KPICustomer Success & Service

Quality Assurance (QA) Score

Average score from internal interaction monitoring against defined quality standards

What is Quality Assurance (QA) Score?

Quality assurance score is the average score given to audited customer interactions against a set of quality criteria. It shows how well agents follow standards and serve customers.

It gives structured feedback for coaching and helps ensure consistent service.

How this KPI is measured

Function
Customer Success & Service
Sub-function
Service Delivery
Industry
All Industries
Type
Lagging
Impact
Quality
Unit
score (0–100)
Measurement frequency
Weekly / Monthly
Formula
Sum of QA audit scores / Number of interactions audited

How to calculate it

Add up the QA audit scores and divide by the number of interactions audited.

For example, if 100 audited interactions scored a combined 8,900 out of 100, the average QA score is 89.

Use a clear scorecard with criteria such as accuracy, empathy, process and compliance, calibrate reviewers so they score consistently, and audit a fair sample.

Where it is used

  • Coaching agents

    Give specific feedback.

  • Ensuring compliance

    Check required steps.

  • Tracking service quality

    Monitor over time.

How to improve it

Tips and common mistakes

  • A high QA score is only useful if it links to customer satisfaction.
  • Review the scorecard regularly.
  • Involve agents in calibration.

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