Quality Management  >  Quality Control and Quality Assurance

Quality Control and Quality Assurance

Quality control and quality assurance are the two building blocks of quality management. While QC helps identify and rectify defects, QA is used to prevent defects.

Quality Control and Quality Assurance
Quality Control and Quality Assurance

Quality Management is a regulatory requirement in most industries. But even if not mandated, it is a critical aspect of survival and growth as it directly impacts operational efficiency, resource optimization, and customer satisfaction.

Quality management rests on two pillars: Quality Control and Quality Assurance. Quality Control and Quality Assurance are interrelated but also distinct in activities and objectives. Quality control is a subset of quality assurance, which covers almost all aspects of the quality system. Some aspects of the quality system may be outside the purview of quality control and assurance activities and responsibilities, but will still require Quality Control and Quality Assurance to be effective.

ISO 9001 defines Quality Assurance as activities that ensure meeting the requirements of quality management objectives by focusing on the processes. It provides two-fold confidence about quality—on the one hand, it reassures the management of ensuring quality; and on the other hand, it also provides confidence to customers, partners, regulators, government agencies, and third parties of quality. It assures the quality of the product or service provided by the company through planned and systematic implementation of activities aimed to support the quality system.

Quality Control aims to fulfill the quality requirements specified by the quality management policy. Inspection and monitoring of operational techniques and activities form the core focus of quality control.

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Difference Between Quality Control and Assurance

There are several difference between quality control and assurance.

quality assurance
Quality Assurance

Quality assurance ensures the correct implementation of manufacturing techniques, processes, methods, and approaches, aligned with the quality management policies and goals, to ensure the quality and performance of the product or service. It helps proactively uncover risks and errors in the process to prevent issues in the final outcomes. This is done before quality control and aims to prevent defects and deviations. It integrates proactive and preventive approaches to quality and ensures conformance and compliance.

quality control
Quality Control

Quality Control is a process that ensures that the final product conforms to the specifications, meets the defined quality standards, is compliant with relevant regulations, and performs as expected. The focus is on the end product rather than the processes to achieve the final outcome. It is reactive in nature, detecting errors before they occur but before reaching the customer.

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A great QMS package

CQ has proven to be intuitive, easy to use and customization is as easy as speaking to the CQ team. The validation scripts are straightforward and easy to edit to meet our organizations particular needs. The system feels familiar while delivering the QMS system tools that we need and the CQ team is responsive to any questions that arise.

Dorothy Wilson,
Quality Assurance & Document and Records Specialist

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Ensure the quality of products and services meets the defined standards with our ComplianceQuest Quality Control Management Software

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Quality-centric Companies Rely on CQ QMS

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  • verily mono
  • 3m logo mono
  • tupperware mono
  • continental logo mono
  • vyaire mono
  • lifescan mono
  • lundbeck mono
  • cdc logo mono
  • qlik mono
  • csa group mono
  • impossible mono
  • fluence mono

Frequently Asked Questions

  • There are several differences between Quality Control and Quality Assurance. QA is more process-oriented while QC is primarily product-focused. The goal of both Quality Control and Quality Assurance, though, is ensuring a safe and effective product. QA is more proactive, identifying risks by monitoring and improving the manufacturing process continuously. QC is more reactive as it involves inspecting and testing the product after manufacturing to ensure conformance and compliance.


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