Prioritize measurable operational capabilities: WMS functionality and integrations, throughput capacity, order accuracy rates, SLA and cut-off times, receiving and putaway efficiency, returns handling, security/compliance, and flexibility to scale during peak season. Request KPIs and recent performance reports to validate claims.

Compare cost components: storage (pallet/m2), inbound receiving charges, pick-and-pack fees, per-order minimums, returns processing, kitting/assembly, technology or integration fees, and seasonal surcharges. Evaluate total landed fulfillment cost including transport to end customers and carrier pass-throughs.

Key corridors include the E42 and E411 for road distribution, the Meuse for river barge options, and rail/feeders to Antwerp/Zeebrugge ports and Liège cargo facilities. Strong parcel coverage (national and international couriers) and direct lane access to France and Luxembourg are important for quick cross-border transit.

Yes—multi-client 3PLs spread fixed costs and can offer competitive unit economics. Reasonable SLA expectations: next-day domestic fulfillment, 1–3 day cross-border transit in Western Europe, pick accuracy above 99%, published cut-off times, real-time inventory visibility, and defined return processing windows.

Verify WMS features, API or EDI connectivity, marketplace/order management connectors, real-time inventory and order status feeds, automated shipping labeling and carrier rate-shopping, reporting dashboards, and a documented testing and go-live plan with rollback procedures to minimize disruption.