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Warehouse Management System for Ecommerce

Sell Everywhere. Manage Everything. One Dashboard.
Take control of inventory, picking, packing, and shipping across every warehouse location. Built for Amazon, Shopify, Walmart, and multichannel sellers.
Integrates with your favorite platforms
Inventory Management

Real-Time Inventory Visibility Across Every Location

Accurate inventory is the foundation of ecommerce success. Willow WMS delivers live inventory synchronization between your warehouses, sales channels, and fulfillment partners.
Available Stock
12,456
+ 236
Reserved Inventory
3,892
– 12
In-Transit Stock
1,245
+ 89
Safety Stock Levels
2,100
0
Built for Speed

Picking, Packing, and Shipping Workflows Built for Speed

Warehouse productivity depends on efficient picking and packing. Willow WMS provides mobile barcode scanning, pick path optimization, and packing station verification to reduce errors and increase throughput.
Picking methods supported:
  • Single order picking
    One order at a time for simple operations
  • Batch picking
    Multiple orders picked in a single warehouse pass
  • Wave picking
    Scheduled pick waves based on carrier cutoff times or priority
  • Zone picking
    Assigned pickers per warehouse zone for large facilities
Packing station features
  • Scan-to-pack verification confirms the right items in the right box
  • Pack slip and shipping label printing at the packing station
  • Box size recommendations based on order contents
  • Custom packing instructions per channel or customer
Shipping workflow integration
  • Automatic carrier selection based on service level and cost
  • Bulk label generation for high-volume shipping days
  • Tracking number capture and sync back to sales channels
  • End-of-day manifest generation for carrier pickup
East Cost Hub
Active
2892 274 97.3%
SKUs Orders Accuracy
West Cost Hub
Active
3416 193 97.3%
SKUs Orders Accuracy
Central Fulfillment
Active
3497 488 97.2%
SKUs Orders Accuracy
Multi-Location

Multi-Warehouse and Multi-Location Inventory Management

Growing ecommerce brands need inventory in multiple locations. Willow WMS provides centralized control over every warehouse, fulfillment center, and storage location in your network.
  • Unified dashboard
    View inventory, orders, and shipments across all locations
  • Location-based allocation
    Set rules for which warehouse fulfills which orders
  • Stock transfers
    Move inventory between warehouses with full tracking
  • Zone and bin management
    Organize each warehouse with custom location hierarchies
  • Consolidated reporting
    Aggregate metrics across your entire warehouse network
  • Load balancing
    Balance fulfillment load across locations during peak season
Whether you operate two warehouses or twenty, Willow WMS scales with your business without adding complexity.
Built for Speed
Willow processes fulfillment logic in real time, so orders route correctly the moment they arrive from your sales channels.
Reverse Logistics

Returns and Reverse Logistics Management

Returns are a reality of ecommerce. Willow WMS provides structured workflows for receiving, inspecting, and restocking returned inventory.

Returns management features:

  • Return reason capture for reporting and analysis
  • Quality grading workflows (new, like-new, damaged, defective)
  • Automatic inventory updates on restock completion
  • Integration with marketplace return policies (Amazon, Walmart, eBay)
  • Refund and replacement order triggers
Track return rates by SKU, channel, or customer to identify problem products and reduce future returns.
1
  • Return authorization
    Generate RMA numbers and return labels
2
  • Receiving
    Scan returned items into the warehouse
3
  • Quality inspection
    Check condition and determine disposition
4
  • Restocking
    Return sellable items to available inventory
5
  • Disposition
    Route damaged items to refurbishment or disposal
150+ Integrations
  • Marketplace integrations
Amazon
Amazon vendor central
Wallmart Marketplace
logo-walmart-dsv
Sale on ebay
etsy
target
Wayfair
Tiktok Shop
  • Shopping cart integrations
shopify
shopify plus
woocommerce
bigcommerce
magento
Volusion
  • Fulfillment program support
  • Amazon FBA
    Manage FBA inventory and create FBA shipments
  • Walmart WFS
    Send inventory to Walmart Fulfillment Services
  • Seller Fulfilled Prime
    Support SFP requirements from your warehouse

Shipping Carrier Connections and Rate Optimization

Willow WMS connects to major shipping carriers for label generation, rate shopping, and tracking synchronization.

