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About Us

Welcome to Tethys-Plantgeria Limited

Divers conducting underwater inspection
Tethys-Plantgeria Limited team working on offshore platform
Marine buoy installation project
Underwater welding operation

Who We Are

Tethys-Plantgeria Limited is a leading provider of comprehensive offshore and marine solutions with over 30 years of experience. We specialize in delivering innovative, safe, and environmentally responsible services to the global energy sector. Our certified team of marine engineers and diving experts is committed to excellence in every offshore project we undertake.

What We Do

We offer a full range of marine and offshore diving and ROV services including underwater inspections, pipeline installation and construction, platform maintenance and repair, and specialized support services. Our integrated approach ensures we meet the unique challenges of each project while maintaining IMCA and ISO safety and environmental standards.

Accreditations

Our Certifications

We maintain the highest industry standards through our comprehensive certifications and accreditations.

IMCA Certification Logo

International Marine Contractors Association

ISO 9001 Certification Logo

ISO 9001 Quality Management Certified

Lloyd's Register Certification Logo

Lloyd's Registered Approved Service Supplier

Shell Certification Logo

Shell Diving Center of Excellence

SON Certification Logo

Standard Organisation of Nigeria

Our Work

Recent Projects

Explore our portfolio of successful projects delivering innovative marine and offshore solutions.

Diving Services

Diving Services

Tanker Mooring Support

Tanker Mooring Support

Offshore platform maintenance work

Security Patrol Boat

30+
Years Experience
Global
Project Footprint
Diverse
Client Portfolio
Proven
Safety Commitment

Ready to discuss your project?

Our team of experts is ready to provide innovative solutions tailored to your specific offshore and marine needs.

Contact Us Today