Technology Insights2026/10/07

How to Choose an Order Management System: Off-the-Shelf Software, ERP, and Custom Development Compared

When choosing an order management system, start with the part of the work your company most needs to improve. If all orders sit on one e-commerce platform, check that platform's management features first. If orders arrive through LINE, sales reps, and different channels, the priority is consolidation and shipment tracking. If you already have an ERP but re-key orders every day, evaluate integration or extension first. Custom development only comes into play when off-the-shelf products and their configuration cannot reasonably support a necessary process.

Reading time
13 min
Last updated
2026/10/07
Written for
Owners, sales managers, operations managers, and IT staff at brands, distributors, and multi-channel product businesses

30-second summary

  1. 01

    Order management is more than recording what a customer bought. The system also has to help confirm prices and quantities, arrange shipment, handle changes and returns, and track work that is not yet finished.

  2. 02

    Customers placing orders themselves and staff managing orders internally are different needs. A B2B online ordering system solves how business customers order; an order management system also has to handle the internal work after the order arrives.

  3. 03

    Taking orders over LINE does not have to mean changing customer habits. Sales can enter orders centrally first, and customers willing to self-serve can be directed to an ordering page. Automatic message parsing should be evaluated only once part numbers, units, and confirmation flows are clear.

  4. 04

    If you already have an ERP, check whether it can be extended or integrated first. When the existing system can keep managing inventory and accounts, you can improve only order intake, confirmation, and data transfer, without rebuilding everything.

  5. 05

    Selection must test changes and shipping, not just creating orders. Bring an order that had a stock shortage, partial shipment, or return and ask the vendor to demonstrate; that reveals differences better than a feature checklist.

  6. 06

    The first conversation with a development company does not need a full requirements document. Current orders, the systems in use, and the step that gets stuck most often are enough to start clarifying direction.

01

How does an order management system differ from online ordering, inventory, and ERP?

Key takeaway

An order management system mainly handles order receipt, confirmation, shipment, and follow-up tracking; online ordering lets customers submit what they want to buy. Inventory systems and ERPs may already include order features, so judge selection by the work that can actually be completed, not by product names.

An order management system is often called an OMS. It should let sales, customer service, the warehouse, and management see the progress of the same order, knowing which items have not shipped and which changes await confirmation, without digging through messages, asking colleagues, or comparing versions of spreadsheets.

These capabilities may sit in one product or be split across several systems. A website can receive the order content, the ERP can own the official order and accounts, and the warehouse system can handle picking and shipping. A company does not necessarily need to buy another piece of software called an OMS.

NameMain problem it solvesWhat to watch during selection
Online ordering systemHow customers pick products, enter quantities, and submit ordersBeing able to order does not mean changes, backorders, and accounts are supported
B2B online ordering systemHow business customers order under agreed trading termsWhether login is needed to see prices, case-quantity ordering, or monthly settlement depends on how you actually trade
Order management systemHow orders are confirmed, assigned, shipped, and tracked after receiptCheck whether it handles order sources and daily changes, not just an order list
Inventory systemHow purchasing, sales, and stock link togetherWhether existing features are already enough and can receive orders from other sources
ERPHow orders, purchasing, inventory, finance, and other operations integrateWhether the existing order module can be extended, and whether a separate system is really needed

If the problem is "customers ask for a price every time, then message their order", look at self-service ordering first. If the problem is "the order has arrived, but internally nobody knows which was changed and which has not shipped", focus on order management rather than opening another shop site.

02

Which order management features must you check when choosing a system?

Key takeaway

First confirm the system can keep one order traceable from receipt to completion, then look at reports and extras. What helps daily operations most is everyone knowing what to do next, not only managers seeing total sales.

For example, after sales receives a customer order, they confirm product, price, and delivery date; the warehouse ships from the confirmed version; customer service checks items not yet sent; accounting tracks payment under the company's rules. These roles need different screens, but their results should map back to the same order.

Use the table below to ask vendors to operate the system for real. If a task belongs to the existing ERP or another tool, the focus shifts to whether the necessary data can be exchanged between them, rather than redoing it in every system.

