4SELLERS — E-Commerce ERP Suite for German Multichannel Retailers

4SELLERS is a specialist e-commerce ERP platform from German vendor 4SELLERS GmbH, headquartered in Rain am Lech in Bavaria with further offices in Aachen, Leipzig and Hamburg. The company has roughly twenty-five years of digital-commerce experience and around two hundred employees, and targets growing multichannel retailers, classical mail-order businesses, wholesalers and manufacturers with direct-to-consumer operations. The product is positioned as an end-to-end suite that consolidates fragmented stacks of shop, Inventory Management (merchandise management), marketplace, warehouse and accounting into a single platform. Distinctively, 4SELLERS is not a stand-alone cloud ERP — it runs on top of an established ERP core such as Microsoft Dynamics 365 Business Central or Sage 100, which combines proven mid-market financial accounting with specialist multichannel functionality.

Overview

4SELLERS GmbH is one of the most established names in DACH e-commerce when the topic is bridging an ERP back-office to marketplace and shop sales. The company runs a product-led consulting model: implementation teams come from within the vendor, and the platform is positioned around long-term customer relationships rather than transactional licence sales. The product portfolio has expanded over the past several years to include marketplace connectors, Power BI reporting, automated shipping workflows and AI-supported order-optimisation features. The combination of a German-speaking implementation team, a growing partner ecosystem and close ties to the Microsoft Dynamics and Sage user communities makes 4SELLERS particularly visible to retailers that already operate inside one of those two ERP universes.

Functional sweet spot

4SELLERS covers the entire lifecycle of an online and multichannel commerce process. The ERP core delivers order management, purchasing, sales, master-data and item management, pricing and conditions, and reporting. On that foundation 4SELLERS layers classical e-commerce building blocks: a native shop system, a Shopify connector and integrations with major marketplaces including Amazon, eBay, Otto, Kaufland and Idealo. An integrated PIM (product information management) function centralises product data across all channels. Warehouse and shipping modules handle pick, pack and dispatch with mobile data capture; carrier integrations cover the standard DACH parcel services. Returns, customer service and dunning processes are integrated into the same workflow so that channel-level fragmentation does not propagate into the back-office.

DACH positioning

4SELLERS is squarely a DACH product: developed in Germany, with implementation teams across four German cities, and built around the Microsoft Dynamics 365 Business Central and Sage 100 ERP cores that dominate the German Mid-Market (mid-market). The combination of a proven domestic accounting platform with specialist commerce functionality is a preferred approach for German multichannel retailers because it pairs reliable financial-accounting with the dynamic feature requirements of online retail. DATEV (the German accounting exchange standard), GoBD (digital-bookkeeping principles), ZUGFeRD and XRechnung e-invoicing are covered through the underlying ERP core rather than as separate add-ons, which keeps the compliance story straightforward for German retailers.

Pricing and implementation

4SELLERS is sold as a project rather than a self-service subscription: pricing depends on the underlying ERP core (Business Central or Sage 100), user count, channel and marketplace scope, and warehouse complexity. Total cost of ownership therefore stacks the underlying ERP-platform cost on top of the 4SELLERS extension, which makes it materially more expensive than entry-level e-commerce ERPs such as Billbee or JTL-Wawi but typically more cost-effective than building marketplace and warehouse integration onto a bare Business Central or Sage 100 from scratch. Implementation is delivered by 4SELLERS directly with a growing partner network. The vendor advises on multichannel strategy, marketplace compliance and warehouse processes as part of the implementation engagement.

Selection considerations

4SELLERS is a defensible choice for DACH multichannel retailers in the SMB-to-mid-market bracket that already plan to use Microsoft Dynamics 365 Business Central or Sage 100 as their ERP core and want a productised commerce extension rather than a custom-built one. It is less compelling for retailers that prefer a single-vendor cloud-native platform (Xentral, 3MO or Plentymarkets fit there), for very small e-commerce starters (Billbee or JTL-Wawi fit better), or for retailers operating at extreme shipment volumes where 360e or specialist enterprise WMS platforms provide more operational depth. The defining buyer profile is a Microsoft- or Sage-aligned multichannel retailer that values the predictability of an established ERP backend.

Vendor homepage of 4SELLERS

Current view of the website https://4sellers.de/

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Häufig gestellte Fragen

How long does it take to implement 4SELLERS?

Depending on complexity, an ERP implementation takes 3 to 18 months. Cloud solutions are often productive within 4–12 weeks, while classic mid-market ERPs need 6–12 months for requirements analysis, customising, data migration and training. More under ERP implementation.

How secure is 4SELLERS with regard to data protection?

For cloud ERPs, the server location (ideally EU/Germany), a data processing agreement (DPA) and BSI C5 or ISO 27001 certifications are key criteria. GDPR compliance should be explicitly documented by the provider. The exact arrangement depends on the industry, company size and customising depth of the specific ERP setup.

How is 4SELLERS developed further?

Cloud ERPs typically receive monthly to quarterly releases automatically. On-premises ERPs have annual major releases with active patch maintenance. Release notes and the roadmap can be viewed at the vendor.

What happens to my data if I cancel 4SELLERS?

With cloud ERPs, a good provider guarantees data export in an open format (CSV, JSON, SQL dump). The contract should explicitly regulate the data return obligation, deletion period and format. The exact arrangement depends on the industry, company size and customising depth of the specific ERP setup.

Which support SLAs does 4SELLERS offer?

Standard support usually covers business days from 8 a.m. to 6 p.m. with a response time of around 4 hours. Premium/24x7 SLAs come at an extra charge. With cloud providers, availability SLAs (e.g. 99.9%) are important — check the contract!