What is the Y-tunnus number of Tammet Oy?

Tammet Oy is registered with PRH / YTJ under Y-tunnus 0131275-1.

What is the revenue of Tammet Oy?

Tammet Oy reported revenue of 14,6 milj. € in 2025.

Tammet Oy employs 37 people as of the latest annual report.

Jan Christian Silén is the CEO of Tammet Oy, in role since 2014.

Ulf Sigvard Sjöblom chairs the board of Tammet Oy, in role since 2024.

OYActive

Y-tunnus 0131275-1Manufacture of wire products, chain and springs· NACE 2593Est. 1948 · 78 years old37 employeeswww.tammet.fi

Actively employed in the business

Name	Role	Member since
Current (2)
KS Kurt Stefan Källberg Confidential Clerk	Confidential Clerk	2017
JC Jan Christian Silén Chief Executive Officer	Chief Executive Officer	2014

Former (2)


CM Caj Mikael Söderlund Audit	Audit	2017 – 2026
CE Christer Engelbert Långstedt Deputy auditor	Deputy auditor	2017 – 2023

Non-executive oversight

Name	Role	Member since
Current (4)
JS Jari Sakari Honkanen Board of Directors	Board of Directors	2024
BN Bengt Niclas Teodor Fagerström Board of Directors	Board of Directors	2016
TA Timo Arvo Parmasuo Board of Directors	Board of Directors	2024
US Ulf Sigvard Sjöblom Chairperson	Chairperson	2024

Former (3)


JH Jan Henrik Kaunisranta Board of Directors	Board of Directors	2016 – 2023
KS Kurt Stefan Källberg Board of Directors	Board of Directors	2016 – 2023
GH Gretel Helena Ramsay

As of last annual report

No shareholder data available.

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