# SAP Business One
**SAP Business One** is an enterprise resource planning (ERP) application sold by SAP SE for small and midsize businesses, covering accounting, inventory, purchasing, customer relationship management, and light manufacturing in a single system. SAP positions it as its dedicated small-business product, while SAP S/4HANA Cloud and [SAP ERP](https://www.edgepedia.org/sap-erp) serve organizations of all sizes.[1](https://www.sap.com/products/erp/business-one.html?video=6615a6c0-bc7e-0010-bca6-c68f7e60039b) It targets firms of roughly 10 to 500 employees and runs either on-premise or in the cloud.[2](https://erpresearch.com/en-us/blog/sap-for-small-business)
| Key fact | Detail |
|---|---|
| Target market | Small and midsize businesses of roughly 10 to 500 employees; SAP's dedicated SMB product, while SAP S/4HANA Cloud and SAP ERP serve organizations of all sizes[1](https://www.sap.com/products/erp/business-one.html?video=6615a6c0-bc7e-0010-bca6-c68f7e60039b) • [2](https://erpresearch.com/en-us/blog/sap-for-small-business) |
| Origin | SAP acquired TopManage Financial Solutions in March 2002, a vendor of accounting and business management software for SMEs[3](https://www.sap.com/investors/en/resources/acquisitions.html) |
| Architecture | Client-server application with a fat client and a database server; runs on Microsoft SQL Server or SAP HANA[4](https://help.sap.com/docs/SAP_BUSINESS_ONE_ADMIN_GUIDE_HANA/1a2fc202f7f64336abf9fbc957d9b9ba/23173d01dc6549648525a08705c82943.html?locale=en-US&state=PRODUCTION&version=10.0_SP_2508) |
| Current release | Version 10.0, released April 2020, with continuous innovation delivered through cumulative feature packages[5](https://support.sap.com/en/offerings-programs/support-small-medium-enterprises/business-one/upgrades-patches.html) |
| Extension APIs | Service Layer (HTTP and OData, versions 3 and 4) and DI API for consuming business objects and services[6](https://help.sap.com/doc/056f69366b5345a386bb8149f1700c19/10.0/en-US/Service%20Layer%20API%20Reference.html) |
| Typical cost and timeline | Implementations typically run 2 to 6 months; first-year totals of $40K–$115K for 5–10 users and $100K–$300K for 20–50 users[7](https://erpresearch.com/en-us/sap-business-one) |
| Deployment | On-premises, partner data center, or AWS, Azure, or Google Cloud, on HANA or SQL Server; the customer chooses when to upgrade[8](https://www.business-software.com/blog/sap-business-one-vs-business-central-singapore/) |
## Origin
SAP entered the small-business ERP market by acquisition. In March 2002 it bought TopManage Financial Solutions, an Israeli-developed vendor of accounting and business management software for small and medium enterprises.[3](https://www.sap.com/investors/en/resources/acquisitions.html) The product became SAP Business One and was distributed through partners; TopManage de Panamá, founded in 1997, partnered with Menahal Top of Israel, the original developer, to distribute the software in Latin America.[9](https://www.topmanage.com/es/nosotros)
## Architecture and database platforms
SAP Business One is a client-server application comprising a fat client and a database server. The company database schema stores data and uses triggers and views, particularly for reporting and upgrade purposes.[4](https://help.sap.com/docs/SAP_BUSINESS_ONE_ADMIN_GUIDE_HANA/1a2fc202f7f64336abf9fbc957d9b9ba/23173d01dc6549648525a08705c82943.html?locale=en-US&state=PRODUCTION&version=10.0_SP_2508)
