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Karl Oskar Hjalmarsson
KO
Karl Oskar Hjalmarsson
Board of Directors, Gästrike byggentreprenad AB
Nedre Vägen 39
SE
4 active roles
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Companies & roles
Active roles
4 positions
Company
Role
Period
Ownership
Status
Gästrike byggentreprenad AB
CVR 5592481492
Board
Board of Directors
Since 2021
—
Active
Trafficon AB
CVR 5595157958
Board
Board of Directors
Since 2025
—
Active
Sweepcon AB
CVR 5595804542
Board
Board of Directors
Since 2026
—
Active
Oskar Hjalmarsson
CVR 9207174534
Other
Stakeholder
Since 2018
—
Active
Historical roles
1 positions
Company
Role
Period
Ownership
Status
GTM AB
CVR 5594100736
Board
Board of Directors
2022 – 2025
—
Active
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