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STW Sealing Teamwork Oy
OY
Active
Y-tunnus 2424011-3
Loukkurantie 6A, 28450
Vanha-Ulvila
Construction of residential and non-residential buildings
· NACE 4100
Est. 2011
— employees
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Finland
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Companies
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Construction of residential and non-residential buildings
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STW Sealing Teamwork Oy
Overview
Financials
People & ownership
Related companies
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
JS
Joni Santeri Martikainen
Deputy Member
Deputy Member
2018
JV
Juha Valtteri Martikainen
Chief Executive Officer
Chief Executive Officer
2011
Former (1)
MA
Markku Aulis Leino
Audit
Audit
2015 – 2025
Board of directors
Non-executive oversight
No data on file.
Shareholders
As of last annual report
No shareholder data available.
Beneficial ownership (UBO) data access is restricted in Denmark as of September 2025 per the EU 6th AML Directive.
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Corporate hierarchy, parent and subsidiary network
