TSU Asennuspalvelu Oy

OYActive

Y-tunnus 2141992-7Nallintie 4, 21420 LietoElectrical installation · NACE 4321Est. 2007— employeeswww.tsu.fi

Overview Financials People & ownership Related companies

TSU Asennuspalvelu Oy is a Finnish OY based in Lieto, operating in the Electrical installation sector. Incorporated in 2007, the company reported revenue of EUR 91K in its latest annual filing.

Revenue 2025

EUR 91K

+43% vs 2024

EBITDA margin

5.3%

-96% vs 2024

Equity ratio

84.9%

Financial strength

Net profit 2025

EUR 4K

-70% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 91K	+43%
EBITDA	EUR 5K	-96%
Net profit	EUR 4K	-70%
Total assets	EUR 19K	+12%
Equity	EUR 16K	+30%
Employees	—	—

Contact

Address

Nallintie 4, 21420 Lieto

Phone

+3580447122326

info@tsu.fi

Website

www.tsu.fi

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Frequently asked questions

What is the Y-tunnus number of TSU Asennuspalvelu Oy?

TSU Asennuspalvelu Oy is registered with PRH / YTJ under Y-tunnus 2141992-7.

What is the revenue of TSU Asennuspalvelu Oy?

TSU Asennuspalvelu Oy reported revenue of EUR 91K in 2025.

Who is the CEO of TSU Asennuspalvelu Oy?

Heikki Juhani Savolainen is Deputy Member of TSU Asennuspalvelu Oy, in role since 2008.

Who is the chairman of TSU Asennuspalvelu Oy?

Tomi Kalevi Tuominen chairs the board of TSU Asennuspalvelu Oy, in role since 2023.

Where is TSU Asennuspalvelu Oy headquartered?

TSU Asennuspalvelu Oy's registered address is Nallintie 4.

TSU Asennuspalvelu Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TSU Asennuspalvelu Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on TSU Asennuspalvelu Oy