Case study
Telco Company

A major telecommunications company operating in Poland, serving both individual and business clients. The organization provides comprehensive mobile, fixed-line, and data services, while continuously investing in 5G infrastructure, digital transformation, and customer-focused innovation.
Industry
Key Focus
Data Analytics

Meet the client
A leading telecommunications provider with a strong presence in the Polish market, serving millions of individual and business customers. The company offers a full range of mobile, fixed-line, and data services, while actively investing in 5G, digital transformation, and customer-centric innovations.
Business need
01
Predict customer churn with greater accuracy
02
Automate identification of high-risk customers
03
Enable timely, personalized retention actions
04
Reduce operational effort in customer outreach

Challenges
A leading telecom company faced a growing challenge: customer churn. Every month, a significant percentage of users were leaving for competitors — often without giving any warning or feedback. By the time dissatisfaction became visible, it was too late to react. This not only impacted revenue but also disrupted long-term growth and customer loyalty strategies.
To respond, the company needed a smarter way to understand its customers — before they decided to leave.
The solution
The solution was a data-driven, AI-powered approach that brought together predictive analytics and generative AI to deliver daily, automated insights. At its core, the system used machine learning models built on Amazon SageMaker to predict which customers were at the highest risk of churning. These models analyzed a wide range of internal data—such as billing patterns, service usage, and CRM activity—and continuously learned from new interactions.
But the real breakthrough came from combining prediction with action. For every at-risk customer, the system generated tailored retention suggestions using Amazon Bedrock, which tapped into large language models to craft personalized conversation scenarios. These ready-to-use insights were made available directly to consultants through internal systems, empowering them to engage customers more effectively and at the right moment.
The entire process was automated end-to-end. Data pipelines built on AWS Glue handled daily data updates, ensuring accuracy and speed. The solution required no manual data review, no scripting of messages—just actionable outputs, updated in real time and delivered where they were needed.
Company faced a critical business challenge of high customer churn, which threatened revenue stability and growth. The solution’s success was demonstrated through two primary Key Performance Indicators that directly measure business impact and improvement in the Client's customer retention efforts.
Technical Expert, Data & AI Team
IT Department

The results
Churn prediction accuracy improved from 65% to 85%
Reduction in monthly churn rate achieved within six months
Significant reduction in time spent on low-impact customer outreach
Daily, automated delivery of personalized retention scenarios to consultants
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