HARSTADBYGG ENTREPRENØR AS
HARSTADBYGG ENTREPRENØR AS is registered as a limited company in Harstad, Troms with organisation number 989822780. The business is classified under construction of residential and non-residential buildings (NACE 41.000). The company was incorporated in 2006 and has 73 registered employees. Registered share capital is NOK 2.0m, divided into 2050 shares. The company's stated purpose is: “Entreprenørvirksomhet, omsetning av fast eiendom, prosjektutvikling, samt annen virksomhet som naturlig faller inn under dette, herunder deltagelse i andre selskaper.”. The most recent filed accounts, for the 2025 financial year, show NOK 275.9m in revenue and NOK 1.4m in operating profit.
Former names: HARSTADBYGG AS
Key figures · 2025
Financial health · 2025
Who owns HARSTADBYGG ENTREPRENØR AS?
HARSTADBYGG ENTREPRENØR AS has 1 registered shareholder:
- KRONSTEIN ENTREPRENØR AS 100.0%
Group structure
HARSTADBYGG ENTREPRENØR AS er morselskap for 17 datterselskaper:
- KRONSTEIN EIENDOM AS 100%
- KRONSTEIN ELEMENT AS 100%
- KRONSTEIN ENTREPRENØR AS 100%
- XL-BYGG HARSTAD AS 100%
- XL-BYGG MYRE AS 51,0%
- XL-BYGG SORTLAND AS 100%
- AS STOKMARKNES SØNDRE 100%
- EVENSKJER SYD AS 100%
- HALLA BOLIGPARK AS 100%
- HARSTADBYGG ENTREPRENØR AS 100%
- KAI OG ANLEGG ENTREPRENØR AS 54,0%
- KEI BOLIGBYGGING AS 100%
- LAMARKA BOLIG AS 100%
- SE-BYGGSERVICE AS 100%
- SORTLAND ENTREPRENØR AS 100%
- VESTMARKA EIENDOM AS 100%
- BØRØYA BRYGGE AS 100%
Frequently asked questions about HARSTADBYGG ENTREPRENØR AS
Who owns HARSTADBYGG ENTREPRENØR AS?
KRONSTEIN ENTREPRENØR AS is the largest registered owner, with 100.0%.
What is the revenue of HARSTADBYGG ENTREPRENØR AS?
HARSTADBYGG ENTREPRENØR AS had revenue of NOK 275.9m in 2025.
Who is the general manager of HARSTADBYGG ENTREPRENØR AS?
Martin Mathisen is registered as general manager of HARSTADBYGG ENTREPRENØR AS.
Where is HARSTADBYGG ENTREPRENØR AS based?
HARSTADBYGG ENTREPRENØR AS has its business address in Harstad.
Property
4 companies are registered at this address.
The address this company is registered at, from the company register and matched against the cadastre. It does not say who owns the property — a company may be a tenant, and the address is often its accountant's. Source: Brønnøysundregistrene and © Kartverket.
Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 02.09.2026.