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Many companies measure success based on individual sales or projects, but often overlook the fact that the same customer can bring in revenue repeatedly over the years. This principle is called customer lifetime value (in English) Customer Lifetime Value) – an estimate of how much revenue a customer generates for you on average over the course of your relationship. While many companies focus solely on quick profits from the first purchase, the lifetime value principle can bring long-term success, which leaves short-term thinking behind.
The following article discusses why understanding customer lifetime value is one of the most important business principles, how it impacts pricing strategy and marketing campaigns, and what practical steps you can take to successfully implement it. If you've only looked at one-time sales numbers so far, it's time to discover how the same customer can bring multiple benefits – especially if he makes repeat purchases or recommends you to his network.


1) Basic formula: Customer Lifetime Value (CLV) shows how much profit a company can earn on average from a single customer over the entire customer lifetime. The simplified formula for calculating CLV is as follows:
KEV=(Average profit per purchase)×(Annual purchase frequency)×(Customer relationship duration in years)+(Monetary value of recommendations)
Depending on the business, the exact calculation of KEV can be more complex, but the gist of it is always the same: estimate how much revenue one customer will actually bring to your company over a long period of time.
2) Average profit per transaction: For the product or service you are selling, you should know the average profit (not turnover) per purchase. If a customer buys your average product for €100 and your profit is €20, the profit number for the purchase is 20.
3) Purchase frequency: Does the customer buy monthly, quarterly, annually? For example, if there are 4 purchases per year, this means a profit of €80 per year for you (if the profit per purchase is €20).
4) Average duration: In general, you can expect a customer to stay with you for, say, 3 years (or 5, depending on the business). However, this number can significantly vary depending on the field, but it is better to put rough estimate if nothing.
5) Recommendations: If each customer brings 1-2 new buyers a year and they in turn behave similarly, the monetary value of these recommendations can be added to the original customer's KEV. A satisfied customer may recommend your service, bringing in new customers.
Practical example:
So we see that every customer who gave a „20 € profit at first glance“ can bring in a long time dozens of times higher income.

1) Pricing for the first purchase: If there is intense competition in the market, it may be smart Make a particularly attractive offer on the first purchase. You know that if the customer is satisfied, you will cover the loss of this „discount“ with future purchases. For example, it could be „first month free“, „free consultation“, etc., which apparently leaves no profit, but opens the door to a longer relationship.
2) Motivation for a permanent relationship: Since you know that a relationship that lasts for years is profitable, it's worth investing in customer service (or reducing churn). By offering loyalty programs, VIP status, or a personal assistant, customers have emotional motivation Bonus structures for those signing longer contracts (e.g. in the B2B sector) can be much more beneficial than short contracts.
3) Larger marketing budget: Many managers shy away from expensive campaigns because they want to make a profit immediately. Knowing KEV will help you invest more confidently. for first-time customer acquisition, because it pays off in the long run. For example, if one customer's KEV is €500, you can afford to spend up to €100–200 on advertising to "buy" them, knowing that over time you will reach the profit.

1) Difference between B2C and B2B: In consumer businesses, the frequency of purchases may be high (e.g. grocery stores, e-commerce), while the average profit per purchase may be low. In B2B, each transaction may yield higher profit, but the purchase cycle can be long. Here, the lifespan of one customer can last 5–10 years if the cooperation goes smoothly.
2) Subscription systems: In subscription-based businesses (such as software licenses, telephone or internet services), KEV is particularly well-suited noticeable, because the customer pays monthly. It is important to keep these customers as satisfied, because every one that leaves means lost potential revenue.
3) One-time vs. recurring purchase: In some areas (e.g. wedding dresses), the likelihood of repeat purchase is low, but part of the recommendation component may be decisive. So even if one customer doesn't buy again, they can still bring you new customers.

1) Differentiation of market segments: If you discover that a certain customer group brings in a much higher average revenue, it pays to focus It is better to focus on a group whose KEV is, for example, 2–3 times higher than to try to catch „everyone“.
2) Evaluation of marketing channels: You can assess which channel brings in the best customers – those who stay with you longer and spend more. If you get a large number of one-time buyers through one marketing channel, but fewer customers who stay through another channel, for a long time, the second channel may turn out to be more profitable.
3) Resilience to economic fluctuations: A model focusing on the KEV principle can be more flexible during an economic crisis. Loyal customers, whom you have previously carefully focused on, may not immediately abandon you in a crisis situation. So a long-term strategy is often safer than a short-term profit-seeking.

1) Amplification of a good experience: Any buyer who is satisfied with the service can be valuable guide, who will continue to talk about the company. If, on average, one customer brings 1–2 new customers, the KEV of these new customers will be directly added to the value of the original buyer.
2) Recommendation system: As discussed in a previous article, it is worth creating a separate mechanism that encourages customers to mention you. For example, motivational bonuses, discount codes or reminders help increase number of recommendations.
3) Connectivity with other strategies: KEV principles can be linked to A/B tests and risk-free with offers. If you implement risk-reversing guarantees, customers have safer an investment that, in the long run, will increase the number of loyal buyers.

1) Make at least one approximate calculation: Just starting out: estimate what the typical purchase frequency and average customer retention rate is. Even if the number is imprecise, it is better than nothing – you give yourself a guideline on what to start improving.
2) Analyze purchasing behavior: Collect data on which of your customers are repeat buyers. You may find that some customers make dozens of purchases over a five-year period, while others make just one. Break this information down into segments (age, occupation, location, marketing channel, etc.).
3) Reduce departure: Establish a customer relationship management plan where every concern or problem gets a quick resolution. By increasing retention and satisfaction, you automatically increase KEV.
4) Invest in bonuses: Is it a loyalty program, a discount on every 5th purchase, or a special offer – all of that? extends The main point: to encourage as much as possible that the customer does not „forget“ you and constantly finds a reason to come back.
5) Improve the first impression: Often, the first experience (first purchase or demo) is what determines whether a person stays with you for a longer period of time. Quality customer service, quick response, and exceeding expectations create a strong foundation for a long-term partnership.

1) Combined offers: For example, offer customers additional products or services that additional their initial purchase. Keyword: Cross-sell or up-sell – by increasing the single transaction, you also increase the KEV.
2) Growing service package: In professional services (accounting, legal services, IT maintenance), what started as a small package or project-based service can grow into a large-scale collaboration. You just have to consciously Offer expansion, not expect the client to ask for it themselves.
3) Timely follow-up contact: Don't wait for the customer to contact you for their next purchase. Arrange follow-up calls, ask about satisfaction, and share new or important offers when the time is right.

The concept of customer lifetime value turns head to head the usual business setup, where everything is focused on one transaction and immediate profit. Instead of maximizing revenue from the first sale, the customer is looked at as a permanent partner, from whom you can receive repeat orders, larger purchase volumes, recommendations and a strong relationship. When you are ready to see the bigger picture, you will realize that the value of one customer can be many times greater than you first thought.
Suggested action plan:
Long-term observation shows that it is precisely this deepening customer relations understanding creates a strong and sustainable business. One-time sales may seem tempting, but loyal customer means stability, resale potential, referrals, and greater profit potential. All thanks to a simple but often underused concept: customer lifetime value.
Now the only question is whether you want to continuously treat every buyer as a one-time sales opportunity or you'll start thinking of them as as a long-time friend, who can bring recurring benefits to your business. This very decision can determine your business's growth, security, and competitive advantage for years to come. It all starts with about the change in mind: let's look beyond today's deal and see what value a long-term relationship can have.