How Growing Product Catalogs Complicate B2B eCommerce
September 9, 2026
By: Tiffany Hindman
Summary: How does a larger product catalog make a B2B eCommerce project more complicated? It is not just about having more products. As a catalog grows, the number of relationships between products, attributes, pricing, inventory, customers, ERP data, and the eCommerce experience grows too.
For a manufacturer with 500 products, managing product information may feel relatively straightforward. At 5,000 products, things start getting more complicated. At 50,000 products, many manufacturers find they are managing a complex network of product data, relationships, pricing rules, and business processes rather than simply maintaining product records.
And that can have a major impact on an eCommerce implementation.
More Products Means More Than More Product Pages
It is easy to think about catalog size in terms of product count.
You have 1,000 products, so you need 1,000 product pages. But B2B catalogs are rarely that simple. A single product might carry all of the following at once.
The challenge is not simply displaying everything on a website. The challenge is making sure all of that information is accurate, organized, searchable, and connected to the systems managing your business.
- Multiple sizes
- Multiple colors or finishes
- Different packaging options
- Product variations
- Technical specifications
- Certifications
- Compatibility information
- Product documentation
- Images and videos
- Related products
- Replacement products
- Accessories
- Customer specific pricing
- Inventory information
- Different units of measure
Your Product Catalog Has Relationships
One of the biggest reasons B2B catalogs become complicated is that products rarely exist in isolation.
A customer may purchase a primary product along with accessories. One product may replace another. A component may only be compatible with certain models. A product may belong to multiple categories. In some industries, a particular customer may only be authorized to purchase certain products. A product may also have dozens of variations based on size, material, configuration, or other attributes.
Suddenly, your catalog is not just a list of products. It is a network of relationships.
Your eCommerce platform needs to understand those relationships well enough to help customers find what they need. That means catalog architecture becomes an important part of the project from the beginning.
Product Attributes Can Multiply Quickly
Manufacturers often have much more product information to manage than a typical consumer retailer.
Consider a manufacturer selling industrial components. Now imagine having hundreds or thousands of products that use different combinations of attributes like these. That creates questions that need to be answered before development begins.
If those decisions are not made early, they tend to become development problems later.
- Length
- Width
- Height
- Material
- Weight
- Voltage
- Capacity
- Application
- Compatibility
- Certification
- Operating temperature
- Connection type
Your ERP May Have the Data, But That Does Not Mean It Is Ready for eCommerce
For many manufacturers, the ERP is one of the most important sources of product information. It may contain product numbers, inventory, pricing, units of measure, product descriptions, and other operational data.
But ERP data is typically structured around running the business. An eCommerce site has a different job. It needs to help customers understand products and make purchasing decisions. That can require additional information, organization, formatting, and enrichment.
For example, an ERP may know that a product has a specific item number and unit of measure. A customer may need to know what the product does, what it is compatible with, what materials it uses, how it should be installed, and what documentation is available.
That does not necessarily mean the ERP is the wrong place for product information. It means the eCommerce experience needs to be designed around how customers actually use that information.
This Is Where PIM Can Become Important
As catalogs grow, many manufacturers start looking more closely at Product Information Management. A PIM can provide a centralized place to manage, enrich, govern, and distribute product information before it reaches the eCommerce site and other sales channels.
That can be especially useful when product information comes from multiple sources or when the information needed for selling a product is different from the information needed to operate the business.
The important thing is to define responsibilities. While many manufacturers use ERP as the operational source of product data, it is not always the ideal place to manage every piece of customer-facing content required for eCommerce.
Your PIM should not automatically become responsible for information that belongs in your ERP. And your eCommerce platform should not become the place where your team manually maintains everything.
A successful implementation starts by determining where each type of information belongs and how it should move between systems.
Customer Specific Pricing Adds Another Layer
B2B catalogs often become even more complicated when customers do not all see the same products or prices.
One customer may have negotiated pricing. Another may receive volume discounts. Another may only be authorized to purchase certain products. A customer may also have specific payment terms, shipping requirements, or purchasing rules.
Now your catalog is not simply asking what products do we sell. It is also asking what should this particular customer be allowed to see and purchase.
That distinction can have a major impact on the eCommerce architecture. The product catalog, customer accounts, pricing structure, ERP, and eCommerce platform all need to work together. The larger the catalog and the more complex the customer relationships, the more important those decisions become.
Search and Navigation Become More Important
A small catalog can get away with basic navigation. A large catalog cannot.
If a customer has to click through six categories to find a product, the problem is not necessarily that you have too many products. The problem may be that the catalog is not organized around how customers shop.
You can create a beautiful product page. But if customers cannot find that product, the page does not help much.
- Faceted search
- Product filtering
- Attribute based navigation
- Category hierarchies
- Product relationships
- Search by part number
- Search by product name
- Compatibility searches
- Related product recommendations
More Products Also Means More Testing
Catalog complexity does not stop once development is finished.
The more products and rules you have, the more combinations need to be tested. Now add multiple customer types, thousands of products, different pricing structures, product variations, and different ordering scenarios.
Testing quickly becomes a significant part of the project. That is not necessarily a bad thing. It simply means catalog complexity needs to be accounted for when planning the implementation.
- The customer can see the correct products
- The customer sees the correct pricing
- Product information displays correctly
- Product variations work properly
- Inventory information is accurate
- The correct unit of measure is displayed
- The order contains the correct product information
- The order reaches the ERP correctly
Catalog Growth Can Expose Problems in Your Existing Data
There is another issue that often gets overlooked.
A large eCommerce project can expose problems that already exist in your product data. Your website did not create these problems. It simply made them harder to ignore.
That can be frustrating, but it can also be useful. An eCommerce implementation can be an opportunity to establish better product data standards that make the catalog easier to manage long term.
- Duplicate products
- Missing descriptions
- Inconsistent naming conventions
- Incomplete attributes
- Outdated images
- Incorrect categories
- Missing product relationships
- Inconsistent units of measure
- Incomplete specifications
The Goal Is Not to Make Your Catalog Simpler
Manufacturers should not have to simplify their products just to make an eCommerce project easier. The goal is to make the complexity manageable.
That starts with understanding the catalog before deciding how the website should work. Before development begins, ask questions such as these. These questions can help identify complexity before it becomes expensive development work.
Start With the Catalog, Not the Website
When a manufacturer starts an eCommerce project, it is tempting to begin with the website. What should the homepage look like? What should the product page look like? What should the navigation look like?
Those are important questions. But for a large B2B catalog, some of the most important decisions happen before the design begins.
You need to understand the products, the data, the relationships, the customers, the pricing, and the systems behind the experience. Your eCommerce site is ultimately the front end of a much larger operation.
If the catalog structure is complicated, the implementation needs to account for that complexity from the beginning.
A Growing Catalog Does Not Have to Mean a Growing Headache
A large catalog can be a sign of a successful manufacturing business. More products can mean more customers, more applications, more revenue opportunities, and more ways to serve the market.
The problem is not having a large catalog. The problem is trying to manage a large catalog without the right structure behind it.
When product information, ERP data, PIM processes, customer specific rules, and eCommerce functionality are designed to work together, a large catalog becomes much easier to manage.
The key is planning for that complexity before it becomes a development problem.
At Strabo Partners, we help manufacturers connect their eCommerce experience with the systems and processes behind their business. Our fixed fee implementation approach gives businesses a defined scope and cost while helping account for the complexity that comes with their products, customers, and operations.
Have a growing product catalog that is making your eCommerce project more complicated? Let's talk about it. Get in Touch.