Lonsensor Oy

OYActive

Y-tunnus 1027731-0Matinniementie 32, 58200 KerimäkiEngineering activities and related technical consultancy· NACE 7112Est. 1995 · 30 years old— employees

Overview Financials People & ownership Related companies

Lonsensor Oy is a Finnish OY based in Kerimäki, operating in the Engineering activities and related technical consultancy sector. Incorporated in 1995, the company reported revenue of EUR 30K in its latest annual filing.

Revenue 2025

EUR 30K

+75% vs 2024

EBITDA margin

-39.6%

-169% vs 2024

Net profit 2025

EUR -5K

-278% vs 2024

Key ratios

See full ratios →

115.5%

This company

20202025

-27.4×

This company

20202025

-11.8%

This company

20202025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 30K	+75%
EBITDA	EUR -12K	-169%
Net profit	EUR -5K	-278%
Total assets	EUR 40K	+22%
Equity	EUR 47K	+56%
Employees	—	—

Contact

Address

Matinniementie 32, 58200 Kerimäki

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Frequently asked questions

What is the Y-tunnus number of Lonsensor Oy?

Lonsensor Oy is registered with PRH / YTJ under Y-tunnus 1027731-0.

What is the revenue of Lonsensor Oy?

Lonsensor Oy reported revenue of EUR 30K in 2025.

Who is the CEO of Lonsensor Oy?

Seija Marjatta Makkonen is the CEO of Lonsensor Oy.

Who is the chairman of Lonsensor Oy?

Vesa Antero Makkonen chairs the board of Lonsensor Oy.

Where is Lonsensor Oy headquartered?

Lonsensor Oy's registered address is Matinniementie 32.

Lonsensor Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Lonsensor Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Lonsensor Oy