Two database platforms are supported. The original version runs on [Microsoft SQL Server](https://www.edgepedia.org/microsoft-sql-server); the version for [SAP HANA](https://www.edgepedia.org/sap-hana) uses SAP's in-memory database, which relies on main memory for data storage and provides faster, more predictable performance than disk-based database management systems.[4](https://help.sap.com/docs/SAP_BUSINESS_ONE_ADMIN_GUIDE_HANA/1a2fc202f7f64336abf9fbc957d9b9ba/23173d01dc6549648525a08705c82943.html?locale=en-US&state=PRODUCTION&version=10.0_SP_2508) SAP supplies a migration wizard that moves company databases from Microsoft SQL Server to SAP HANA after the server components have been installed and upgraded.[10](https://help.sap.com/doc/ec11b2f4634e41699480daef8d5f4a8f/10.0/en-US/B1_for_SAP_HANA_Admin_Guide.pdf) As of release 10.0 PL00, the HANA version supports SAP HANA tenant databases, the basis for multitenancy in SAP HANA.[4](https://help.sap.com/docs/SAP_BUSINESS_ONE_ADMIN_GUIDE_HANA/1a2fc202f7f64336abf9fbc957d9b9ba/23173d01dc6549648525a08705c82943.html?locale=en-US&state=PRODUCTION&version=10.0_SP_2508)
## Release model
Version 10.0 was released in April 2020. From that release onward, SAP delivers continuous innovation through cumulative feature packages of version 10.0, rather than through separate major versions; corrections and security fixes for SAP Business One Cloud and related products arrive as cumulative patches. The Feature Package and Patch Delivery Schedule is published in SAP Note 2267770.[5](https://support.sap.com/en/offerings-programs/support-small-medium-enterprises/business-one/upgrades-patches.html)
## Extensibility and integration
**Service Layer.** The Service Layer is the current extension API for consuming SAP Business One data and services. It builds on HTTP and [OData](https://www.edgepedia.org/odata) and exposes full-featured business objects on a scalable, high-availability web server, supporting OData version 3 and version 4 with client libraries such as WCF for .NET and data.js for [JavaScript](https://www.edgepedia.org/javascript).[11](https://help.sap.com/docs/SAP_BUSINESS_ONE/f110a154dd0f4c20bf7f3ebca9eeb794/60c7a0b745bd486589f05a1da77041f3.html?locale=en-US&state=PRODUCTION&version=10.0) As of feature package 2405, OData version 3 is deprecated and version 4 is the primary protocol, though version 3 remains supported for backward compatibility. The Service Layer and the older DI API share the majority of their metadata.[6](https://help.sap.com/doc/056f69366b5345a386bb8149f1700c19/10.0/en-US/Service%20Layer%20API%20Reference.html) By default the Service Layer listens on port 50000 over HTTPS.[12](https://help.sap.com/doc/0704e4697884474dafc22e21cfc49625/10.0_SP_2602/en-US/c361b0b78fe246a8b25576945b8ce2ac.pdf)
**Integration Framework.** The Integration Framework is the official name for SAP Business One's built-in integration component, and the product can operate as a subsidiary system to SAP ERP.[13](https://help.sap.com/doc/saphelpiis_hc_b1_image_repository_consultant_training_additional_b1if_overview_pdf/9.0/en-US/B1if_Overview.pdf)
**Add-ons.** A partner ecosystem supplies industry extensions. Built together with Walldorf Solutions, SAP's Intercompany Integration Solution copies master data between entities, handles intercompany paperwork automatically, and delivers a simple level of financial consolidation spanning multiple companies.[14](https://erpscorecard.com/erp-systems/sap-business-one) Partner extensions are not always fully supported or mandated by SAP itself, so the add-on partner's continued support across future releases is a dependency to vet.[7](https://erpresearch.com/en-us/sap-business-one)
## Cost and implementation
Implementations typically run 2 to 6 months. First-year totals including licensing and implementation are usually $40,000 to $115,000 for small deployments of 5 to 10 users, and $100,000 to $300,000 for mid-sized deployments of 20 to 50 users.[7](https://erpresearch.com/en-us/sap-business-one) SAP's published EUR list prices (mid-2026) are roughly 2,700 EUR perpetual or 91 EUR per user per month for a [Professional](https://www.edgepedia.org/professional) user, and 1,400 EUR or 47 EUR for a Limited user (CRM, [Logistics](https://www.edgepedia.org/logistics), or Financials); a Starter Package capped at five users costs around 1,140 EUR perpetual or 38 EUR per month.[14](https://erpscorecard.com/erp-systems/sap-business-one)
