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ExTech Oy
OY
Dissolved
Y-tunnus 2364429-8
Kalevantie 2, 33100
Tampere
Computer consultancy and computer facilities management activities
·
NACE 6220
Est. 2010 · 15 years old
— employees
www.extech.fi
Share
Finland
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Companies
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Computer consultancy and computer facilities management activities
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ExTech 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)
HT
Heikki Tapio Tukiainen
Chief Executive Officer
Chief Executive Officer
2026
HK
Heikki-Johannes Korelin
Deputy Member
Deputy Member
2026
Former (4)
AK
Antti Kalervo Kauppila
Deputy Member
Deputy Member
2023 – 2025
LK
Lauri Kristian Kallaskari
Audit
Audit
2015 – 2022
IT
Ilkka Tapio Merimaa
Deputy auditor
Deputy auditor
2015 – 2025
NA
Niko Artturi Skyttä
Deputy Member
Deputy Member
2025 – 2026
Board of directors
Non-executive oversight
Name
Role
Member since
Former (2)
EJ
Eero Jussi Heiniö
Board of Directors
Board of Directors
2018 – 2023
JC
Johan Christoffer Nordström
Board of Directors
Board of Directors
2023 – 2026
Shareholders
As of last annual report
Shareholder
Type
Ownership
Votes
Since
Hygga Oy
Company
100%
100%
2023
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
