What is Business Central?
A practical introduction to Microsoft Dynamics 365 Business Central — the SaaS ERP for small and mid-sized businesses.
Microsoft Dynamics 365 Business Central is a cloud-first ERP designed for small and mid-sized businesses — typically organisations between roughly five and several hundred users that need accounting, inventory, sales, purchasing, and basic operations in one connected system. It is the modern, SaaS-delivered successor to Dynamics NAV (and to Navision before that), and it inherits the same posting engine, dimensional accounting, and journal-and-document data model that made NAV popular for over two decades.
Functionally, Business Central covers the full financial core — general ledger, accounts payable and receivable, bank reconciliation, fixed assets, intercompany postings, and country-specific VAT/sales tax — plus inventory and warehouse management, sales and purchase order processing, light manufacturing, jobs and project accounting, and service management. It ships with role-tailored workspaces, deep Excel and Outlook integration, and built-in Power BI reports. A copilot assists with bank reconciliation, sales line suggestions, marketing text, and chart explanations.
What makes Business Central distinctive among mid-market ERPs is its extensibility model. Partners and customers extend the product through AL extensions distributed via AppSource, which means upgrades are non-breaking and the base application stays clean. Microsoft ships two minor updates per year (commonly called Wave 1 and Wave 2) plus monthly hotfixes; tenants are automatically updated, with a configurable update window.
Business Central is sold as Essentials or Premium (Premium adds manufacturing and service management) per named user, with a lower-cost Team Member license for read-and-light-write roles, and an External Accountant license for the company's accountant.
It is most often implemented by a Microsoft partner over a project of two to six months. Business Central also runs on-premise, but the vast majority of new implementations are SaaS (Business Central Online), which is hosted on Azure in Microsoft data centres. Customers who outgrow it typically move to Dynamics 365 Finance and Supply Chain Management.
Related guides
- Account schedules and financial reports in Business CentralHow Business Central's account schedules and the newer Financial Reports feature work — and how to build P&L and balance sheet reports without leaving BC.
- Aging reports in Business CentralHow Business Central's aging reports work — AR aging, AP aging, date-driven buckets, customisation, and the operational use in collections and cash management.
- Application areas in Business CentralHow Application Areas in Business Central control which features users see — Basic, Essential, Premium, and how customisations can extend the application area system.
- Approval workflows in Business CentralHow approval workflows work in Business Central — built-in templates, custom workflow design, Power Automate alternatives, and approval limits.
- Assembly orders in Business CentralHow Business Central handles assembly orders — assembly BOMs, assemble-to-order vs assemble-to-stock, and when to use assembly vs production orders.