What is a WMS?

A WMS, or warehouse management system, is software that records where stock is and how it moves: receiving, putaway, picking, transfers, counts and shipping. Oracle, which sells one, calls it "a software solution that offers visibility into a business' entire inventory". Wikipedia's entry puts the core more narrowly: "The core function of a warehouse management system is to record the arrival and departure of inventory." More advanced systems direct the work as well, telling staff where to put stock and what to pick next.

In forestry mapping, WMS usually means something else: the Web Map Service standard, whose response "is one or more geo-registered map images". This page is about warehouses.

WMS, inventory system or ERP

The lines blur. The same Wikipedia entry notes that "A basic WMS is almost indistinguishable from a basic Inventory Management System". Many ERPs include warehouse functions, and many standalone WMS products link to an ERP for orders and invoices. In our experience, the difference is mostly depth: locations, bundles and movements in detail, against quantities and value.

In a timber business

Bundles are split, pieces are remanufactured, and stock moves between sheds and yard. Each is a movement the system must record. When one is missed, the record is wrong until the next count finds it.

Old records are the quiet problem. From Quarri's own work with a sawmill: 22,000+ inventory tags were still marked on hand, some more than 20 years old. Stale records like these can sit in any inventory system, including an ERP or a spreadsheet. A WMS with scanned movements and regular cycle counts is one of the usual ways to prevent them.

What it isn't

A WMS isn't an ERP, though it often feeds one. It can't see stock that was never scanned.

What to check

Ask how it records tallies and partial bundles as well as piece counts. Ask how counts are entered and how differences are resolved. Finally, ask how it finds records that haven't moved in years, so they can be checked against the yard.

Quarri for wood products is built around how a wood products plant runs, where the order book meets real capacity.

Quarri is an AI-native data platform for the timber supply chain. It connects buying, production, sales and inventory for forest management, sawmill, wood products and pulp, paper and packaging operators.