AuthentiDate is the inventor of the qualified mass signature and one of the leading international providers of software and services for optimizing business processes based on electronic signatures and time stamps. AuthentiDate products and services comply with the strict requirements of the German Digital Signature Act and EU Signature Directive. SIGNAMUS (www.signamus.de/en) is the globally available and proven Cloudservice of the security and signature specialist AuthentiDate, which has been active worldwide for years. Many well-known, international companies are using SIGNAMUS for daily secure exchange of data and invoices, data conversion, and audit-proof archiving. Companies in more than 90 countries exchanging millions of electronic invoices each day through the SIGNAMUS Cloudservice - securely and in compliance with local and national requirements, such as Latin America. SIGNAMUS is also a very capable backbone service provider for other service providers and therefore quickly, easily, and legally complements the services of each service provider.