Allseas embodies dynamism, rapid progress and a pioneering spirit, consistently pushing the boundaries of offshore innovation and turning bold ideas into cutting-edge solutions that adapt to the ever-evolving energy landscape. Our fleet of record-breaking construction and support vessels, designed and optimised in-house, exceeds the limits of what’s possible above and below the water’s surface.

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Pioneering Spirit

Pioneering Spirit

The world’s largest and most versatile construction vessel, represents a step change in offshore engineering.
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Solitaire_Hoofdbeeld

Solitaire

One of the world’s most advance pipelay vessels, consistently setting new standards in pipeline installation.
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Audacia_Hoofdbeeld

Audacia

Our most versatile pipelay vessel, optimised for a wide range of installation scopes in all water depths.
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Lorelay

Lorelay

The world’s first DP pipelay vessel, delivering unmatched performance and reliability over 4 decades at sea.
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Sandpiper

Sandpiper

Fully automated anchor-positioned pipelay barge for high-performance shallow water construction operations.
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Hidden Gem

Hidden Gem

The world’s first deep-sea mineral production vessel with seabed-to-surface nodule collection and transport systems.
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Offshore construction vessel

Fortitude

Advanced offshore support vessel enhanced for complex deep-water installation and construction operations.
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Oceanic-1

Oceanic

State-of-the-art offshore construction support vessel, excelling in jumper, umbilical and subsea structure installations.
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Iron Lady

Barges

Purpose-built barges to support our record-breaking platform removal and installation operations.
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PS and Felicity

Pipe supply vessels

Dynamic positioned offshore supply vessels, providing a seamless, continuous flow of line pipe and project materials.