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The American Accreditation Board (AAB) assesses and accredits Certification Bodies that demonstrate competence to audit and certify organizations conforming to management systems standards.

Accreditation by AAB ensures the impartiality and competence of the Certification Body and fosters confidence and acceptance of the Certification Body's Certifications by end users in the public and private sectors.

AAB gives Certification Bodies the recognition they need to do business in the marketplace.