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Antti Matti Tapio Koistinen

Board of Directors, Kiinteistö Oy Tahkon Kiljusenkallionsauna

FI4 active roles

Overview Companies & roles Network

Companies & roles

Active roles

4 positions

Company	Role	Period	Ownership	Status
Kiinteistö Oy Tahkon Kiljusenkallionsauna CVR 1603010-8	BoardBoard of Directors	Since 2025	—	Active
GURU SECURITY OY CVR 2511528-5	OtherPerson with significant control	Since 2022	—	Active
Tmi Antti Koistinen SPORT CVR 2956901-4	OtherStakeholder	Since 2018	—	Active
A&A Koistinen Consulting Oy CVR 3403380-4	BoardBoard of Directors	Since 2023	—	Active

Historical roles

2 positions

Company	Role	Period	Ownership	Status
Mainostamo Oy CVR 1901915-8	BoardChairperson	2023 – 2025	—	Active
Joensuun Mainospiste Oy CVR 3174488-9	BoardChairperson	2020 – 2025	—	Active

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