Modification and upgrade
The dock is the perfect time for upgrades. We offer multidisciplinary capacity and project management – ensuring your vessel is rigged for the future.
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Custom modifications in dry dock
We carry out complete modification assignments while the vessel is in dock.
Structural changes
We carry out shortening, lengthening, strengthening or replacement of steel structures.
System upgrades
We upgrade and replace HVAC systems, electrical systems, mechanical systems and pumps.
New installation
We install new technical equipment and systems tailored to the customer's specifications and the classification society's requirements.
Prefabrication and engineering
We design, manufacture and install to measure – efficiently and documented.
Coordination of subjects
We coordinate all disciplines such as electrical, mechanical, piping and surface for an efficient and comprehensive implementation.

GMC Yard has the following ISO certifications:
- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2023
-Achilles
- Magnet JQS
GMC provides a wide range of shipping services, always in accordance with classification rules.
We follow the certification authorities for efficient approval with a focus on cost-effectiveness. The classification work includes engine, propulsion systems, hull, tanks, surface, propeller and rudder system. We carry out the work at our own shipyard or quay, and our professionals also travel to customers – 24/7-365 worldwide.

GMC Yard AS
The shipyard at Buøy in Stavanger consists of workshop halls, dry docks and quay facilities.
GMC has its own teams in welding, mechanical work, surface and piping. This enables us to deliver in a coordinated and efficient manner – without waiting for external teams.
Contact us
Fill out the contact form or contact one of our contact persons directly for quick follow-up.
For general inquiries, you can also call our main number, +47 51 84 80 00, which after regular business hours will be transferred to our 24-hour emergency line.





