Quality assurance is a broad process for preventing quality failures. The QA team is involved in all stages of a product's development: production, testing, packaging, and delivery. In contrast, quality control (QC) is a narrower process.
- Increases customer confidence: QA helps companies build credibility and customer confidence.
- Helps companies compete: QA helps companies compete in their market.
- Establishes standards: QA sets and maintains requirements for products and services.
- Improves processes: QA helps companies improve their work processes and efficiency.