12 Most Important Customer Support KPIs


The top KPIs for Customer Support are instrumental for Product Management as they provide quantifiable metrics that reflect the performance and quality of the customer service being provided. These indicators help in identifying patterns in customer inquiries and issues, which can signal areas where the product might require improvement or where additional features could enhance user satisfaction.

KPIs also enable Product Management to gauge the effectiveness of support strategies and initiatives, ensuring that resources are allocated efficiently to improve customer satisfaction and retention.

This article showcases the Most Critical 12 KPIs for Customer Support and Associated Benchmarks.

1. Customer Satisfaction Score (CSAT)

Customer Satisfaction Score (CSAT) is a critical performance indicator that gauges customer perceptions of service quality.

High CSAT scores correlate with customer loyalty, repeat purchases, and positive word-of-mouth, directly impacting revenue growth. Organizations that prioritize CSAT can enhance operational efficiency and drive strategic alignment across departments.

By embedding CSAT into their KPI framework, executives can make data-driven decisions that improve customer experiences. Learn more about the Customer Satisfaction Score (CSAT) KPI.

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We have 7 benchmarks for this KPI available in our database.

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2. Net Promoter Score (NPS)

Net Promoter Score (NPS) serves as a pivotal indicator of customer loyalty and satisfaction, directly influencing retention and referral rates.

High NPS correlates with increased customer lifetime value and lower churn, driving sustainable revenue growth. Organizations leveraging NPS effectively can align their strategies with customer expectations, enhancing operational efficiency and overall financial health.

This KPI acts as a leading indicator for future business outcomes, allowing executives to track results and make data-driven decisions. Learn more about the Net Promoter Score (NPS) KPI.

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We have 32 benchmarks for this KPI available in our database.

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3. Retention Rate

Retention Rate is a vital KPI that measures customer loyalty and satisfaction, directly impacting revenue stability and growth.

High retention rates often correlate with increased customer lifetime value and lower acquisition costs. Businesses that prioritize retention can achieve significant operational efficiency and strategic alignment, leading to improved financial health.

A strong retention strategy fosters a data-driven decision-making culture, enhancing overall business outcomes. Learn more about the Retention Rate KPI.

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We have 6 benchmarks for this KPI available in our database.

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4. First Contact Resolution Rate

First Contact Resolution Rate (FCR) is a critical KPI that measures the percentage of customer inquiries resolved on the first interaction.

High FCR correlates with improved customer satisfaction and operational efficiency, leading to enhanced retention and loyalty. Companies that excel in FCR often experience lower operational costs, as fewer follow-up interactions are required.

This metric serves as a leading indicator of customer experience and can significantly impact financial health by reducing churn. Learn more about the First Contact Resolution Rate KPI.

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We have 11 benchmarks for this KPI available in our database.

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5. Resolution Rate

Resolution Rate is a critical performance indicator that measures the efficiency of resolving customer issues.

High resolution rates correlate with improved customer satisfaction and retention, directly impacting revenue growth and brand loyalty. Companies that excel in this metric often experience reduced operational costs and enhanced team morale.

By leveraging data-driven decision-making, organizations can identify trends and optimize workflows, leading to better service delivery. Learn more about the Resolution Rate KPI.

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We have 5 benchmarks for this KPI available in our database.

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What is the standard formula?
(Total Number of Issues Resolved / Total Number of Issues Received) * 100


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6. Average Resolution Time

Average Resolution Time (ART) is a critical performance indicator that reflects the efficiency of customer service operations.

It directly influences customer satisfaction, operational efficiency, and financial health. A lower ART indicates a streamlined process, leading to enhanced customer loyalty and retention.

Conversely, a higher ART can signal inefficiencies that may erode trust and increase operational costs. Learn more about the Average Resolution Time KPI.

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We have 2 benchmarks for this KPI available in our database.

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7. Customer Effort Score (CES)

Customer Effort Score (CES) measures how easy it is for customers to interact with a company, influencing customer satisfaction, loyalty, and retention.

A lower CES indicates streamlined processes and higher operational efficiency, while a higher score often signals friction points that can lead to churn. Companies that prioritize reducing customer effort typically see improved financial health and stronger business outcomes.

By tracking CES, organizations can make data-driven decisions that enhance customer experiences and align with strategic goals. Learn more about the Customer Effort Score (CES) KPI.

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We have 6 benchmarks for this KPI available in our database.

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8. Customer Churn Rate

Customer Churn Rate is a critical performance indicator that reflects customer retention and loyalty.

High churn rates can signal underlying issues in product satisfaction or service quality, ultimately impacting revenue and profitability. Reducing churn can lead to improved customer lifetime value and operational efficiency, while enhancing forecasting accuracy for future revenue streams.

Companies that actively manage churn are better positioned to align their strategies with customer needs, driving sustainable business outcomes. Learn more about the Customer Churn Rate KPI.

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We have 6 benchmarks for this KPI available in our database.

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9. Customer Lifetime Value (CLV) Impact

Customer Lifetime Value (CLV) is a critical metric that quantifies the total revenue a business can expect from a single customer account throughout the relationship.

It influences key business outcomes such as customer acquisition strategies, retention efforts, and overall profitability. Understanding CLV helps organizations align their marketing and sales initiatives with long-term financial health.

