ISO certified suppliers are frequently perfered by procurement departments
they have to conform to an externally defined set of standards for quality and delivery of service
they are usually more open to sharing supply chain information
they welcome building relationships with their customers
they have formal processes in place for continual improvement of their products , services , and processes
they are easier for procurement folks to initially qualify and periodically audit
- certification id done by an external register agency
- firms have to be re-certified every three years