CRM and ERP are two of the most important business systems, and they are often confused. Both store information about a business, both help teams work more efficiently, and both are sold by some of the same vendors. But they do very different jobs. In this guide, we explain the difference between CRM and ERP software, when you need each one, and how they work together.
What Is CRM Software?
CRM stands for customer relationship management. CRM software focuses on the customer-facing side of a business: sales, marketing and customer service. It stores contact details, tracks deals through a pipeline, logs emails and calls, and helps teams follow up, forecast revenue and keep customers happy. If a process involves a customer, a lead or a deal, it probably belongs in a CRM. For a full introduction, read what CRM software is.
What Is ERP Software?
ERP stands for enterprise resource planning. ERP software focuses on the internal operations of a business: finance, accounting, inventory, supply chain, manufacturing, human resources and procurement. It keeps track of money, stock, orders, invoices and employees, and it makes sure the business runs smoothly behind the scenes. If a process involves money, stock or resources, it probably belongs in an ERP system. Well-known ERP platforms include SAP, Oracle NetSuite, Microsoft Dynamics 365 Business Central and Sage.
CRM vs ERP: The Key Differences
The main difference is focus. A CRM is outward-facing: it helps a business win customers, sell to them and keep them. An ERP is inward-facing: it helps a business manage its resources, fulfil orders and control its finances. A CRM answers questions such as who are our best leads, which deals will close this month and which customers are at risk of leaving. An ERP answers questions such as how much stock do we have, what are our costs and profits, and can we fulfil this order on time.
The second difference is who uses each system. A CRM is used mainly by sales, marketing and support teams. An ERP is used mainly by finance, operations, warehouse and HR teams. The third difference is data: a CRM stores customer and deal information, while an ERP stores financial, inventory and operational information. The two systems share some data, such as customer records and orders, which is why they work best when they are connected.
Do You Need a CRM, an ERP, or Both?
Most small businesses need a CRM first. If your main problem is managing leads, tracking deals and following up with customers, a CRM is the right choice. Our guide to the best CRM software for small business will help you choose one, and our guide to the best free CRM software covers free options.
You need an ERP when your operations become complex: when you hold significant stock, manage a supply chain, need detailed financial reporting, or run manufacturing or distribution. A business that only needs to track sales and customers does not need an ERP. A business that needs to track stock, costs and fulfilment across several locations usually does.
Many growing businesses end up with both. A typical setup is a CRM for sales and marketing, connected to an ERP for finance and operations, with orders flowing from the CRM to the ERP automatically. Some vendors, such as Microsoft and Zoho, offer both CRM and ERP products that integrate with each other, and some platforms, such as Salesforce and HubSpot, focus on CRM and integrate with third-party ERP systems.
How CRM and ERP Work Together
When a CRM and an ERP are connected, the business gets a complete picture. A salesperson can see in the CRM whether a product is in stock, because the ERP shares inventory data. The finance team can see in the ERP which deals are about to close, because the CRM shares pipeline data. Orders placed in the CRM flow into the ERP for fulfilment and invoicing, and payment information flows back to the CRM, so the sales team knows whether a customer has paid.
Integration can be simple or complex. Many modern systems offer ready-made connectors, and tools such as Zapier can connect systems that do not integrate directly. For a large business, a proper integration project is worth the investment, because it removes duplicate data entry and gives every team the same information. Our guide to CRM data migration explains how to move data between systems safely.
Frequently Asked Questions
Is Salesforce a CRM or an ERP?
Salesforce is a CRM. It focuses on sales, marketing and service, although it can integrate with ERP systems such as SAP and Oracle. See our Salesforce pricing explained guide for the cost.
Is HubSpot a CRM or an ERP?
HubSpot is a CRM. It focuses on marketing, sales and service, and it integrates with ERP and accounting tools such as QuickBooks and NetSuite. See our HubSpot vs Salesforce comparison.
Can a CRM replace an ERP?
No. A CRM cannot manage inventory, accounting or supply chain operations in the way an ERP can. Some CRMs offer basic invoicing, but they are not a substitute for an ERP for a business with complex operations.
Can an ERP replace a CRM?
Not really. Some ERP systems include basic CRM features, but they are usually far weaker than a dedicated CRM for sales pipeline management, marketing and customer service.
Which should a small business buy first?
Almost always a CRM, because winning and keeping customers is the first priority. An ERP becomes necessary later, when operations and finance grow more complex.
Examples of CRM and ERP in Action
Consider a business that sells office furniture online. A customer visits the website, downloads a brochure and requests a quote. The CRM records the lead, the salesperson follows up, sends a quote and closes the deal. That is the CRM’s job, and it ends when the order is placed. The ERP then takes over: it checks stock, reserves the furniture, schedules delivery, creates the invoice, records the payment and updates the accounts. If the customer later calls with a problem, the support team uses the CRM to see the customer’s history, while the ERP shows whether the delivery has arrived. Neither system could do the other’s job, but together they give the business a complete view of the customer and the operation. This is why integration matters: when the two systems share data, the salesperson knows what is in stock, the warehouse knows what has been sold, and the finance team knows what has been paid.
The Bottom Line
CRM and ERP are different tools for different jobs. A CRM helps you win and keep customers. An ERP helps you run the business behind the scenes. Most small businesses need a CRM first, and they add an ERP when their operations become complex enough to need one. When you do run both, connect them, so every team works from the same information. For more on the tools that help businesses grow, read our guide to enterprise CRM software for large teams and our guide to the best CRM software for small business.
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