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Prover Oy
OY
Active
Y-tunnus 1635892-0
As. 23, 60100
Seinäjoki
Business and other management consultancy activities
·
NACE 7020
Est. 2000 · 25 years old
— employees
Share
Finland
/
Companies
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Business and other management consultancy activities
/
Prover Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (2)
PH
Piia Helena Tulisalo
Chief Executive Officer
Chief Executive Officer
2021
EJ
Erkki Juhani Petäjä
Deputy Member
Deputy Member
2021
Former (1)
MA
Mika Antero Tulisalo
Deputy Member
Deputy Member
2007 – 2021
Board of directors
Non-executive oversight
Name
Role
Member since
Current (1)
PH
Piia Helena Tulisalo
Board of Directors
Board of Directors
2021
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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More on Prover Oy
Overview →
Headline figures, risk assessment and company summary
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Revenue, EBITDA, balance sheet and 5-year trend
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Corporate hierarchy, parent and subsidiary network
