Outline of NKKK

- Features
- Association Overview
- President’s Message
- Management Philosophy
- Code of Conduct
- History
- Access
- Public Notices and Disclosed Information
- Group Companies
Since 1913, we have supported safe and secure maritime transport both in Japan and overseas.
Since our establishment in 1913, Nippon Kaiji Kentei Kyokai has contributed to the smooth facilitation of Japan’s trade for over 100 years.
As a pioneer in Japan’s trade inspection, we conduct food safety inspections, quality certification of petroleum products, and troubleshooting of trade commodities, utilizing not only the technology and knowledge cultivated throughout our long history but also the latest chemical analysis equipment.
We are recognized in the industry as NKKK or NK3 – the trusted brand.
Our association is divided into three departments: Certification Department, Survey Department, and Analysis Department, providing various inspection and analysis services for each business area.

Features
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Feature 01
Integration of Over 100 Years of Experience and
Advanced Technology -
Based on specialized technology cultivated throughout our long history, we provide cutting-edge solutions that meet on-site needs.
- Pioneer Founded in 1913
Continuing to handle Japan’s trade certification, inspection, and analysis, contributing to building the foundation of the industry.
Traditional Expertise × Modern Innovation - Combining skilled techniques such as draft surveys and weight measurements with digital measurement and data analysis to achieve both accuracy and efficiency.
- “Trusted Brand”
With over 100 years of experience and a fair and neutral position, we have earned high trust from shippers, shipping companies, and insurance companies both in Japan and overseas.
- Pioneer Founded in 1913
-
Feature 02
High-Precision Analysis
by Officially Accredited Laboratories -
Through our own laboratories and specialized staff, we have established an analysis system that combines both accuracy and speed.
- Official Accreditation
Operating our own physical-chemical, food, and fuel laboratories that have obtained accreditation such as ISO/IEC 17025. - Diverse Analysis Targets
Handling a wide range of cargoes including petroleum and chemical products, food, metals, and mineral products.
- Official Accreditation
-
Feature 03
Nationwide Network Providing Comprehensive Certification, Survey, and Analysis Services
-
Complete one-stop service from consultation to cause investigation and report submission. Utilizing our nationwide network to provide rapid and comprehensive support.
- One-Stop System of Three Departments
Certification (weight and volume), survey (condition and damage), and analysis (physical-chemical) work together to handle cases consistently. - Coverage of Major Domestic Ports and Industrial Areas
Surveyors from each base quickly respond to on-site situations. - Wide Range of Specialized Services
Also conducting cargo accidents and marine damage surveys, factory equipment trouble investigations, and logistics risk assessments.
- One-Stop System of Three Departments
Association Overview
- Association Name
- Nippon Kaiji Kentei Kyokai, Incorporated Association (English name: Nippon Kaiji Kentei Kyokai)
- Representative
- President Masaaki Ishida
- Founded
- February 11, 1913
- Number of Employees
- 1,200 (Including contract employees)
- Contact Information
-
Tel.81-3-3552-1241
Fax.81-3-3552-1260
URL.http://www.nkkk.or.jp/
- Major Operations
-
Nippon Kaiji Kentei Kyokai (NKKK) is a third-party certification organization that has contributed to improving the safety and reliability of Japan’s trade and logistics for over 100 years since its establishment in 1913.
Through a wide range of operations including measurement of weight and volume of trade cargo, quality inspection, scientific analysis, and accident investigation, we support the optimization of trade transactions and ensuring the safety of logistics.
We also handle analysis operations for petroleum, chemical products, food, metals, packaging containers, etc., utilizing the latest chemical analysis equipment to conduct cargo quality evaluation and abnormality investigations.
Furthermore, we are involved in overall logistics risk management, including investigation of marine and cargo accidents, stowage inspections for safe transport, and evaluation and certification of safety management systems in the transport industry.
We also provide support for global trade transactions through our overseas offices.
President’s
Message
Since our establishment in 1913, our association has continued public benefit activities as an international comprehensive certification organization through inspection and certification services for maritime and international distribution cargo, and we are pleased to celebrate our 112th anniversary this year.
This is entirely due to your understanding and support, for which we are deeply grateful.
Our association operates under the management philosophy of “Trusted Brand NKKK,” placing “trust” at the foundation of all business activities and contributing to economic development and improvement of people’s lives through the provision of fair and strictly neutral inspection and certification services.
Industrial development is remarkable, and we expect that the development of new materials and innovation in transportation technology for industry will advance at an even faster pace in the future.
While maintaining our founding principle of third-party neutrality, we will continue to evolve ourselves to sincerely respond to society’s trust and achieve sustainable growth.
We ask for your continued understanding and support.


