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Trimaster Oy
OY
Active
Y-tunnus 1482237-1
Aurinkokuja 3, 33420
Tampere
Engineering activities and related technical consultancy
·
NACE 7112
Est. 1998 · 27 years old
21 employees
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Engineering activities and related technical consultancy
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Trimaster Oy
Overview
Financials
People & ownership
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People & ownership
Ledelse
Aktivt ansatte i selskabet
Name
Role
Member since
Current (4)
JI
Jarno-Juhana Ilmari Kuusisto
Audit
Audit
2020
VL
Varpu Liisa Jalo
Confidential Clerk
Confidential Clerk
2020
TS
Tero Sakari Mäkinen
Chief Executive Officer
Chief Executive Officer
2025
JJ
Janne Juhani Viitala
Deputy auditor
Deputy auditor
2020
Former (2)
EJ
Esa Juhani Harju
Chief Executive Officer
Chief Executive Officer
2016 – 2020
HJ
Heikki Juhani Lassila
Audit
Audit
2012 – 2020
Bestyrelse
Ikke-udøvende tilsyn
Name
Role
Member since
Current (5)
LO
Leo Olavi Johansson
Chairperson
Chairperson
2020
KS
Kari-Pekka Sakari Tammela
Board of Directors
Board of Directors
2020
TT
Tero Tapio Vartiainen
Board of Directors
Board of Directors
2024
MK
Mika Kristian Hartikainen
Board of Directors
Board of Directors
2024
PK
Pekka Kalervo Pullinen
Board of Directors
Board of Directors
2024
Former (5)
ET
Erkki Tryggve Fredrik Myllärniemi
Board of Directors
Board of Directors
2018 – 2019
GJ
Guido Johannes Spix
Chairperson
Chairperson
2018 – 2020
TR
Tobias Richter
Board of Directors
Board of Directors
2018 – 2019
CK
Christian Karl Schaub
Board of Directors
Board of Directors
2019 – 2020
KO
Kimmo Olavi Vesterinen
Board of Directors
Board of Directors
2020 – 2024
Aktionærer
Pr. seneste årsrapport
Shareholder
Type
Ownership
Votes
Since
Multivac Oy
Company
100%
100%
2023
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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More on Trimaster Oy
Overview →
Headline figures, risk assessment and company summary
Financials & key figures →
Revenue, EBITDA, balance sheet and 5-year trend
Related companies →
Corporate hierarchy, parent and subsidiary network