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Karlsen & Nordseth Entreprenør

Building contractor for heritage rehabilitation, roofing, facades and new builds in Oslo and eastern Norway

Hagan, NorwayFounded 2002karlsen-nordseth.noWebsite technologies

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About Karlsen & Nordseth Entreprenør

Karlsen & Nordseth Entreprenør AS is a building contractor specialising in antikvarisk rehabilitering (heritage rehabilitation). Its services include roofing and facade work, rigging contracts, site rigging and operation, and new construction.

The company says it works mainly with large property owners and public sector clients, and it also carries out property development in its own name.

Founded in 2002, the company is registered in Hagan, Norway. Its website describes it as a medium-sized contractor active in Oslo and the central Eastern Norway region.

Product: Heritage building rehabilitation, roofing and facade work, site rigging and operation, and new construction.

Public tenders won

4 tenders won since 1 Jan 2024 from 3 public buyers in Norway, worth 523.8M NOK as awarded. From EU award notices (TED) that name Karlsen & Nordseth Entreprenør by its registry number.

  • 22 Jul 2026 Frogn kommune · Construction contractor services, framework agreement. notice
  • 17 Jul 2026 Universitetet i Oslo · RA trade services notice
  • 12 Mar 2026 Helse Sør-Øst RHF · Contract Contract 1003 Joint rigging and operation framework - New Aker · 320.4M NOK notice
  • 20 Oct 2025 Helse Sør-Øst RHF · Contract Contract 1011 Rigging & operations - New Rikshospitalet · 203.4M NOK notice

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Jobs at Karlsen & Nordseth Entreprenør

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Website technologies

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Content delivery

  • FastlyHigh confidence
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Content management

  • WixHigh confidence
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Frontend frameworks

  • ReactMedium confidence
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Monitoring

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