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Underwater Diving Services & Class Inspections You Can Trust
Certified commercial divers delivering precision, safety, and class-approved underwater inspections across Scandinavia and Worldwide
Underwater Diving Services & Class Inspections and Repairs Worldwide
When vessels need precision, reliability, and fast underwater response —Delta Marine Scandinavia AB delivers.
Our certified diving team performs professional underwater class inspections and maintenance for ships, offshore structures, and marine installations across Scandinavia and worldwide.
We understand that time in port costs money — that’s why we provide on-site inspections and repairs that keep your vessel seaworthy and class-compliant without costly dry-docking.


Certified Underwater Diving Services for Every Vessel Type
Our underwater operations are performed by IMCA- and DNV-certified commercial divers, equipped with the latest video inspection systems, ultrasonic thickness measurement (UTM) equipment, and high-definition video and two-way communication systems.
We operate 24/7 across all major Scandinavian ports, including Gothenburg, Malmö, Stockholm, and Copenhagen We provide our service also Worldwide.
Our Team Specializes In
- Underwater Class
- Inspections (DNV, ABS, Bureau Veritas)
- Hull Integrity Surveys and Video Documentation
- Ultrasonic Thickness Measurements (UTM)
- Underwater Replacements of Anodes and Sounders
- Super Propeller Polishing Rubert Scale A
Emergency Entanglement Removal and Refloating Operations - Underwater Specialized Repairs, Welding, Cutting, Cofferdams
All work is recorded in HD video by our technical supervisors and delivered to the classification society or owner within hours.


Why Choose Delta Marine Scandinavia AB
Our clients — from global shipping companies to local port operators — choose us for three reasons: precision, safety, and speed.
We use two-way communication and rigid helmets for safety that allow direct coordination between diver, supervisor, and client during inspections.
Our digital reporting system provides clear documentation, including on-request UTM readings, hull images, and recommendations for future planned maintenance.
As one of our lead inspectors says:
“Underwater work is not just about diving — it’s about trust. Every inspection we perform carries the responsibility of keeping a ship and crew safe at sea.”
Complete Class Inspection Process
- Pre-Inspection Briefing: Review of class requirements and vessel documentation.
- Dive Setup & Safety Check: Certified equipment, calibration, and risk assessment.
- Underwater Visual Inspection: Real-time HD video stream for owner and class representative.
- Ultrasonic Thickness Measurement (UTM): Precision readings with ±0.1 mm accuracy.
- Reporting & Certification: Results uploaded and verified within 24 hours.
Our goal: Zero downtime. Maximum compliance.


Service Area
We provide underwater diving services Worldwide with our main locations throughout Scandinavia — covering Sweden, Norway, Denmark, and the Baltic Sea region.
Delta Marine Scandinavia AB is based in Laholm close to Gothenburg and operates a mobile dive unit equipped for rapid deployment to any northern European port and worldwide.
FAQ
An underwater class inspection is a survey conducted by certified commercial divers to assess the hull, propeller, and underwater parts of a vessel. It’s required by classification societies such as DNV, ABS, or Bureau Veritas during periodical or renewal surveys to ensure hull integrity and seaworthiness — often as an alternative to dry-docking.
Yes — when performed by a class-approved diving company like Delta Marine Scandinavia AB , underwater inspections can replace certain dry-dock requirements. Our divers provide HD video documentation and ultrasonic thickness measurements (UTM), which are accepted by most classification societies for intermediate surveys.
We use IMCA-approved full-face communication helmets, HD cameras with live feed, digital UTM gauges with ±0.1 mm accuracy, and high-output underwater lighting. Each diver is supported by a surface team and supervisor in direct communication with the client and class representative.
Most inspections are completed within 4–8 hours, depending on the vessel size and class requirements. Reports and HD videos are typically delivered within 24 hours, allowing the vessel to remain on schedule without costly delays.
We provide underwater diving services across Sweden, Norway, Denmark, Finland, and the Baltic Sea region. Our mobile dive teams are based in Gothenburg and can be deployed rapidly to ports including Malmö, Stockholm, and Copenhagen.
Request an Underwater Inspection
If your vessel requires an underwater class inspection or urgent diving service, contact our operations team 24/7.
We guarantee professional response, certified results, and complete client confidentiality.
Contact Delta Marine Scandinavia AB Today.
