Darya Sazeh consulting engineers was established in 1986 and during the past several years has been mainly active in more than 100 design , supervision and management projects in the fields of marine works & port construction , water resources & transmission pipelines , dam construction & river eng. , water & waste water facilities , industrial design of port terminals , petrochemical , oil & gas projects and related buildings & areas . Therefore considering the experience in such fields , has a competent technical staff, a rich archive and valuable scientific expertise along with relevant specialized computer software . Darya Sazeh had authorized by president Deputy strategic planning & control of IRAN at following Engineering services :

- Port construction & Marine structures consultancy

- Dam construction & water resources development consultancy

- Water & wastewater facilities consultancy

- Port construction & Marine structures project management

- Dam construction & water resources development project management

Quality management system of company is according to ISO 9001:2000 standard has been certificated by URS and  ISO 9001:2008 standard has been certificated by UNICERT .