Altom Oy

OYActive

Y-tunnus 2141993-5Kustinpolku 17B-1741, 00240 HelsinkiElectrical installation · NACE 4321Est. 20077 employees

Overview Financials People & ownership Related companies

Altom Oy is a Finnish OY based in Helsinki, operating in the Electrical installation sector. Incorporated in 2007, the company has 7 employees and reported revenue of EUR 567K in its latest annual filing.

Revenue 2025

EUR 567K

+20% vs 2024

EBITDA margin

22.6%

+864% vs 2024

Equity ratio

67.3%

Financial strength

Net profit 2025

EUR 92K

+353% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 567K	+20%
EBITDA	EUR 128K	+864%
Net profit	EUR 92K	+353%
Total assets	EUR 257K	+30%
Equity	EUR 173K	+97%
Employees	7	—

Contact

Address

Kustinpolku 17B-1741, 00240 Helsinki

Phone

+3580503244774

altomoy@gmail.com

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Frequently asked questions

What is the Y-tunnus number of Altom Oy?

Altom Oy is registered with PRH / YTJ under Y-tunnus 2141993-5.

What is the revenue of Altom Oy?

Altom Oy reported revenue of EUR 567K in 2025.

How many employees does Altom Oy have?

Altom Oy employs 7 people as of the latest annual report.

Who is the CEO of Altom Oy?

Jenni Maria Elisabeth Borg is Deputy Member of Altom Oy, in role since 2024.

Who is the chairman of Altom Oy?

Aleksi Marttila chairs the board of Altom Oy, in role since 2009.

Where is Altom Oy headquartered?

Altom Oy's registered address is Kustinpolku 17-B41.

Altom Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Altom Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Altom Oy