Shamkris Global Group


What is WHO PQS?

The WHO Performance, Quality, and Safety (PQS) process prequalifies products and devices so that member states and UN purchasing agencies are assured of their suitability for use in immunization programs. The PQS process also encourages a wide range of manufacturers to apply for prequalification so that a competitive marketplace develops.

The WHO PQS Devices Catalogue includes details of all immunization-related products currently pre-qualifies by WHO for procurement by United Nations agencies, in addition to comprehensive guidance notes to help purchasers make informed choices. The catalog is updated whenever a change occurs with regards to a product, a manufacturer, or a laboratory.

Benefits of WHO PQS Certification

Sustainable supply chain



Growth in business

Enhance Sustainable Growth

Global feed safety management system

Who can be certified WHO PQS Certification?

Cold rooms

freezer rooms

Refrigerated vehicles

Refrigerators and freezers

Cold boxes and vaccine carriers


Temperature monitoring devices

Cold chain accessories

Injection devices for immunization

Waste management equipment

Injection devices for therapeutic purposes

Document required for WHO PQS Certification

The extent of Documented Information differs as per:

Role of Shamkris and Process of WHO PQS Certification​

Shamkris adopts a results-oriented approach to compliance product certification, A simple & practical method of product certification organization in timely compliance and fulfills the product certification requirement. Shamkris support 100% on documentation required to comply with product certification either by self-certification or notify body certification to depend on directives. 

The implementation process is described below:

Time Frame



Day 1

Scope defined
WHO PQS Certificate
Cost Estimates

Week 1

Developing Documents

Week 4

Implementing Product Management System

Week 8-12

WHO PQS Testing

Week 12-14

WHO PQS Inspection

Week 14-16

WHO PQS Certification Granted

Year on Year

Yearly Compliance


The Performance, Quality and Safety (PQS) Catalogue includes WHO prequalified products used in immunization programs such as cold chain equipment, syringes, safety boxes, temperature monitoring devices and other clod chain and logistics equipment.
A PQS is a professional quantity surveyor and this person role effectively is to stand in the client’s shoes, in terms of managing the costs and legal processes of the building project.