Expert Systems Oy Matti Aaltonen

OYDissolved

Y-tunnus 0662332-1Tunturikatu 1C-145, 00100 HelsinkiComputer programming activities · NACE 6210Est. 1987 · 38 years old— employees

Overview Financials People & ownership Related companies

Expert Systems Oy Matti Aaltonen is a Finnish OY based in Helsinki, operating in the Computer programming activities sector. Incorporated in 1987, the company reported revenue of EUR 0 in its latest annual filing.

Revenue 2026

EUR 0

EBITDA margin

—

-72% vs 2025

Equity ratio

100.0%

Financial strength

Net profit 2026

EUR -193

-72% vs 2025

Key ratios

See full ratios →

100.0%

—

-1.3%

EBITDA — year on year

EUR millions

Key figures

Annual report 2026

Revenue	EUR 0	—
EBITDA	EUR -193	-72%
Net profit	EUR -193	-72%
Total assets	EUR 14K	-9%
Equity	EUR 14K	-9%
Employees	—	—

Contact

Address

Tunturikatu 1C-145, 00100 Helsinki

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Frequently asked questions

What is the Y-tunnus number of Expert Systems Oy Matti Aaltonen?

Expert Systems Oy Matti Aaltonen is registered with PRH / YTJ under Y-tunnus 0662332-1.

Who is the CEO of Expert Systems Oy Matti Aaltonen?

Matti Akseli Aaltonen is Chief Executive Officer of Expert Systems Oy Matti Aaltonen, in role since 1987.

Who is the chairman of Expert Systems Oy Matti Aaltonen?

Matti Akseli Aaltonen chairs the board of Expert Systems Oy Matti Aaltonen, in role since 2008.

Where is Expert Systems Oy Matti Aaltonen headquartered?

Expert Systems Oy Matti Aaltonen's registered address is Tunturikatu 1-C45.

Expert Systems Oy Matti Aaltonen

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Expert Systems Oy Matti Aaltonen

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Expert Systems Oy Matti Aaltonen