Prioritize proximity to major motorways and rail terminals, direct carrier connections, access to Sofia Airport for airfreight, available cross‑dock space, and bonded/temporary storage options. Also evaluate yard capacity, trailer turnaround times, and local last‑mile carrier density to ensure predictable lead times.

Expect modular pricing: storage (per pallet/m2), handling (inbound/outbound pick & pack), order processing fees, and value‑added services. Include variable transport rates, fuel surcharges, minimum monthly activity, and defined chargebacks for damages or SLA breaches. Negotiate rate tiers tied to volume and seasonality.

Include order accuracy, on‑time outbound departure, dock-to-stock time, inventory accuracy, and lead time to despatch. Add defined remedies for SLA misses, reporting cadence, EDI/API uptime, and audit access. Clear KPI measurement windows and acceptance criteria reduce disputes.

Consider customs regime (EU member state rules), transit documentation, and whether bonded storage or customs intermediation is needed. Lead times vary by destination and mode—road to nearby Balkan markets is short, while rail/sea consolidations may add days. Plan buffer days for cross‑border checks during peak periods.

Assess WMS capabilities (lot tracking, real‑time inventory), API/EDI connectivity, fulfillment automation, and reverse logistics workflows. Verify returns processing SLAs, inspection procedures, restock timelines, and integrated reporting to support omnichannel customer expectations and inventory accuracy.