Ad hoc and travel personnel
All types of mechanical work when the need arises. Our experienced people communicate with the customer and repair hulls, machinery, propulsion systems, cranes and all other systems on ships, rigs and rafts.
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Expertise at short notice
Welding and mechanical services at short notice. Welding and ship mechanics are the bedrock of GMC's service range. Our welders and mechanics are ready to deliver solutions 24/7 – no matter the challenge.
Plate and weld
We offer ad hoc repairs of steel structures, decks and piping systems with a focus on durability and fast response time. Our experienced tradesmen handle complex structural challenges in line with current welding standards.
Mechanical
Our mechanics have solid experience in repairing and replacing propulsion systems, thrusters, engines and pumps on ships and rig installations. We offer troubleshooting, emergency repairs and preventive maintenance that helps reduce downtime. Our customers choose us because we combine technical expertise with fast and reliable delivery, adapted to demanding operating environments.
Tube
We carry out conversion, repair and maintenance of all types of piping systems, regardless of material or dimension. Our plumbers have experience from demanding projects on ships, in the offshore industry and on land facilities.
Hydraulics and cylinders
We offer rebuilds and repairs of hydraulic systems and cylinders. We are specialists in everything within cylinders – from troubleshooting and overhaul to full replacement.
Mobilization and demobilization
We offer mobilization assignments 24/7–365 with experienced and specialized personnel in welding, rigging, electrical, mechanical, hydraulics, NDT, refrigeration technicians, access technicians, scaffolding, crane and lifting. Our ISO 9606-certified welders and multidisciplinary teams ensure efficient and safe execution. With fully equipped mobilization containers, service vehicles and stocked sea fastening materials, we are always ready for a quick response. We deliver complete, multidisciplinary solutions – from inspection to finished installation.
Travel staff
We provide experienced travel personnel operating both offshore and internationally, ready for assignments all over the world. Our skilled workers follow all applicable standards for quality and safety.

GMC Maritime has the following ISO certifications:
- ISO 9001:2015
- ISO 14001:2015
- ISO 45001:2023
- ISO 3834-2
-Achilles
- MagnetJQS
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 Maritime AS
GMC Maritime is located at Mekjarvik Base and offers a wide range of services within ship repair, maintenance, rig service and production for the maritime industry.
The business is both onshore and offshore. The company's expertise is in welding, mechanical work, steel and piping systems - with repair and modification of ships and rigs, prefabrication of steel structures, mobilization and demobilization.
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.






