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Håkan Mattias Byström
HM
Håkan Mattias Byström
Deputy Board Member, JOST Umeå Aktiebolag
Sjöfruvägen 17
SE
4 active roles
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Companies & roles
Active roles
4 positions
Company
Role
Period
Ownership
Status
JOST Umeå Aktiebolag
CVR 5560810482
Board
Deputy Board Member
Since 2025
—
Active
Sweholl AB
CVR 5565877874
Board
Board of Directors
Since 2023
—
Dissolved
JOST Holding Umeå Aktiebolag
CVR 5568429723
Board
Deputy Board Member
Since 2020
—
Active
Hyva Nordic AB
CVR 5591609432
Board
Board of Directors
Since 2026
—
Active
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