TaskAsk the vendor to demonstrateThe answer you should get
Receive ordersCreate orders from an existing spreadsheet, website, or sales repWhether the source and original reference can be traced, and whether imports avoid duplicates
Confirm detailsAdjust products, prices, quantities, and delivery datesWhich orders still await customer or internal confirmation
Arrange shipmentShip what is in stock, hold the rest for replenishmentHow much has shipped, how much is outstanding, and who follows up
Change an orderReduce quantity or change the address before shippingWhether the warehouse receives the new version and shipped items are protected
Handle returnsReturn only part of the goodsWhether return, inspection, refund, or credit are tracked separately
Check progressSearch all unfinished orders for one customerFind items needing follow-up without opening each order

In particular, separate "order confirmed", "goods shipped", and "payment received". Monthly-settlement customers may ship before paying; prepaid orders may pay before shipping. If the system uses a single "complete" status without saying which of these is complete, departments will keep misreading it.

03

Customers order through LINE or email. How do you organise that without re-keying?

Key takeaway

LINE order management can start in one of three ways: sales entering orders centrally, customers filling in orders themselves, or automatic message parsing. Whether customers are willing to change how they work, and whether order content follows consistent rules, determines which is most effective.

The first is for customers who prefer messaging: let sales enter it once. Suppose a customer writes "two more cases of the last one". Sales still has to confirm the product and the case quantity. Here sales can look up the customer's past orders, copy the product, adjust the quantity, and create an order pending confirmation; once confirmed, the data is sent to the ERP or exported in a format the existing system accepts.

This keeps the customer's communication habits and improves the internal side, which no longer copies into Excel, keys into the ERP, and then separately notifies the warehouse. If customers are few and orders often need discussion, this is usually a better starting point than asking every customer to switch to a website.

The second is for customers willing to self-serve: open an ordering page from LINE. If customers frequently reorder fixed products, place an ordering link in the LINE official account's rich menu. Customers tap through to the website, log in if needed, select products, enter quantities, and submit; the site stores the content as an order, so sales no longer has to identify products from chat text.

What really has to be built or purchased here is the ordering website and the order handling behind it. LINE provides the link; adding a button does not automatically give you customer pricing, inventory, or ERP integration. If a suitable ordering platform already exists, link straight to it rather than building another.

The third is for high message volume: parse automatically, then have a person confirm. If many messages or attachments in a fixed format arrive daily, consider organising product, quantity, and delivery date into orders pending confirmation for sales to check. This is an integration flow to be planned, not a default LINE feature, and it cannot be assumed the system can read all of an employee's private chats.

To start, test one source and one fixed format, such as a designated ordering mailbox or official account. Content that needs context, like "same as last time" or "blue instead of white", stays with sales for confirmation and is not sent straight into a formal order. Expand automation only when the volume processed outweighs the checking and maintenance work.

If your biggest pain today is duplicate entry, do the first option first; if sales keeps spending time answering fixed product and price questions, evaluate the second. The third suits a stage where sources, product data, and confirmation responsibility are already clear. Taking orders over LINE does not automatically require AI.

04

How should the system handle changes, partial shipments, and returns?

Key takeaway

The system should keep the original order content and a change history, and track shipped, outstanding, and returned items separately. Test with an order that changed during selection, so you can see whether real operation matches how your company works.

The following is a hypothetical acceptance scenario, not a customer case: a customer orders 100 items and 60 ship first; later they cancel 10 that have not shipped, leaving 30 to follow. Then the customer returns 5 of the items already received, with the refund handled separately according to actual payment and trading terms.

This order cannot simply have its quantity edited to 90 and then 85, or whoever audits it later cannot tell what happened. A more useful view keeps the record of 100 ordered, 10 cancelled, 60 shipped, 30 pending, and 5 returned with their handling; whether returns are reshipped is settled separately by agreement.

What changedWhat the system should help completeAsk the vendor to demonstrate
Partial shipment firstKeep the unshipped quantity and the planned handlingAfter the first batch ships, where the remaining items are tracked
Customer cancels unshipped itemsRecord the reason and update the quantity still to fulfilWhether the warehouse is told to stop, and how reserved stock is released
Address change before shippingUpdate the pending shipment and notify the people involvedWhat happens if documents are printed or goods already handed to the carrier
Partial return receivedRecord the quantity received and item conditionAfter inspection, which items return to sellable stock and which do not
Refund or credit neededCreate follow-up records under the accounting rulesAfter the warehouse receives goods, how accounting learns there is a pending amount

Do not conclude that only customisation can handle these scenarios just because they are more complex. SHOPLINE's published features, for example, already include order editing, splitting, and partial returns. Test how off-the-shelf products handle them first, then judge whether what is missing is a feature, a configuration, or a link to another system.

05

We already have an ERP. How can an order management system integrate with it?

Key takeaway

With an ERP in place, let it keep managing official orders, inventory, and accounts, and improve the order-intake work in front of it. The goal of integration should be less re-keying and traceable downstream status, not copying every piece of data between two systems.

For example, sales confirms product and delivery date on the intake screen and clicks submit; the ERP creates the official order and returns its number; after the warehouse ships, the intake screen shows the shipment result. Sales can track progress in one place instead of taking order numbers to the warehouse every day. This is a target flow to discuss; which steps are achievable depends on the features and permissions the existing ERP provides.

Choose an approach in the order below. An API is an interface for exchanging data between software; having one is only one precondition for integration, and you still have to confirm it supports the order operations you need.

ApproachWhen it fitsWhat can be improved first
Vendor module or existing connectorThe current product already supports the channels and order flowUse existing features first and reduce code to maintain
File import and exportThe ERP can import orders but no suitable automatic integration exists yetBatch-import with fixed fields to cut line-by-line re-keying
Develop an API integrationAutomatic sending and status lookup are needed, and existing tools do not fitExchange orders, change results, or shipment information as required
Keep manual steps for nowThe legacy system has no open interface and no reliable importConsolidate and confirm orders first, without promising full automation that cannot be delivered

Microsoft's official documentation for Business Central and Shopify integration describes order import, sales document creation, and subsequent synchronisation separately. That means evaluation cannot stop at "can it connect"; you also have to confirm how changes, cancellations, and shipment results are handled once an order is in. An integration existing for one product does not mean other ERPs can use the same approach.

If the current pain is only re-entry, the first phase can be "send confirmed orders into the ERP and know whether it succeeded or failed". Then add shipment lookup and change linkage. That makes it easier to see what each step removes, and avoids changing every department's work at once.

06

Off-the-shelf software, ERP extension, or customisation: which suits you?

Key takeaway

Evaluate off-the-shelf products first for standard order flows; if the existing ERP already covers most of the work, look at extension and integration first; evaluate customisation only when a necessary process still cannot reasonably be completed. Not every company needs customisation, and special fields do not by themselves require code.

"Off-the-shelf software" and "ERP" are not mutually exclusive categories; an ERP can itself be an off-the-shelf product. What really needs comparing is which path improves current work most: keeping the existing system, buying a new tool, adjusting configuration, or developing the missing part.

Current situationEvaluate firstWhen to move to the next option
Orders concentrated on one storefront platform, simple rulesThe platform's own order, return, and shipping featuresThe actual process or a necessary channel is genuinely unsupported
Multi-channel orders need consolidating, trading rules fairly standardOff-the-shelf order management software and its supported integrationsA necessary channel or the existing system cannot be connected
ERP in place, only order intake or shipment lookup missingERP vendor extensions and existing connectors, then compare extra developmentThe vendor option cannot meet the necessary process or usage scenario
The main differences are fields, approvals, and reportsA platform with configurable forms and workflowsComplex integration, operation, or performance needs exceed the platform
Special change, approval, or allocation rules must span several systemsCustom modules and system integrationDefine the minimum necessary scope first; do not rebuild the whole ERP

Ragic, for example, offers adjustable sales order management, showing that beyond fixed packages and building from scratch there is the option of composing a flow through configuration. If you only need customer data, form fields, or simple approvals, try that first; if every order change must consider different warehouses and external system states, compare integration capability and maintenance approach more carefully.

Cost cannot be compared on monthly fees or development quotes alone. Ask each vendor to list licensing, initial setup, data cleansing, integration, training, and ongoing maintenance for the same scope, and to state which changes are charged separately. Above all, look at how much manual work remains after go-live, or a cheap tool may simply move the re-keying to another screen.

In actual selection, have every vendor operate the same set of orders: one completed normally, one changed and shipped in batches, and one with a partial return. After seeing all three flows, compare price and implementation. That gives a far better basis than a checklist that says "supports order management".

07

When is it worth talking to JoinX?