By leveraging this KPI, businesses can make data-driven decisions that enhance operational efficiency and improve customer experiences. Learn more about the Customer Lifetime Value (CLV) Impact KPI.

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We have 18 benchmarks for this KPI available in our database.

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What is the standard formula?
(Average Purchase Value x Purchase Frequency) x Customer Lifespan


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10. Support Coverage Ratio

Support Coverage Ratio measures the availability of support resources relative to demand, serving as a leading indicator of operational efficiency.

A high ratio signifies robust customer service capabilities, enhancing customer satisfaction and retention. Conversely, a low ratio can indicate potential service gaps, leading to increased customer churn and dissatisfaction.

This KPI directly influences financial health by affecting customer loyalty and revenue stability. Learn more about the Support Coverage Ratio KPI.

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We have 4 benchmarks for this KPI available in our database.

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What is the standard formula?
(Number of Support Agents / Number of Active Customers or Open Tickets)

11. Service Level Agreement (SLA) Compliance Rate

Service-Level Agreement (SLA) Compliance Rate is a vital KPI that measures how well organizations meet their service commitments.

High compliance rates correlate with improved customer satisfaction and retention, directly impacting revenue growth. Conversely, low compliance can lead to increased churn and operational inefficiencies.

By tracking this metric, executives gain analytical insight into service performance and can identify areas for improvement. Learn more about the Service Level Agreement (SLA) Compliance Rate KPI.

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We have 4 benchmarks for this KPI available in our database.

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12. Customer Health Score

Customer Health Score serves as a vital leading indicator of overall customer satisfaction and engagement, influencing retention rates and revenue growth.

A high score typically correlates with strong customer loyalty, while a low score can signal potential churn risks. Companies that actively monitor this KPI can make data-driven decisions to enhance operational efficiency and improve financial health.

By aligning customer success initiatives with strategic goals, organizations can optimize their resource allocation and drive better business outcomes. Learn more about the Customer Health Score KPI.

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We have 2 benchmarks for this KPI available in our database.

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What is the standard formula?
Custom formula based on weighted metrics (usage, satisfaction, etc.) specific to each organization


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These 12 Customer Support KPIs were selected to provide a balanced view of operational efficiency, customer experience, and financial impact. They combine leading indicators like First Contact Resolution Rate and Customer Effort Score with lagging metrics such as Retention Rate and Customer Lifetime Value Impact. This subset captures the full customer support funnel, from issue resolution to long-term customer health, ensuring comprehensive performance measurement for support teams.

Track Customer Satisfaction Score (CSAT) alongside Net Promoter Score (NPS) to differentiate immediate service quality from long-term loyalty trends. Monitor First Contact Resolution Rate together with Average Resolution Time; a rising resolution time despite high first contact resolution signals complexity or resource constraints. Compare Retention Rate and Customer Churn Rate regularly—divergence between these reveals data inconsistencies or segmentation issues in customer tracking.

Prioritize implementing CSAT, First Contact Resolution Rate, and Retention Rate first. These KPIs require minimal data integration and provide immediate insight into service quality, operational efficiency, and customer retention. After establishing these, layer in NPS and Customer Effort Score to deepen understanding of loyalty drivers and friction points. The full Customer Support KPI set, with detailed formulas and benchmarks, is available in the KPI Depot database.

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Related Best Practices


These best practice documents below are available for individual purchase from Flevy , the largest knowledge base of business frameworks, templates, and financial models available online.


KPI Depot (formerly the Flevy KPI Library) is a comprehensive, fully searchable database of over 20,000+ KPIs and 30,000+ benchmarks. Each KPI is documented with 12 practical attributes that take you from definition to real-world application (definition, business insights, measurement approach, formula, trend analysis, diagnostics, tips, visualization ideas, risk warnings, tools & tech, integration points, and change impact).

KPI categories span every major corporate function and more than 150+ industries, giving executives, analysts, and consultants an instant, plug-and-play reference for building scorecards, dashboards, and data-driven strategies.

Our team is constantly expanding our KPI database and benchmarks database.

Got a question? Email us at support@kpidepot.com.



Each KPI in our knowledge base includes 12 attributes.

KPI Definition

A clear explanation of what the KPI measures

Potential Business Insights

The typical business insights we expect to gain through the tracking of this KPI

Measurement Approach

An outline of the approach or process followed to measure this KPI

Standard Formula

The standard formula organizations use to calculate this KPI

Trend Analysis

Insights into how the KPI tends to evolve over time and what trends could indicate positive or negative performance shifts

Diagnostic Questions

Questions to ask to better understand your current position is for the KPI and how it can improve

Actionable Tips

Practical, actionable tips for improving the KPI, which might involve operational changes, strategic shifts, or tactical actions

Visualization Suggestions

Recommended charts or graphs that best represent the trends and patterns around the KPI for more effective reporting and decision-making

Risk Warnings

Potential risks or warnings signs that could indicate underlying issues that require immediate attention

Tools & Technologies

Suggested tools, technologies, and software that can help in tracking and analyzing the KPI more effectively

Integration Points

How the KPI can be integrated with other business systems and processes for holistic strategic performance management

Change Impact

Explanation of how changes in the KPI can impact other KPIs and what kind of changes can be expected


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