Systemhaus.One is a complete ERP and CRM platform built on SAP Business One specifically for IT system houses, delivering all core operational functions in a unified system. It includes modules for MSP automation, ticket system integration, contractual lifecycle management, inventory control, customer relationship management, financial accounting, item data import and order handling, API-driven automation, and multi-tenant capabilities. Additional extensions, such as document management, warehouse mobile applications, and ecommerce connectors, layer onto the system for broader functionality. Available for deployment in private or public clouds or on-premise, Systemhaus.One offers both a classic client and an evolving web client, enabling end-to-end workflows from lead-to-cash with flexibility, automation, and support for scalable growth.