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Nippon Koei Co., Ltd.

Nippon Koei Co., Ltd.

■Head Office :
 5-4 Kojimachi, Chiyoda-ku, Tokyo 102-8539, Japan

​ Corporate site is here

Contribution to SDGs

Throughout the world, emerging countries and developed countries alike are striving for zero emissions and the construction of smart cities to achieve sustainable societies. Nippon Koei Group is also contributing to the attainment of all 17 Sustainable Development Goals (SDGs) of the United Nations.


  • We contribute to the development of social and economic infrastructure.

  • We engage in developing local industries that utilize infrastructure, and in technology transfer to local engineers.

  • We improve and optimize methodologies related to environment conservation activities.

  • We promote the development and use of clean energy.

  • We provide services such as introduction of systems, development of frameworks, and sharing of knowledge to help develop the infrastructure for medical and educational systems.

Nippon Koei is the oldest independent consulting firm in Japan. We have been providing consulting services for economic development projects since 1946. For 70 years, Nippon Koei has worked on over 5,500 multi-disciplinary infrastructure projects in 160 countries all over the world.


With operating bases in all 47 prefectures of Japan, we are engaged in the development and maintenance of waterways, roads and other social infrastructure, and regional development projects that enhance safety and quality of life. Orders from the national government and local governments account for most of the sales in this business.


The Nippon Koei Group conducts many projects to support the growth of developing countries in Asia, Africa, the Middle and Near East, Latin America and other regions. Projects encompass a wide range of fields, including water resources and waterways, energy, urban and regional development, transportation, agricultural and rural development, and environmental management. Projects: ・Infrastructure Design of New Clark City (smart city), Philippines ・Renewable Energy Development Project, Georgia ・Ho Chi Minh City MRT Project, Vietnam ・Introduction of ITS on Road Network in Hyderabad Metropolitan Area, India ・Integrated Water Resources Management Project, Macedonia ・Project for Institutional Capacity Development on Nation-wide Solid Waste Management, Dominican Republic Etc.



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