Darya Sazeh consulting engineers (D.S) was established in 1986 and during the past several years has been mainly active in more than 100 projects of design , supervision and management in the fields of marine works and port construction , water resources and transmission pipelines , dam construction and river engineering , water and wastewater facilities, industrial design of port complexes , petrochemical, oil and gas projects and related buildings and areas. Therefore considering the experience in such fields, D.S has a competent technical staff, a rich archive and valuable scientific expertise along with relevant specialized equipments.

Darya Sazeh has been authorized by Plan and Budget Organization of IRAN at following Engineering services :

Quality management system of company is according to ISO 9001 standard has been certificated by SWISSCERT.