List of the Top Billing and Invoicing Software for DATEV in 2026

Billdu serves as a specialized invoice generator tailored for small enterprises, equipped with essential functionalities. Its user-friendly interface significantly reduces the time and effort involved in paperwork. You can manage your business seamlessly from any device, be it a PC, Mac, or smartphone. Start your journey today with Billdu, and watch how it can revolutionize your business operations. The invoice maker simplifies the process of crafting and dispatching professional invoices, ensuring your clients are wowed by the polished presentation. With features like online expense management and a receipt scanner, you gain a comprehensive insight into your financial outgoings. You can quickly generate invoices immediately after completing a task, providing a holistic view of your business from any location. By incorporating a "Pay button" in your invoices, you facilitate swift payments for your clients. They will be impressed by the professionalism of your estimates and quotes, enhancing your business's credibility. Additionally, you can monitor the status of your invoices, knowing precisely when and who has accessed them. Stay organized with a quick summary of all unpaid invoices, expenses, and your company's overall financial standing, ensuring you never miss a beat in your financial management. This powerful tool will empower you to take control of your business finances effectively.

Kontier is a specialized billing platform tailored specifically for enterprises in Europe. It effectively tackles the challenges that can emerge during business growth, such as translating products, subscriptions, seats, and usage into precise invoices, overseeing payment collections, adhering to European tax laws, and producing accounting documents that are useful for finance teams and auditors alike. By simplifying these intricate processes, Kontier allows businesses to concentrate on their expansion while maintaining financial accuracy and compliance. Additionally, this platform enhances operational efficiency, ultimately contributing to a more robust financial management system.

ZEP — The new standard for projects. ZEP is the software for Management Consulting, IT Consulting and Engineering: book hours against clients and projects, steer utilization and margins, from the proposal to the invoice. Four product lines cover the path from the first booked project hour to organization-wide control — you start with the line your business needs today and move up as it grows, keeping your data. ZEP Track — Project Time Tracking: your team books hours against clients and projects, budgets and absences sit in one place, and the payroll export is included. ZEP Control — Project Management: plan tasks and capacity and see what a project earns. Revenue, costs and utilization come out of the hours your team has booked. ZEP Operations — Professional Services Automation: the entire project lifecycle in one system — proposal, booked hours, travel expenses, suppliers, invoicing and the export to project-specific financial accounting. ZEP Business — ERP for Professional Services: run the project business across several entities, with internal cost allocation, document management, HR and resource planning included. The AI chat (ZEP Assistant) is included in all four lines at no extra cost, as are all interfaces: ZEP's own REST and SOAP APIs, single sign-on and an unlimited number of third-party integrations. Get to know ZEP in an online presentation or test it free of charge for 30 days. For teams without a project business, ZEP Clock covers working hours, overtime and absences including the payroll export, with travel expense management and HR available as optional add-ons. It is a line of its own — a switch into the project-based lines is not planned. ZEP GmbH, based in Ditzingen near Stuttgart, has been developing software for project-based companies for more than 25 years. Around 3,000 companies run their project business with ZEP. ZEP is developed and hosted in Germany and certified to ISO 27001.

Saldy is a digital accounting and invoicing platform tailored for freelancers, independent contractors, and small businesses operating in Germany. This solution simplifies the process of creating quotes and invoices, including structured e-invoices that comply with XRechnung and ZUGFeRD standards, and it features capabilities such as sequential numbering and an audit log. Users are able to track their expenses and receipts, import bank statements via CSV files, access PayPal transactions, monitor their working hours, keep cash records, and manage overdue invoices. Furthermore, Saldy calculates VAT advance returns and cash-basis income statements (EÜR), generating an ELSTER file for VAT submissions, although it does not handle tax returns or replace tax consultancy services. The platform also offers exports in DATEV format, meeting the needs of tax advisors. Users can set up recurring invoices, send payment reminders, generate detailed reports, and share access with small teams of up to three users under the chosen subscription plan. While the free version permits only five invoices per month, the premium options allow for unlimited invoicing along with a range of advanced features designed for those requiring more extensive functionalities. Overall, Saldy is an effective tool that aids in financial management and streamlines the invoicing process for its users, making it a valuable asset for managing business finances efficiently. Additionally, its user-friendly interface and comprehensive features make it an appealing choice for those looking to enhance their accounting practices.