ISO 9001:2026 Supplier Requirements: Certification, Evaluation and Clause 8.4
Our ISO 9001 Supplier Certification Questions & Answers has been updated to address the upcoming ISO 9001:2026 edition and the transition from ISO 9001:2015.
One of the most common questions organizations ask is whether ISO 9001 requires suppliers to be ISO 9001 certified. The answer is no. ISO 9001 Clause 8.4 requires organizations to control externally provided processes, products, and services and to establish appropriate criteria for evaluating, selecting, monitoring, and re-evaluating suppliers. Third-party ISO 9001 certification can be part of that process, but it is not the only acceptable method.
The updated Q&A explains practical approaches to ISO 9001 supplier evaluation and qualification, including:
- ISO 9001 certification by an accredited certification body
- Second-party supplier audits
- Supplier self-assessments and questionnaires
- Evaluation based on quality and delivery performance
- Risk-based combinations of supplier qualification methods
The update also addresses the move toward ISO 9001:2026. Clause 8.4 requirements for the control of external providers remain fundamentally familiar, while supplier evaluation may increasingly consider broader organizational risks and factors such as environmental and sustainability credentials.
We have also updated the guidance on the documented information and supplier records organizations should maintain, including approved supplier lists, qualification records, supplier certificates where applicable, performance monitoring, re-evaluation records, and actions taken when supplier performance is unsatisfactory.
What's new in the 2026 update:
- References covering both ISO 9001:2015 and ISO 9001:2026
- Updated guidance for ISO 9001 Clause 8.4 and external providers
- Environmental and sustainability credentials added as a possible supplier-evaluation consideration
- ISO 9001:2026 publication and transition information
Read the updated ISO 9001 Supplier Certification & Evaluation Q&A →
Related ISO 9001:2026 resources:
- QPS 8.4-01 Control of External Providers — ISO 9001 supplier control procedure updated for 2026
- ISO 9001:2026 Quality Manual Template
- ISO 9001:2015 to ISO 9001:2026 Change Guide — free transition guide

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