Treston Oy

OYActive

Y-tunnus 2419359-9Sorakatu 1, 20730 TurkuManufacture of other plastic products· NACE 2226Est. 2011 · 14 years old230 employees

Overview Financials People & ownership Related companies

Treston Oy is a Finnish OY based in Turku, operating in the Manufacture of other plastic products sector. Incorporated in 2011, the company has 230 employees and reported revenue of EUR 40M in its latest annual filing.

Revenue 2025

EUR 40M

+6% vs 2024

EBITDA margin

14.8%

+7% vs 2024

Net profit 2025

EUR 896K

-64% vs 2024

Key ratios

See full ratios →

29.3%

This company

20212025

1.1×

This company

20212025

2.3%

This company

20212025

EBITDA — year on year

EUR millions

Key figures

Annual report 2025

Revenue	EUR 40M	+6%
EBITDA	EUR 5,9M	+7%
Net profit	EUR 896K	-64%
Total assets	EUR 38,9M	+14%
Equity	EUR 11,4M	+9%
Employees	230	—

Contact

Address

Sorakatu 1, 20730 Turku

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Frequently asked questions

What is the Y-tunnus number of Treston Oy?

Treston Oy is registered with PRH / YTJ under Y-tunnus 2419359-9.

What is the revenue of Treston Oy?

Treston Oy reported revenue of EUR 40M in 2025.

How many employees does Treston Oy have?

Treston Oy employs 230 people as of the latest annual report.

Who is the CEO of Treston Oy?

Esa Kullervo Siljander is the CEO of Treston Oy, in role since 2014.

Who is the chairman of Treston Oy?

Tom Esa Ingmar Nickels chairs the board of Treston Oy, in role since 2023.

Where is Treston Oy headquartered?

Treston Oy's registered address is Sorakatu 1.

Treston Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Treston Oy

Key ratios

EBITDA — year on year

Key figures

Company information

Contact

Frequently asked questions

More on Treston Oy