The PSI issues four types of certificates: Quality Mark, Supervision Mark, Halal and conformity certificates. According to the internal certifications system (the Pa​lestinian Quality Mark No. 1/2004) and its five annexes.

As it is internationally known, product quality is the main concern of the consumer. However, their basic requirements are determined according to the national or international standard of those products. This contributes to improve customer satisfaction, and the producers would be more able to fulfill their customer's desires and requirements.  This would be considered one of the ultimate goals of quality management systems implementation.

Within the framework of this certification system, the industrial and business sectors can improve their performance and the quality of their products, and add a competitive advantage for their products and services.​