ESTS (Extensive Standard Technical Services Co., Ltd.), part of Cotecna Group headquartered in Switzerland, is a global certification body and audit firm with professional services covering social compliance, sustainability, green and low carbon, food safety and quality system etc.

We are committed to enhancing the ESG (Environmental, Social and Governance)competitiveness for brands and retailers supply chains, as well as to creating a transparent and reliable supply chain for our clients.

Our Mission


Our Vision

  • To set up incentive driven mechanism for integrity compliance
  • To be an outstanding, reliable & excellent certification body and audit firm
  • To be a company where all employees are encouraged to be active team members

Our Value


  • First-rate Service
  • Innovative Efficiency
  • Integrity and Fairness
  • Win-win Cooperation