ISTQB exams are offered through external Exam Providers. AT*SQA is a global ISTQB exam provider, so you can take your ISTQB exam at home or at a testing center anywhere in the world. AT*SQA is the official ISTQB exam provider for ASTQB, the American Software Testing Qualifications Board. ASTQB is the official representative of ISTQB in the United States. When you take and pass your ISTQB exam through AT*SQA, you can appear on 2 lists: both the Official U.S. List of Certified Software Testers, plus the ISTQB Successful Candidate Register. Go to the website of our official ISTQB exam provider AT*SQA.