what are the benefit of auditing QMS(quality management system)?

There are a number of benefits

• Assured of good business practices
• Means of determining effectiveness of the QMS
• Ensure customer & outside requirements met
• Add discipline to QMS
• Help identify opportunities for improvement
• Audits and auditors perform service to a company. They are a way to establish information based on facts, not on suspicion, suggestion or assumption
• They are a good way to keep an organization on top of the quality system, rather than letting the system ravel at the edges