JICS is the only one public procurement agency that implements project management services, mainly procurement services within the framework of the Japanese government's official development assistance (ODA) and other support for developing countries.

Procurement refers to an act of acquiring necessary goods and services to achieve specific goals in exchange for adequate payment, and JICS has been selecting and procuring goods and services required in developing countries (such as transportation, design, and construction) in an appropriate and effective manner since its establishment in 1989.