Assess WMS/API integration, throughput SLAs (orders/hour), dock and sortation capacity, temperature control options, and contingency plans for spikes. Review onboarding timelines, minimums, billing models, and the provider’s experience with returns and kitting for omnichannel flows.

Shippers gain reduced last‑mile windows into Greater London and the South‑East, dense carrier pickup options, and efficient road links for palletised and parcel freight. These factors lower multi‑carrier transit variability and can cut same‑day/next‑day delivery footprints.

Compare storage density (racking vs bulk), pick/pack pricing, inbound handling, minimums, slotting fees, returns processing charges, and fuel or congestion surcharges. Factor in inventory carrying costs and potential savings from regional transit time reductions.

Yes — many 3PLs offer multi‑client warehousing, modular pick/pack rates, and tiered service levels enabling small brands to scale. Verify SLA flexibility, returns workflows, reverse logistics capabilities, and integration support to ensure predictable unit economics as volumes change.