Carrier integrations

usps
Fedex
ups
DHL
Amazon Shipping
Royal Mail
Pair Willow WMS with Willow Shipping Optimization to reduce shipping costs further through carrier negotiation and packaging analysis.
  • Rate shopping
    Compare rates across carriers to find the lowest cost
  • Bulk label printing
    Generate hundreds of labels in minutes
  • Tracking sync
    Push tracking numbers to orders and sales channels
  • Manifest generation
    Create end-of-day carrier manifests
  • Multiple accounts
    Connect multiple carrier accounts per warehouse
Insights & Reporting

Warehouse Analytics and Performance Reporting

Willow WMS provides dashboards and reports to track warehouse performance, identify bottlenecks, and make data-driven decisions.
Warehouse KPIs tracked
Export data to your BI tools or ERP for deeper analysis and cross-functional reporting.
92.9%
92.9%
2.4h
Avg Cycle
12.5x
Turnover
  • Real-time dashboards with key metrics at a glance
  • Inventory aging reports to identify slow-moving stock
  • Employee productivity reports by user and task type
  • Channel performance comparisons
  • Custom report builder for specific business needs
3PL Ready

Built for 3PL and Multi-Client Warehouse Operations

Third-party logistics providers need warehouse software that supports multiple clients, separate billing, and client-specific workflows. Willow WMS delivers all three.
  • Client segregation
    Separate inventory, orders, and reporting per client
  • Client-specific workflows
    Custom picking, packing, and shipping rules
  • Billing and invoicing
    Track storage, handling, and shipping fees by client
  • Client portal access
    Give clients visibility into their inventory and orders
  • White-label options
    Remove Willow branding for client-facing interfaces
  • 3PL billing features
  • Storage fees by cubic foot, pallet, or bin
  • Pick and pack fees by order, item, or weight
  • Shipping markup and passthrough options
  • Monthly invoice generation per client
  • Integration with accounting software for billing automation
Whether you manage fulfillment for two brands or two hundred, Willow WMS scales to support your client base.
Proven Results
  • Real-Time Inventory Tracking
    Keep accurate tabs on your inventory levels with real-time tracking and updates, minimizing stockouts and overstock situations.
  • Automated Order Fulfillment
    Speed up order processing and reduce errors with automated picking, packing, and shipping workflows.
  • Optimized Storage Solutions
    Maximize your warehouse space with intelligent storage solutions that organize your inventory for quick access and efficient retrieval.
  • Seamless Integration
    Our WMS integrates seamlessly with your existing systems, ensuring a smooth flow of information and consistent data across your entire operation.
  • Scalability and Flexibility
    Adapt to changing business needs with a WMS that scales with your growth, allowing you to manage multiple warehouses and distribution centers effortlessly.

Frequently Asked Questions

What is a warehouse management system for ecommerce?

A warehouse management system for ecommerce is software that tracks inventory, manages picking and packing workflows, and coordinates shipping for online retail operations. Unlike general warehouse software, ecommerce WMS integrates with marketplaces, shopping carts, and shipping carriers to support the full order lifecycle.

Does Willow WMS support multiple warehouses?

Yes. Willow WMS supports unlimited warehouse locations with centralized inventory visibility, stock transfers between locations, and intelligent order routing to the optimal fulfillment center.

Can I use Willow WMS with Amazon FBA?

Yes. Willow integrates with Amazon Seller Central to manage FBA inventory, create FBA shipments, and track FBA stock levels alongside your merchant-fulfilled inventory.

Does Willow WMS include barcode scanning?

Yes. Willow supports mobile barcode scanning for receiving, picking, packing, and cycle counting. Use any Android or iOS device with the Willow mobile app.

How does Willow WMS handle returns?

Willow provides structured return workflows, including RMA generation, receipt of returns, quality inspection, and restocking. Return data syncs with your sales channels and inventory records automatically.

Is Willow WMS suitable for 3PL providers?

Yes. Willow includes multi-client support, client-specific billing, and client portal access designed for third-party logistics operations.

What shipping carriers does Willow connect to?

Willow integrates with USPS, FedEx, UPS, DHL, Amazon Shipping, and regional carriers. Rate shopping compares options to find the lowest cost for each shipment.

How long does implementation take?

Most Willow customers live within one to two weeks. Pre-built integrations and guided setup reduce implementation time compared to legacy warehouse systems.