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OAT Oy
OY
Dissolved
Y-tunnus 0915560-7
Tyrnäväntie 16, 90400
Oulu
Electrical installation
·
NACE 4321
Est. 1993 · 33 years old
68 employees
www.oat.fi
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OAT Oy
Overview
Financials
People & ownership
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People & ownership
Management
Actively employed in the business
Name
Role
Member since
Current (1)
JT
Jaakko Tuomas Tähtinen
Confidential Clerk
Confidential Clerk
2023
Former (3)
MT
Mika Tuomas Kemppainen
Audit
Audit
2011 – 2019
JT
Jari Tapani Nurkkala
Deputy auditor
Deputy auditor
2011 – 2019
KL
Kirsi Leena Kyllikki Kontro
Audit
Audit
2019 – 2023
Board of directors
Non-executive oversight
Name
Role
Member since
Current (3)
LK
Leena Kaarina Arimo
Board of Directors
Board of Directors
2023
MT
Marko Tapani Holopainen
Chairperson
Chairperson
2023
JP
Jonas Per Gustav Björkskog
Board of Directors
Board of Directors
2023
Former (3)
HT
Harri Tuomas Tähtinen
Board of Directors
Board of Directors
2018 – 2021
TJ
Teemu Juhani Honkonen
Board of Directors
Board of Directors
2018 – 2020
KJ
Kari Juhani Kallio-Kokko
Board of Directors
Board of Directors
2018 – 2023
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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Revenue, EBITDA, balance sheet and 5-year trend
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Corporate hierarchy, parent and subsidiary network