Reducing Customer Churn for Long-term Success

April 15, 2025

– 6 minute read

Discover what customer churn is, why it happens, and how to reduce it with proven strategies to boost retention, revenue, and customer lifetime value.

Cormac O’Sullivan

Author

Whether you're selling products or services, a loyal customer base is key to sustainable growth. However, many businesses face the challenge of customer churn—when existing customers stop doing business with them during a given time period. This often results in a decline in revenue, higher customer acquisition costs, and reduced customer lifetime value.

In today’s competitive market, acquiring new customers can be costly. Studies show that retaining an existing customer is five to seven times cheaper than acquiring a new one. Despite this, many companies overlook strategies to reduce customer churn and fail to prioritize customer experience improvements. This leads to a high churn rate and difficulty in building long-term success.

This article explores customer churn, why it happens, and actionable steps businesses can take to lower it. By the end, you'll have a better understanding of how improving customer retention can reduce costs, increase profits, and create more satisfied, loyal customers.

What is Customer Churn?

Customer churn, also known as attrition, occurs when customers stop using a company’s products or services within a specific time period. It's one of the most critical metrics for assessing business performance, especially for subscription-based companies. The churn rate is calculated by dividing the number of customers lost by the number of customers at the start of the period. For example, if you began the month with 1,000 customers and lost 50, your churn rate would be 5%.

A high churn rate often signals poor customer service, unmet expectations, or competitive pressures. Businesses with high churn may struggle to maintain revenue streams and may need to spend more on marketing to acquire new customers. On the other hand, companies that focus on reducing customer churn see increased customer lifetime value, more predictable revenues, and stronger customer loyalty.

Tracking customer churn helps businesses identify problem areas. It also allows companies to implement targeted strategies, such as improving the customer experience and offering better customer support, to retain more customers over time.

Understanding and addressing customer churn is essential for building long-term success. In the following sections, we’ll dive deeper into the common causes of churn and how you can proactively tackle them.

Why Does Customer Churn Happen?

Customer churn can occur for various reasons, including poor customer service, a lack of engagement, and product dissatisfaction. However, businesses often overlook involuntary churn, which occurs due to payment failures rather than a customer actively choosing to leave. Payment-related issues are a major contributor to churn, especially in subscription-based businesses. Below are four common causes of payment failures that lead to customer churn.

Outdated Payment Information

Payment methods expire or become outdated, especially when customers forget to update their details after receiving new bank cards. This often happens without the customer's immediate awareness, resulting in declined transactions. If customers don't receive timely reminders to update their payment information, businesses risk losing them permanently.

By proactively using tools like account updaters, which automatically sync new card information with payment systems, companies can prevent declines due to outdated details. Many payment processors, such as Stripe and PayPal, offer this functionality to reduce churn caused by expired cards.

Payment Server Errors

Payment processing errors, such as server downtime or technical malfunctions, can disrupt transactions. These errors are often beyond the customer’s control but can still create frustration and erode trust in your service. If customers encounter repeated payment failures due to server issues, they may abandon your business and switch to competitors offering a more reliable customer experience.

To address this, businesses should prioritize payment system uptime and redundancy. Implementing multiple payment gateways ensures that if one server fails, another can handle the transaction without interruption.

Lost or Stolen Cards

When customers lose their credit or debit cards, they usually cancel them immediately to prevent unauthorized transactions. However, this also means their recurring payments won’t go through until they update their account with new card information. Many customers forget to update their payment details for ongoing services, leading to involuntary churn.

Businesses can mitigate this by sending dunning emails—automated payment reminders that notify customers when payments fail and prompt them to update their information. Clear communication and user-friendly account portals make it easier for customers to correct their payment details quickly.

Insufficient Funds

Sometimes customers have insufficient funds in their accounts at the time of a transaction. This can be common for businesses dealing with monthly billing cycles that coincide with other financial commitments customers may have, such as rent or mortgage payments. Multiple failed payment attempts can push customers to abandon the service altogether if they feel penalized by strict policies or fees.

To address this, companies can implement flexible retry logic, allowing multiple attempts to process the payment over several days. Additionally, in-app lockouts can provide a gentle reminder for customers to update their payment method while maintaining access to their account settings. Offering payment flexibility can reduce the likelihood of permanent churn in these situations.

How to Lower Customer Churn

Reducing customer churn requires targeted strategies that focus on both customer experience and operational improvements. Payment-related issues are a significant contributor to involuntary churn. Addressing these through automation and proactive communication can greatly improve customer retention and long-term business success. Three key approaches include account updaters, dunning emails, and in-app lockouts.

Account Updaters

Account updaters help businesses prevent payment failures due to outdated card information. Many payment processors, such as Stripe and Adyen, offer tools that automatically update a customer's payment credentials when changes occur. For subscription-based services, where recurring payments are the norm, account updaters play a crucial role in keeping payments seamless. Without this feature, customers may unknowingly miss payments, leading to service disruption and, eventually, churn. By automating the process, businesses can reduce declines caused by expired or replaced cards and ensure better customer satisfaction.

Dunning Emails

Dunning emails are automated reminders sent to customers after a payment fails. These emails notify customers of the issue and prompt them to take corrective action, such as updating their payment details. Effective dunning emails are timely, clear, and customer-friendly. They should provide easy access to account management tools and emphasize the importance of maintaining uninterrupted service. Businesses that implement dunning strategies often see a significant recovery rate for failed payments, preventing unnecessary loss of customers. Regular follow-up emails spread over a few days further increase the chances of successful payment recovery.

In-App Lockouts

In-app lockouts provide a less disruptive way to prompt customers to address payment failures. Instead of completely blocking access to the service, businesses can restrict specific features while still allowing customers to use parts of the product or service. For example, a streaming platform might limit access to new content but let customers continue using previously downloaded material. This approach minimizes frustration while creating a sense of urgency to resolve the issue. Soft reminders within the app encourage customers to update their payment information without alienating them, leading to higher retention rates.

These strategies, when used together, can significantly reduce involuntary churn. By ensuring that payment issues are handled smoothly, businesses can protect their revenue streams and enhance the overall customer experience. Improving retention through such measures is essential for maintaining long-term growth and reducing the high costs associated with acquiring new customers.

Conclusion

Customer churn is a critical metric that impacts business growth and profitability. While some churn is voluntary, a significant portion results from avoidable payment failures. Implementing strategies like account updaters, dunning emails, and in-app lockouts can help businesses reduce churn by ensuring smoother payment processes and better customer experience. Retaining an existing customer is far more cost-effective than acquiring new ones, making customer retention a vital focus for long-term success. By proactively addressing the causes of churn, businesses can enhance customer satisfaction, increase customer lifetime value, and ultimately achieve more stable, predictable revenue streams

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