CISQ is the Italian representative in IQNet, the largest International Association of Certification Bodies in the world (more than 200,000 management system certificates issued in the worldwide); there are 38 Certification Bodies present in more than 150 countries.

Under the IQNet agreement, CISQ certified companies can use the IQNet certificate document, which give the certifications international validity. CISQ certified companies are allowed to use the IQNet mark.