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Supu Oy
OY
Active
Y-tunnus 1089174-0
Sammonkatu 4A-414, 40100
Jyväskylä
Other specialised construction activities n.e.c.
·
NACE 4399
Est. 1997 · 29 years old
— employees
Share
Finland
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Companies
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Other specialised construction activities n.e.c.
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Supu Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
HJ
Harri Jarmo Olavi Jäppinen
Chief Executive Officer
Chief Executive Officer
1997
Former (3)
AM
Anna Minna Tontti
Deputy Member
Deputy Member
2004 – 2020
KI
Kari Ilmari Collan
Audit
Audit
2004 – 2022
SH
Sirpa Helena Koponen
Deputy auditor
Deputy auditor
2004 – 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
