In the headquarters in Tehran with over 1200 staff working on projects, we have engineered and managed:

  • We have implemented and engineered major projects including:
    • Over 39,000 MM SCFD Gas Gathering, Processing, and NGL Extraction Plants
    • More than 4,000 MM SCFD Gas Injection Facilities
    • Over 3,300,000 BPD Oil Production Facilities
    • More than 12,000 km of Oil, Gas, and Products Pipelines
  • 35 Petrochemical Plants including:
    • Aromatics (2,100,000 TPA)
    • Polymers (3,150,000 TPA)
    • Methanol (1,000,000 TPA)
  • 10 Refinery Projects including:
    • EPC Development (710,000 BPD)
    • Master Plan, Basic Engineering, FEED (800,000 BPD)
  • More than 2,000,000 Sq M. of Variety of Buildings

Areas of Activity

Sazeh is an EPC Contractor and provides engineering, procurement and construction services to the oil, gas, refining and petrochemical industries.


Range of Services

Our prime objective is to understand the requirements of our clients and to provide high service quality for them on time and based on cost competitive prices.


Integrated Management System

Sazeh Consultants Policy

Sazeh Consultants is committed to understand stakeholders needs and to provide services and products that conform to contractual requirements and comply with applicable codes, standards, laws and regulations, safety, occupational health, and environmental considerations that are conducive to stakeholders satisfaction.

In order to achieve the policy goals, Sazeh Consultants is committed to maintain and promote an effective and efficient Integrated Management System based on ISO 9001:2015, ISO/TS 29001:2010, ISO 14001:2015, and OHSAS 18001:2007.

In line with human resource development, value management, and business excellence, management of Sazeh Consultants performs periodic review of Integrated Management System for its effectiveness; continuing efficiency; accident, ill health, and pollution prevention; and continual improvement and takes necessary preventive and corrective actions.


Sazeh Consultants is quite conscious about the importance of health, safety, and the environment in all of its activities and services and has adopted policies to reflect this.

We have an excellent record of safety and accident prevention during more than 35 years of professional practice.  This is due to the implementation of comprehensive safety procedures which are supported and enforced by the company management.