Tuomasao Oy

OYActive

Y-tunnus 3318379-8Palokärjenkaari 4B-44, 01800 KlaukkalaConstruction of residential and non-residential buildings · NACE 4100Est. 2022— employees

Overview Financials People & ownership Related companies

Tuomasao Oy is a Finnish OY based in Klaukkala, operating in the Construction of residential and non-residential buildings sector. Incorporated in 2022, the company reported revenue of EUR 63K in its latest annual filing.

Revenue 2025

EUR 63K

-16% vs 2024

EBITDA margin

1.5%

-99% vs 2024

Equity ratio

74.8%

Financial strength

Net profit 2025

EUR -27

-100% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 63K	-16%
EBITDA	EUR 972	-99%
Net profit	EUR -27	-100%
Total assets	EUR 14K	-42%
Equity	EUR 10K	-7%
Employees	—	—

Contact

Address

Palokärjenkaari 4B-44, 01800 Klaukkala

Phone

+3580451386420

aotuomas@gmail.com

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Frequently asked questions

What is the Y-tunnus number of Tuomasao Oy?

Tuomasao Oy is registered with PRH / YTJ under Y-tunnus 3318379-8.

What is the revenue of Tuomasao Oy?

Tuomasao Oy reported revenue of EUR 63K in 2025.

Who is the CEO of Tuomasao Oy?

Emilia Magdaleena Aitto-oja is Deputy Member of Tuomasao Oy, in role since 2022.

Who is the chairman of Tuomasao Oy?

Tuomas Erkki Sefanias Aitto-oja chairs the board of Tuomasao Oy, in role since 2022.

Where is Tuomasao Oy headquartered?

Tuomasao Oy's registered address is Palokärjenkaari 4-B4.

Tuomasao Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Tuomasao Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Tuomasao Oy