July 29, 2026 · Guide · 7 min read

Cross-Border E-Commerce: Successfully Expanding to EU Marketplaces

For many German online retailers, the sales horizon ends at the German border – yet the EU single market with over 440 million consumers offers enormous potential. Austria, Switzerland, France, the Netherlands, and Poland are reachable for well-prepared retailers without dramatically increasing operational complexity.

The key lies in proper preparation: those who understand the legal, logistical, and technical requirements can build cross-border e-commerce systematically.

Which Markets Are Worth Targeting First

Austria is the most natural first step for German retailers. Same language, similar buying habits, high Amazon.de usage, and short delivery routes make entry comparatively straightforward. Switzerland is not an EU member and requires customs declarations, but remains attractive due to high purchasing power.

The Netherlands and Belgium are highly e-commerce-oriented markets with established platforms like bol.com. France offers access to one of Europe's largest consumer markets through Amazon.fr and Cdiscount.

Legal Requirements in EU Countries

EU consumer law applies uniformly, but country-specific regulations still exist: France requires different mandatory information on invoices than Germany. Austria has its own labeling requirements for certain product categories.

The most important legal question is VAT. As soon as annual net revenue from private customers across all other EU countries together exceeds €10,000, VAT must be paid in each recipient country. The One-Stop-Shop (OSS) procedure significantly simplifies reporting: all foreign VAT is declared in a single central report with Germany's Federal Central Tax Office.

Logistics for Cross-Border

DHL and UPS offer international standard products sufficient for many shipments. For higher shipment volumes to individual countries, a local carrier contract is worthwhile – such as PostNL for the Netherlands or DPD France.

Delivery times are critical: European customers expect 2–5 business days. Operating a warehouse in the target country or using a local fulfillment provider enables same-day or next-day delivery, significantly boosting conversion rates.

Technical Integration in Colly.io

Colly.io supports orders from international Amazon marketplaces (Amazon.fr, Amazon.nl, Amazon.at) centrally in a single interface. Tracking information is automatically transmitted back to the respective channel, regardless of the carrier used. Inventory management considers all warehouse locations – whether in Germany or abroad.

Conclusion

Cross-border e-commerce is not a project for large corporations. A retailer shipping 5,000 parcels per month domestically can tomorrow ship 1,000 parcels to Austria and the Netherlands – using the same system, with no additional operational burden.