Def Network Oy

OYActive

Y-tunnus 2990276-1Simonkatu 12B-1213, 00100 HelsinkiActivities of advertising agencies · NACE 7311Est. 2019— employeeswww.defagency.fi

Overview Financials People & ownership Related companies

Def Network Oy is a Finnish OY based in Helsinki, operating in the Other activities of advertising agencies sector. Incorporated in 2019, the company reported revenue of EUR 1,5M in its latest annual filing.

Revenue 2025

EUR 1,5M

-44% vs 2024

EBITDA margin

13.3%

-49% vs 2024

Equity ratio

50.0%

Financial strength

Net profit 2025

EUR 162K

-50% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 1,5M	-44%
EBITDA	EUR 204K	-49%
Net profit	EUR 162K	-50%
Total assets	EUR 597K	-15%
Equity	EUR 299K	-38%
Employees	—	—

Contact

Address

Simonkatu 12B-1213, 00100 Helsinki

antti.hirvonen@defagency.fi

Website

www.defagency.fi

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Frequently asked questions

What is the Y-tunnus number of Def Network Oy?

Def Network Oy is registered with PRH / YTJ under Y-tunnus 2990276-1.

What is the revenue of Def Network Oy?

Def Network Oy reported revenue of EUR 1,5M in 2025.

Who is the CEO of Def Network Oy?

Antti Juhani Hirvonen is Chief Executive Officer of Def Network Oy, in role since 2019.

Who is the chairman of Def Network Oy?

Jimi Ilkka Eerikki Veijonen chairs the board of Def Network Oy, in role since 2019.

Where is Def Network Oy headquartered?

Def Network Oy's registered address is Simonkatu 12-B13.

Def Network Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Def Network Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Def Network Oy