Shipbuilding Industry

Shipbuilding Inspection Services for Marine & Shipyard Projects

The shipbuilding inspection services sector demands exceptional levels of engineering accuracy, safety, and regulatory compliance. With complex global supply chains, multiple fabrication yards, and specialist marine systems, shipbuilders and EPC/EPCM contractors require independent oversight to ensure projects stay on schedule and meet strict international standards.

SQS provides independent shipbuilding inspection, expediting, and technical support services for shipyards, vessel developers, and offshore fabrication projects worldwide. With over 30 years of experience and a global network of inspectors operating across 50+ countries, we deliver the expertise, responsiveness, and scalability required to support complex marine construction programmes.

ABOUT SQS

Our services cover every stage of the vessel lifecycle

From design review and material verification through to construction, testing, commissioning, and sea trials - ensuring full compliance with classification societies, safety regulations, and project specifications.

What SQS Does

Comprehensive Shipbuilding Inspection & Quality Control Services

SQS delivers end-to-end marine inspection services to ensure vessels are constructed to the highest quality and safety standards.

Project Supervision & Quality Management

Our experienced naval architects and marine engineers provide on-site supervision, overseeing construction quality from keel laying through to final delivery.

Inspection & Test Plans (ITP)

We implement structured inspection and test plans to monitor welding, steel fabrication, and assembly processes- ensuring full compliance with approved project requirements.

Machinery & System Installation Inspection

Inspection of critical onboard systems, including:

Diesel generators
Piping and mechanical systems
Electrical installations
Navigation and control systems

Non-Destructive Testing (NDT) & Quality Control

Independent witnessing and verification of:

Ultrasonic Testing (UT)
Magnetic Particle Inspection (MPI)
Radiographic Testing (RT)

Ensuring weld integrity, structural performance, and long-term durability.

Coatings, Painting & Surface Protection

Supervision of coating applications and surface preparation to ensure corrosion resistance, fatigue protection, and compliance with marine standards.

Shipyard Manufacturing & Construction Support

We support shipyards and marine manufacturers with specialist shipyard quality control and assurance services.

Shipyard Audits

Comprehensive evaluation of shipyard capabilities, including quality systems, safety standards, and operational performance.

Material Verification & Traceability

Validation of material certificates and traceability for steel and critical components to ensure compliance with project specifications.

Welding Procedure Qualification

Development, review, and auditing of Welding Procedure Specifications (WPS), alongside welder qualification to meet maritime standards.

Pressure Vessel & Equipment Inspection

Specialist inspection of boilers, heat exchangers, and storage tanks in accordance with international codes such as ASME and API.

Vendor Assessments for Shipbuilding Projects

Selecting the right suppliers is critical in shipbuilding. SQS provides detailed vendor assessment and supplier evaluation services, helping clients reduce risk across global procurement.

We assess:

Manufacturing capability
Quality management systems
Compliance with international standards
Previous project performance

Shipbuilding Inspection Services (Onsite & Remote)

Our global network of inspectors provides both traditional and AI-powered remote inspection services, enabling real-time oversight while reducing travel costs, delays, and carbon emissions.

We support inspection across:

Structural fabrication and welding
Mechanical and piping systems
Electrical and instrumentation
Propulsion and navigation systems
Coatings and finishing

Technical Manpower for Shipyards

SQS provides highly skilled technical manpower and inspection personnel to support shipyard operations and project delivery.

We supply:

QA/QC inspectors
Welding and coating inspectors
Mechanical and electrical supervisors
Commissioning engineers

All personnel are fully qualified and experienced in marine and offshore environments.

Person In Safety Hat Operating Control Panel

Commissioning, O&M & Lifecycle Support

Our support extends beyond construction into full vessel lifecycle services, including:

Commissioning and start-up verification
Drydock inspections and refits
Maintenance and condition monitoring
End-of-life decommissioning support

Ensuring vessels remain safe, compliant, and operational throughout their lifecycle.

Who We Support

SQS works with a wide range of stakeholders across the shipbuilding and marine industry, including:

Shipbuilders & Developers – ensuring vessel quality and compliance
EPC/EPCM Contractors – providing global inspection oversight and schedule assurance
Operators & O&M Teams – supporting ongoing maintenance, inspection, and compliance