Management Philosophy
Trusted Brand NKKK
Pioneer in trade inspection founded in 1913!
Under the banner “Trusted Brand NKKK,” we place trust at the foundation of all business activities and contribute to economic development and improvement of people’s lives through the provision of fair and strictly neutral inspection and certification services.
With over 100 years of accumulated experience since our founding, including damage surveys during trouble incidents, advanced technical capabilities related to safe transport, physical-chemical analysis capabilities, and specialized knowledge, we support our customers’ peace of mind with our track record and trust as the foundation of our corporate activities.
Code of Conduct
Inheritance of DNA
All officers and employees of the association share values and sense of purpose based on our management philosophy and inherit the association’s DNA cultivated through 100 years of history.
Legal Compliance
Always maintaining high aspirations, we execute sincere, fair, and highly transparent operations that practice the compliance required in corporate activities.
Continuous Improvement
While being aware of responsibility for results, we engage in continuous improvement through the PDCA cycle.
History
We introduce NKKK’s journey from our founding in 1913 to the present.
Founded Japan Maritime Association, started inspection and appraisal operations
Received permission as an incorporated association under Article 34 of the Civil Code
Started weighing operations
Changed name to Nippon Kaiji Kentei Kyokai
Certified as “Explosive Materials Ship Storage Certification Organization”
Designated as sole weighing organization by major freight conferences
Opened Physical-Chemical Research Institute
Opened Bangkok office (incorporated locally in 1970)
Opened Singapore office
Established local corporation “Nippon Kaiji Kentei (Malaysia) Sdn. Bhd.” in Kuala Lumpur
Established joint venture local corporation “Philippine-Japan Marine Surveyors & Sworn Measurers Corporation” in the Philippines
Signed “Japan-China Trade Commodity Inspection Business Mutual Agreement” with China National Import & Export Commodities Inspection Corporation
Established joint venture company “NKKK (Taiwan) Ltd.” in Taipei
Opened European office in Amsterdam
Became designated inspection organization by Minister of Health and Welfare under the Food Sanitation Law
Established joint venture local corporation “CNKKK Tianjin” in Tianjin
Opened Ho Chi Minh representative office (later became “Nippon Kaiji Kentei (Vietnam) Ltd.”)
Opened Shanghai representative office (converted to local corporation “C-NKKK Shanghai” in 1998)
Became designated analysis organization by Minister of International Trade and Industry under the “Law Concerning Quality Assurance of Gasoline and Other Fuels”
Obtained quality system (ISO9002:1994)
ISO9001:2000 certification registration
Received permission for appraisal and weighing operations under the revised Port Transport Business Act
Transitioned to general incorporated association
Celebrated 100th anniversary
Obtained laboratory accreditation ISO/IEC 17025
Established local corporation “Nippon Kaiji Kentei (Myanmar) Ltd.” in Myanmar
ISO9001:2015 certification registration
Completed reconstruction of Hacchobori headquarters building
Certified by Ministry of Land, Infrastructure, Transport and Tourism as third-party organization for transport safety management evaluation
Access
9-7, 1 Chome, Hacchobori, Chuou Ward, Tokyo
3 minutes walk from Hacchobori Station on Tokyo Metro Hibiya Line
4 minutes walk from Kayabacho Station on Tokyo Metro Hibiya Line/Tozai Line