WMS, WCS or WES: How Do I Choose the Right System?

In a nutshell: When nothing runs smoothly in the warehouse anymore, the root cause is often deeper — in the system itself. This article shows how you can derive clear requirements from typical "system pain points" and find out step by step which warehouse IT system truly fits your playing field. From understanding the differences between WMS, WCS and WES to practical selection criteria for your decision-making process.
This article and many more on selecting and implementing modern warehouse IT systems can be found in the first even Report, our hands-on guide "State of WxS 2025: Cloud, AI, ROI".

You can download the full report here.

Remember the Monday morning from the preface — the backed-up pallets, the paper pick lists and the flickering Excel workaround at the control station? That's exactly where the journey to system selection begins. Because every one of these system pain points is not just an annoyance, but a signpost: inbound goods backlogs, empty pick locations, improvised shipping labels — they show you where your current setup is failing today and what your new system needs to deliver tomorrow.

Imagine your warehouse is a playing field. In the past, you played with a single ball; today you're juggling five: e-commerce peaks, same-day shipping, a flood of returns, a new automated racking system, store replenishment. The old ball from the early 2000s — the monolithic WMS that took a year of custom coding — no longer fits. Fortunately, the software world has become more agile: cloud subscriptions instead of server purchases, pre-configured templates instead of lengthy specification documents, MVP go-lives in weeks instead of big-bang launches after years.

But this very variety makes the selection tricky. Which WxS truly fits your playing field? It's not rocket science, but it's not a gut feeling either. It starts with an honest look at your pain points: Where is the old system holding you back? Which processes need to scale tomorrow? And how much IT complexity can you realistically take on?

Let us guide you through it: We'll translate your everyday pain points into concrete criteria, share how to weigh standard against custom, explain why open interfaces are your best friend, and show why you no longer need a marathon decision process to find a system that grows with you rather than holding you back. Let's get started: from pain point to the right system, in clear, pragmatic steps that work even on a Monday morning.

WMS, WCS or WES: What Do You Actually Need?

Now picture yourself sitting with your team in the break room. In front of you is a list of recent warehouse failures: backed-up inbound goods, empty pick slots, overloaded packing stations. Everyone looks at you: "Which system saves us now — WMS, WCS, WES… or is the old ERP actually enough?"

This is exactly the table where the journey begins. Before you get lost in vendor demos, you need to map your playing field:

• Is the primary need inventory management and process control? Then a WMS is running the game.
• Do you also need storage and retrieval machines, conveyor systems or robots to run in sync? Then you need a material flow director — a WCS or a WMS with an integrated WCS module.
• Do you want to juggle orders in real time, dynamically switch priorities and smooth out peak loads? Then a WES acts as the orchestra conductor, complementing the existing systems.

Only when you have answered this question honestly — and assessed where your ERP truly falls short — can you set the benchmark for all further decisions.

How Do I Find the Right Fit Among 300 Vendors?

After the "what" comes the "who". The market is a bazaar: over 300 WMS offerings in the DACH region alone. Without a plan, you'll get lost. So you sit down together once more — warehouse management, IT, procurement, controlling — and write down your must-have and knock-out criteria: processes, interfaces, budget, service levels. Sounds dry? Think of it like a shopping list before a weekend barbecue: only when everything is on the list do you avoid putting unnecessary items in the cart.

From this list, you build your first filter spreadsheet — not a polished tender document, but an honest framework. Three columns are enough: "We need this", "Nice to have", "We'll never need this". This quickly narrows the bazaar down to a handful of candidates that are genuinely a good fit. Friendly reminder: for the filtering process, you can of course also use even. Only then do demo workshops, reference visits and deeper price negotiations become worthwhile.

This way, you move step by step from pain point to system type, from system type to shortlist — and retain control throughout, rather than being dazzled by pitch decks.

But what exactly should you look out for?

- Fit in terms of functionality and processes: The system must be able to map the necessary warehouse processes out of the box or with a manageable level of customisation. Functionality therefore comes first. You should check the extent to which industry-specific requirements are supported (e.g. batch management, hazardous materials storage, batch traceability, dock/yard management, etc.). Many vendors advertise industry-neutral solutions, but in practice there are significant differences in the scope of functionality and available modules — for example, dedicated features for e-commerce fulfilment versus production supply. The ideal system is one that fits your own processes with as little customisation as possible. A common piece of advice is: "Never buy a WMS — always buy your WMS!" — meaning, choose software that closely matches your own workflows rather than buying a system for a trending feature and then paying heavily to rebuild it. That said, be honest with yourself and give yourself enough space to question your own processes.

- Integration and interfaces: A warehouse IT system never operates in isolation: