PIM vs ERP: what’s the difference, and which data belongs where?

The ERP handles the product as part of operations

An ERP (Enterprise Resource Planning) system ties together many of the activities that keep a company running.

On the product side, it typically holds information such as:

• Item code or SKU
• EAN or other identifiers
• Prices and price lists
• Availability and stock
• Logistics data
• Purchasing and suppliers
• Orders and stock movements
• Administrative information

This data is essential.

But knowing that product X200 has a given code, a set price and 42 units in stock doesn’t mean you have everything you need to present it properly to a customer, a distributor or a marketplace.

The PIM handles the product as information to use and distribute

A PIM (Product Information Management) system works on the information side of the product.

It can manage, for example:

• Commercial product name
• Descriptions
• Attributes and publishable specifications
• Categories and classifications
• Variants and product relationships
• Translations
• Documentation
• Images and other linked content
• Market-specific information
• Content required by different channels or distributors

This information matters because a product can’t just “exist” in a system.

It has to be understandable, complete and ready to use wherever it needs to go.

And that’s where the PIM’s role parts ways with the ERP’s.

A simple example

Picture a manufacturer selling a professional drill, model X200.

In the ERP you might find the code, EAN, price, stock and shipping weight. All correct, all essential. But a customer or distributor may need to know a lot more than that.

That second column is where a PIM usually comes in.

There’s no universal “ERP here, PIM there” chart

One important caveat.

A technical specification might originate in a PLM, in the ERP or in another internal system. A price might come from the ERP and then be used in PIM flows too. An image might live in an integrated DAM or in a separate system.

So there’s little point hunting for a hard-and-fast rule like “this field always belongs in the ERP” or “this field always belongs in the PIM”.

The right question is:

This is often called data ownership, or defining the system of record: for every piece of data, it has to be clear which system is in charge of it.

Trouble starts when two systems become two sources of truth

Imagine a product’s weight is stored both in the ERP and in a marketing spreadsheet.

Then it changes.

Which one is right?

And what happens if the ecommerce site pulls the figure from the spreadsheet while the distributor gets the one from the ERP?

That’s how inconsistencies creep in.

A good setup doesn’t ask people to maintain the same information by hand in several places. For example:

The ERP can send the PIM codes, logistics data or any other information it owns.

The PIM takes it in, combines it with descriptions, translations, attributes, documents and content, and gets the product ready for each destination.

What you end up with isn’t two catalogs to maintain. It’s a flow in which each system does its own job.

What happens when data changes?

This is where the division of responsibilities stops being theory.

If something the ERP owns changes, a logistics figure for instance, the update should start there.

If a description changes or a translation managed in the PIM is completed, the update starts from the PIM instead.

The point is to avoid this scenario:

ERP updated. Spreadsheet still out of date. Ecommerce fixed by hand. Distributor file to redo. Marketplace forgotten.

When ownership is clear, you no longer have to ask yourself “how many places do I need to fix this in?” You just need to know where to fix it at the source.

ERP and PIM together: how it works in practice

Let’s go back to our X200 drill.

1. 01

   The product is created in the company’s systems

   The ERP creates or manages the item code and the operational information it’s responsible for.

2. 02

   The PIM picks up what it needs

   The PIM imports that information and links it to the content needed to describe and distribute the product.

3. 03

   The product is enriched

   Marketing, the product team or other roles work on descriptions, attributes, translations, documentation and media, each within clearly defined responsibilities.

4. 04

   The catalog is checked

   Checks confirm that the information required for a given destination is in place.

   A product might, for example, have everything it needs for the Italian market but not yet be ready for Germany because a translation or a document is missing.

5. 05

   The data goes out

   Ecommerce sites, distributors, marketplaces, digital catalogs and other systems each receive the information meant for them.

When something changes, the flow starts from the system that owns it.

That’s the main benefit: fewer copies to maintain and less doubt about which version is the right one.

You don’t need to duplicate your catalog

One of the most understandable concerns goes like this:

No.

A PIM shouldn’t turn into a copy of the ERP.

It should use the ERP data it needs and add the missing layer of information that makes the product usable in different contexts.

The goal isn’t to have several systems storing the same things. It’s to draw clear lines of responsibility and let data flow between systems.

So: PIM or ERP?

In most cases, it’s the wrong question.

It isn’t a choice between the two.

The ERP keeps doing what it does best: running operations and the data it’s responsible for.

The PIM adds a space built for organizing, enriching and distributing product information.

When the boundaries are well drawn, the result isn’t more complexity. Quite the opposite.

What you get: every piece of data has an owner, every system has a role, and your catalog stops depending on copies and manual updates.