TST Asennus Oy

OYActive

Y-tunnus 1062984-9Kielokuja 10, 20740 TurkuElectrical installation· NACE 4321Est. 1996 · 29 years old1 employeeswww.tst-asennus.fi

Overview Financials People & ownership Related companies

TST Asennus Oy is a Finnish OY based in Turku, operating in the Electrical installation sector. Incorporated in 1996, the company has 1 employee and reported revenue of EUR 183K in its latest annual filing.

Revenue 2025

EUR 183K

-63% vs 2024

EBITDA margin

12.2%

+118% vs 2024

Net profit 2025

EUR 19K

+113% vs 2024

Key ratios

See full ratios →

55.1%

This company

20212025

0.1×

This company

20212025

4.8%

This company

20212025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 183K	-63%
EBITDA	EUR 22K	+118%
Net profit	EUR 19K	+113%
Total assets	EUR 387K	-5%
Equity	EUR 213K	+10%
Employees	1	—

Contact

Address

Kielokuja 10, 20740 Turku

Phone

+3580400528030

jyrki.kipinoinen@tst-asennus.fi

Website

www.tst-asennus.fi

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Frequently asked questions

What is the Y-tunnus number of TST Asennus Oy?

TST Asennus Oy is registered with PRH / YTJ under Y-tunnus 1062984-9.

What is the revenue of TST Asennus Oy?

TST Asennus Oy reported revenue of EUR 183K in 2025.

How many employees does TST Asennus Oy have?

TST Asennus Oy employs 1 people as of the latest annual report.

Who is the CEO of TST Asennus Oy?

Jyrki Juhani Kipinoinen is the CEO of TST Asennus Oy, in role since 2002.

Where is TST Asennus Oy headquartered?

TST Asennus Oy's registered address is Kielokuja 10.

TST Asennus Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TST Asennus Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TST Asennus Oy