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Proextra Oy
OY
Dissolved
Y-tunnus 2913731-8
Tehtaankatu 14C-1423, 00140
Helsinki
Temporary employment agency activities and other human resource provisions
· NACE 7820
Est. 2018
— employees
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Temporary employment agency activities and other human resource provisions
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Proextra Oy
Overview
Financials
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
KK
Kari Kristian Koponen
Chief Executive Officer
Chief Executive Officer
2023
Former (5)
TH
Tomi Henrik Kolhinoja
Deputy Member
Deputy Member
2019 – 2023
NK
Nina Katriina Koiranen
Chief Executive Officer
Chief Executive Officer
2020 – 2023
VT
Vesa Tapio Kolhinoja
Deputy Member
Deputy Member
2018 – 2019
MK
Markus Kristian Kolhinoja
Chief Executive Officer
Chief Executive Officer
2020 – 2020
HJ
Henriikka Julia Koiranen
Deputy Member
Deputy Member
2023 – 2026
Board of directors
Non-executive oversight
Name
Role
Member since
Former (1)
KM
Karri Matinpoika Wirén
Board of Directors
2019 – 2022
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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