## Position among SAP and competing products
Within SAP's portfolio, Business One is the core small-business ERP, while [SAP Business ByDesign](https://www.edgepedia.org/sap-business-bydesign) and the Grow with SAP public-cloud offering suit growing mid-market companies needing more scalable functionality.[2](https://erpresearch.com/en-us/blog/sap-for-small-business) Against competitors, its distinguishing traits are deployment choice, on-premises, partner-hosted cloud, or hyperscaler cloud on either database platform, with the customer controlling upgrade timing, in contrast to cloud-only products such as NetSuite and Dynamics 365 Business Central.[8](https://www.business-software.com/blog/sap-business-one-vs-business-central-singapore/) • [15](https://www.spotsaas.com/blog/sap-business-one-vs-netsuite) An IDC MarketScape assessment recommends considering it for medium-sized businesses that want an out-of-the-box solution with a strong partner ecosystem of extensions and an interface navigable by non-technical employees, while noting that customers at the higher end of the target company size range report that performance can lag.[16](https://qa.idc.com/wp-content/uploads/2025/09/US50655223e_SAP-MS-Excerpt-Sept-2025.pdf)
## References
1. [SAP Business One – Solution Overview, SAP](https://www.sap.com/products/erp/business-one.html?video=6615a6c0-bc7e-0010-bca6-c68f7e60039b)
2. [SAP for Small Business (2026 Guide), ERP Research](https://erpresearch.com/en-us/blog/sap-for-small-business)
3. [Acquisitions, SAP Investor Relations](https://www.sap.com/investors/en/resources/acquisitions.html)
4. [Application Architecture, SAP Business One Administrator's Guide version for SAP HANA, SAP Help Portal](https://help.sap.com/docs/SAP_BUSINESS_ONE_ADMIN_GUIDE_HANA/1a2fc202f7f64336abf9fbc957d9b9ba/23173d01dc6549648525a08705c82943.html?locale=en-US&state=PRODUCTION&version=10.0_SP_2508)
5. [Upgrades & Patches, SAP Support](https://support.sap.com/en/offerings-programs/support-small-medium-enterprises/business-one/upgrades-patches.html)
6. [Service Layer API Reference, SAP Help Portal](https://help.sap.com/doc/056f69366b5345a386bb8149f1700c19/10.0/en-US/Service%20Layer%20API%20Reference.html)
7. [SAP Business One Review 2026, ERP Research](https://erpresearch.com/en-us/sap-business-one)
8. [SAP Business One vs Business Central in Singapore (2026), Business Software](https://www.business-software.com/blog/sap-business-one-vs-business-central-singapore/)
9. [TopManage de Panamá – Nosotros](https://www.topmanage.com/es/nosotros)
10. [SAP Business One Administrator's Guide, version for SAP HANA (PDF), SAP Help Portal](https://help.sap.com/doc/ec11b2f4634e41699480daef8d5f4a8f/10.0/en-US/B1_for_SAP_HANA_Admin_Guide.pdf)
11. [About SAP Business One Service Layer, SAP Help Portal](https://help.sap.com/docs/SAP_BUSINESS_ONE/f110a154dd0f4c20bf7f3ebca9eeb794/60c7a0b745bd486589f05a1da77041f3.html?locale=en-US&state=PRODUCTION&version=10.0)
12. [How to Develop Web Client Extensions (PDF), SAP Help Portal](https://help.sap.com/doc/0704e4697884474dafc22e21cfc49625/10.0_SP_2602/en-US/c361b0b78fe246a8b25576945b8ce2ac.pdf)
13. [B1i Overview (PDF), SAP Help Portal](https://help.sap.com/doc/saphelpiis_hc_b1_image_repository_consultant_training_additional_b1if_overview_pdf/9.0/en-US/B1if_Overview.pdf)
14. [SAP Business One ERP Review, ERP Scorecard](https://erpscorecard.com/erp-systems/sap-business-one)
15. [SAP Business One vs NetSuite (2026), SpotSaaS](https://www.spotsaas.com/blog/sap-business-one-vs-netsuite)
16. [IDC MarketScape: Worldwide SaaS and Cloud-Enabled Medium-Sized Business ERP Applications 2024 Vendor Assessment (SAP excerpt)](https://qa.idc.com/wp-content/uploads/2025/09/US50655223e_SAP-MS-Excerpt-Sept-2025.pdf)
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