTJ under Y-tunnus 0196794-2.

What is the revenue of Arkkitehtitoimisto Westerback Oy?

Arkkitehtitoimisto Westerback Oy reported revenue of EUR 52K in 2025.

Who is the CEO of Arkkitehtitoimisto Westerback Oy?

Ari Kalevi Pitkänen is Audit of Arkkitehtitoimisto Westerback Oy, in role since 2004.

Who is the chairman of Arkkitehtitoimisto Westerback Oy?

Mika Eino Westerback chairs the board of Arkkitehtitoimisto Westerback Oy, in role since 2017.

Where is Arkkitehtitoimisto Westerback Oy headquartered?

Arkkitehtitoimisto Westerback Oy's registered address is Puusepänkatu 1.

Arkkitehtitoimisto Westerback Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Arkkitehtitoimisto Westerback Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Arkkitehtitoimisto Westerback Oy