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MeSi-yhtiö Oy
OY
Active
Y-tunnus 2910028-3
Oravanpiha 6, 24100
Salo
Business and other management consultancy activities
·
NACE 7020
Est. 2018 · 8 years old
— employees
Share
Finland
/
Companies
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Business and other management consultancy activities
/
MeSi-yhtiö 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)
AT
Arto Tapio Mustonen
Chief Executive Officer
Chief Executive Officer
2018
AT
Anssi Tapio Mustonen
Deputy Chief Executive Officer
Deputy Chief Executive Officer
2018
Former (1)
TO
Tuula-Riitta Ossa
Audit
Audit
2018 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Current (3)
AT
Arto Tapio Mustonen
Chairperson
Chairperson
2018
AT
Anssi Tapio Mustonen
Board of Directors
Board of Directors
2018
PM
Paula Maarit Mustonen
Board of Directors
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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Headline figures, risk assessment and company summary
Financials & key figures →
Revenue, EBITDA, balance sheet and 5-year trend
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Corporate hierarchy, parent and subsidiary network
