5FSoftware provides a cloud platform for secure data exchange and structured collaboration between professional firms, businesses, and their clients, customers, and suppliers. Designed for fields including tax advisory, auditing, legal services, and notaries, 5F brings documents, communication, and tasks together in shared digital workspaces. Its core features include checklists for collecting information and documents, secure data rooms, and task management for coordinating work.

Organizations can extend the platform with optional modules such as white-label customization, qualified electronic signatures, DATEV integrations, digital balance confirmations, and support for group audits. Additional extras help integrate 5F with existing IT environments, while security features are designed with the needs of professionals bound by confidentiality obligations in mind. The platform also offers a mobile app and single sign-on for centralized access management.

5F supports more efficient workflows and communication, and external contacts such as clients can use the platform free of charge. The company also provides webinars, training, and customer support to help organizations adopt and tailor the service to their needs