What is the Y-tunnus number of Oy Ratiocon Ab?

Oy Ratiocon Ab is registered with PRH / YTJ under Y-tunnus 0420206-4.

Who is the CEO of Oy Ratiocon Ab?

Arto Johannes Laine is Chief Executive Officer of Oy Ratiocon Ab, in role since 2022.

Sanna Paulina Wolstenholme chairs the board of Oy Ratiocon Ab, in role since 2013.

Oy Ratiocon Ab's registered address is Haapavuorentie 16.

OYDissolved

Y-tunnus 0420206-4Haapavuorentie 16, 21310 VahtoEngineering activities and related technical consultancy · NACE 7112Est. 1981 · 44 years old0 employees

Actively employed in the business

Name	Role	Member since
Current (1)
AJ Arto Johannes Laine Chief Executive Officer	Chief Executive Officer	2022
Former (1)
AJ Arto Johannes Laine Chief Executive Officer	Chief Executive Officer	1981 – 2022

Non-executive oversight

Name	Role	Member since
Current (2)
SP Sanna Paulina Wolstenholme	Board of Directors	2013
SP Sami Patrik Laine	Board of Directors	2013

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.