The purchase journey is no longer linear. Consumers search online, check in-store availability, pick up in store an order placed from home, and return at the till an item bought on the website. The line between eCommerce and the point of sale is crossed multiple times in the same day, often without the customer even noticing.
For retailers, the channel is no longer a category. Online and offline are not two separate businesses: they are two sides of the same purchase moment, and they need to be designed together. Anyone who keeps treating them as separate worlds forces the customer to feel a fracture: different prices, availability that doesn't match up, a purchase history that disappears when moving from the website to the shelf.
Many companies read omnichannel as presence: being on the website, on marketplaces, on social media, in the store. But being on multiple channels doesn't mean offering a single, unified experience. The real issue is continuity: customers expect the same catalog, the same prices, the same history wherever they are.
When systems remain separate, continuity breaks down. The eCommerce platform doesn't know what's in the store, the store is unaware of the online order, and customer data lives in different silos. The result is a fragmented experience, where every channel starts over from scratch.
According to the Osservatorio Omnichannel Customer Experience by Politecnico di Milano, only 7% of companies can be considered "advanced" in omnichannel. 29%, meanwhile, are still "in preparation," with no defined strategy. In most cases, the gap is not one of intent but of infrastructure: the channels exist, but they don't talk to each other.
Uniting online and the store requires a single infrastructure that manages catalog, inventory, orders, and customers from one place. That's exactly what happens when the store is built connected to eCommerce from the start, rather than bolted on afterward through fragile integrations.
Shopify POS follows this logic: tills and physical stores share the same backend as the online store. There isn't a "store system" and a "website system" to painstakingly keep in sync: there is just one system, and the till is simply another access point to it. Everything else follows from this.
The difference between a cash register and an omnichannel POS isn't in the act of taking payment, but in what happens around it. Here's what actually changes when the till and the website share the same backend.
Single inventory, updated in real time. Every sale — in store or online — updates the same stock at the same instant. There's no "website" stock and "store" stock: there is a single availability, distributed across multiple locations and visible everywhere. This eliminates overselling at the root and makes it possible to know, at any moment, where every single product is.
A single customer profile. The person walking into the store is the same person who buys on the website. With a connected POS, purchase history, contact details, and any loyalty program follow the customer from the website to the shelf. Sales staff recognize who they're dealing with, can retrieve previous orders, and offer informed service. That same data then feeds marketing activities and segmentation, with no duplicates or mismatches.
Flexible pickup and delivery. Buy online with in-store pickup (click & collect), local delivery, buy in-store with home shipping: these are native scenarios, not features to build. The customer chooses where to complete the purchase and where to receive it, and the system routes the order accordingly.
Endless aisle. If a product isn't physically in the store but exists in the catalog, staff can still sell it from the till and ship it directly to the customer from another location or from the warehouse. The display floor stops being the limit of the assortment: the store sells the entire catalog, not just what's on the shelves.
Returns and exchanges with no channel boundaries. An order placed online can be returned or exchanged in store, and vice versa. For the customer, it's simply normal; for the business, it means managing the flow in a single environment, with stock and refunds always consistent. It's one of the points where the fracture between channels shows the most — and one where a single system makes the clearest difference.
Payments, hardware, and checkout. Terminals, card readers, and methods like mobile contactless payment all integrate into the same ecosystem, with centralized payment reconciliation. Gift cards, discounts, and promotions also apply consistently online and in-store, with no rules to replicate by hand across two systems.
A single data dashboard. Physical and digital sales flow into the same backend. Reporting doesn't require manually merging different sources: performance by channel, by store, by product, and by customer can be read in a single view. This is what makes omnichannel not just an experience for the customer, but a management lever for the business.
A real-world case? Discover the Paper on the Shopify POS project delivered by Cooder.
Tools enable, but they don't decide. Uniting online and the store means redesigning processes, roles, and data flows: how a cross-channel return is handled, who touches stock and under what rules, how prices and promotions are aligned, how customer data moves across departments. The platform provides the technical foundation; continuity comes from how it's put into practice in each company's real business.
Cooder, a brand of Impresoft Univerce, Shopify Premier Partner, supports enterprise clients on this journey: designing and implementing Shopify eCommerce solutions built around each company's real needs. The team of expert professionals handles the integration of online stores and physical locations — unified inventory, consistent customer data, a seamless experience across every channel.
In 2026, Cooder implemented a Shopify POS project for one of its enterprise clients. The Paper walks through the project from a technical perspective, with the right questions for evaluating a POS implementation.