Multiple suppliers

ISO 9001:2015 has no requirements about the number of suppliers. So, your organization can decide to have a sole supplier. If there are risks from that situation it is up to your organization to determine them, evaluate them and act preventively.

The following material will provide you more information about suppliers and risks:

- Article - How to evaluate supplier performance according to ISO 9001:2015 - https://advisera.com/9001academy/blog/2015/10/27/how-to-evaluate-supplier-performance-according-to-iso-90012015/
- Article - Risk-based thinking replacing preventive action in ISO 9001:2015 – The benefits - https://advisera.com/9001academy/knowledgebase/risk-based-thinking-replacing-preventive-action-in-iso-90012015-the-benefits/
- Enroll for free course - ISO 9001:2015 Foundations Course - https://advisera.com/training/iso-9001-foundations-course/
- Book – Discover ISO 9001:2015 Through Practical Examples – https://advisera.com/books/discover-iso-9001-2015-through-practical-examples/