Private · Person · registered roles
Joacim Flesjø Grønberg
Active in 6 companiesCEO · Chair · Board memberMoss
↳ Brreg · company_people
Role timeline
CALLSEC Joacim Grønberg
Innehaver
Kostr AS
Daglig leder
Kostr AS
Styrets leder
Pedmaster AS
Styrets leder
Kostr Powered By Deas AS
Styremedlem
Jan Grønberg Eftf. AS
Styrets leder
Kostr Installasjon AS
Styrets leder
since 2017 · bars start at the registry's change date — full periods are not published
Across their companies6 · rolled up
Combined revenue
kr 9.17M +
Tenders won
0
Status
not all active
Reach
4 industries
Brreg roles + Regnskap · rolled up across their companies — includes historical roles
Reach by industry
Electrical installation
2
Civil engineering activities
1
Other specialised design activities
1
Other construction installation
1
Wired, wireless, and satellite telecommunication activities
1
Recent role changes
2026-02-23Became Styrets leder — Kostr Installasjon AS
2026-02-10Became Styrets leder — Jan Grønberg Eftf. AS
2026-01-05Became Styremedlem — Kostr Powered By Deas AS
2025-12-09Became Styrets leder — Pedmaster AS
2025-07-22Became Styrets leder — Kostr AS
Signals
Multiple boardscurrent board roles at 2+ companies
computed from Brreg roles