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Green House Effect Oy
OY
Active
Y-tunnus 2413133-9
Läntinen Teollisuuskatu 10, 02920
Espoo
All other professional, scientific and technical activities n.e.c.
· NACE 7499
Est. 2011
48 employees
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Green House Effect Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
JM
Jaakko Markus Pesonen
Chief Executive Officer
Chief Executive Officer
2026
Former (4)
VS
Virva Sisko Kristiina Saarinen
Audit
Audit
2020 – 2022
HJ
Harri Juhani Saarinen
Audit
Audit
2014 – 2020
TJ
Tom Jonas Sandell
Audit
Audit
2022 – 2023
AO
Aarto Ossi Juhani Hirvi
Deputy auditor
Deputy auditor
2020 – 2022
Board of directors
Non-executive oversight
Name
Role
Member since
Current (2)
MH
Mikko Heikki Herman Sonninen
Chairperson
2018
OJ
Oula Juhani Harjula
Board of Directors
2018
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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