Klark's blog

Discover how to precisely calculate the ROI of customer service software: detailed formulas, key indicators, concrete examples with real figures (ROI from 300% to 1800%), and methods for maximizing your return on investment.

Find out all about CSAT (Customer Satisfaction Score): clear definition, calculation formula, sample questions and best practices for measuring and improving customer satisfaction in real time.

Discover the complete guide to CRM for call centers: definition, essential features, detailed comparison of the best 2025 solutions (Salesforce, Zendesk, HubSpot), how to choose and integrate successfully.

Discover call center 2.0: definition, 7 technological pillars (cloud, omnichannel, AI), step-by-step guide to transforming your traditional call center, concrete examples and best practices to succeed in your digital transformation.

Discover the complete guide to quality monitoring for call centers: definition, 2025 technologies (speech analytics, AI), comparison of the best QA software, deployment methods and best practices for improving service quality.

Discover how to improve your call center's performance: essential KPIs, 7 optimization levers, essential tools, benchmarks and best practices to boost efficiency, quality and team well-being.