Difference Between ISO 9001 and ISO 9002

Last updated on April 10th, 2025 at 06:20 am

ISO 9001 is a comprehensive Quality management standard that covers design, development, production, and service, while ISO 9002 outlines the requirements of ISO 9001.

ISO 9001 certification and ISO 9002 certification maintain quality within the organization. Both of these certificates indicate the requirements for QMS in the organization.

They help to enhance the reputation of the organization. Despite the similarities between 9001 certification and 9002, there are some differences that differentiate them from each other.

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ISO 9000 Series

ISO 9000 is a series of international standards for QMS. It provides guidelines and principles to help organizations ensure that they meet customer requirements while improving overall performance and efficiency.

What is ISO 9001?

ISO 9001 is a quality standard that outlines the requirements of a quality management system. The latest revision of this certification was done in 2015. This revision introduced a process-based approach, where the organization focuses on managing its processes to achieve success and consistency to deliver high-quality products and services. Its main purpose is to provide international-level quality in goods and services.

What is ISO 9002 Certification?

ISO 9002 certification is named as “Model for Quality Assurance in Production, Installation, and Service”. ISO 9002 came alongside ISO 9001 and covered all the concepts and guidelines related to the 9001 standard. However, ISO 9002 did not give any guidelines for the product design and development. ISO 9002 focused on operations after the design phase and didn’t address the creation of new products.

The Benefit of ISO 9001 and ISO 9002 Certification

ISO 9001	ISO 9002
Improves product/service quality	Improves quality
Customer satisfaction	Customer satisfaction
Operational efficiency	Operational efficiency
Risk management	Cost reduction
Increase credibility	Increase Reputation
Market access	Market access
Compliance	Regulatory compliance
Cost saving	Risk management
Employee engagement	Employee engagement
Continuous improvement	Documented systems

The ISO 9001 and 9002 Requirements

ISO 9001	ISO 9002
Customer focus	Quality assurance
Leadership	Production control
Engagement of people	Installation and service
Process approach	Corrective actions
Improvement	Process standardization
Evidence-based Decision making	Documentation
Relationship management	Employee competence
Context of the organization	Product consistency
Risk-based thinking	Compliance with regulations
Documented information	Customer requirements

Difference between ISO 9001 and ISO 9002

Feature	ISO 9001	ISO 9002
Scope	Provides general guidance and principles of QMS	It defines the requirements for implementing, establishing, and improving QMS.
Design and Development	Contain designs and development	Doesn’t contain design and development
Applicability	Applicable to any organization	Applicable to organizations seeking certification for QMS
Documentation and requirements	Extensive documentation across all processes	Documentation focused on installation/production/service
Implementation	Serves as a reference to understand QMS	Provides a framework for maintaining and establishing a QMS

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How to get ISO 9001 and ISO 9002 certification?

ISO 9002 only provides the guidelines of ISO 9001. So, there is no certificate for ISO 9002.

ISO 9001 certification process-

• Understand ISO 9001 requirements- briefly study for ISO 9001 requirements that include quality management principles.
• Gap analysis- Evaluate you existing processes against ISO 9001 standard and identify areas that need enhancement for better quality management. 
• Develop a QMS- Develop and implement a QMS that best aligns with the ISO 9001 standard.
• Training- Train the employees for the requirements of ISO 9001 to ensure that they understand their role in QMS.
• Choose a certification body- Choose a certification body to apply your ISO 9001 certificate.
• Apply- Apply for ISO 9001 certificate with the required documents.
• Internal audit-  An internal audit will be conducted to verify the requirements according to ISO 9001 in the organization.
• External audit- Re-audit will be conducted to verify the requirements again and to decide whether to issue ISO 9001 certificate or not. 
• Receive certification- If audits are successful, certification issues.

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Conclusion

ISO 9002 Certification is no longer in existence, as this was integrat into the ISO 9001 standard after its revision in 2000. The 9002 standard covered similar concepts and guidelines as the 9001, but did not contain any requirement for product design and development. With the merger of ISO 9002 into ISO 9001, ISO 9001 has become a more comprehensive standard, covering all the aspects of quality management.

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