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Unified Commerce: One Platform for All Channels

02/17/2026
5 Minutes

Customers do not differentiate between online and offline – they expect a seamless shopping experience across all touchpoints. For merchants, this means systems, data, and processes must work together flawlessly across channels.

Unified Commerce addresses exactly this challenge. The approach goes beyond traditional omnichannel strategies: rather than isolated systems, there is a central platform that connects all sales channels – in real time and based on a single set of data.

How Customers Shop Today

Customer journeys are no longer linear. A product may be discovered on social media, researched online, tried in-store, and purchased via mobile. According to an HDE study, 55% of all online sales in Germany are now generated via smartphone, which consumers always have at hand (HDE Handelsverband Deutschland (2024): „ Online Monitor 2024“). Alternatively, customers may order products online and pick them up in-store.

These cross-channel interactions are now the norm. At the same time, expectations are rising: customers want real-time access to information, flexible payment options, and services that are usable across all channels.

This presents a clear challenge for merchants: Any break in the customer journey – such as incorrect stock levels, missing payment options, or unsynchronised customer data – has a direct impact on conversion rates and customer loyalty.

Omnichannel vs. Unified Commerce: The System Makes the Difference

Many midsize merchants have already expanded their sales channels – web shop, brick-and-mortar stores, and online marketplaces. This reflects the omnichannel approach.

The challenge lies in the backend: these channels often operate on separate systems.

  • Stock levels are not synchronised in real time
  • Customer data are stored in separate databases
  • Transactions are processed independently

This leads to inconsistencies throughout the customer journey. For example: customers who see a product as available online may not find it in store. Discount codes from newsletters may not be redeemable at the till. Loyalty cards may only work in-store, not online. These friction points cost sales and customer loyalty.

Unified Commerce tackles exactly this: All sales channels – online, mobile, in-store, and social commerce – are not simply run in parallel, but are integrated through a single central platform. Product, inventory, payment, and customer data flow in real time across all touchpoints. There are no more data silos, and no divide between online and offline. The result is a consistent system, with a single source of truth for all data.

What Unified Commerce Enables

With a unified platform, tangible benefits are created in day-to-day operations:

Consistent Customer Experience

All touchpoints access the same data. Customers perceive the company as a single entity – no matter which channel they use.

Real-time Capability

Stock, transactions, and customer data are always up to date. This reduces errors and improves service quality.

Greater Agility

New channels and services – such as "Buy Now, Pay Later" options or social media sales – can be integrated into the existing platform without complex IT projects.

Reduced Administration

When all data are consolidated in one system, time-consuming reconciliation between tools is eliminated. That saves time and resources.

Unified Commerce, therefore, is not just about the customer experience – it is the technological foundation for efficient and scalable commerce.

Market Dynamics: Why Integrated Systems Are Essential Now

Retail trends clearly show: isolated systems are reaching their limits.

Click & Collect Becomes Standard

According to a Capterra study, 51% of German consumers have already used Click & Collect – ordering online and picking up in store – and 90% rated the process as smooth (Capterra (2024): „Digitalisierung im Einzelhandel: Was sagen Konsumenten zur Automatisierung?“). For this to work, stock, orders, and payments must be synchronised in real time. Without integrated systems, delays and errors occur.

"Buy Now, Pay Later" as a Conversion Driver

BNPL is now standard in e-commerce: according to EHI Retail Institute, 75% of leading German online shops offer invoice purchase, and 36% also offer instalment payments (EHI Retail Institute (2024): „Online-Payment 2024“). The challenge: in physical stores, implementation often fails due to lack of system integration. For real-time credit checks, customer data, and payments at the POS, a shared data basis across all channels is required. Unified Commerce delivers exactly that. According to a study by Unzer and ECC Cologne, 59% of merchants report higher customer spend due to BNPL options (Unzer / ECC Köln (2023): „Fashionbranche unter Handlungsdruck: Wie Unified Commerce und Buy Now Pay Later helfen können“).

Mobile POS and New Store Concepts

More and more merchants are switching to mobile POS systems. A smartphone or tablet as a fully fledged checkout reduces hardware costs and enables consultation and flexible payments anywhere – in pop-ups or on field sales. Payment processing, product, and customer data must all converge in one system.

Self-Checkout and Automated Processes

Customers expect fast, seamless shopping with no waiting. Self-checkout and automated POS can only function if all back-end systems are connected. These developments make one thing clear: success is not determined by the number of channels, but by the ability to integrate them technologically.

Why Payments Are the Strategic Starting Point

Unified Commerce is often seen as a large-scale transformation project. In practice, entry can be greatly simplified – through payments.

The payment process is the point where all relevant information comes together: customers, products, transactions, and channels.

An integrated payments platform can serve as the starting point to:

  • Connect online and offline channels
  • Make data centrally available
  • Integrate new payment types and business models

From there, infrastructure can be expanded step by step – without completely rebuilding existing systems.

How Unzer Supports Unified Commerce

Unzer provides the integrated UnzerOne platform, which connects payment processes across all channels and serves as the basis of unified commerce architectures.

At the Point of Sale

Unzer accepts all common payment methods – from Girocard and credit cards to mobile wallets and "Buy Now, Pay Later" options, such as invoice and instalment purchases, fully digital and with real-time credit checks. Mobile and stationary terminal and POS solutions can be integrated with existing systems with minimal effort.

In E-Commerce

Unzer offers a gateway for all payment methods, with flexible integration via pre-configured checkout pages, SDKs, plugins for all major shop systems, and the Unzer REST API.

In the Backend

All data flows together on the Unzer platform, creating a consistent data base across all channels – enabling better decisions and optimised customer journeys.

Payment, product, and customer data are centrally accessible via the merchant dashboard. Orders and refunds can be managed, inventories synchronised across channels, and loyalty schemes such as vouchers implemented – all in a single interface.

More than 90,000 merchants across Europe already use this system successfully.

Unified Commerce Is an Operating Model – Not a Project

Unified Commerce is not a one-off implementation, but a strategic approach to retail.

For merchants, this means the technological foundation must integrate existing processes and be flexible enough to accommodate future requirements.

The ideal entry point is where all channels already converge – in payments.

To see how unified commerce works in practice and the role modern payment models play, download the Unzer White Paper: "Unified Commerce: The Future Concept for a Better Customer Experience."