What Are the Top Quality Assurance Certifications? If you want to be a QA tester in software, ISTQB certification is the best certification because: ISTQB certification is the top QA tester certification in the United States and globally. ISTQB certification is the standard for QA testing among those working in software QA and is requested by U.S. employers in their job postings. ISTQB certification from ASTQB & AT*SQA gives you extra free benefits including a listing on both the Official U.S. List of Certified Software Testers™ as well as the ISTQB successful candidate register. ASTQB and AT*SQA advertise the Official U.S. List of Certified Software Testers™ to employers millions of times yearly. ISTQB certification from ASTQB & AT*SQA also gives you Testing Tiers® points to increase your QA tester ranking level in the official list. Given that ISTQB certification is the best quality assurance certification, which of the many ISTQB certifications should you take? The answer is easy: ISTQB Foundation Level. You must pass the ISTQB Foundation Level certification exam before you can earn any other ISTQB certification. After you pass ISTQB Foundation Level, the QA career roadmap is beneficial in determining which certification you should take next. Our official ISTQB exam provider AT*SQA also provides insights on the top quality assurance certifications as they answer “Which certification is best for QA testers?” Learn more about certification for QA testers and their teams.