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Karsten Tonning

ActiveOrganisation number 978690084Sole proprietorshipEst. 199741.000 · Construction of residential and non-residential buildingsGarnes, Vestland
Official record ↗
Age29 years
older than 90% of its sector
Same activity, Norway25,348live companies · 2637th oldest
In Garnes213live companies · 9 in the same activity
At this address1only this company

In brief

Karsten Tonning is a sole proprietorship founded on 11 July 1997. At 29 years old it is older than 90% of the 25,348 live companies whose main activity is construction of residential and non-residential buildings. Its registered office is in Garnes, Bergen, Vestland. 9 live companies in Garnes share the same main activity.

Register details

Registered nameKARSTEN TONNING
Organisation number978690084
Company typeSole proprietorship (ENK)
Registered officeGarnes
Nature of business (SN2025, Norwegian SIC)41.000 Construction of residential and non-residential buildings
International sector (ISIC Rev.4)F · 41 Construction of buildings

Timeline

Register events, newest first.

  • Entered in the Register of Business Enterprises
  • Registered

Register entries

From the register.

Incorporated11 July 1997
Registered11 July 1997
VAT registerRegistered

Construction of residential and non-residential buildings in Norway

Live companies whose main activity is 41.000: 25,348 in total, median age 8 years, 1,940 incorporated in the past 12 months.

All 25,348 companies
This company's decadeOther decades
05,00010,00015,00020,0001920s: 11920s1930s: 21930s1940s: 21940s1950s: 61950s1960s: 141960s1970s: 511970s1980s: 3211980s1990s: 2,7241990s2000s: 3,6402000s2010s: 8,0982010s2020s: 10,4892020s
Incorporated per year, still live
05001,0001,5002,0002011: 58020112012: 8102013: 69120132014: 8072015: 81620152016: 8542017: 90220172018: 9472019: 1,20820192020: 1,3332021: 1,45620212022: 1,4472023: 1,34720232024: 1,4762025: 1,78820252026: 1,642

Location

Registered office in Garnes, Bergen, Vestland.

Live companies in Garnes213
Same activity in Garnes9
Live companies in Bergen57,249
New in Garnes, past 12 months21

Similar companies

Live companies with the same main activity, nearest first.

Compare all
BH
Byggmester Heggland ASRådal, Vestland
Number 978707971Est. 1997
KB
Kårdal Bygg og VedlikeholdFyllingsdalen, Vestland
Number 977460921Est. 1997
S
Svalinn ASLoddefjord, Vestland
Number 977379415Est. 1997
KU
Kuw Ulf WollingerBergen, Vestland
Number 979370199Est. 1997
RB
Rønnestad & Bjørsvik ASHylkje, Vestland
Number 979487754Est. 1997
BB
Byggmester Brødrene Foss ASSøreidgrend, Vestland
Number 979564287Est. 1997

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.