Data from the official company registers of 12 countries. Not an official register.

English

Ing. Karsten Hjertholm

Age31 years
older than 94% of its sector
Same activity, Norway6,881live companies · 385th oldest
In Klokkarvik243live companies · 4 in the same activity
At this address1only this company

In brief

Ing. Karsten Hjertholm is a sole proprietorship founded on 27 April 1995. At 31 years old it is older than 94% of the 6,881 live companies whose main activity is civil engineering activities. Its registered office is in Klokkarvik, Øygarden, Vestland. 4 live companies in Klokkarvik share the same main activity.

Register details

Registered nameING. KARSTEN HJERTHOLM
Organisation number974352494
Company typeSole proprietorship (ENK)
Registered officeKlokkarvik
Nature of business (SN2025, Norwegian SIC)71.121 Civil engineering activities
International sector (ISIC Rev.4)M · 71 Architectural and engineering activities; technical testing and analysis

Timeline

Register events, newest first.

  • Registered

Register entries

From the register.

Incorporated27 April 1995
Registered27 April 1995
VAT registerNot registered

Civil engineering activities in Norway

Live companies whose main activity is 71.121: 6,881 in total, median age 7 years, 529 incorporated in the past 12 months.

All 6,881 companies
This company's decadeOther decades
01,0002,0003,0004,0001930s: 111930s1950s: 221950s1960s: 551960s1970s: 23231970s1980s: 1071071980s1990s: 5285281990s2000s: 8728722000s2010s: 2,0982,0982010s2020s: 3,2453,2452020s
Incorporated per year, still live
02004006008002011: 9620112012: 1932013: 20620132014: 2142015: 19420152016: 2152017: 26520172018: 2182019: 40220192020: 4262021: 41620212022: 4392023: 52020232024: 5102025: 50320252026: 431

Location

Registered office in Klokkarvik, Øygarden, Vestland.

Live companies in Klokkarvik243
Same activity in Klokkarvik4
Live companies in Øygarden6,345
New in Klokkarvik, past 12 months20

Similar companies

Live companies with the same main activity, nearest first.

Compare all

Sources

Register data: Enhetsregisteret, Brønnøysund Register Centre (Norwegian Licence for Open Government Data, NLOD), delivery of 20 October 2026. Industry codes and names: Statistics Norway (CC BY 4.0). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the entry in Enhetsregisteret before relying on it.