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5 Reasons to Use Customer Data for Restaurants in 2026

Noémie Daniel
January 12, 2026
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Rising costs, more volatile customers, and a proliferation of ordering channels make the daily life of restaurant owners a busy one. In this context, continuing to make decisions based on instinct is increasingly risky. 

This is precisely where customer data comes in handy. Faced with pressure on margins and ever-increasing customer expectations, it is no longer reserved for large chains. Collected from cash registers and digital tools, it becomes a real management tool for everyday use, helping you to better understand your business, prioritize the right actions, and make faster and more profitable decisions, without complicating your organization.

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5 good reasons to leverage your customer data in 2026

1. Build customer loyalty without increasing promotions

Rather than sending the same offer to everyone, customer data allows you to target your actions. For example, you can follow up only with customers who haven't visited in a month or reward those who order lunch regularly.

The benefits are threefold: fewer unnecessary discounts, greater impact, and more profitable customer loyalty.

2. Provide a smoother experience (without slowing down the service)

Your customers want to move quickly, especially during peak hours. With data, you can streamline the customer journey without overburdening your teams or adding operational complexity.

Recognizing a loyal customer, offering them what they usually order, or allowing them to easily switch between channels improves the overall experience, while simplifying your staff's daily work.

3. Increase average basket size with relevant suggestions

Sales data clearly shows which products are often ordered together or when certain supplements work best. 

This allows you to automatically suggest a complementary dessert or drink at the right moment, either at a kiosk or at checkout. These recommendations, based on actual habits, help increase the average basket size without forcing the sale. They are perceived as useful and non-intrusive by customers.

4. Drive your marketing with numbers, not intuition

SMS campaigns, loyalty programs, special offers for specific niches, without data, it's difficult to know what really works and what needs to be adjusted. 

By leveraging your customer data, you can measure the real impact of each action: number of returns, revenue generated, changes in traffic. This allows you to invest your time and budget where they are truly effective.

5. Adjust your offer before sales decline

Data allows you to anticipate rather than react. A gradual decline in sales, a niche market that is shrinking, a new trend that is emerging—your figures quickly highlight these signals before they become an operational problem.

Adapting your map, your schedules, or your organization is then based on concrete data, rather than an emergency response to a decline in performance.

👉 To go further: How can you centralize your restaurant's data to make better decisions?

Customer data to be collected in restaurants 

In the restaurant business, there's no need to collect too much information or try to find out everything about your customers. The goal is not to get bogged down in information. First name, email address, order history, frequency of visits, and channel used (dine-in, takeout, Click&Collect) are more than enough to better understand your customers' habits.

This information already enables numerous concrete actions to be taken: 

  • Identify your regular customers;
  • Reach out to those who haven't returned in a while; 
  • Adapt your offers according to consumption times;
  • Slightly personalize communication without making it intrusive.

The goal is therefore not to know too much about your customers, but to know just enough to act effectively, without burdening the organization or creating mistrust among customers.

In practice, many restaurant owners already rely on their data to manage their day-to-day operations.

"Thanks to Innovorder, my entire business is quantified. I constantly rely on data to make my decisions."
Stéphane Merceron, BChef franchisee in Cholet

👉 To go further: The 8 key data points to boost your franchise's profitability in 2025

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Respecting the confidentiality of customer data in restaurants

Collecting customer data involves complying with certain rules (GDPR) in order to protect their privacy and build trust. This means informing your customers about the information you collect, obtaining their consent, securing this data, and allowing them to easily unsubscribe or request its deletion.

In practice, dedicated restaurant tools now automatically incorporate these requirements. Your connected cash register, CRM, or loyalty programs manage data collection and storage in full compliance, saving you from getting lost in the legal complexities.

Following these rules not only protects your customers, it also builds trust. Customers feel reassured when they know their information is being handled properly, which can increase their loyalty and improve your image.

With the right tools, staying compliant becomes simple and natural, while allowing you to continue leveraging your data to run your restaurant efficiently.

👉 To go further: 7 reasons to create a website for your fast-food restaurant

The main data tools in the restaurant industry and their practical uses

To truly benefit from your customer data, it's best to use the right tools. Here are the ones that make a difference in everyday restaurant operations, and how to use them effectively.

👉 To go further: What if the data from your terminals were your best tools for increasing sales? 

Your customers are not numbers, but their habits are. In reality, the answers to many operational questions are already right in front of you. Leveraging this data simply means learning how to interpret it in order to build customer loyalty without eating into your margins, increase average basket size without pushing too hard, anticipate trends before your competitors, and more. 

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How can you use your data without wasting time or energy? The experts at Innovorder have the right solutions for your daily restaurant business.

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Christophe Peinoche
Christophe Peinoche
Catering expert
"With 20 years' experience working for some of the world's largest foodservice groups, I'm helping the sector with its digital transformation through innovative digital solutions."
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Romain Vardon
Romain Vardon
Catering expert
"With solid experience in developing key accounts, I'm supporting the digital transformation of the foodservice sector by proposing innovative digital solutions to optimize operations."
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Caroline Motamedi
Catering expert
"After several years' experience in a major foodservice group, I support key accounts in optimizing their operations and digital transformation."
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