Call Quality Score is a critical performance indicator that reflects the effectiveness of customer interactions.
It influences customer satisfaction, operational efficiency, and revenue retention.
High scores correlate with improved customer loyalty and reduced churn, while low scores can signal underlying issues in service delivery.
Organizations that prioritize this metric often see enhanced financial health and better alignment with strategic goals.
By leveraging data-driven decision-making, companies can track results and implement improvements that drive ROI.
This KPI serves as a key figure in management reporting, providing insights into the quality of service and its impact on business outcomes.
Call Quality Score carries two very different standings. In the Call Center Operations KPI group it is a headline measure, ranked 7th of 52 members and named directly in the group's own summary as one of the quality metrics that anchors the set. It shares that top tier with Customer Satisfaction Score (CSAT) at second, First Call Resolution (FCR) at third, and the efficiency line Cost per Call at eighth. In the Service Quality KPI group its priority drops to 26th of 56, sitting behind CSAT, First Contact Resolution, Customer Retention Rate, and the Quality of Service Index (QSI).
The metric belongs to the internal process perspective and behaves as a leading indicator. The quality of an interaction is scored at the point of contact and tends to move ahead of the satisfaction and resolution outcomes it feeds.
Its sharpest tension is with the efficiency co-metrics in the same call center group. The group's own guidance warns that pushing Average Handle Time (AHT) and Cost per Call down can degrade Call Quality Score if agents rush, so a center that celebrates a shorter handle time may be quietly eroding the quality it also claims to value. A second, quieter tension runs to Call Transfer Rate, where weak quality scores often surface the coaching gaps that drive avoidable transfers.
The raw material lives in the quality-monitoring stack: recorded calls, the QA scorecard, and increasingly speech analytics that score interactions automatically. The formula divides the summed quality metrics by the number of calls evaluated, so the first decision is which calls enter that denominator. Random sampling, targeted sampling of escalations, and full automated coverage produce different scores from the same agents.
Then settle the rubric. The criteria and their weights, compliance, accuracy, professionalism, resolution, have to be fixed and calibrated, because the score means little across teams if evaluators grade to different standards. Decide too whether the output is a percentage or a point total, since the group's satisfaction metrics are expressed in points while quality scores often run as percentages, and mixing the two invites confusion.
Segmentation by agent, team, issue type, and channel is where the score earns its keep, mainly as a coaching input. Watch two instrumentation traps: inter-rater reliability, when manual reviewers disagree, and observation bias, when agents know which calls are monitored and lift their behavior only for those.
Many organizations overlook the nuances of Call Quality Score, leading to misinterpretations that can hinder performance.
Enhancing Call Quality Score requires a multifaceted approach focused on training, technology, and feedback loops.
We have 1 relevant benchmark in our benchmarks database.
Source: Subscribers only
Source Excerpt: Subscribers only
Formula: Subscribers only
| Value | Unit | Type | Company Size | Time Period | Population | Industry | Geography | Sample Size |
| Subscribers only | percent | threshold | calls (assessed via call quality score) | BPO |
Browse the Top Benchmarked KPIs in Call Center Operations
A single external reference frames this metric: Goodcall, which describes it in a business process outsourcing setting as a weighted average of quality factors such as compliance, accuracy, professionalism, and problem resolution. That definition is useful but loosely specified, so customers should verify a few things before trusting any outside figure.
First, confirm the rubric and the weighting behind it, since two centers can both call something a quality score while grading different criteria at different weights. Second, check the scale, because some sources express the result as a percentage and others as a point total, and the two are not interchangeable. Third, note the population and setting, here BPO calls sampled for evaluation, which may not match an in-house center's call mix or its monitoring coverage.
Call Quality Score is already written into the Call Center Operations OKR set as a key result under the objective to enhance contact quality and boost customer satisfaction and loyalty. There it sits alongside CSAT, First Call Resolution, and Customer Effort Score, and the rationale is explicit: higher call quality drives first contact resolution, which cuts repeat calls and customer effort. A directional key result, advancing the score on monitored interactions, ladders cleanly to that satisfaction and loyalty objective.
A second framing comes from the group's coaching guidance, which uses Call Quality Score data to find the gaps that push Call Transfer Rate down. Under an objective to raise first-contact handling, the score works as the diagnostic key result that targets training rather than a number chased for its own sake. Any figure a team attaches should read as an illustrative internal goal, since the honest commitment is to move the score in the right direction.
This KPI is associated with the following categories and industries in our KPI database:
KPI Depot takes you from KPI intelligence to finished deliverable. Consultants, strategy teams, FP&A leaders, and analytics teams use it to answer the two hardest questions in performance management, what to measure and what the target should be, and then to produce the scorecard itself.
The difference is intelligence, not just data. Anyone can list metrics. Every KPI in KPI Depot carries 13 practical attributes, from formula and measurement approach to diagnostic questions, risk warnings, and Balanced Scorecard perspective, across 15 corporate functions and 153 industries. And every target you set is grounded in our database of 34,304 source-attributed benchmarks, each detailing metric value, company size, time period, industry, geography, sample size, and source. Benchmark data at this scale is otherwise the domain of research services costing thousands to hundreds of thousands of dollars per year.
When your metrics are selected, KPI Depot finishes the job: export an interactive Strategy Map, a Balanced Scorecard with formulas and tracking columns, or a CSV KPI pack, and go from research to working deliverable in hours instead of weeks.
Formerly the Flevy KPI Library, KPI Depot is trusted by teams at organizations including Accenture, EY, IBM, PepsiCo, Samsung, and Vodafone.
Got a question? Email us at [email protected].
Call Quality Score measures the effectiveness of customer interactions during calls. It evaluates various factors, including clarity, resolution rates, and customer satisfaction.
The score is typically calculated based on a combination of quantitative metrics and qualitative assessments. Factors like call duration, resolution rates, and customer feedback are often included in the calculation.
This KPI is crucial because it directly impacts customer satisfaction and retention. High scores indicate effective service delivery, while low scores can signal issues that need immediate attention.
Regular reviews are essential, ideally on a monthly basis. Frequent monitoring allows organizations to identify trends and make timely improvements.
Yes, leveraging technology like AI analytics can provide valuable insights into call performance. These tools help identify areas for improvement and enhance training programs.
Ongoing training is vital for maintaining high Call Quality Scores. It equips staff with the skills needed to meet evolving customer expectations and handle diverse scenarios effectively.
Each KPI in our knowledge base includes 13 attributes.
A clear explanation of what the KPI measures
The typical business insights we expect to gain through the tracking of this KPI
An outline of the approach or process followed to measure this KPI
The standard formula organizations use to calculate this KPI
Insights into how the KPI tends to evolve over time and what trends could indicate positive or negative performance shifts
Questions to ask to better understand your current position is for the KPI and how it can improve
Practical, actionable tips for improving the KPI, which might involve operational changes, strategic shifts, or tactical actions
Recommended charts or graphs that best represent the trends and patterns around the KPI for more effective reporting and decision-making
Potential risks or warnings signs that could indicate underlying issues that require immediate attention
Suggested tools, technologies, and software that can help in tracking and analyzing the KPI more effectively
How the KPI can be integrated with other business systems and processes for holistic strategic performance management
Explanation of how changes in the KPI can impact other KPIs and what kind of changes can be expected
NEW Mapping to a Balanced Scorecard perspective (financial, customer, internal process, learning & growth)