Who We Are

responsive-img DAS (Direct Assessment Services) was established in 1998 and is one of the world's leading Certification Bodies. DAS trades in almost every business sector with organizations ranging from multi-nationals to small family-run businesses.

DAS Certification is accredited by UKAS - the highly respected IAF member Accreditation Body of UK.

DAS is an international organization with head office in UK and overseas offices in USA (represented by QCS Inc.) and more than 30 countries around the world with over 10,000 certificates in different standards.

Our philosophy is to develop a practical and professional relationship with its clients. The aim is to work in partnership with clients at all stages of the certification process and later to ensure that clients maximize the benefits of its certification.

What we do

We provide companies with value-added certification of their management system which is world-wide recognized. Our US branch provides customer focused certification services for the following standards:

We also provide auditing services outside our accredited certification activities. These audits can be against any international standard or your specifications. These audits include:

  • Supplier or Second Party Audits
  • Contractual Audits
  • Gap Audit or Pre Assessment

Why Choose us

  • Recognition of the certificate around the world (more than 10,000 certifications)
  • Highly experienced and qualified auditors with diversified practical/job experience
  • Certification experience of small to large organizations in variety of industries
  • Value added audits to provide benefits of reputed certifications
  • Partnership approach with the clients with positive and supportive relationship
  • Best value of the services with pricing transparency and no hidden cost


DAS Certificates Validation


Please beware of the companies who may make false claim to have certification from DAS. To confirm certification of a company with DAS, please contact the local office that can make the information available on request.

Get a Free Quotation

Request a Quote

Please download, complete and return the attached form and return it to CSR@dascertificationusa.com and DAS@dascertificationusa.com A member of our staff will contact you as soon as possible.

US Main Office events3

6161 Savoy Dr., Suite # 455 Houston, TX 77036, USA

World Wide Offices

Our interactive map below (click the globe) gives you visibility of our global offices. Click on the pin-point on the map to visit each regional office's website or to see the contact details for each office. Alternatively, select each country's flag to go directly to their website.

Corporate Office

22B Church St. Rushden,