Castrum-fluvius Oy Ab

OYActive

Y-tunnus 2725044-8Tölögatan 9A-92, 00100 HelsingforsBusiness and other management consultancy activities · NACE 7020Est. 2015— employees

Overview Financials People & ownership Related companies

Castrum-fluvius Oy Ab is a Finnish OY based in Helsingfors, operating in the Business and other management consultancy activities sector. Incorporated in 2015, the company reported revenue of EUR 1,6M in its latest annual filing.

Revenue 2025

EUR 1,6M

-8% vs 2024

EBITDA margin

34.0%

+999% vs 2024

Equity ratio

87.7%

Financial strength

Net profit 2025

EUR 497K

+527% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 1,6M	-8%
EBITDA	EUR 527K	+999%
Net profit	EUR 497K	+527%
Total assets	EUR 9,1M	+16%
Equity	EUR 8M	+2%
Employees	—	—

Contact

Address

Tölögatan 9A-92, 00100 Helsingfors

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Frequently asked questions

What is the Y-tunnus number of Castrum-fluvius Oy Ab?

Castrum-fluvius Oy Ab is registered with PRH / YTJ under Y-tunnus 2725044-8.

What is the revenue of Castrum-fluvius Oy Ab?

Castrum-fluvius Oy Ab reported revenue of EUR 1,6M in 2025.

Who is the CEO of Castrum-fluvius Oy Ab?

Kari Antero Lydman is Deputy auditor of Castrum-fluvius Oy Ab, in role since 2023.

Who is the chairman of Castrum-fluvius Oy Ab?

Ivan Milovan Lazarevic chairs the board of Castrum-fluvius Oy Ab, in role since 2015.

Where is Castrum-fluvius Oy Ab headquartered?

Castrum-fluvius Oy Ab's registered address is Tölögatan 9-A2.

Castrum-fluvius Oy Ab

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Castrum-fluvius Oy Ab

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Castrum-fluvius Oy Ab