What is the Y-tunnus number of KST-Yhtiö Oy?

KST-Yhtiö Oy is registered with PRH / YTJ under Y-tunnus 1052646-0.

What is the revenue of KST-Yhtiö Oy?

KST-Yhtiö Oy reported revenue of 10,5 milj. € in 2025.

KST-Yhtiö Oy employs 66 people as of the latest annual report.

Sami Mikael Hartikka is the CEO of KST-Yhtiö Oy, in role since 2020.

Jouni Kalevi Kumpulainen chairs the board of KST-Yhtiö Oy, in role since 2016.

KST-Yhtiö Oy's registered address is Kirjosillankatu 8.

OYActive

Y-tunnus 1052646-0Kirjosillankatu 8, 15300 LahtiActivities of agents involved in the wholesale of timber and building materials· NACE 4613Est. 1996 · 30 years old66 employees

Actively employed in the business

Name	Role	Member since
Current (1)
SM Sami Mikael Hartikka Chief Executive Officer	Chief Executive Officer	2020

Former (1)


JJ Jari Juhani Havukainen Audit	Audit	2013 – 2023

Non-executive oversight

Name	Role	Member since
Current (8)
TP Terhi Päivikki Tolvanen Board of Directors	Board of Directors	2016
JT Johannes Tero Mikael Mäenpää Board of Directors	Board of Directors	2019
JR Juuso Robert Kumpulainen Board of Directors	Board of Directors	2023
SM Sami Mikael Hartikka Board of Directors	Board of Directors	2019
TK Tuuli Kaarina Kumpulainen Board of Directors	Board of Directors	2016
HM Hanna Maria Mäenpää Board of Directors	Board of Directors	2022
JT Jenni Tuulia Siltala Board of Directors	Board of Directors	2022
JK Jouni Kalevi Kumpulainen Chairperson	Chairperson	2016

As of last annual report

No shareholder data available.

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