Technical Articles

Is ISO 17025 same as ISO 9001


ISO (International Organization for Standardization) is an independent, non-governmental international organization that develops and publishes voluntary norms and standards. Two of the most widely recognized and implemented standards are ISO 17025 and ISO 9001. While both standards are related to quality management systems, they have distinct differences in their scope, purpose, and application.

ISO 9001: Quality Management System

ISO 9001 is a globally recognized standard that specifies criteria for establishing, implementing, maintaining, and continuously improving a Quality Management System (QMS). Designed to enhance customer satisfaction by meeting customer requirements, ISO 9001 focuses on ensuring consistent quality in the products and services provided by organizations. It emphasizes customer focus, leadership, involvement of people, process approach, continuous improvement, evidence-based decision making, and relationship management.

ISO 17025: Competence of Testing and Calibration Laboratories

ISO 17025 is specifically tailored to testing and calibration laboratories. It outlines the general requirements for the competence, impartiality, and consistent operation of these laboratories. Accreditation to ISO 17025 demonstrates that a laboratory operates efficiently and produces valid results. It covers laboratory management, including personnel competence, equipment calibration, test methods, and quality assurance. ISO 17025 ensures the accuracy, reliability, and traceability of the test and calibration results produced by laboratories.

Key Differences between ISO 9001 and ISO 17025

The main difference between ISO 9001 and ISO 17025 lies in their scope and focus. ISO 9001 is a generic standard applicable to any organization, regardless of industry or field, while ISO 17025 specifically addresses the technical competence of testing and calibration laboratories. ISO 9001 emphasizes customer satisfaction and overall quality management, whereas ISO 17025 focuses on ensuring the accuracy and reliability of testing and calibration activities.

Another difference is the certification process. ISO 9001 can be certified by accredited third-party auditors, while ISO 17025 accreditation is typically performed by national or international accreditation bodies. The complexity of ISO 17025 requirements and the technical expertise involved in laboratory testing contribute to the need for a more specialized accreditation process.


ISO 9001 and ISO 17025 are both important standards in their respective areas. While ISO 9001 provides a comprehensive framework for overall quality management system implementation, ISO 17025 focuses specifically on the technical competence of testing and calibration laboratories. Organizations should evaluate their specific needs and requirements to determine which standard is most applicable to their operations. Certification to ISO 9001 demonstrates an organization's commitment to delivering consistent quality products and services, while ISO 17025 accreditation assures the accuracy and reliability of laboratory testing and calibration results.

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