The word omnichannel gets used in pitch decks and strategy documents as if it were a feature you can switch on. In practice, omnichannel is a delivery and operations challenge. It means that your ecommerce platform, ERP, product data, inventory, pricing, and customer information all need to work together across every channel you sell through — your own site, marketplaces, B2B portals, physical stores, and mobile apps.
Most businesses already sell through multiple channels. The question is whether those channels share the same data, or whether each one operates as its own silo with its own product uploads, its own inventory count, and its own pricing logic. The gap between multichannel and omnichannel is not a marketing distinction — it is an integration and architecture distinction.
Multichannel vs. omnichannel: the real difference
In a multichannel setup, each channel often has its own product feed, its own stock levels, and its own order flow. Omnichannel solves this by centralising the data layer. Product information comes from one source (typically a PIM system or the ERP). Inventory is synchronised in real time or near-real time. Orders from all channels flow into one order management process.
What omnichannel demands from your platform
Norce is built around a commerce engine that separates the data layer from the frontend, making it well suited for businesses that need to serve multiple storefronts, B2B portals, and marketplaces from a single product and order backend. Shopware handles multi-channel through its Sales Channels feature. Shopify supports omnichannel through Shopify Markets, Shopify POS, and marketplace integrations. Magento / Hyvä provides maximum flexibility through its multi-website and multi-store architecture.
The integration layer is where omnichannel succeeds or fails
Platform choice matters, but the integration architecture matters more. Omnichannel requires that data flows reliably between your ecommerce platform, ERP, warehouse, marketplace connectors, POS system, and potentially a PIM and CRM.
The critical flows are inventory synchronisation, order routing, pricing consistency, and product data distribution. When these flows are built as point-to-point integrations, the complexity grows fast. A middleware or integration layer that acts as the central hub keeps this manageable. This is architecture work that belongs in the discovery phase, not something bolted on after launch.
B2B omnichannel is different from B2C
B2C omnichannel is primarily about consistency. B2B omnichannel adds complexity because pricing is often customer-specific, ordering may involve approval workflows, and the buying journey typically spans digital self-service, sales rep interaction, and sometimes physical meetings. This requires tighter integration between the ecommerce platform, CRM, and ERP than most B2C scenarios.
Where to start
The most common mistake is trying to achieve omnichannel everywhere at once. Identify the two or three channels where inconsistency causes the most pain and build the integration layer for those first.
Start with clean product data (which may mean implementing a PIM), connect inventory synchronisation between your primary channels, and centralise order management. Once the data layer is solid, adding new channels becomes incremental rather than a new project each time.


