Ghulam MurtazaCSCP® · Ingolstadt, Germany

Warehouse Systems

Custom WMS vs Excel: When Warehouses Should Build

Signs your warehouse has outgrown spreadsheets — and how to decide between SaaS WMS, ERP modules, and a custom build.

6 min readBy Ghulam Murtaza, CSCP®

Most warehouses do not start with a WMS. They start with Excel, WhatsApp photos, and a storekeeper who knows where everything is. That works — until volume, audits, bilingual teams, or ERP integration pressure make informal systems fail.

When Excel is still enough

Excel remains fine for low-SKU, single-location teams with one decision-maker and no formal audit trail requirements. If stock turns slowly and errors are cheap, do not over-engineer.

When you should consider a custom WMS

You likely need purpose-built software when: multiple people update stock concurrently; you need photo verification or tool tracking; bilingual interfaces are required; SAP or finance needs reliable exports; or LAN-only deployment is mandatory for security.

At China Power Hub, we replaced manual store workflows with Warehouse Pro — a production system with real-time visibility, bilingual reporting, and accountability for tools and consumables in a 1320MW environment.

Custom vs off-the-shelf SaaS

SaaS WMS products are faster to trial but often assume cloud hosting, standard SKU models, and English-first UX. Custom builds cost more upfront but fit LAN architectures, approval chains, and industrial part numbering that SaaS templates struggle with.

We help teams model three-year cost: SaaS subscriptions plus workarounds vs phased custom development tied to operational ROI.

Get in touch

Open to supply chain, operations, logistics, and IT-hardware roles in Germany. I typically reply within 24–48 hours.