What is the Y-tunnus number of CSI Helsinki Oy?

CSI Helsinki Oy is registered with PRH / YTJ under Y-tunnus 1826556-8.

What is the revenue of CSI Helsinki Oy?

CSI Helsinki Oy reported revenue of 4,1 milj. € in 2025.

CSI Helsinki Oy employs 23 people as of the latest annual report.

Harri Ensio Tiili is the CEO of CSI Helsinki Oy, in role since 2004.

Henrik Bertel Juhani Reims chairs the board of CSI Helsinki Oy, in role since 2026.

CSI Helsinki Oy's registered address is Vilhonvuorenkatu 11-C.

OYActive

Y-tunnus 1826556-8Vilhonvuorenkatu 11C, 00500 HelsinkiComputer programming activities· NACE 6210Est. 2003 · 23 years old23 employees

Actively employed in the business

Name	Role	Member since
Current (2)
TM Taina Mirjami Malmivirta Confidential Clerk	Confidential Clerk	2024
HE Harri Ensio Tiili Chief Executive Officer	Chief Executive Officer	2004

Former (1)


PR Petteri Raine Lagus Audit	Audit	2017 – 2023

Non-executive oversight

Name	Role	Member since
Current (3)
KI Kaisa Irmeli Malmipuro Board of Directors	Board of Directors	2024
KJ Kaj Johan Rintala Board of Directors	Board of Directors	2026
HB Henrik Bertel Juhani Reims Chairperson	Chairperson	2026

Former (7)


VP Vesa Petteri Kivistö Board of Directors	Board of Directors	2023 – 2025
TM Taina Mirjami Malmivirta Board of Directors	Board of Directors	2017 – 2023
MT Marko Tapio Korpi-Filppula

As of last annual report

Shareholder	Type	Ownership	Votes	Since
Saarni Likeit Oy	Company	100%	100%	2023

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