Key takeaway

When the existing system needs to stay but one part of the order flow still depends on people moving data by hand, or an off-the-shelf product cannot support a necessary operation, it is worth talking to JoinX. The discussion can centre on one intake screen or one data integration; it does not have to start from rebuilding the whole system.

The first case is an ERP that can stay, but sales and customer service work is too scattered. If official orders and accounts live in the ERP while sales still collates LINE, email, and Excel and checks shipping status in different places, an internal order-handling screen is worth discussing. Staff create, confirm, and track orders in one place, then exchange data according to what the existing system allows. What needs developing is the missing part of daily work, not a copy of every ERP feature.

Such discussions first clarify which data the ERP decides, which operations belong on the new screen, and which interfaces are available today. If the vendor already has a suitable module, include it in the comparison, so development money is not spent rebuilding an existing feature.

The second case is orders that exist, but cross-department changes still rely on messages. For example, sales agrees to change a quantity, the warehouse has already started picking, and customer service replies to the customer separately, so nobody knows which version counts. Here you can discuss change requests, restricting operations by shipment status, and a flow for the people involved to confirm changes.

The value of this development is making "who may change, who handles the change, and how far it has got" one working flow. If off-the-shelf configuration can do it, use the configuration; if judgement and notifications must span several systems, then evaluate extra development.

The third case is wanting customers to order online without replacing the back-end system. If business customers need to log in to see available products, agreed prices, or order history, evaluate how an ordering site and the existing system share the work. The external side can be simple while the familiar inventory and accounting stay internal; whether to customise depends on whether an off-the-shelf platform can meet the trading rules and integration needs.

JoinX's custom development and design, and technology and AI consulting, are the service directions for discussing these needs. The above is an assessable scope of work, not a fixed package; the actual solution still depends on system conditions and goals. If an off-the-shelf product already solves the intake problem, there is no need to customise for its own sake.

08

What should you prepare for a first requirements discussion?

Key takeaway

No full requirements document is needed, and no decision on technology. Bring the orders and tools you use today and say clearly which task you most want to stop doing, and the conversation can start.

What helps most is not listing dozens of desired features but letting the other side see how you work now. You can say outright: "After sales confirms in the spreadsheet, an assistant still keys it into the ERP", or "When a customer changes a quantity, the warehouse often does not get told". Descriptions like these already point to the scope worth improving.

What to bringPurpose
One ordinary order, and one that was changed or shipped in batchesShows the normal flow and the step that gets stuck most
Current Excel sheets, forms, or screensShows what people actually record; no need to prepare new documents
Names of existing systems and the departments using themInitial view of which features to keep and which to check with the vendor
The one thing you most want to improveSets the first-phase scope, such as less re-keying, visible backorders, or unified changes
Rough user count and order volumeHelps compare operating approach, scope, and cost of options

Data can have customer names, phone numbers, and sensitive trading content masked, keeping fields and flow. If you do not know whether the ERP has an API, give the product name and version first and confirm integration conditions later, rather than delaying the first discussion.

The first phase can focus on one order source and one department, verifying that the new flow really reduces duplicate entry and makes unfinished orders easier to find. Expanding after it proves useful is far easier to scope than cramming every channel, warehouse, and special rule into the same phase from the start.

Frequently asked questions

If there are few order sources, mostly one person handles them, and changes, shipping, and payment can be tracked clearly, Excel or a free tool can be a starting point. When evaluating free options, check limits on users, record counts, export, and integration. When several people working at once cause version confusion, or the time spent tidying up keeps growing, compare paid tools and integration options. Rising order volume alone is not a reason to customise immediately.

Start from one order and find the work worth improving

You do not need to decide to rebuild the ERP first, nor write a complete requirements document. If what troubles you most today is orders being keyed several times, information not matching after changes, or shipping progress only available by asking someone, bring that piece of work to the table and confirm which existing features can be used, which data needs integrating, and whether separate development is really needed.

Start with one order, one current spreadsheet, or one task a colleague redoes every day. You do not need the technical answer; what matters is stating the problem clearly, so the right improvement can be chosen.

Getting the requirements right is where a project succeeds

JoinX offers custom development and design, AI adoption, and technology and AI consulting. From an internal order-intake screen and a customer ordering site to data exchange between existing systems, scope can be assessed against your actual needs. When large volumes of unstructured orders need organising, we can then evaluate whether AI helps.

Discuss one order with JoinX