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4Subsea AS

4Subsea is a Norwegian technology company specialised in production riser systems and subsea well systems. We deliver solutions to maintain production from subsea oil and gas fields, enabling cost reduction and increased service life of existing installations. We also provide our specialist services within offshore wind turbines and wave power systems. 4Subsea combines expert knowledge and practical experience with software and instrumentation to optimise operation of production risers and subsea wells, aiming to be in the forefront of digitising the oil and gas industry. The company was established in 2007, and clients include all the major oil and gas operators as well as the large suppliers of subsea equipment. 4Subsea has offices in Oslo, Bergen, Kristiansand, and Trondheim.

4Subsea AS is registered in the following categorie(s)

  • Support Services
    • Consultancy
    • Manufactures and Equipment providers
      • Controls and Measurements (Instrumentation, Communication, Automation, Software etc.)
      • Engineering and Construction services
      • Risers and Flow lines
      • Umbilical
    • Marine Operations / Service
      • Inspection, Maintenance and Repair (IMR)
    • Material and Chemicals
      • Non-Metal Materials (Plastics, composites, etc.)
      • Steel and Metal Materials
    • Oil and gas exploration and field development
      • Drilling Equipment, Well Services and Intervention
  • Address: Nordåsdalen 25
  • Phone: + +47 66 98 27 00
  • Email:
  • Visiting address: Nordåsdalen 25
  • Flere enn 10 employees
  • GCE Subsea member
Update Company information (Last updated on 29/08/2016)

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Subsea Index owner:

GCE Subsea
Subsea Index partners:

Hordaland fylkeskommuneUTFEspiritosantoONIPACIMSubsea Energy AustraliaFIESPGoverno Do Rio de Janeiro (SEDEIS)NCE Instrumentation