Sazeh Consultants is a privately owned joint stock company based in Tehran, Iran, founded in 1970. With over 50 years of experience, the company specializes in engineering, procurement, construction, and commissioning (EPC) services, primarily for the oil and gas industry, both onshore and offshore, as well as for industrial plants.

The company offers comprehensive EPC services on a lump sum turnkey basis, covering the entire lifecycle of projects in oil and gas production, refining, pipelines, and petrochemical plants. Notable projects include the South Pars Gas Field Development, the Shazand Imam Khomeini Refinery Expansion, and various petrochemical facilities. Sazeh Consultants is committed to quality, safety, and environmental management, maintaining compliance with several international standards. The company serves clients in the oil and gas sector and industrial plant construction, focusing on understanding stakeholder needs and continuous improvement.