International Software Testing Qualifications Board

The International Software Testing Qualifications Board (ISTQB) is a software testing certification board that operates internationally. Founded in Edinburgh in November 2002, the ISTQB is a non-profit association legally registered in Belgium.

ISTQB Certified Tester is a standardized qualification for software testers and the certification is offered by the ISTQB. The qualifications are based on a syllabus, and there is a hierarchy of qualifications and guidelines for accreditation and examination. More than 1.4 million ISTQB exams have been delivered and over 1 million certifications issued; the ISTQB consists of 69 member boards worldwide representing more than 130 countries as of April 2025.