Civil engineering activities
JAN GRØNBERG EFTF. AS
Revenue 2024
NOK 35,000
Operating profit
NOK −91,000
Equity
NOK 410,000
Incorporated
1987
Share capital
NOK 600,000
Roles
Daglig lederJoacim Flesjø Grønberg
Regnskapsfører
Styrets lederJoacim Flesjø Grønberg
StyremedlemKari Flesjø Grønberg
Shareholders
| Name | Stake | Shares | Year |
|---|---|---|---|
| JOACIM FLESJØ GRØNBERG | 100.0% | 60.000000 | 2025 |
Holdings in other companies
| Company | Status | Stake | Shares |
|---|---|---|---|
| KOSTR INSTALLASJON AS | Active | 40.0% | 12000.000000 |
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.