BuyBay is a Netherlands-based circular commerce company that provides solutions for product returns and overstock management. Through technology-driven logistics and resale operations, BuyBay helps retailers and manufacturers recover value from returned goods while supporting more sustainable supply chain practices.
Challenge
As BuyBay continues to scale its operations and expand service offerings, the existing Warehouse Management System no longer met the company’s operational and performance requirements. System limitations and service challenges from the current vendor triggered the need to explore alternative solutions. The objective was to identify a WMS that could support future growth through improved functionality, scalability, and integration, while ensuring transparent cost structures and a reliable implementation path.
Solution and deliverables
4Supplychain supported BuyBay in the full WMS selection process:
- Defined detailed functional and technical requirements with key stakeholders.
- Collected and analysed RFI responses from a broad range of WMS vendors
- Conducted qualitative and quantitative evaluations of functionality, implementation timelines, and cost structures
- Assessed vendor fit based on current and future requirements
- Facilitated internal discussions on evaluation outcomes and next steps, including additional demos and reference checks
The structured selection approach enabled BuyBay to gain a clear view of market options and supported a fact-based decision process for its future WMS setup.d way to anticipate demand, allocate resources efficiently, and connect strategic planning with daily execution.

