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
Organisation
Established
1987-12-15
Industry code
71.121
Legal form
AS
Group structure
Eier · 100.0%
JOACIM FLESJØ GRØNBERG
Company
JAN GRØNBERG EFTF. AS
1 subsidiaries
KOSTR INSTALLASJON AS
Industry and activity
- NACE
- 71.121 — Civil engineering activities
- Sector
- Private non-financial incorporated enterprises
- Activity
- Ingeniørtjenester. Ingeniør- og prosjektledertjenester innen byggeprosjekter. Konsulenttjenester innen IT. Elektrikertjenester. Reparasjon av datamaskiner.
Business address
Ordfører Utnes vei 10, 1580 RYGGE
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 15.06.2026.