CSWIP scheme certifies and assures personnel competence to ISO/IEC 17024. For instance, personnel engaged in welding, joining, materials integrity and inspection in manufacturing, construction, operation or repair of high integrity structures, plant or machinery.

A certified CSWIP 3.1 welding inspector is simply a welding inspector with certain experience and criteria which is approved by CSWIP through a specific requirement to enter the exam in accordance to BS EN ISO 17637:2016.