Arkkitehtitoimisto Topi Tuominen Oy

OYActive

Y-tunnus 0562796-1Alppikatu 11A-1175, 00530 HelsinkiArchitectural activities · NACE 7111Est. 1980— employees

Overview Financials People & ownership Related companies

Arkkitehtitoimisto Topi Tuominen Oy is a Finnish OY based in Helsinki, operating in the Architectural activities sector. Incorporated in 1980, the company reported revenue of EUR 3K in its latest annual filing.

Revenue 2025

EUR 3K

-28% vs 2024

EBITDA margin

-128.1%

+53% vs 2024

Equity ratio

29.3%

Financial strength

Net profit 2025

EUR -3K

+57% vs 2024

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 3K	-28%
EBITDA	EUR -4K	+53%
Net profit	EUR -3K	+57%
Total assets	EUR 4K	-50%
Equity	EUR 1K	-72%
Employees	—	—

Contact

Address

Alppikatu 11A-1175, 00530 Helsinki

Risika for professionals

Risika provides regulated workflow tools for finance, procurement and compliance teams that need monitoring, alerts and an API.

Visit risika.com

Frequently asked questions

What is the Y-tunnus number of Arkkitehtitoimisto Topi Tuominen Oy?

Arkkitehtitoimisto Topi Tuominen Oy is registered with PRH / YTJ under Y-tunnus 0562796-1.

What is the revenue of Arkkitehtitoimisto Topi Tuominen Oy?

Arkkitehtitoimisto Topi Tuominen Oy reported revenue of EUR 3K in 2025.

Who is the CEO of Arkkitehtitoimisto Topi Tuominen Oy?

Timo Ilmari Tuominen is Deputy Member of Arkkitehtitoimisto Topi Tuominen Oy, in role since 2015.

Who is the chairman of Arkkitehtitoimisto Topi Tuominen Oy?

Topi-Ilmari Tuominen chairs the board of Arkkitehtitoimisto Topi Tuominen Oy, in role since 2015.

Where is Arkkitehtitoimisto Topi Tuominen Oy headquartered?

Arkkitehtitoimisto Topi Tuominen Oy's registered address is Alppikatu 11-A75.

Arkkitehtitoimisto Topi Tuominen Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Arkkitehtitoimisto Topi Tuominen Oy

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Arkkitehtitoimisto Topi Tuominen Oy