About Us

Nautilus Subsea provides innovative tie-in systems and bespoke engineering solutions. From concept to offshore installation, our field-proven expertise ensures safe, efficient, and robust performance for greenfield and brownfield subsea projects.

Who We Are

Nautilus Subsea is a product, engineering and EPC company specialising in subsea and tie-in solutions. Its proprietary, field-proven H-Mode horizontal tie-in system covers sizes from 4″ to 36″ and is suitable for flexible lines and risers, rigid pipelines and spools, and PLRs.

Our team has comprehensive experience across all key project phases, from concept development and FEED studies through detailed design and engineering, to fabrication follow-up and offshore installation and supervision. This end-to-end involvement ensures designs that are not only technically sound, but also practical and efficient to execute offshore.

Trusted by Industry Leaders

Our Solutions

H-mode Tie-in system

The H-mode tie-in technology is patented and field-proven subsea tie-in system for 4″–36″ lines, applicable to rigid spools, flexible lines, PLRs, and export lines.

Subsea Structures

Nautilus Subsea provides engineered subsea structures tailored to each field, combining technical expertise with practical fabrication and installation experience to ensure full functionality throughout the entire product lifecycle.

Bespoke & IMR Solutions

Nautilus Subsea delivers tailored subsea structures engineered for strength, functionality, and buildability. By combining deep technical knowledge with real-world fabrication and installation insight, we create solutions that perform — and last.

Tools and accessories

Taylor made for complex subsea tasks, Nautilus Subsea tools deliver reliable performance in tight offshore environments. We prioritize safety, simplicity, and flexible hydraulic or electrical operation.