What is Order Management System?
An order management system is the software that holds an order from capture to delivery: recording it once, checking stock, routing it to a warehouse or courier, tracking its state, and handling cancellations, returns and refunds. In a multi-channel business it is the single record that individual marketplace seller centres cannot provide.
- Category
- E-commerce & Payments (Philippines)
- Also called
- OMS, Order management
Most of the value sits in one thing: an explicit order state. Placed, paid or awaiting cash on delivery, allocated, picked, packed, handed to the courier, delivered, returned. Every downstream process reads that state, and every reporting question depends on it. The common condition it replaces is state spread across a spreadsheet and three seller centres, where answering "where is this order" means checking four places and trusting whoever updated them last.
Build versus buy has a defensible default. Start with the order management built into your store platform or channel manager, and move to custom software when the fulfilment rules stop fitting: kitting and assembly, made-to-order production, cold-chain handling, allocation across several warehouses, or B2B terms sitting alongside consumer orders. Custom order management is expensive to build and expensive to keep, so it should be earned by a rule an off-the-shelf system genuinely cannot express.
Common questions.
Do we need an OMS if we only sell on one marketplace?
Probably not. A single seller centre is a serviceable order record while there is only one. The case appears with the second channel, when two systems each hold part of the truth and neither can report total demand, real stock position, or how a customer who bought in both places should be treated.
Where it comes up.
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Related terms.
Marketplace Inventory Sync
E-commerce & Payments (Philippines)Marketplace inventory sync is the practice of keeping one stock figure accurate across every channel a business sells on, its own store plus Shopee, Lazada and TikTok Shop, so a unit sold in one place stops being offered in the others.
Overselling
E-commerce & Payments (Philippines)Overselling is accepting an order for stock that is not actually available, usually because a unit sold on one channel before the other channels were updated.
Warehouse Picking
E-commerce & Payments (Philippines)Warehouse picking is retrieving the items on an order from storage so they can be packed and shipped.
Custom Software vs Off-the-Shelf Software
Web & Software EngineeringCustom software is built for one organisation’s specific process; off-the-shelf software is a finished product many organisations subscribe to, such as Shopify or QuickBooks.
Scoping a project?
Reading definitions because you are scoping a project? Skip ahead and just ask.