DQS Holding GmbH is the headquarters of DQS Group and as such controls the international business development of 85 offices in 60 countries. The group is among the top 3 of certification service providers for management systems. With over 2,500 international auditors and experts in virtually every industry sector, DQS ensures a high level of expertise as well as consistency in values and audit principles. Today, the service portfolio of DQS Group comprises assessments and certifications to more than 200 different standards, plus unique company-specific requirements.