35,000+ certified customers worldwide

87 % of customers rate their auditor experience positively, resulting in a Net Promoter Score (NPS) of 83 — significantly higher than industry averages

70 % of clients say they would recommend DQS based on their service experience — a result well above typical B2B benchmarks

Average global service rating: 8.9 out of 10, based on 4,000+ responses

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Empowering performance through purposeful audits

Our audits are designed to create value – by enabling better decisions, strengthening stakeholder trust, and supporting sustainable growth. Through clear results, practical insights, and constructive dialogue, we help organizations turn certification into a catalyst for progress.

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Specialized in systems that shape organizations

DQS focuses on the assessment and certification of systems that govern how organizations operate – from quality and sustainability to data protection and supply chains. This focus enables us to offer depth, consistency, and results that reflect operational reality.

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Trust and credibility

With internationally recognized accreditations, a strict commitment to impartiality, and our role as a founding member of IQNET, DQS stands for certification that is respected, comparable, and reliable – across industries and regions.

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Proven in Partnership

Our growth and long-standing partnerships reflect the confidence placed in DQS by respected leaders across the conformity assessment industry — strengthening our ability to combine global consistency with deep local expertise.

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Digital innovation that enhances the process

As global requirements grow, digitalization is essential to keep audits efficient and robust. DQS is committed to modernizing the audit journey step by step – from streamlined interaction to more transparent outcomes. Our focus: combining technological progress with the proven strengths of expert-led, independent assessment.

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Pioneering new standards

DQS actively contributes to the development and evolution of certification frameworks – from ESG to cybersecurity and supply chain responsibility. This forward-looking role helps our clients stay ahead of regulatory and market expectations.