About Us
Trusted Marine Support Across Indonesia
PT Amanah Segara Abadi (ASA) Marine Services is a privately owned Indonesian company providing reliable, compliant, and efficient marine solutions across all major Indonesian ports and anchorages.
The name Amanah Segara Abadi reflects our founding values:
Amanah – Trustworthiness
Segara – Ocean
Abadi – Everlasting
This isn’t just a name. It’s our commitment to becoming your long-term partner in the ocean. Trusted, enduring, and dependable.
Established in 2018 and based in Semarang, ASA specializes in underwater cleaning and inspection, salvage services, marine surveys, spare parts supply, and vessel husbandry. Our team brings over 50 years of combined hands-on experience, trusted by shipowners, operators, and agents across the maritime industry.
We operate with one clear goal:
To keep vessels moving safely, smoothly, and in full compliance, from Indonesian waters to international destinations.
Vision
To be your trusted partner in maritime solutions — delivering expert underwater cleaning and inspection, reliable salvage services and marine surveys, efficient spare part supply, and comprehensive vessel husbandry services across Indonesia.
We are committed to providing top-tier service powered by advanced technology and a highly professional team, ensuring vessels receive timely, effective, and dependable support at every port of call.
Mission
- Service Excellence: Deliver top-tier underwater and vessel services that meet classification society and biosecurity requirements, using certified divers, modern tools, and proper documentation.
- Operational Readiness: Support vessel owners and operators in maintaining clean, compliant, and performance-optimized ships, minimizing delays and downtime.
- Relationship-Focused: Foster long-term partnerships by being accessible, responsive, and grounded in trust and clear communication.
- Safety and Integrity: Uphold strict standards of work safety, transparency, and full regulatory compliance at every step.
Why Choose ASA Marine Services?
At PT Amanah Segara Abadi (ASA) Marine Services, we protect your performance, your timelines, and your trust. Here’s what sets us apart:
➤ Precision Cleaning, Backed by Tools That Matter
We deploy a full range of specialized brushes from nylon and polypropylene for gentle coatings, to flat wire steel, stainless steel, and grit brushes for tougher fouling, all the way to barnacle cutters and heavy-duty rebuildable brushes for extreme cases.
This lets us adapt to:
- Your vessel’s coating type
- The fouling severity
- Classification & regulatory constraints
Result? Thorough cleaning without coating damage, and fuel efficiency restored.
We also invest in best-in-class underwater technology to reduce diver fatigue, improve speed, and ensure the safety and integrity of every job.
Want to learn more about our equipment? → Explore Our Tools & Technology
➤ Local Reach, Global Readiness
With full coverage across Indonesian waters, ASA is positioned at the strategic gateway to Australia and Asia-Pacific — making us the ideal cleaning partner for vessels en route to regulated destinations.
➤ Certified Divers. Trusted Tools. Proven Results.
Our team combines 30+ years of experience with international-class certifications and modern equipment like the BrushKart Double Head, HD underwater cameras, and precision cutting tools.
➤ Rapid Response, 24/7 Coordination
Emergencies don’t wait — and neither do we. ASA is known for fast mobilization, clear communication, and job readiness — even in remote anchorages.
➤ Transparent Reports. No Guesswork.
Every job is documented with clear photos/videos and professional reports to support:
- Biofouling compliance
- Insurance and survey records
- Class approvals (UWILD-ready)
➤ Built on Everlasting Trust
True to our name — Amanah (Trust), Segara (Ocean), Abadi (Everlasting) — our mission is long-term partnerships. We handle your requests like they’re our own operations on the line.