All-in-one solutions are software systems that are composed of several modules and ideally automate all important processes of companies of various sizes. All-in-one software can be geared specifically to different sectors of retail or wholesale, industrial companies or service providers. In addition to financial accounting, complete commercial solutions often include merchandise management, payroll accounting, a CRM system, a POS system and invoicing for order processing. Here, complete solutions with different focuses or different operational functional areas are described.