SAP Business One

SAP Business One is SAP's ERP product for small and midsize businesses, and is a genuinely separate application from S/4HANA rather than a cut-down edition of it. Where S/4HANA is assembled from broad modules for large multi-entity groups, Business One is designed so that one system, typically implemented in weeks to months rather than years, covers the whole of a smaller company's operations.

Its functional scope spans financial management including the general ledger, journals, banking and reconciliation; purchasing and supplier management; inventory and distribution with warehouse and stock movement handling, serial and batch traceability, and multiple costing methods; sales and customer relationship management with opportunity and quotation handling; and production with bills of material, work orders and material requirements planning. Reporting and dashboards are built in, with deeper analytics available on the HANA version.

It runs on either SAP HANA or Microsoft SQL Server, and can be deployed on-premise or hosted in the cloud, which lets it fit both companies that want to keep the system in their own environment and those that would rather not run infrastructure. A Windows desktop client and browser and mobile access are both available.

Distribution is a defining characteristic: Business One is sold, implemented and supported almost entirely through SAP partners rather than directly by SAP. A large ecosystem of partner-built vertical add-ons extends it into specific industries — food and beverage, chemicals, retail, professional services — and it is common for a deployment to be the core product plus one or more of those add-ons. That makes the choice of implementation partner as consequential as the choice of product.

It is most often evaluated by companies that have outgrown small-business accounting software and need inventory, production or multi-entity capability, but for which a large-enterprise suite would be disproportionate. Organisations already inside the SAP ecosystem also use it as a subsidiary system reporting into a larger corporate ERP.