Highly specialised vessels for charter

With dedicated crews operating worldwide

Welcome to Seafast Maritime

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Our Vessels

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View Vessels

Our Sister Companies

Caldive, has the right people, skills and equipment to successfully deliver projects of any size in the oil and gas, renewables, marine, shipping and civil engineering industries.

At Seafast we work closely with Caldive and are able to supply our vessels for marine projects helping to create long-term relationships with a diverse range of clients, including commercial organisations, companies and government agencies.

Caldive don't just operate within UK waters and have worked with some of the largest main contractors and blue-chip clients worldwide, earning them and ourselves an enviable reputation for high-quality, safe work.

Subsea Testing and Evaluation (UK) offers marine support services, delivering cutting-edge solutions to Renewable, Defence, Offshore and Marine Industries.

With a focus on safety, efficiency, and reliability, they specialise in subsea equipment testing, for all sectors, ensuring optimal performance in challenging underwater environments. An experienced team offers comprehensive marine support, including ROV operations, diving services, mooring installations for marinas and aquaculture.

Backed by advanced technology and a commitment to excellence, STE helps clients succeed in complex subsea testing projects worldwide.