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Piison Oy
OY
Dissolved
Y-tunnus 2017785-8
Alppikylänkatu 18B-181, 00770
Helsinki
Plumbing, heat and air-conditioning installation
· NACE 4322
Est. 2006
0 employees
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Plumbing, heat and air-conditioning installation
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Piison Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
MA
Marika Anneli Holmberg
Deputy auditor
Deputy auditor
2006
JH
Juhani Henrik Savela
Audit
Audit
2006
Former (1)
HA
Heiner Aatos Havila
Deputy Member
Deputy Member
2017 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
HH
Harri Heiner Havila
Board of Directors
2017
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