What is the Y-tunnus number of DT Systems Oy?

DT Systems Oy is registered with PRH / YTJ under Y-tunnus 2122579-4.

What is the revenue of DT Systems Oy?

DT Systems Oy reported revenue of EUR 3,5M in 2025.

Markus Kari Tapani Filppula is the CEO of DT Systems Oy, in role since 2013.

Tiina Susanna Koppinen chairs the board of DT Systems Oy, in role since 2026.

DT Systems Oy's registered address is Perintökuja 8.

OYActive

Y-tunnus 2122579-4Perintökuja 8, 01510 VantaaWired, wireless, and satellite telecommunication activities· NACE 6110Est. 2007 · 19 years old— employeeswww.dtsystems.fi

Actively employed in the business

Name	Role	Member since
Current (4)
PA Petri Antero Salo Confidential Clerk	Confidential Clerk	2013
MK Markus Kari Tapani Filppula Chief Executive Officer	Chief Executive Officer	2013
TM Tuula Marjukka Haataja Deputy Member	Deputy Member	2026
TO Teemu Oskari Saarenmaa Confidential Clerk	Confidential Clerk	2026
Former (5)
MC Marko Christian Saxell Audit	Audit	2023 – 2026
TP Tuomo Petteri Janatuinen Deputy auditor	Deputy auditor	2023 – 2026
LJ Lauri Juhani Lehtoviita Audit	Audit	2020 – 2023
MA Matti Aleksanteri Mäkinen Audit	Audit	2007 – 2020
MJ Matti Johannes Mäkinen Deputy auditor	Deputy auditor	2007 – 2020

Non-executive oversight

Name	Role	Member since
Current (2)
TS Tiina Susanna Koppinen Chairperson	Chairperson	2026
KT Kimmo Tapio Lehtonen Board of Directors	Board of Directors	2026
Former (2)
PA Pekka Antero Kalekivi Chairperson	Chairperson	2013 – 2023
OJ Oskari Jani Markus Filppula Board of Directors	Board of Directors	2023 – 2026

As of last annual report

No shareholder data available.

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