Partners in fabrication
Leaders in special structures and systems

Allseas Fabrication specialises in the fabrication of high-class, complex steel subsea structures and equipment for the offshore energy market


+31 88 268 5420

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Allseas Fabrication

Allseas Fabrication specialises in the delivery of high quality, custom fabricated steel structures, equipment and components. Utilising multidiscipline “one stop shop” capabilities and leveraging the benefits of our “engineering-to-order approach”, we turn complex designs into specialist products that consistently meet and exceed the expectations of our clients.

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Knowledge & services

We offer extensive in-house knowledge of innovative offshore pipelay, construction and heavy lift fabrication solutions. Our team of experienced tradesmen are supported throughout the fabrication process by QA/QC, safety and integrated project management teams.

Our services cover the entire production cycle, from design and engineering through to fabrication, assembly, testing and inspection. Thanks to our integrated, personal approach, our solution to your problem lies under one roof.

Leaders in specialised high-grade steel structures and systems


We support the offshore, maritime and energy industries with a broad range of fabrication services and products. Our extensive portfolio spans custom-built subsea structures and machinery, heavy lift and hoisting equipment, pipelay handling and inspection equipment, and components for offshore pipelay, construction, subsea support and supply vessels.

Subsea equipment

We offer clients access to our in-house engineering team with vast experience and expertise in the design and fabrication of subsea pipeline and...

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Heavy lifting equipment

Our creative engineering and fabrication services deliver custom-made heavy lift and transport equipment and solutions for the offshore, maritime and...

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Innovative maritime equipment

Leveraging our offshore expertise, we engineer tailor-made maritime solutions to meet and exceed your expectations. From subsea pipeline burial and...

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Vessel components

We offer extensive engineering and manufacturing services for components for offshore pipelay, subsea construction, support and supply vessels, from...

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