ClassNK

ClassNK

Japanese classification society providing technical standards, inspections, and certification services for maritime and related engineering systems.

Tokyo, Japan
1001-5000 employees
4-7 Kioi-cho, Chiyoda-ku, Tokyo 102-8567, Japan
Categories:
Quality Assurance, Testing & Certification Services

Business Profile

Capabilities, markets, and positioning.

ISIC Codes
7120
Business Model
service provider
Value Chain Role
certification body
Geographies Served
Worldwide
Key Capabilities
classificationinspectionthird-party verificationcertification
Tags
engineeringinfrastructuredevelopment

About

ClassNK is a Tokyo-headquartered nonprofit technical body best known for standards and third-party assurance in maritime domains.

What it does

It performs inspections, verification, and certification work against technical rules and industry frameworks used by shipowners, yards, and equipment makers.

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Threads about ClassNK inside the TradeDB forums.

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Edit history
Last edited January 7, 2026Edited by @diego1