Leading expertise in subsea services

Precision, safety
and quality in all operations

Undervannsentreprenøren (Uvann) is your reliable partner for underwater services. With extensive experience and advanced technology, we deliver safe and effective solutions for inspection, repair and maintenance.

Inspection, analysis and report

We perform approved underwater inspections with associated damage reports / condition analyses, thickness measurements of steel within shipping and in-onshore facilities.

Insurance and salvage

We perform everything within salvage and search. Our customers are insurance companies, public agencies and private clients.

Wires and pipes

Preliminary investigations / clearance, wiring / pipe work, post-inspections, repairs, securing, remediation. Our divers are Nemko certified in butt welding and electrofusion welding for welding pipes and pipe fittings made of (PP) and (PE).

Maritime construction

We have extensive experience with maritime construction work of all sizes, such as foundation work, dredging, formwork, casting, drilling, blasting, and more.

We are proud of the jobs we have done.

If you want to see what kind of jobs we have done in the past, you can look at our references.

See references

Recovered car at 10 meters depth tonight. Thanks to everyone involved for the good work

– Customer customer

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Geir Gregersen

General Manager
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Services