What is the Y-tunnus number of Tieysi Oy?

Tieysi Oy is registered with PRH / YTJ under Y-tunnus 1959749-2.

What is the revenue of Tieysi Oy?

Tieysi Oy reported revenue of 4,7 milj. € in 2025.

Tieysi Oy employs 26 people as of the latest annual report.

Mikko Matias Vaaraniemi is the CEO of Tieysi Oy, in role since 2023.

Kari Juhani Vaaraniemi chairs the board of Tieysi Oy, in role since 2016.

Tieysi Oy's registered address is Resiinakatu 3-A9.

OYActive

Y-tunnus 1959749-2Resiinakatu 3A-39, 94600 KemiSite preparation· NACE 4312Est. 2005 · 21 years old26 employees

Actively employed in the business

Name	Role	Member since
Current (1)
MM Mikko Matias Vaaraniemi Chief Executive Officer	Chief Executive Officer	2023

Former (2)


KJ Kari Juhani Vaaraniemi Chief Executive Officer	Chief Executive Officer	2015 – 2023
JT Jari Tapani Nurkkala Audit	Audit	2015 – 2023

Non-executive oversight

Name	Role	Member since
Current (3)
KJ Kari Juhani Vaaraniemi Chairperson	Chairperson	2016
MM Mikko Matias Vaaraniemi Board of Directors	Board of Directors	2016
MA Matti Antero Vaaraniemi Board of Directors	Board of Directors	2016

Former (1)


KH Kimmo Henrik Pakonen Board of Directors	Board of Directors	2016 – 2023

As of last annual report

No shareholder data available.

Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive. Learn more.