What Is ERP Software? A Plain-English Guide
What ERP software is, what modules it includes, who needs it, and when a custom ERP makes more sense than an off-the-shelf one.
What does ERP software do?
ERP replaces separate spreadsheets and tools with one system. When a sale is made, stock, accounting, and production plans update automatically.
Typical modules include inventory, purchasing, production planning, sales orders, accounting, HR, and reporting.
Who needs an ERP?
Businesses usually need ERP when they manage physical stock, run multiple locations, or spend hours reconciling data between departments. Manufacturers, distributors, and growing retailers are the most common users.
Custom vs. off-the-shelf ERP
Off-the-shelf ERP works well for standard processes. A custom ERP is better when your workflows, pricing, or production steps are unique, or when license and customization costs of large ERPs outweigh their value.
Frequently asked questions
Is ERP only for large companies?
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No. Cloud and custom ERP systems are now practical for small and mid-sized businesses, especially those with inventory or multiple locations.
What is the difference between ERP and accounting software?
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Accounting software records finances. ERP connects finances with operations like inventory, purchasing, and production.