Question 1

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

Accepted Answer

TTJ Systems Oy is registered with PRH / YTJ under Y-tunnus 2888040-9.

Question 2

What is the revenue of TTJ Systems Oy?

Accepted Answer

TTJ Systems Oy reported revenue of EUR 672K in 2025.

Question 3

How many employees does TTJ Systems Oy have?

Accepted Answer

TTJ Systems Oy employs 4 people as of the latest annual report.

Question 4

Who is the CEO of TTJ Systems Oy?

Accepted Answer

Timo Antero Vierimaa is Chief Executive Officer of TTJ Systems Oy, in role since 2018.

Question 5

Who is the chairman of TTJ Systems Oy?

Accepted Answer

Jarno Johan Petteri Saarilampi chairs the board of TTJ Systems Oy, in role since 2018.

Question 6

Where is TTJ Systems Oy headquartered?

Accepted Answer

TTJ Systems Oy's registered address is Kalliontie 190.

Name	Role	Member since
Current (2)
TA Timo Antero Vierimaa Chief Executive Officer	Chief Executive Officer	2018
HA Heidi Annika Hukka Audit	Audit	2018

Name	Role	Member since
Current (2)
JJ Jarno Johan Petteri Saarilampi	Chairperson	2018
TJ Tapio Johannes Huhtala	Board of Directors	2018

Name	Role	Member since
Current (2)
TA Timo Antero Vierimaa Chief Executive Officer	Chief Executive Officer	2018
HA Heidi Annika Hukka Audit	Audit	2018

Name	Role	Member since
Current (2)
JJ Jarno Johan Petteri Saarilampi	Chairperson	2018
TJ Tapio Johannes Huhtala	Board of Directors	2018

TTJ Systems Oy

People & ownership