A robust, Norwegian industrial group of companies

Committed to develop businesses and value-creating ownership

Discover our companies

Based on deep customer understanding, practical solutions and sound engineering we create commited and value-creating companies

W. Giertsen AS constantly strives for developing and improving new business – always based on our values and heritage. Both supporting and challenging our subsidiaries, our group functions work closely with local management to improve customer satisfaction and create sustainable, long term value.

We offer a wide palette of solutions via 8 group companies. As a group we can serve more customers´ needs. As long term owners we hedge our positions with presence in complementing industries.

W. Giertsen AS

The management company of W.Giertsen Group

W. Giertsen
Energy Solutions AS

Solar powered solutions

W. Giertsen 
Tunnel AS

Specializing in waterproofing of tunnels and rock caverns

W. Giertsen 
Vannteknologi AS

Innovative solutions for cleaning of watertunnels & basins

W. Giertsen
Ventures AS

The management company of W.Giertsen Group

Affiliated Companies

AG Tunnel AS & LAP SRL
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A robust, Norwegian industrial group of companies committed to develop businesses and value-creating ownership

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