What is the Y-tunnus number of TJT Katto Oy?

TJT Katto Oy is registered with PRH / YTJ under Y-tunnus 2911097-5.

What is the revenue of TJT Katto Oy?

TJT Katto Oy reported revenue of EUR 348K in 2025.

TJT Katto Oy employs 1 people as of the latest annual report.

Pentti Uolevi Haapanen is Deputy auditor of TJT Katto Oy, in role since 2018.

Heikki Johannes Kilpiäinen chairs the board of TJT Katto Oy, in role since 2018.

TJT Katto Oy's registered address is Aunankorvenkatu 10.

OYActive

Y-tunnus 2911097-5Aunankorvenkatu 10, 33840 TampereConstruction of residential and non-residential buildings · NACE 4100Est. 20181 employees

Actively employed in the business

Name	Role	Member since
Current (3)
JJ Janne Johannes Lehtimäki Chief Executive Officer	Chief Executive Officer	2018
KM Kalle Martti Juhani Laine Deputy auditor	Deputy auditor	2023
JI Jarno-Juhana Ilmari Kuusisto Audit	Audit	2023
Former (2)
PU Pentti Uolevi Haapanen Deputy auditor	Deputy auditor	2018 – 2023
MJ Markku Juhani Laakso Audit	Audit	2018 – 2023

Non-executive oversight

Name	Role	Member since
Current (2)
HJ Heikki Johannes Kilpiäinen	Chairperson	2018
VP Visar Prekadini	Board of Directors	2018

As of last annual report

No shareholder data available.

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