1. Company Profile

Company Profile

Founded in 1963, Yachiyo Engineering Co., Ltd. (YEC) is now one of the largest firms of consulting engineers, planners, architects and specialists operating throughout the world.

YEC maintains a permanent staff of over 861 professional engineers / architects, planners, economists, operation and management specialists, science and technology specialists, and administration and support staff. To date YEC has actively participated in numerous and diverse projects not only in Japan but also in about 110 countries around the world. Services are offered in every phase of project development from planning and feasibility study through preliminary and detailed design to construction supervision, operation training and procurement services.

YEC's areas of expertise now cover infrastructure development, environmental improvement, institutional building, human resources capacity development and other similar subjects.

To enhance the efficiency of its worldwide operations, YEC currently maintains overseas offices in countries such as Indonesia, Myanmar, India, Egypt, Nigeria, Brazil and Korea. Each office operates as a strong local center, providing close client communication in addition to design services.

YEC's state-of-the-art technology is the product of independent research and development efforts extending across the total range of engineering disciplines. YEC not only provides these services to its clients, but also cooperates in the transfer of such technology to local counterparts.

General Information

January 29, 1963
Paid-up Capital
450,000,000 yen
Number of Professional Staff
1,082 (As at Sept,2018)
  • Planning, Research, Surveying, Design and Construction
  • Management/Supervision related with Infrastructure and Construction Industry
  • Technical Cooperation and Guidance
  • Date Processing and Analysis Utilizing Electric Computers and Related Equipment
  • Environmental Measurement Certification Business