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KO
Karl Oskar Hjalmarsson
Board of Directors, Gästrike byggentreprenad AB
Nedre Vägen 39
SE
4 active roles
Watchlist
Share
Overview
Companies & roles
Network
Active roles
4
directorships & management
Past roles
1
historical positions
Dissolved companies
0
in directorship history
Career timeline
2026 – now
Board of Directors, Sweepcon AB
2025 – now
Board of Directors, Trafficon AB
2022 – 2025
Board of Directors, GTM AB
2021 – now
Board of Directors, Gästrike byggentreprenad AB
2018 – now
Stakeholder, Oskar Hjalmarsson
Personal details
Nationality
SE
Address
Nedre Vägen 39
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
Co-directors & shared companies
Person
Role
Shared companies
Profile
PM
Per Martin Larsson
Chairman
2
companies
View profile
MG
Max Gustav Vestlund
Board of Directors
2
companies
View profile
KA
Karl Anders Jansson
Board of Directors
1
company
View profile
LJ
Lars Joel Hjalmarsson
Deputy Board Member
1
company
View profile
AC
Anna Carola Hellström
Deputy Board Member
1
company
View profile
Company network
Active roles
Karl Oskar Hjalmarsson
Gästrike byggentreprenad AB
Board of Directors
Trafficon AB
Board of Directors
Sweepcon AB
Board of Directors
Oskar Hjalmarsson
Stakeholder