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Private company

Dr.Techn.Olav Olsen

Dr.Techn.Olav Olsen is a limited company registered in Norway, founded in 1962, part of ARTELIA HOLDING.1 It is headquartered in Lysaker.1 It employed 177 people in 2026.1

Dr.techn. Olav Olsen AS er et norsk rådgivende ingeniørfirma innen fagområdene bygg, konstruksjon, marin teknikk, geo- og miljøteknikk, hydrologi og vvs. Firmaet ble grunnlagt i 1962, og har 160 ansatte per 2026. Hovedkontoret ligger i Strandveien 18 på Lysaker, og det er i tillegg kontorer i Bergen, Trondheim og Ålesund. Selskapet er heleid av Artelia, et fransk ingeniørselskap.2 From the Norwegian Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1962Founded1
  • HeadquartersLysaker, Norway1
  • Websitewww.olavolsen.no/en
  • Legal formaksjeselskap1
  • LEI549300URDUS2EGQOYT673
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressStrandveien 18, 1366 Lysaker, Norway3
  • Registered withThe Brønnøysund Register Centre, 981 124 6263

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Corporate structure

Dr.Techn.Olav Olsen is part of a group headed by ARTELIA GLOBAL. 6 entities, 4 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • ARTELIA GLOBAL Saint-Ouen-Sur-Seine, France
    • ARTELIA HOLDING Saint-Ouen-Sur-Seine, France
      • Dr.Techn.Olav Olsen Lysaker, Norway
      • ARTELIA CONSULTING ENGINEERS LIMITED Subsidiary · 99.9% · Chennai, India
      • ARTELIA Subsidiary · Saint-Ouen-Sur-Seine, France
      • ARTELIA ITALIA S.P.A. Subsidiary · Roma, Italy

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company (GLEIF)

Ultimate parent

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Employees over time

  • 20261771

Timeline

  1. May 14, 2026Parent Directly consolidated by ARTELIA HOLDING3
  2. 1962Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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