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What is customer retention?

Customer retention is far, far more than just marketing jargon. In simple terms, customer retention is the rate at which you can get existing customers to return, and when done right, it can be a very profitable metric to focus on. But why is it as important as finding new customers, and what does it mean in practice? This Ello Group guide provides you with all the information you need to know about customer retention, including why customer retention is important.

Kristina Singleton

08-08-2025

Man shopping in a supermarket with a trolly full of groceries and his arms full

What does “customer retention” mean?

Customer retention quantifies your business's ability to maintain ongoing relationships with customers and is measured by metrics like repeat purchase rates, engagement frequency, and ultimately, customer lifetime value. It's the antithesis of churn (the percentage of customers who stop doing business with you), representing instead those who stay, spend more over time, and often become brand advocates.

Retention isn’t strictly the opposite tactic to reaching new customers – the yin to the yang of finding first-time buyers. In any good strategy, there should, of course, be room for both. But focusing on new customers to the detriment of keeping existing customers happy is a very, very common mistake.

Why customer retention matters.  

No matter how much customer acquisition gets the spotlight, the real power lies in keeping them coming back time and again. Here's why retention should be your top priority.

It's cost-effective.

Winning over a new customer is never easy and never cheap. Between advertising spend, sales incentives, and the time it takes to convert interest into action, acquiring a new customer is many times more expensive than keeping an existing one. That’s why strong retention makes sense: it protects your margins, reduces churn, and rewards the investment you’ve already made. 

It creates steady revenue streams. 

One-off sales might look great on a graph, but they won’t sustain a business long-term. That’s why pyramid schemes don’t work! Returning customers spend more over time and are far more likely to explore new products or services you launch. And depending on what you offer, they can also create predictable income: something every business needs to plan, grow, and invest safely.

It provides valuable customer insights.

Every returning customer leaves a trail of helpful information. What they buy, when they buy it, and how they engage with your brand – these insights are gold dust. With the right tools, this data can guide smarter decisions across the board, from product development to personalised marketing. Loyal customers are also more likely to respond to surveys, give feedback, and participate in beta launches. In other words, they help you do what you already do, but better.

It drives natural business growth.

When you treat your customers well, they become advocates. That means word-of-mouth marketing, authentic reviews, and organic social proof. This kind of growth doesn’t rely on big-budget campaigns or gimmicks but happens because people genuinely value what you offer. In a world where trust is hard-won and easily lost, customers who remain loyal are your best marketing strategy.

Effective customer retention strategies.

Keeping customers coming back requires more than just good products. It demands thoughtful, intentional strategies. Here’s how to turn one-time buyers into lifelong advocates.

  • Develop tailored loyalty schemes. A good loyalty programme doesn’t just reward spending; it deepens the relationship. Start by understanding what your customers actually value. Is it discounts? Exclusive access? Priority support? Effective customer loyalty schemes can be tailored to your brand and customer profile.

  • Personalise every customer interaction. So much can be personalised, from the name in an email subject line to tailored product recommendations. Ensure that your emails, ads, and content align with what your customers truly care about. Personalisation isn’t just digital! Even small human touches, such as remembering a customer’s last in-store purchase, can go a long way.

  • Focus on exceptional customer service. Fast, empathetic, knowledgeable service can turn a frustrated customer into a fiercely loyal one. Start by giving your customer service team the tools and authority they need to resolve issues quickly, rather than simply deflecting callers. When people feel heard, they’re more likely to forgive and stay loyal, often coming away with a stronger connection to your brand than they had initially.

  • Build an engaged community. People want to feel part of something. That could mean engaging social content, exclusive events, behind-the-scenes stories, or shared values they care about. Give your customers reasons to keep checking in, not just when they need to make a purchase. A strong community adds depth to your brand and turns one-time shoppers into lifelong cheerleaders and fans.

Implement these ideas and you’ll instantly be ahead of the vast majority of the competition.

Ready to improve your customer retention? Talk to Ello Group today. 

At Ello Group, we help businesses create bespoke benefits schemes that genuinely support employees. We work with thousands of businesses, creating tailoredloyalty and rewards platforms with a range of work-life balance perks. Did you havedining rewards andentertainment benefits in mind? Or do you prefer the idea ofcoffee shop rewards andcinema rewards? Whatever the case, we’re pretty sure your customers will love the savings that Ello Group can offer them.

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