WMS (Warehouse Management System) – what is it?

Author

Piotr Znamirowski

Article publication date
2024-07-19
Article update date
2026-02-13

Estimated reading time for the article

10 min

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WMS – definition

A Warehouse Management System (WMS) is a warehouse management system that utilizes software and technology to optimize warehouse operations. Key WMS functions include goods receipt control, inventory management, coordination of order picking, packaging, and shipping, and monitoring of goods movement within the warehouse. Through integration with other ERP (Enterprise Resource Planning) systems and technologies such as barcode scanners, RFID (Radio-Frequency Identification), and automated storage and retrieval systems (AS/RS), a WMS increases the efficiency, accuracy, and transparency of warehouse operations. As a result, companies can better manage resources, minimize operating costs, and improve customer service.

How is the WMS system structured?


A Warehouse Management System (WMS) is a complex IT tool designed to effectively manage warehouse operations. Here are the main components and functions typically found in a WMS:

User interface

The WMS system features a user interface that allows warehouse staff to manage operations. This interface can be accessed on both desktop and mobile devices.

Inventory management

WMS controls inventory by tracking the location, quantity and physical condition of goods in the warehouse.

Receiving and shipping management

The WMS system manages the processes of receiving goods into the warehouse and completing and shipping orders to customers.

Location management

WMS tracks the physical locations of goods in the warehouse, allowing you to quickly and accurately find products when picking orders.

Internal Operations Management

A WMS system can manage internal warehouse operations such as transfers, transshipments, consolidations and sorting of goods.

Optimization of the flow of goods

WMS can optimize the flow of goods in the warehouse, minimizing operating time and costs through optimal use of warehouse space and transport routes.

Integrations with external systems

WMS often integrates with other enterprise systems, such as ERP (Enterprise Resource Planning) systems, transportation systems, order management systems (OMS) and quality control systems.

Assistive technologies

WMS systems can utilize advanced technologies such as barcode scanners, RFID (Radio-Frequency Identification), automated storage and retrieval systems (AS/RS), and robot management systems (AGV robots) to increase the efficiency and accuracy of warehouse operations.

Communication with the WMS system

Warehouse Management Systems (WMS) communicate with various devices and systems using a variety of interfaces and protocols. Here are some common communication methods:

Interfaces:

  • Radio Frequency Terminals: Warehouse workers use radio frequency terminals to scan barcodes, receive picking instructions, and confirm task completion. Radio frequency terminals communicate with the warehouse management system (WMS) via Wi-Fi or Bluetooth.
  • Scanners: Scanners are used to scan barcodes on products and packaging. Data from the scanners is transferred to the WMS system for inventory updates and shipment tracking.
  • Laptops: Laptops can be used to access the WMS and perform tasks such as order management, receiving goods, and order picking. Laptops communicate with the WMS using Wi-Fi or Ethernet.
  • Label printers: Label printers are used to print barcode labels for products, packages, and storage locations. The WMS sends data to the label printers to generate the appropriate labels.

Protocols:

  • WML (Warehouse Management Language): WML is a standard language used for communication between WMS systems and warehouse devices. WML defines the message format and the types of data that can be transferred.
  • XML (Extensible Markup Language): XML is a universal markup language used to exchange data between systems. WMS systems can use XML to communicate with other systems, such as ERP systems and transportation management systems.
  • JSON (JavaScript Object Notation): JSON is a lightweight, text-based data exchange format. WMS systems can use JSON to communicate with web applications and mobile devices.

