Teknokolmio Oy

OYActive

Y-tunnus 0752699-6Malminkaari 17B-19, 00700 HelsinkiEngineering activities and related technical consultancy · NACE 7112Est. 1989— employees

Overview Financials People & ownership Related companies

Teknokolmio 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 404K in its latest annual filing.

Revenue 2025

EUR 404K

-16% vs 2024

EBITDA margin

211.7%

-16% vs 2024

Equity ratio

19.3%

Financial strength

Net profit 2025

EUR -43K

+50% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 404K	-16%
EBITDA	EUR 855K	-16%
Net profit	EUR -43K	+50%
Total assets	EUR 148K	-13%
Equity	EUR 28K	-57%
Employees	—	—

Contact

Address

Malminkaari 17B-19, 00700 Helsinki

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Frequently asked questions

What is the Y-tunnus number of Teknokolmio Oy?

Teknokolmio Oy is registered with PRH / YTJ under Y-tunnus 0752699-6.

What is the revenue of Teknokolmio Oy?

Teknokolmio Oy reported revenue of EUR 404K in 2025.

Who is the CEO of Teknokolmio Oy?

Yrjö Ano Juhani Haukatsalo is Deputy auditor of Teknokolmio Oy, in role since 2016.

Who is the chairman of Teknokolmio Oy?

Seppo Kalevi Rättö chairs the board of Teknokolmio Oy, in role since 2018.

Where is Teknokolmio Oy headquartered?

Teknokolmio Oy's registered address is Malminkaari 1719-B.

Teknokolmio Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Teknokolmio Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Teknokolmio Oy