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W. Giertsen AS

The management company of W.Giertsen Group

W. Giertsen Vannteknologi

Innovative solutions for cleaning of watertunnels & basins

W. Giertsen Energy Solutions

Solar powered solutions for the developing world

W. Giertsen Venture

Property development, operation & management

W. Giertsen Tunnel

Specializing in waterproofing of tunnels and rock caverns

W. Giertsen Affiliated Companies

Hallspesialisten AS & LAP SRL


W.Giertsen is a family-owned Norwegian industrial group of companies committed to development of businesses and value-creating ownership based on deep customer understanding, practical solutions and sound engineering