Warehouse Management System functionalities

The functionalities of WMS (Warehouse Management System) systems can be divided into several main categories:

1. Goods receipt management:

  • Registration of incoming deliveries
  • Verification of compliance with orders
  • Barcode labeling
  • Assigning goods to warehouse locations
  • Stock update

2. Warehouse management:

  • Optimization of goods placement in the warehouse
  • Managing goods movements in the warehouse
  • Inventory control
  • Generating inventory reports
  • FIFO, LIFO, FEFO systems

3. Picking management:

  • Order picking process management
  • Selection of goods from the warehouse in accordance with the order specifications
  • Packing and shipping orders
  • Printing shipping labels

4. Shipping management:

  • Managing the goods shipment process
  • Reservation of seats in transport
  • Printing shipping documents
  • Tracking shipments

5. Returns management:

  • Returns processing
  • Registers returned goods
  • Updates inventory levels
  • Issues corrective invoices

6. Reports and analytics:

  • Generating reports on warehouse activities
  • Includes reports on inventory, order fulfillment, shipments, and returns
  • Enables analysis of warehouse data
  • Identifying areas for improvement

7. Integration with other systems:

  • Integration with ERP (Enterprise Resource Planning) systems
  • Integration with CRM (Customer Relationship Management) systems
  • Integration with SCM (Supply Chain Management) systems
  • Integration with e-commerce systems

8. Additional features:

  • Transport management
  • Employee management
  • Quality control
  • Multiple warehouse support
  • Multi-user support
  • Customizable

Advantages of using WMS systems

Using a Warehouse Management System (WMS) offers many benefits and advantages for warehouse management companies. Here are the main advantages of using a WMS:

  • Increasing operational efficiency
  • Improving data accuracy
  • Warehouse space optimization
  • Reducing order processing time
  • Monitoring and reporting
  • Increasing customer satisfaction
  • Integration with other systems
  • Human resources management

WMS system prices

WMS (Warehouse Management System) prices can vary significantly depending on many factors, such as:

Functionality: The more features a system offers, the higher its price will be. Basic WMS systems may include only basic warehouse management functions, while more advanced systems may offer features like transportation management, employee management, and quality control.

Warehouse size: WMS pricing is often based on the square footage of the warehouse. Larger warehouses will require a more expensive system.

Industry: Some industries, such as pharmaceutical and food manufacturing, have more stringent requirements for WMS systems, which can lead to higher prices.

Implementation and training: Implementation and training costs can constitute a significant portion of the total cost of a WMS system.

Vendor: Different WMS vendors offer different prices. It's important to compare quotes from several vendors before making a decision.

Additional Fees: Some WMS systems may incur additional fees for subscription, maintenance, or software updates.

Sample prices:

  • Basic WMS system: from PLN 10,000 to PLN 50,000
  • WMS system for medium-sized companies: from PLN 50,000 to PLN 200,000
  • Advanced WMS system for large companies: from PLN 200,000 to PLN 1,000,000 or more

Integration of WMS systems with Shopify

There are several ways to integrate WMS systems with Shopify:

  • Plugins: There are many Shopify plugins available ( migrate to Shopify ) that allow integration with popular WMS systems. These plugins typically offer basic integration features, such as order fulfillment automation and inventory management.
  • API: WMS and Shopify provide APIs (Application Programming Interfaces) that allow developers to create custom integrations. API-based integrations can be more advanced and tailored to a company's specific needs.
  • Integration services: Some companies offer integration services that help you connect your WMS and Shopify ( Shopify agency ). These services can include setup, customization, and integration support.

Examples of integration solutions:

  • Salesupply: This logistics platform offers WMS integration with Shopify. Salesupply offers a wide range of integration features, including order fulfillment automation, inventory management, shipment tracking, and returns.
  • EasyWMS: This is a cloud-based WMS that offers Shopify integration. EasyWMS offers basic integration features such as order fulfillment automation and inventory management.
  • Veeq: This is an order management platform that offers WMS integration with Shopify. Veeq offers a wide range of integration features, including order fulfillment automation, inventory management, shipment tracking, returns, and customer service.

About the author

Piotr Znamirowski

Business Analyst & Project Manager, specializing in planning and executing implementations, migrations to Shopify and Shopify Plus, and integration with PIM, ERP, and CRM systems. He has over a decade of experience in the IT and eCommerce industries, and has been with Shopify for over six years.

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