Calisto Oy

OYActive

Y-tunnus 2110497-6Kalevankatu 47A-479, 00180 HelsinkiEngineering activities and related technical consultancy · NACE 7112Est. 2007— employees

Overview Financials People & ownership Related companies

Calisto Oy is a Finnish OY based in Helsinki, operating in the Mechanical and process engineering design and technical consultancy sector. Incorporated in 2007, the company reported revenue of EUR 97K in its latest annual filing.

Revenue 2025

EUR 97K

+21% vs 2024

EBITDA margin

4.9%

-51% vs 2024

Equity ratio

47.4%

Financial strength

Net profit 2025

EUR 5K

-51% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 97K	+21%
EBITDA	EUR 5K	-51%
Net profit	EUR 5K	-51%
Total assets	EUR 29K	+37%
Equity	EUR 14K	+55%
Employees	—	—

Contact

Address

Kalevankatu 47A-479, 00180 Helsinki

Phone

+3580405914855

maria.rosberg@calisto.fi

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Frequently asked questions

What is the Y-tunnus number of Calisto Oy?

Calisto Oy is registered with PRH / YTJ under Y-tunnus 2110497-6.

What is the revenue of Calisto Oy?

Calisto Oy reported revenue of EUR 97K in 2025.

Who is the CEO of Calisto Oy?

Johan Viktor Kristoffer Rosberg is Deputy Member of Calisto Oy, in role since 2022.

Who is the chairman of Calisto Oy?

Jarl Johan Evert Rosberg chairs the board of Calisto Oy, in role since 2008.

Where is Calisto Oy headquartered?

Calisto Oy's registered address is Kalevankatu 47-A9.

Calisto Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Calisto Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Calisto Oy